[INFO] fetching crate io_self_derive 0.2.0...
[INFO] checking io_self_derive-0.2.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate io_self_derive 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate io_self_derive 0.2.0 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate io_self_derive 0.2.0
[INFO] finished tweaking crates.io crate io_self_derive 0.2.0
[INFO] tweaked toml for crates.io crate io_self_derive 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab0a0043d8f60d866737042ffc0f8a74ecfecafedec5e8306d86f3e93fe48036
[INFO] running `Command { std: "docker" "start" "-a" "ab0a0043d8f60d866737042ffc0f8a74ecfecafedec5e8306d86f3e93fe48036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab0a0043d8f60d866737042ffc0f8a74ecfecafedec5e8306d86f3e93fe48036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab0a0043d8f60d866737042ffc0f8a74ecfecafedec5e8306d86f3e93fe48036", kill_on_drop: false }`
[INFO] [stdout] ab0a0043d8f60d866737042ffc0f8a74ecfecafedec5e8306d86f3e93fe48036
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 043ea92df2854e316decc045ef4c38b42ff566f86c146fcf7f714e9e313f8983
[INFO] running `Command { std: "docker" "start" "-a" "043ea92df2854e316decc045ef4c38b42ff566f86c146fcf7f714e9e313f8983", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking winnow v0.6.5
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]    Compiling trybuild v1.0.91
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.57
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking toml_edit v0.22.9
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking darling_core v0.14.4
[INFO] [stderr]     Checking toml v0.8.12
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]     Checking darling v0.14.4
[INFO] [stderr]     Checking io_self_derive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `proc_macro2` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | use proc_macro2::{self, Ident, TokenStream};
[INFO] [stdout]   |                   ^^^^ the item `proc_macro2` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `proc_macro2` is imported redundantly
[INFO] [stdout]  --> src/attr.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use proc_macro2::{self, TokenStream};
[INFO] [stdout]   |                   ^^^^ the item `proc_macro2` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `proc_macro2` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | use proc_macro2::{self, Ident, TokenStream};
[INFO] [stdout]   |                   ^^^^ the item `proc_macro2` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `proc_macro2` is imported redundantly
[INFO] [stdout]  --> src/attr.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use proc_macro2::{self, TokenStream};
[INFO] [stdout]   |                   ^^^^ the item `proc_macro2` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `proc_macro2` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | use proc_macro2::{self, Ident, TokenStream};
[INFO] [stdout]   |                   ^^^^ the item `proc_macro2` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `proc_macro2` is imported redundantly
[INFO] [stdout]  --> src/attr.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use proc_macro2::{self, TokenStream};
[INFO] [stdout]   |                   ^^^^ the item `proc_macro2` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/05-array-endian.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |          ^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/03-array.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |          ^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io_self`
[INFO] [stdout]  --> tests/05-array-endian.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |          ^^^^^^^^ use of undeclared crate or module `io_self`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/06-tagged-enum.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |          ^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/05-array-endian.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |                    ^^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/03-array.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |                    ^^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io_self`
[INFO] [stdout]  --> tests/06-tagged-enum.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |          ^^^^^^^^ use of undeclared crate or module `io_self`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io_self`
[INFO] [stdout]  --> tests/05-array-endian.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |                    ^^^^^^^^^ use of undeclared crate or module `io_self`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/03-array.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |          ^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/01-derive-empty.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |          ^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `io_self_derive` (test "05-array-endian") due to 5 previous errors
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/03-array.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |                    ^^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/07-length-prefix.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |          ^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/01-derive-empty.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |                    ^^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io_self`
[INFO] [stdout]  --> tests/03-array.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |          ^^^^^^^^ use of undeclared crate or module `io_self`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io_self`
[INFO] [stdout]  --> tests/03-array.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |                    ^^^^^^^^^ use of undeclared crate or module `io_self`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io_self`
[INFO] [stdout]  --> tests/03-array.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |          ^^^^^^^^ use of undeclared crate or module `io_self`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io_self`
[INFO] [stdout]  --> tests/03-array.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |                    ^^^^^^^^^ use of undeclared crate or module `io_self`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/02-simple.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |          ^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/01-derive-empty.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |          ^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/08-prefixed-vec.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |          ^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `io_self_derive` (test "03-array") due to 9 previous errors
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/01-derive-empty.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |                    ^^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io_self`
[INFO] [stdout]  --> tests/07-length-prefix.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |          ^^^^^^^^ use of undeclared crate or module `io_self`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/02-simple.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |                    ^^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io_self`
[INFO] [stdout]  --> tests/08-prefixed-vec.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |          ^^^^^^^^ use of undeclared crate or module `io_self`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/06-tagged-enum.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |                    ^^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `io_self_derive` (test "01-derive-empty") due to 5 previous errors
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]   --> tests/02-simple.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]    |          ^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io_self`
[INFO] [stdout]  --> tests/06-tagged-enum.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |                    ^^^^^^^^^ use of undeclared crate or module `io_self`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/08-prefixed-vec.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | /     #[io_self(length_prefix = "u16")]
[INFO] [stdout] 9 | |     b: Vec<u8>,
[INFO] [stdout]   | |______________^ could not find `io_self` in the list of imported crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]   --> tests/02-simple.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]    |                    ^^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/08-prefixed-vec.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |                    ^^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io_self`
[INFO] [stdout]  --> tests/08-prefixed-vec.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |                    ^^^^^^^^^ use of undeclared crate or module `io_self`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/07-length-prefix.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |                    ^^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/04-simple-endian.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |          ^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io_self`
[INFO] [stdout]  --> tests/02-simple.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |          ^^^^^^^^ use of undeclared crate or module `io_self`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io_self`
[INFO] [stdout]  --> tests/02-simple.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |                    ^^^^^^^^^ use of undeclared crate or module `io_self`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io_self`
[INFO] [stdout]   --> tests/02-simple.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]    |          ^^^^^^^^ use of undeclared crate or module `io_self`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io_self`
[INFO] [stdout]   --> tests/02-simple.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]    |                    ^^^^^^^^^ use of undeclared crate or module `io_self`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io_self`
[INFO] [stdout]  --> tests/04-simple-endian.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |          ^^^^^^^^ use of undeclared crate or module `io_self`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io_self`
[INFO] [stdout]  --> tests/07-length-prefix.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |                    ^^^^^^^^^ use of undeclared crate or module `io_self`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `io_self_derive` (test "02-simple") due to 9 previous errors
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `io_self_derive` (test "08-prefixed-vec") due to 6 previous errors
[INFO] [stderr] error: could not compile `io_self_derive` (test "06-tagged-enum") due to 5 previous errors
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `io_self_derive` (test "07-length-prefix") due to 5 previous errors
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/04-simple-endian.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |                    ^^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io_self`
[INFO] [stdout]  --> tests/04-simple-endian.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |                    ^^^^^^^^^ use of undeclared crate or module `io_self`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]   --> tests/04-simple-endian.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]    |          ^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io_self`
[INFO] [stdout]   --> tests/04-simple-endian.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]    |          ^^^^^^^^ use of undeclared crate or module `io_self`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]   --> tests/04-simple-endian.rs:19:20
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]    |                    ^^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io_self`
[INFO] [stdout]   --> tests/04-simple-endian.rs:19:20
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]    |                    ^^^^^^^^^ use of undeclared crate or module `io_self`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `io_self_derive` (test "04-simple-endian") due to 9 previous errors
[INFO] running `Command { std: "docker" "inspect" "043ea92df2854e316decc045ef4c38b42ff566f86c146fcf7f714e9e313f8983", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "043ea92df2854e316decc045ef4c38b42ff566f86c146fcf7f714e9e313f8983", kill_on_drop: false }`
[INFO] [stdout] 043ea92df2854e316decc045ef4c38b42ff566f86c146fcf7f714e9e313f8983
[INFO] checking io_self_derive-0.2.0 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate io_self_derive 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate io_self_derive 0.2.0 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate io_self_derive 0.2.0
[INFO] finished tweaking crates.io crate io_self_derive 0.2.0
[INFO] tweaked toml for crates.io crate io_self_derive 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63c52d29c8b803a5d0076a283457e49c456848021aad9e7c89358a25592b8d62
[INFO] running `Command { std: "docker" "start" "-a" "63c52d29c8b803a5d0076a283457e49c456848021aad9e7c89358a25592b8d62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63c52d29c8b803a5d0076a283457e49c456848021aad9e7c89358a25592b8d62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63c52d29c8b803a5d0076a283457e49c456848021aad9e7c89358a25592b8d62", kill_on_drop: false }`
[INFO] [stdout] 63c52d29c8b803a5d0076a283457e49c456848021aad9e7c89358a25592b8d62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5e5af89cc3520f9cfe0a14b07c461c5fccc41ef1691ed6945dc58117d3c301e
[INFO] running `Command { std: "docker" "start" "-a" "f5e5af89cc3520f9cfe0a14b07c461c5fccc41ef1691ed6945dc58117d3c301e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking winnow v0.6.5
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]    Compiling trybuild v1.0.91
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.57
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking toml_edit v0.22.9
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking darling_core v0.14.4
[INFO] [stderr]     Checking toml v0.8.12
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]     Checking darling v0.14.4
[INFO] [stderr]     Checking io_self_derive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `proc_macro2` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | use proc_macro2::{self, Ident, TokenStream};
[INFO] [stdout]   |                   ^^^^ the item `proc_macro2` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `proc_macro2` is imported redundantly
[INFO] [stdout]  --> src/attr.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use proc_macro2::{self, TokenStream};
[INFO] [stdout]   |                   ^^^^ the item `proc_macro2` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `proc_macro2` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | use proc_macro2::{self, Ident, TokenStream};
[INFO] [stdout]   |                   ^^^^ the item `proc_macro2` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `proc_macro2` is imported redundantly
[INFO] [stdout]  --> src/attr.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use proc_macro2::{self, TokenStream};
[INFO] [stdout]   |                   ^^^^ the item `proc_macro2` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `proc_macro2` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | use proc_macro2::{self, Ident, TokenStream};
[INFO] [stdout]   |                   ^^^^ the item `proc_macro2` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `proc_macro2` is imported redundantly
[INFO] [stdout]  --> src/attr.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use proc_macro2::{self, TokenStream};
[INFO] [stdout]   |                   ^^^^ the item `proc_macro2` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/02-simple.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |          ^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/08-prefixed-vec.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |          ^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/03-array.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |          ^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io_self`
[INFO] [stdout]  --> tests/08-prefixed-vec.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |          ^^^^^^^^ use of undeclared crate or module `io_self`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/02-simple.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |                    ^^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/06-tagged-enum.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |          ^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/08-prefixed-vec.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | /     #[io_self(length_prefix = "u16")]
[INFO] [stdout] 9 | |     b: Vec<u8>,
[INFO] [stdout]   | |______________^ could not find `io_self` in the list of imported crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/01-derive-empty.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |          ^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/07-length-prefix.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |          ^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/03-array.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |                    ^^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io_self`
[INFO] [stdout]  --> tests/06-tagged-enum.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |          ^^^^^^^^ use of undeclared crate or module `io_self`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/04-simple-endian.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |          ^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io_self`
[INFO] [stdout]  --> tests/07-length-prefix.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |          ^^^^^^^^ use of undeclared crate or module `io_self`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io_self`
[INFO] [stdout]  --> tests/04-simple-endian.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |          ^^^^^^^^ use of undeclared crate or module `io_self`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/03-array.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |          ^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/05-array-endian.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |          ^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/08-prefixed-vec.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |                    ^^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]   --> tests/02-simple.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]    |          ^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io_self`
[INFO] [stdout]  --> tests/08-prefixed-vec.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |                    ^^^^^^^^^ use of undeclared crate or module `io_self`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/01-derive-empty.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |                    ^^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io_self`
[INFO] [stdout]  --> tests/05-array-endian.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |          ^^^^^^^^ use of undeclared crate or module `io_self`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/03-array.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |                    ^^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/01-derive-empty.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |          ^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/05-array-endian.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |                    ^^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]   --> tests/02-simple.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]    |                    ^^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io_self`
[INFO] [stdout]  --> tests/05-array-endian.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |                    ^^^^^^^^^ use of undeclared crate or module `io_self`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io_self`
[INFO] [stdout]  --> tests/03-array.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |          ^^^^^^^^ use of undeclared crate or module `io_self`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/01-derive-empty.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |                    ^^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io_self`
[INFO] [stdout]  --> tests/03-array.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |                    ^^^^^^^^^ use of undeclared crate or module `io_self`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io_self`
[INFO] [stdout]  --> tests/03-array.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |          ^^^^^^^^ use of undeclared crate or module `io_self`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io_self`
[INFO] [stdout]  --> tests/03-array.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |                    ^^^^^^^^^ use of undeclared crate or module `io_self`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/06-tagged-enum.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |                    ^^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `io_self_derive` (test "03-array") due to 9 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `io_self_derive` (test "05-array-endian") due to 5 previous errors
[INFO] [stderr] error: could not compile `io_self_derive` (test "08-prefixed-vec") due to 6 previous errors
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io_self`
[INFO] [stdout]  --> tests/06-tagged-enum.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |                    ^^^^^^^^^ use of undeclared crate or module `io_self`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/07-length-prefix.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |                    ^^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `io_self_derive` (test "01-derive-empty") due to 5 previous errors
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io_self`
[INFO] [stdout]  --> tests/02-simple.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |          ^^^^^^^^ use of undeclared crate or module `io_self`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io_self`
[INFO] [stdout]  --> tests/02-simple.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |                    ^^^^^^^^^ use of undeclared crate or module `io_self`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io_self`
[INFO] [stdout]   --> tests/02-simple.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]    |          ^^^^^^^^ use of undeclared crate or module `io_self`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io_self`
[INFO] [stdout]   --> tests/02-simple.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]    |                    ^^^^^^^^^ use of undeclared crate or module `io_self`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io_self`
[INFO] [stdout]  --> tests/07-length-prefix.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |                    ^^^^^^^^^ use of undeclared crate or module `io_self`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `io_self_derive` (test "02-simple") due to 9 previous errors
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]  --> tests/04-simple-endian.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |                    ^^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io_self`
[INFO] [stdout]  --> tests/04-simple-endian.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]   |                    ^^^^^^^^^ use of undeclared crate or module `io_self`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `io_self_derive` (test "06-tagged-enum") due to 5 previous errors
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]   --> tests/04-simple-endian.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]    |          ^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `io_self_derive` (test "07-length-prefix") due to 5 previous errors
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io_self`
[INFO] [stdout]   --> tests/04-simple-endian.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]    |          ^^^^^^^^ use of undeclared crate or module `io_self`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `ReadSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `io_self` in the list of imported crates
[INFO] [stdout]   --> tests/04-simple-endian.rs:19:20
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]    |                    ^^^^^^^^^ could not find `io_self` in the list of imported crates
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io_self`
[INFO] [stdout]   --> tests/04-simple-endian.rs:19:20
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[derive(ReadSelf, WriteSelf)]
[INFO] [stdout]    |                    ^^^^^^^^^ use of undeclared crate or module `io_self`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `WriteSelf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `io_self_derive` (test "04-simple-endian") due to 9 previous errors
[INFO] running `Command { std: "docker" "inspect" "f5e5af89cc3520f9cfe0a14b07c461c5fccc41ef1691ed6945dc58117d3c301e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5e5af89cc3520f9cfe0a14b07c461c5fccc41ef1691ed6945dc58117d3c301e", kill_on_drop: false }`
[INFO] [stdout] f5e5af89cc3520f9cfe0a14b07c461c5fccc41ef1691ed6945dc58117d3c301e
