[INFO] fetching crate oxide-macros 0.4.1...
[INFO] checking oxide-macros-0.4.1 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate oxide-macros 0.4.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate oxide-macros 0.4.1 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] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate oxide-macros 0.4.1
[INFO] finished tweaking crates.io crate oxide-macros 0.4.1
[INFO] tweaked toml for crates.io crate oxide-macros 0.4.1 written to /workspace/builds/worker-5-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]     Blocking waiting for file lock on package cache
[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] [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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ebf9d656e12356904a2078c137075831936ccf1b68c1ba9987e7b584f5ff752c
[INFO] running `Command { std: "docker" "start" "-a" "ebf9d656e12356904a2078c137075831936ccf1b68c1ba9987e7b584f5ff752c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebf9d656e12356904a2078c137075831936ccf1b68c1ba9987e7b584f5ff752c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebf9d656e12356904a2078c137075831936ccf1b68c1ba9987e7b584f5ff752c", kill_on_drop: false }`
[INFO] [stdout] ebf9d656e12356904a2078c137075831936ccf1b68c1ba9987e7b584f5ff752c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 9c0b2a98ff1632b7840255fc7f4e1010f17c6f0aabe64004e2b0574db7cdb420
[INFO] running `Command { std: "docker" "start" "-a" "9c0b2a98ff1632b7840255fc7f4e1010f17c6f0aabe64004e2b0574db7cdb420", kill_on_drop: false }`
[INFO] [stderr]     Checking ident_case v1.0.1
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]     Checking darling v0.13.4
[INFO] [stderr]     Checking oxide-macros v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `parse_usize_literal` is never used
[INFO] [stdout]   --> src/lib.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn parse_usize_literal(literal: syn::Lit) -> Result<usize,syn::Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EntrypointConfig` is never constructed
[INFO] [stdout]   --> src/entrypoint.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct EntrypointConfig {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_main` is never used
[INFO] [stdout]   --> src/entrypoint.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn generate_main(args: TokenStream, item: TokenStream) -> TokenStream {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_args` is never used
[INFO] [stdout]   --> src/entrypoint.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn parse_args(args: syn::AttributeArgs) -> Result<EntrypointConfig,syn::Error> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `avr_oxide`
[INFO] [stdout]  --> tests/persist-derive.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use avr_oxide::util::persist::Persist;
[INFO] [stdout]   |     ^^^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `avr_oxide`
[INFO] [stdout]   --> tests/interrupt-derive.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[oxide_macros::interrupt(isr="bobbins")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `oxide_macros::interrupt` (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 `avr_oxide`
[INFO] [stdout]   --> tests/persist-derive.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Persist)]
[INFO] [stdout]    |          ^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Persist` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `asm_sym` has been stable since 1.66.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> tests/interrupt-derive.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(asm_sym)]
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `asm` has been stable since 1.59.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> tests/interrupt-derive.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![feature(asm)]
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `oxide-macros` (test "interrupt-derive") due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `avr_oxide`
[INFO] [stdout]   --> tests/persist-derive.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[derive(Persist)]
[INFO] [stdout]    |          ^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Persist` (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 `avr_oxide`
[INFO] [stdout]   --> tests/persist-derive.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[derive(Persist)]
[INFO] [stdout]    |          ^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Persist` (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 `avr_oxide`
[INFO] [stdout]   --> tests/persist-derive.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 31 | #[derive(Persist,Debug,PartialEq,Eq)]
[INFO] [stdout]    |          ^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Persist` (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 `avr_oxide`
[INFO] [stdout]   --> tests/persist-derive.rs:38:10
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[derive(Persist,Debug,PartialEq,Eq)]
[INFO] [stdout]    |          ^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Persist` (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 `avr_oxide`
[INFO] [stdout]   --> tests/persist-derive.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 45 | #[derive(Persist,Debug,PartialEq,Eq)]
[INFO] [stdout]    |          ^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Persist` (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 `avr_oxide`
[INFO] [stdout]   --> tests/persist-derive.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     avr_oxide::OxideResult::Ok(idx)
[INFO] [stdout]    |     ^^^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `avr_oxide`
[INFO] [stdout]   --> tests/persist-derive.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     avr_oxide::OxideResult::Ok(buf.len())
[INFO] [stdout]    |     ^^^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `avr_oxide`
[INFO] [stdout]   --> tests/persist-derive.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     avr_oxide::OxideResult::Ok(())
[INFO] [stdout]    |     ^^^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    --> tests/persist-derive.rs:158:10
[INFO] [stdout]     |
[INFO] [stdout] 158 |   if let avr_oxide::OxideResult::Ok(loaded_simple) = SimpleEnumeration::load_from(&mut pipe) {
[INFO] [stdout]     |          ^^^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    --> tests/persist-derive.rs:175:10
[INFO] [stdout]     |
[INFO] [stdout] 175 |   if let avr_oxide::OxideResult::Ok(loaded_complex) = ComplexEnumeration::load_from(&mut pipe) {
[INFO] [stdout]     |          ^^^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    --> tests/persist-derive.rs:181:10
[INFO] [stdout]     |
[INFO] [stdout] 181 |   if let avr_oxide::OxideResult::Ok(loaded_complex) = ComplexEnumeration::load_from(&mut pipe) {
[INFO] [stdout]     |          ^^^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `avr_oxide`
[INFO] [stdout]   --> tests/persist-derive.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Persist)]
[INFO] [stdout]    |          ^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Persist` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout] 8  + use std::io;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `avr_oxide`
[INFO] [stdout]   --> tests/persist-derive.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[derive(Persist)]
[INFO] [stdout]    |          ^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Persist` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout] 8  + use std::io;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `avr_oxide`
[INFO] [stdout]   --> tests/persist-derive.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[derive(Persist)]
[INFO] [stdout]    |          ^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Persist` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout] 8  + use std::io;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `avr_oxide`
[INFO] [stdout]   --> tests/persist-derive.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 31 | #[derive(Persist,Debug,PartialEq,Eq)]
[INFO] [stdout]    |          ^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Persist` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout] 8  + use std::io;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `avr_oxide`
[INFO] [stdout]   --> tests/persist-derive.rs:38:10
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[derive(Persist,Debug,PartialEq,Eq)]
[INFO] [stdout]    |          ^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Persist` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout] 8  + use std::io;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `avr_oxide`
[INFO] [stdout]   --> tests/persist-derive.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 45 | #[derive(Persist,Debug,PartialEq,Eq)]
[INFO] [stdout]    |          ^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Persist` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout] 8  + use std::io;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `avr_oxide`
[INFO] [stdout]   --> tests/persist-derive.rs:61:6
[INFO] [stdout]    |
[INFO] [stdout] 61 | impl avr_oxide::io::Read for LoopbackReadWrite {
[INFO] [stdout]    |      ^^^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout] 8  + use std::io;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `io`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 61 - impl avr_oxide::io::Read for LoopbackReadWrite {
[INFO] [stdout] 61 + impl io::Read for LoopbackReadWrite {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `avr_oxide`
[INFO] [stdout]   --> tests/persist-derive.rs:62:41
[INFO] [stdout]    |
[INFO] [stdout] 62 |   fn read(&mut self, buf: &mut [u8]) -> avr_oxide::io::Result<usize> {
[INFO] [stdout]    |                                         ^^^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout] 8  + use std::io;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `io`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 62 -   fn read(&mut self, buf: &mut [u8]) -> avr_oxide::io::Result<usize> {
[INFO] [stdout] 62 +   fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `avr_oxide`
[INFO] [stdout]   --> tests/persist-derive.rs:75:6
[INFO] [stdout]    |
[INFO] [stdout] 75 | impl avr_oxide::io::Write for LoopbackReadWrite {
[INFO] [stdout]    |      ^^^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout] 8  + use std::io;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `io`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 75 - impl avr_oxide::io::Write for LoopbackReadWrite {
[INFO] [stdout] 75 + impl io::Write for LoopbackReadWrite {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `avr_oxide`
[INFO] [stdout]   --> tests/persist-derive.rs:76:47
[INFO] [stdout]    |
[INFO] [stdout] 76 |   fn write_buffered(&mut self, buf: &[u8]) -> avr_oxide::io::Result<usize> {
[INFO] [stdout]    |                                               ^^^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout] 8  + use std::io;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `io`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 76 -   fn write_buffered(&mut self, buf: &[u8]) -> avr_oxide::io::Result<usize> {
[INFO] [stdout] 76 +   fn write_buffered(&mut self, buf: &[u8]) -> io::Result<usize> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `avr_oxide`
[INFO] [stdout]   --> tests/persist-derive.rs:81:26
[INFO] [stdout]    |
[INFO] [stdout] 81 |   fn flush(&mut self) -> avr_oxide::io::Result<()> {
[INFO] [stdout]    |                          ^^^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout] 8  + use std::io;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `io`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 81 -   fn flush(&mut self) -> avr_oxide::io::Result<()> {
[INFO] [stdout] 81 +   fn flush(&mut self) -> io::Result<()> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 24 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 `oxide-macros` (test "persist-derive") due to 25 previous errors
[INFO] running `Command { std: "docker" "inspect" "9c0b2a98ff1632b7840255fc7f4e1010f17c6f0aabe64004e2b0574db7cdb420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c0b2a98ff1632b7840255fc7f4e1010f17c6f0aabe64004e2b0574db7cdb420", kill_on_drop: false }`
[INFO] [stdout] 9c0b2a98ff1632b7840255fc7f4e1010f17c6f0aabe64004e2b0574db7cdb420
[INFO] checking oxide-macros-0.4.1 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate oxide-macros 0.4.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate oxide-macros 0.4.1 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] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate oxide-macros 0.4.1
[INFO] finished tweaking crates.io crate oxide-macros 0.4.1
[INFO] tweaked toml for crates.io crate oxide-macros 0.4.1 written to /workspace/builds/worker-5-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 658c3c38bddeeb7d1ce1a758ee39db95b66de8dd00aa8c93d2eacbaa4a63bc34
[INFO] running `Command { std: "docker" "start" "-a" "658c3c38bddeeb7d1ce1a758ee39db95b66de8dd00aa8c93d2eacbaa4a63bc34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "658c3c38bddeeb7d1ce1a758ee39db95b66de8dd00aa8c93d2eacbaa4a63bc34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "658c3c38bddeeb7d1ce1a758ee39db95b66de8dd00aa8c93d2eacbaa4a63bc34", kill_on_drop: false }`
[INFO] [stdout] 658c3c38bddeeb7d1ce1a758ee39db95b66de8dd00aa8c93d2eacbaa4a63bc34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f80bed459c60bcc2f9300f1c900a00837cdfbc29cab37ef6f00b76f74a8c3245
[INFO] running `Command { std: "docker" "start" "-a" "f80bed459c60bcc2f9300f1c900a00837cdfbc29cab37ef6f00b76f74a8c3245", kill_on_drop: false }`
[INFO] [stderr]     Checking ident_case v1.0.1
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]     Checking darling v0.13.4
[INFO] [stderr]     Checking oxide-macros v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `parse_usize_literal` is never used
[INFO] [stdout]   --> src/lib.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn parse_usize_literal(literal: syn::Lit) -> Result<usize,syn::Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EntrypointConfig` is never constructed
[INFO] [stdout]   --> src/entrypoint.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct EntrypointConfig {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_main` is never used
[INFO] [stdout]   --> src/entrypoint.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn generate_main(args: TokenStream, item: TokenStream) -> TokenStream {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_args` is never used
[INFO] [stdout]   --> src/entrypoint.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn parse_args(args: syn::AttributeArgs) -> Result<EntrypointConfig,syn::Error> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `avr_oxide`
[INFO] [stdout]  --> tests/persist-derive.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use avr_oxide::util::persist::Persist;
[INFO] [stdout]   |     ^^^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `avr_oxide`
[INFO] [stdout]   --> tests/interrupt-derive.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[oxide_macros::interrupt(isr="bobbins")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `oxide_macros::interrupt` (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 `avr_oxide`
[INFO] [stdout]   --> tests/persist-derive.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Persist)]
[INFO] [stdout]    |          ^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Persist` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `asm_sym` has been stable since 1.66.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> tests/interrupt-derive.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(asm_sym)]
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `asm` has been stable since 1.59.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> tests/interrupt-derive.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![feature(asm)]
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `oxide-macros` (test "interrupt-derive") due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `avr_oxide`
[INFO] [stdout]   --> tests/persist-derive.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[derive(Persist)]
[INFO] [stdout]    |          ^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Persist` (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 `avr_oxide`
[INFO] [stdout]   --> tests/persist-derive.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[derive(Persist)]
[INFO] [stdout]    |          ^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Persist` (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 `avr_oxide`
[INFO] [stdout]   --> tests/persist-derive.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 31 | #[derive(Persist,Debug,PartialEq,Eq)]
[INFO] [stdout]    |          ^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Persist` (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 `avr_oxide`
[INFO] [stdout]   --> tests/persist-derive.rs:38:10
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[derive(Persist,Debug,PartialEq,Eq)]
[INFO] [stdout]    |          ^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Persist` (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 `avr_oxide`
[INFO] [stdout]   --> tests/persist-derive.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 45 | #[derive(Persist,Debug,PartialEq,Eq)]
[INFO] [stdout]    |          ^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Persist` (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 `avr_oxide`
[INFO] [stdout]   --> tests/persist-derive.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     avr_oxide::OxideResult::Ok(idx)
[INFO] [stdout]    |     ^^^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `avr_oxide`
[INFO] [stdout]   --> tests/persist-derive.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     avr_oxide::OxideResult::Ok(buf.len())
[INFO] [stdout]    |     ^^^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `avr_oxide`
[INFO] [stdout]   --> tests/persist-derive.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     avr_oxide::OxideResult::Ok(())
[INFO] [stdout]    |     ^^^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    --> tests/persist-derive.rs:158:10
[INFO] [stdout]     |
[INFO] [stdout] 158 |   if let avr_oxide::OxideResult::Ok(loaded_simple) = SimpleEnumeration::load_from(&mut pipe) {
[INFO] [stdout]     |          ^^^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    --> tests/persist-derive.rs:175:10
[INFO] [stdout]     |
[INFO] [stdout] 175 |   if let avr_oxide::OxideResult::Ok(loaded_complex) = ComplexEnumeration::load_from(&mut pipe) {
[INFO] [stdout]     |          ^^^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    --> tests/persist-derive.rs:181:10
[INFO] [stdout]     |
[INFO] [stdout] 181 |   if let avr_oxide::OxideResult::Ok(loaded_complex) = ComplexEnumeration::load_from(&mut pipe) {
[INFO] [stdout]     |          ^^^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `avr_oxide`
[INFO] [stdout]   --> tests/persist-derive.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Persist)]
[INFO] [stdout]    |          ^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Persist` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout] 8  + use std::io;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `avr_oxide`
[INFO] [stdout]   --> tests/persist-derive.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[derive(Persist)]
[INFO] [stdout]    |          ^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Persist` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout] 8  + use std::io;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `avr_oxide`
[INFO] [stdout]   --> tests/persist-derive.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[derive(Persist)]
[INFO] [stdout]    |          ^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Persist` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout] 8  + use std::io;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `avr_oxide`
[INFO] [stdout]   --> tests/persist-derive.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 31 | #[derive(Persist,Debug,PartialEq,Eq)]
[INFO] [stdout]    |          ^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Persist` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout] 8  + use std::io;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `avr_oxide`
[INFO] [stdout]   --> tests/persist-derive.rs:38:10
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[derive(Persist,Debug,PartialEq,Eq)]
[INFO] [stdout]    |          ^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Persist` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout] 8  + use std::io;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `avr_oxide`
[INFO] [stdout]   --> tests/persist-derive.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 45 | #[derive(Persist,Debug,PartialEq,Eq)]
[INFO] [stdout]    |          ^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Persist` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout] 8  + use std::io;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `avr_oxide`
[INFO] [stdout]   --> tests/persist-derive.rs:61:6
[INFO] [stdout]    |
[INFO] [stdout] 61 | impl avr_oxide::io::Read for LoopbackReadWrite {
[INFO] [stdout]    |      ^^^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout] 8  + use std::io;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `io`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 61 - impl avr_oxide::io::Read for LoopbackReadWrite {
[INFO] [stdout] 61 + impl io::Read for LoopbackReadWrite {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `avr_oxide`
[INFO] [stdout]   --> tests/persist-derive.rs:62:41
[INFO] [stdout]    |
[INFO] [stdout] 62 |   fn read(&mut self, buf: &mut [u8]) -> avr_oxide::io::Result<usize> {
[INFO] [stdout]    |                                         ^^^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout] 8  + use std::io;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `io`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 62 -   fn read(&mut self, buf: &mut [u8]) -> avr_oxide::io::Result<usize> {
[INFO] [stdout] 62 +   fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `avr_oxide`
[INFO] [stdout]   --> tests/persist-derive.rs:75:6
[INFO] [stdout]    |
[INFO] [stdout] 75 | impl avr_oxide::io::Write for LoopbackReadWrite {
[INFO] [stdout]    |      ^^^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout] 8  + use std::io;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `io`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 75 - impl avr_oxide::io::Write for LoopbackReadWrite {
[INFO] [stdout] 75 + impl io::Write for LoopbackReadWrite {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `avr_oxide`
[INFO] [stdout]   --> tests/persist-derive.rs:76:47
[INFO] [stdout]    |
[INFO] [stdout] 76 |   fn write_buffered(&mut self, buf: &[u8]) -> avr_oxide::io::Result<usize> {
[INFO] [stdout]    |                                               ^^^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout] 8  + use std::io;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `io`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 76 -   fn write_buffered(&mut self, buf: &[u8]) -> avr_oxide::io::Result<usize> {
[INFO] [stdout] 76 +   fn write_buffered(&mut self, buf: &[u8]) -> io::Result<usize> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `avr_oxide`
[INFO] [stdout]   --> tests/persist-derive.rs:81:26
[INFO] [stdout]    |
[INFO] [stdout] 81 |   fn flush(&mut self) -> avr_oxide::io::Result<()> {
[INFO] [stdout]    |                          ^^^^^^^^^ use of undeclared crate or module `avr_oxide`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout] 8  + use std::io;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `io`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 81 -   fn flush(&mut self) -> avr_oxide::io::Result<()> {
[INFO] [stdout] 81 +   fn flush(&mut self) -> io::Result<()> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 24 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 `oxide-macros` (test "persist-derive") due to 25 previous errors
[INFO] running `Command { std: "docker" "inspect" "f80bed459c60bcc2f9300f1c900a00837cdfbc29cab37ef6f00b76f74a8c3245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f80bed459c60bcc2f9300f1c900a00837cdfbc29cab37ef6f00b76f74a8c3245", kill_on_drop: false }`
[INFO] [stdout] f80bed459c60bcc2f9300f1c900a00837cdfbc29cab37ef6f00b76f74a8c3245
