[INFO] fetching crate lain_derive 0.5.5... [INFO] testing lain_derive-0.5.5 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1 [INFO] extracting crate lain_derive 0.5.5 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate lain_derive 0.5.5 [INFO] finished tweaking crates.io crate lain_derive 0.5.5 [INFO] tweaked toml for crates.io crate lain_derive 0.5.5 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate lain_derive 0.5.5 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 6 packages to latest compatible versions [INFO] [stderr] Adding proc-macro2 v0.4.30 (available: v1.0.106) [INFO] [stderr] Adding quote v0.6.13 (available: v1.0.45) [INFO] [stderr] Adding syn v0.15.44 (available: v2.0.117) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d266d78c881bf40944a23cbb70f8686af130cc602cfe0a348a53ae48a47a9bb8 [INFO] running `Command { std: "docker" "start" "-a" "d266d78c881bf40944a23cbb70f8686af130cc602cfe0a348a53ae48a47a9bb8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d266d78c881bf40944a23cbb70f8686af130cc602cfe0a348a53ae48a47a9bb8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d266d78c881bf40944a23cbb70f8686af130cc602cfe0a348a53ae48a47a9bb8", kill_on_drop: false }` [INFO] [stdout] d266d78c881bf40944a23cbb70f8686af130cc602cfe0a348a53ae48a47a9bb8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7b87c58f27397314568f86f3ace6361834debd5b8eccc43f42c9ea5e77af4bf9 [INFO] running `Command { std: "docker" "start" "-a" "7b87c58f27397314568f86f3ace6361834debd5b8eccc43f42c9ea5e77af4bf9", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling log v0.4.29 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling lain_derive v0.5.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `generics` and `original` are never read [INFO] [stdout] --> src/internals/ast.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Container<'a> { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 16 | pub generics: &'a syn::Generics, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 17 | /// Original input. [INFO] [stdout] 18 | pub original: &'a syn::DeriveInput, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/internals/attr.rs:127:22 [INFO] [stdout] | [INFO] [stdout] 127 | pub fn lain_path(&self) -> Cow { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 127 | pub fn lain_path(&self) -> Cow<'_, syn::Path> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.31s [INFO] running `Command { std: "docker" "inspect" "7b87c58f27397314568f86f3ace6361834debd5b8eccc43f42c9ea5e77af4bf9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b87c58f27397314568f86f3ace6361834debd5b8eccc43f42c9ea5e77af4bf9", kill_on_drop: false }` [INFO] [stdout] 7b87c58f27397314568f86f3ace6361834debd5b8eccc43f42c9ea5e77af4bf9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0f25231b41c3a4cf7e2750e3e5c487d39a2d1e97bd67e6a1d280d5cf9c9db852 [INFO] running `Command { std: "docker" "start" "-a" "0f25231b41c3a4cf7e2750e3e5c487d39a2d1e97bd67e6a1d280d5cf9c9db852", kill_on_drop: false }` [INFO] [stderr] Compiling lain_derive v0.5.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `generics` and `original` are never read [INFO] [stdout] --> src/internals/ast.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Container<'a> { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 16 | pub generics: &'a syn::Generics, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 17 | /// Original input. [INFO] [stdout] 18 | pub original: &'a syn::DeriveInput, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/internals/attr.rs:127:22 [INFO] [stdout] | [INFO] [stdout] 127 | pub fn lain_path(&self) -> Cow { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 127 | pub fn lain_path(&self) -> Cow<'_, syn::Path> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `generics` and `original` are never read [INFO] [stdout] --> src/internals/ast.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Container<'a> { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 16 | pub generics: &'a syn::Generics, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 17 | /// Original input. [INFO] [stdout] 18 | pub original: &'a syn::DeriveInput, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/internals/attr.rs:127:22 [INFO] [stdout] | [INFO] [stdout] 127 | pub fn lain_path(&self) -> Cow { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 127 | pub fn lain_path(&self) -> Cow<'_, syn::Path> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.39s [INFO] running `Command { std: "docker" "inspect" "0f25231b41c3a4cf7e2750e3e5c487d39a2d1e97bd67e6a1d280d5cf9c9db852", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f25231b41c3a4cf7e2750e3e5c487d39a2d1e97bd67e6a1d280d5cf9c9db852", kill_on_drop: false }` [INFO] [stdout] 0f25231b41c3a4cf7e2750e3e5c487d39a2d1e97bd67e6a1d280d5cf9c9db852 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4c3cbaa8a6b0e80512c6ad69185d0405bc34a8daeded83d53a3e17741214ac40 [INFO] running `Command { std: "docker" "start" "-a" "4c3cbaa8a6b0e80512c6ad69185d0405bc34a8daeded83d53a3e17741214ac40", kill_on_drop: false }` [INFO] [stderr] warning: fields `generics` and `original` are never read [INFO] [stderr] --> src/internals/ast.rs:16:9 [INFO] [stderr] | [INFO] [stderr] 8 | pub struct Container<'a> { [INFO] [stderr] | --------- fields in this struct [INFO] [stderr] ... [INFO] [stderr] 16 | pub generics: &'a syn::Generics, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] 17 | /// Original input. [INFO] [stderr] 18 | pub original: &'a syn::DeriveInput, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/internals/attr.rs:127:22 [INFO] [stderr] | [INFO] [stderr] 127 | pub fn lain_path(&self) -> Cow { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 127 | pub fn lain_path(&self) -> Cow<'_, syn::Path> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `lain_derive` (lib) generated 2 warnings (run `cargo fix --lib -p lain_derive` to apply 1 suggestion) [INFO] [stderr] warning: `lain_derive` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lain_derive-15004f6304828621) [INFO] [stdout] [INFO] [stderr] Doc-tests lain_derive [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test src/lib.rs - new_fuzzed (line 36) - compile fail ... ok [INFO] [stdout] test src/lib.rs - variable_size_object (line 159) - compile fail ... ok [INFO] [stdout] test src/lib.rs - binary_serialize (line 61) - compile fail ... ok [INFO] [stdout] test src/lib.rs - mutatable_helper (line 120) - compile fail ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "4c3cbaa8a6b0e80512c6ad69185d0405bc34a8daeded83d53a3e17741214ac40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c3cbaa8a6b0e80512c6ad69185d0405bc34a8daeded83d53a3e17741214ac40", kill_on_drop: false }` [INFO] [stdout] 4c3cbaa8a6b0e80512c6ad69185d0405bc34a8daeded83d53a3e17741214ac40