[INFO] fetching crate unsized_enum 0.0.2... [INFO] testing unsized_enum-0.0.2 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2 [INFO] extracting crate unsized_enum 0.0.2 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate unsized_enum 0.0.2 [INFO] finished tweaking crates.io crate unsized_enum 0.0.2 [INFO] tweaked toml for crates.io crate unsized_enum 0.0.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate unsized_enum 0.0.2 on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a22292a54e6ef1665b28d20c721e5dd20f60211ceff00b267308d3acbc9a0aa2 [INFO] running `Command { std: "docker" "start" "-a" "a22292a54e6ef1665b28d20c721e5dd20f60211ceff00b267308d3acbc9a0aa2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a22292a54e6ef1665b28d20c721e5dd20f60211ceff00b267308d3acbc9a0aa2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a22292a54e6ef1665b28d20c721e5dd20f60211ceff00b267308d3acbc9a0aa2", kill_on_drop: false }` [INFO] [stdout] a22292a54e6ef1665b28d20c721e5dd20f60211ceff00b267308d3acbc9a0aa2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cf99a857e3b5e28a3b81bac49515d117680d7579b581ee161026d185e7a83656 [INFO] running `Command { std: "docker" "start" "-a" "cf99a857e3b5e28a3b81bac49515d117680d7579b581ee161026d185e7a83656", kill_on_drop: false }` [INFO] [stderr] Compiling unsized_enum v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:296:20 [INFO] [stdout] | [INFO] [stdout] 296 | pub fn get_mut(&mut self) -> EnumRef { [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] 296 | pub fn get_mut(&mut self) -> EnumRef<'_, V0, V1> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s [INFO] running `Command { std: "docker" "inspect" "cf99a857e3b5e28a3b81bac49515d117680d7579b581ee161026d185e7a83656", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf99a857e3b5e28a3b81bac49515d117680d7579b581ee161026d185e7a83656", kill_on_drop: false }` [INFO] [stdout] cf99a857e3b5e28a3b81bac49515d117680d7579b581ee161026d185e7a83656 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f1ce21699c3dd64472345acc765f2d74492be41bdbd69c246a63e884dc4967c2 [INFO] running `Command { std: "docker" "start" "-a" "f1ce21699c3dd64472345acc765f2d74492be41bdbd69c246a63e884dc4967c2", kill_on_drop: false }` [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:296:20 [INFO] [stdout] | [INFO] [stdout] 296 | pub fn get_mut(&mut self) -> EnumRef { [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] 296 | pub fn get_mut(&mut self) -> EnumRef<'_, V0, V1> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling unsized_enum v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:374:17 [INFO] [stdout] | [INFO] [stdout] 374 | struct Base(usize); [INFO] [stdout] | ---- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [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/lib.rs:296:20 [INFO] [stdout] | [INFO] [stdout] 296 | pub fn get_mut(&mut self) -> EnumRef { [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] 296 | pub fn get_mut(&mut self) -> EnumRef<'_, V0, V1> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s [INFO] running `Command { std: "docker" "inspect" "f1ce21699c3dd64472345acc765f2d74492be41bdbd69c246a63e884dc4967c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1ce21699c3dd64472345acc765f2d74492be41bdbd69c246a63e884dc4967c2", kill_on_drop: false }` [INFO] [stdout] f1ce21699c3dd64472345acc765f2d74492be41bdbd69c246a63e884dc4967c2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e75e7bdd106e3a820b280c4fe3f62e135c8cf9df14048b441de54368c24ee3dd [INFO] running `Command { std: "docker" "start" "-a" "e75e7bdd106e3a820b280c4fe3f62e135c8cf9df14048b441de54368c24ee3dd", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:296:20 [INFO] [stderr] | [INFO] [stderr] 296 | pub fn get_mut(&mut self) -> EnumRef { [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] 296 | pub fn get_mut(&mut self) -> EnumRef<'_, V0, V1> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `unsized_enum` (lib) generated 1 warning (run `cargo fix --lib -p unsized_enum` to apply 1 suggestion) [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/lib.rs:374:17 [INFO] [stderr] | [INFO] [stderr] 374 | struct Base(usize); [INFO] [stderr] | ---- ^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this struct [INFO] [stderr] | [INFO] [stderr] = help: consider removing this field [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `unsized_enum` (lib test) generated 2 warnings (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/unsized_enum-e8066b8fa2c8d4f8) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test tests::test ... ok [INFO] [stdout] test tests::test_sized ... ok [INFO] [stdout] test tests::test_writing_wrong_type_1 - should panic ... ok [INFO] [stdout] test tests::test_writing_wrong_type_2 - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stderr] Doc-tests unsized_enum [INFO] [stdout] [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] running `Command { std: "docker" "inspect" "e75e7bdd106e3a820b280c4fe3f62e135c8cf9df14048b441de54368c24ee3dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e75e7bdd106e3a820b280c4fe3f62e135c8cf9df14048b441de54368c24ee3dd", kill_on_drop: false }` [INFO] [stdout] e75e7bdd106e3a820b280c4fe3f62e135c8cf9df14048b441de54368c24ee3dd