[INFO] fetching crate irgo 0.2.0...
[INFO] testing irgo-0.2.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate irgo 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate irgo 0.2.0
[INFO] finished tweaking crates.io crate irgo 0.2.0
[INFO] tweaked toml for crates.io crate irgo 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate irgo 0.2.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate irgo 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42df90734ee33ad7c6fd153cc0c61ce0b9dcb4e663e4050f2136c1c9326d1e16
[INFO] running `Command { std: "docker" "start" "-a" "42df90734ee33ad7c6fd153cc0c61ce0b9dcb4e663e4050f2136c1c9326d1e16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42df90734ee33ad7c6fd153cc0c61ce0b9dcb4e663e4050f2136c1c9326d1e16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42df90734ee33ad7c6fd153cc0c61ce0b9dcb4e663e4050f2136c1c9326d1e16", kill_on_drop: false }`
[INFO] [stdout] 42df90734ee33ad7c6fd153cc0c61ce0b9dcb4e663e4050f2136c1c9326d1e16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] c16e3f81f858f8073dbf6d308fc78a26b9d77b71a69753acde9aeb56a2ca752b
[INFO] running `Command { std: "docker" "start" "-a" "c16e3f81f858f8073dbf6d308fc78a26b9d77b71a69753acde9aeb56a2ca752b", kill_on_drop: false }`
[INFO] [stderr]    Compiling irgo v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "c16e3f81f858f8073dbf6d308fc78a26b9d77b71a69753acde9aeb56a2ca752b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c16e3f81f858f8073dbf6d308fc78a26b9d77b71a69753acde9aeb56a2ca752b", kill_on_drop: false }`
[INFO] [stdout] c16e3f81f858f8073dbf6d308fc78a26b9d77b71a69753acde9aeb56a2ca752b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] b41debcfb9d8f8a888ff233cb17ec90d81dc759ea45fe5e15cdbc836ff74c8b6
[INFO] running `Command { std: "docker" "start" "-a" "b41debcfb9d8f8a888ff233cb17ec90d81dc759ea45fe5e15cdbc836ff74c8b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling irgo v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:623:13
[INFO] [stdout]     |
[INFO] [stdout] 623 |         let mut dropped = Leak { sa: String::from("foo")  };
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "b41debcfb9d8f8a888ff233cb17ec90d81dc759ea45fe5e15cdbc836ff74c8b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b41debcfb9d8f8a888ff233cb17ec90d81dc759ea45fe5e15cdbc836ff74c8b6", kill_on_drop: false }`
[INFO] [stdout] b41debcfb9d8f8a888ff233cb17ec90d81dc759ea45fe5e15cdbc836ff74c8b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 84d902f702138899173af411e970c7801440bfb9d459064127e4629ba010b58c
[INFO] running `Command { std: "docker" "start" "-a" "84d902f702138899173af411e970c7801440bfb9d459064127e4629ba010b58c", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:623:13
[INFO] [stderr]     |
[INFO] [stderr] 623 |         let mut dropped = Leak { sa: String::from("foo")  };
[INFO] [stderr]     |             ----^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `irgo` (lib test) generated 1 warning (run `cargo fix --lib -p irgo --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/irgo-61e0e123944b6594)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::test_defer ... ok
[INFO] [stdout] test tests::test_defer_unwind_2 ... ok
[INFO] [stdout] test tests::test_guard_leak ... ok
[INFO] [stdout] test tests::test_into_inner ... ok
[INFO] [stdout] test tests::test_only_dropped_by_closure_when_run ... ok
[INFO] [stdout] test tests::test_defer_success_1 ... ok
[INFO] [stdout] test tests::test_dropped_once_when_not_run ... ok
[INFO] [stdout] test tests::test_defer_success_2 ... ok
[INFO] [stdout] test tests::test_defer_unwind_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "84d902f702138899173af411e970c7801440bfb9d459064127e4629ba010b58c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84d902f702138899173af411e970c7801440bfb9d459064127e4629ba010b58c", kill_on_drop: false }`
[INFO] [stdout] 84d902f702138899173af411e970c7801440bfb9d459064127e4629ba010b58c