[INFO] fetching crate cargo-gccrs 0.0.1...
[INFO] testing cargo-gccrs-0.0.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate cargo-gccrs 0.0.1 into /workspace/builds/worker-90/source
[INFO] validating manifest of crates.io crate cargo-gccrs 0.0.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-gccrs 0.0.1
[INFO] finished tweaking crates.io crate cargo-gccrs 0.0.1
[INFO] tweaked toml for crates.io crate cargo-gccrs 0.0.1 written to /workspace/builds/worker-90/source/Cargo.toml
[INFO] crate crates.io crate cargo-gccrs 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f6f7ef607fa457d863724a1f90b29f59adbede5d52dc9b515be8b12eec3a5f7
[INFO] running `Command { std: "docker" "start" "-a" "8f6f7ef607fa457d863724a1f90b29f59adbede5d52dc9b515be8b12eec3a5f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f6f7ef607fa457d863724a1f90b29f59adbede5d52dc9b515be8b12eec3a5f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f6f7ef607fa457d863724a1f90b29f59adbede5d52dc9b515be8b12eec3a5f7", kill_on_drop: false }`
[INFO] [stdout] 8f6f7ef607fa457d863724a1f90b29f59adbede5d52dc9b515be8b12eec3a5f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ef8418abfba6a2c03f12dbc48b457e845d1840a42586b9a4929e6cad6406709
[INFO] running `Command { std: "docker" "start" "-a" "8ef8418abfba6a2c03f12dbc48b457e845d1840a42586b9a4929e6cad6406709", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-gccrs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Args` that must be used
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     dbg!(std::env::args());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: iterators are lazy and do nothing unless consumed
[INFO] [stdout]    = note: this warning originates in the macro `dbg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.86s
[INFO] running `Command { std: "docker" "inspect" "8ef8418abfba6a2c03f12dbc48b457e845d1840a42586b9a4929e6cad6406709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ef8418abfba6a2c03f12dbc48b457e845d1840a42586b9a4929e6cad6406709", kill_on_drop: false }`
[INFO] [stdout] 8ef8418abfba6a2c03f12dbc48b457e845d1840a42586b9a4929e6cad6406709
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b09abf2be981b2c42ee14c619459118c55b0b3cb72b9088b18afe4d1c948ee10
[INFO] running `Command { std: "docker" "start" "-a" "b09abf2be981b2c42ee14c619459118c55b0b3cb72b9088b18afe4d1c948ee10", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-gccrs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Args` that must be used
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     dbg!(std::env::args());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: iterators are lazy and do nothing unless consumed
[INFO] [stdout]    = note: this warning originates in the macro `dbg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "b09abf2be981b2c42ee14c619459118c55b0b3cb72b9088b18afe4d1c948ee10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b09abf2be981b2c42ee14c619459118c55b0b3cb72b9088b18afe4d1c948ee10", kill_on_drop: false }`
[INFO] [stdout] b09abf2be981b2c42ee14c619459118c55b0b3cb72b9088b18afe4d1c948ee10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fb4ca30df0bbb26d46365699b6281b95dd59b6be4d7109ef541e8afc25d52f2b
[INFO] running `Command { std: "docker" "start" "-a" "fb4ca30df0bbb26d46365699b6281b95dd59b6be4d7109ef541e8afc25d52f2b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused `Args` that must be used
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     dbg!(std::env::args());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: iterators are lazy and do nothing unless consumed
[INFO] [stderr]    = note: this warning originates in the macro `dbg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `cargo-gccrs` (bin "cargo-gccrs" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cargo_gccrs-9b0027f8b1b88e75)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test gccrs::config::tests::option_invalid ... ok
[INFO] [stdout] test gccrs::config::tests::os_info_valid ... ok
[INFO] [stdout] test gccrs::config::tests::sorting ... ok
[INFO] [stdout] test gccrs::config::tests::target_kv_valid ... 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] running `Command { std: "docker" "inspect" "fb4ca30df0bbb26d46365699b6281b95dd59b6be4d7109ef541e8afc25d52f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb4ca30df0bbb26d46365699b6281b95dd59b6be4d7109ef541e8afc25d52f2b", kill_on_drop: false }`
[INFO] [stdout] fb4ca30df0bbb26d46365699b6281b95dd59b6be4d7109ef541e8afc25d52f2b