[INFO] fetching crate hello-world-polish 0.1.0...
[INFO] testing hello-world-polish-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate hello-world-polish 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate hello-world-polish 0.1.0
[INFO] finished tweaking crates.io crate hello-world-polish 0.1.0
[INFO] tweaked toml for crates.io crate hello-world-polish 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate hello-world-polish 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate hello-world-polish 0.1.0 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce7f60d2d743cecf1897fe0887672e026ecfe724d742e3d1309d550594fd6d41
[INFO] running `Command { std: "docker" "start" "-a" "ce7f60d2d743cecf1897fe0887672e026ecfe724d742e3d1309d550594fd6d41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce7f60d2d743cecf1897fe0887672e026ecfe724d742e3d1309d550594fd6d41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce7f60d2d743cecf1897fe0887672e026ecfe724d742e3d1309d550594fd6d41", kill_on_drop: false }`
[INFO] [stdout] ce7f60d2d743cecf1897fe0887672e026ecfe724d742e3d1309d550594fd6d41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b40c0b8bcd87e3d764ba8ddefed8d069c8c76c7ed0520b2a15d4e89c1095c4b
[INFO] running `Command { std: "docker" "start" "-a" "0b40c0b8bcd87e3d764ba8ddefed8d069c8c76c7ed0520b2a15d4e89c1095c4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello-world-polish v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "0b40c0b8bcd87e3d764ba8ddefed8d069c8c76c7ed0520b2a15d4e89c1095c4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b40c0b8bcd87e3d764ba8ddefed8d069c8c76c7ed0520b2a15d4e89c1095c4b", kill_on_drop: false }`
[INFO] [stdout] 0b40c0b8bcd87e3d764ba8ddefed8d069c8c76c7ed0520b2a15d4e89c1095c4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1472d8c11c373c9c1868bcf57bbeef5fd43a769cc2449a145acf295a7da87e78
[INFO] running `Command { std: "docker" "start" "-a" "1472d8c11c373c9c1868bcf57bbeef5fd43a769cc2449a145acf295a7da87e78", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello-world-polish v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "1472d8c11c373c9c1868bcf57bbeef5fd43a769cc2449a145acf295a7da87e78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1472d8c11c373c9c1868bcf57bbeef5fd43a769cc2449a145acf295a7da87e78", kill_on_drop: false }`
[INFO] [stdout] 1472d8c11c373c9c1868bcf57bbeef5fd43a769cc2449a145acf295a7da87e78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9048ae0d24cb4e49f31ba4bf1b489a43cbfa0760e713fdad4abbce29ac381d61
[INFO] running `Command { std: "docker" "start" "-a" "9048ae0d24cb4e49f31ba4bf1b489a43cbfa0760e713fdad4abbce29ac381d61", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hello_world_polish-89a4e95e80c14052)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hello_world_polish-3a789c21ea41830b)
[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 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] [stderr]    Doc-tests hello_world_polish
[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" "9048ae0d24cb4e49f31ba4bf1b489a43cbfa0760e713fdad4abbce29ac381d61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9048ae0d24cb4e49f31ba4bf1b489a43cbfa0760e713fdad4abbce29ac381d61", kill_on_drop: false }`
[INFO] [stdout] 9048ae0d24cb4e49f31ba4bf1b489a43cbfa0760e713fdad4abbce29ac381d61