[INFO] fetching crate example-lib 0.1.0...
[INFO] testing example-lib-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate example-lib 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate example-lib 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate example-lib 0.1.0
[INFO] finished tweaking crates.io crate example-lib 0.1.0
[INFO] tweaked toml for crates.io crate example-lib 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4e8e10b6028d7d0fe7644567ea3d3fc924f9f9bd94cd0e15a133d427d78f6f6
[INFO] running `Command { std: "docker" "start" "-a" "d4e8e10b6028d7d0fe7644567ea3d3fc924f9f9bd94cd0e15a133d427d78f6f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4e8e10b6028d7d0fe7644567ea3d3fc924f9f9bd94cd0e15a133d427d78f6f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4e8e10b6028d7d0fe7644567ea3d3fc924f9f9bd94cd0e15a133d427d78f6f6", kill_on_drop: false }`
[INFO] [stdout] d4e8e10b6028d7d0fe7644567ea3d3fc924f9f9bd94cd0e15a133d427d78f6f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f6f054ecb7e3f412ca59b99782807a902145acc9271f469d01ccdd9ef9696f2
[INFO] running `Command { std: "docker" "start" "-a" "8f6f054ecb7e3f412ca59b99782807a902145acc9271f469d01ccdd9ef9696f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling example-lib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "8f6f054ecb7e3f412ca59b99782807a902145acc9271f469d01ccdd9ef9696f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f6f054ecb7e3f412ca59b99782807a902145acc9271f469d01ccdd9ef9696f2", kill_on_drop: false }`
[INFO] [stdout] 8f6f054ecb7e3f412ca59b99782807a902145acc9271f469d01ccdd9ef9696f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e029f46f8cab64ab2144a2a04a099871ae21ff8f3abfd3dc4df41a83c67273fc
[INFO] running `Command { std: "docker" "start" "-a" "e029f46f8cab64ab2144a2a04a099871ae21ff8f3abfd3dc4df41a83c67273fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling example-lib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "e029f46f8cab64ab2144a2a04a099871ae21ff8f3abfd3dc4df41a83c67273fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e029f46f8cab64ab2144a2a04a099871ae21ff8f3abfd3dc4df41a83c67273fc", kill_on_drop: false }`
[INFO] [stdout] e029f46f8cab64ab2144a2a04a099871ae21ff8f3abfd3dc4df41a83c67273fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 92ca3fa47e46f2f8b902d1e2721a5426e739e4e73cb1acdeac252b6eeb228c3a
[INFO] running `Command { std: "docker" "start" "-a" "92ca3fa47e46f2f8b902d1e2721a5426e739e4e73cb1acdeac252b6eeb228c3a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/example_lib-b906d8219936c5d2)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test module_a::tests::test_hello ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test module_b::module_c::tests::test_hello ... ok
[INFO] [stderr]    Doc-tests example-lib
[INFO] [stdout] test module_b::tests::test_hello ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 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] running `Command { std: "docker" "inspect" "92ca3fa47e46f2f8b902d1e2721a5426e739e4e73cb1acdeac252b6eeb228c3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92ca3fa47e46f2f8b902d1e2721a5426e739e4e73cb1acdeac252b6eeb228c3a", kill_on_drop: false }`
[INFO] [stdout] 92ca3fa47e46f2f8b902d1e2721a5426e739e4e73cb1acdeac252b6eeb228c3a