[INFO] fetching crate rustc-simple-version 0.1.0...
[INFO] testing rustc-simple-version-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate rustc-simple-version 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rustc-simple-version 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 rustc-simple-version 0.1.0
[INFO] finished tweaking crates.io crate rustc-simple-version 0.1.0
[INFO] tweaked toml for crates.io crate rustc-simple-version 0.1.0 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 18d767435760d9f2eb14902202a7c97cb9528ea874d5884ca0b3ec9645dba7a9
[INFO] running `Command { std: "docker" "start" "-a" "18d767435760d9f2eb14902202a7c97cb9528ea874d5884ca0b3ec9645dba7a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18d767435760d9f2eb14902202a7c97cb9528ea874d5884ca0b3ec9645dba7a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18d767435760d9f2eb14902202a7c97cb9528ea874d5884ca0b3ec9645dba7a9", kill_on_drop: false }`
[INFO] [stdout] 18d767435760d9f2eb14902202a7c97cb9528ea874d5884ca0b3ec9645dba7a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] ad44b6def9049b6f74992b0a18a8ba98281210cb401bfd94605679b5a55797fd
[INFO] running `Command { std: "docker" "start" "-a" "ad44b6def9049b6f74992b0a18a8ba98281210cb401bfd94605679b5a55797fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-simple-version v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "ad44b6def9049b6f74992b0a18a8ba98281210cb401bfd94605679b5a55797fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad44b6def9049b6f74992b0a18a8ba98281210cb401bfd94605679b5a55797fd", kill_on_drop: false }`
[INFO] [stdout] ad44b6def9049b6f74992b0a18a8ba98281210cb401bfd94605679b5a55797fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 721b769acc068ae558e26bdb69c8770a1af083ef9426df714717fc408775caf3
[INFO] running `Command { std: "docker" "start" "-a" "721b769acc068ae558e26bdb69c8770a1af083ef9426df714717fc408775caf3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-simple-version v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "721b769acc068ae558e26bdb69c8770a1af083ef9426df714717fc408775caf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "721b769acc068ae558e26bdb69c8770a1af083ef9426df714717fc408775caf3", kill_on_drop: false }`
[INFO] [stdout] 721b769acc068ae558e26bdb69c8770a1af083ef9426df714717fc408775caf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] ebc2e923300c4eed5014778c0a55eaa13f5758fa503a25dcb2cf7d64926be89a
[INFO] running `Command { std: "docker" "start" "-a" "ebc2e923300c4eed5014778c0a55eaa13f5758fa503a25dcb2cf7d64926be89a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustc_simple_version-d8dd3e1146d9c070)
[INFO] [stdout] test tests::test_rustc_version ... ok
[INFO] [stderr]    Doc-tests rustc-simple-version
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] test src/lib.rs - RUSTC_VERSION (line 18) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ebc2e923300c4eed5014778c0a55eaa13f5758fa503a25dcb2cf7d64926be89a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebc2e923300c4eed5014778c0a55eaa13f5758fa503a25dcb2cf7d64926be89a", kill_on_drop: false }`
[INFO] [stdout] ebc2e923300c4eed5014778c0a55eaa13f5758fa503a25dcb2cf7d64926be89a