[INFO] fetching crate inconceivable 0.9.0...
[INFO] testing inconceivable-0.9.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate inconceivable 0.9.0 into /workspace/builds/worker-106/source
[INFO] validating manifest of crates.io crate inconceivable 0.9.0 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 inconceivable 0.9.0
[INFO] finished tweaking crates.io crate inconceivable 0.9.0
[INFO] tweaked toml for crates.io crate inconceivable 0.9.0 written to /workspace/builds/worker-106/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-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] d3aa1d98e210985c56d0e93425efd28ea0cf1184ce178d62b0ce07981c5bd214
[INFO] running `Command { std: "docker" "start" "-a" "d3aa1d98e210985c56d0e93425efd28ea0cf1184ce178d62b0ce07981c5bd214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3aa1d98e210985c56d0e93425efd28ea0cf1184ce178d62b0ce07981c5bd214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3aa1d98e210985c56d0e93425efd28ea0cf1184ce178d62b0ce07981c5bd214", kill_on_drop: false }`
[INFO] [stdout] d3aa1d98e210985c56d0e93425efd28ea0cf1184ce178d62b0ce07981c5bd214
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] 8c0c03735b1725324b410de6fd6d0efd81afb186ea9bdf7d8a89a2955b663cd2
[INFO] running `Command { std: "docker" "start" "-a" "8c0c03735b1725324b410de6fd6d0efd81afb186ea9bdf7d8a89a2955b663cd2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling inconceivable v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.26s
[INFO] running `Command { std: "docker" "inspect" "8c0c03735b1725324b410de6fd6d0efd81afb186ea9bdf7d8a89a2955b663cd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c0c03735b1725324b410de6fd6d0efd81afb186ea9bdf7d8a89a2955b663cd2", kill_on_drop: false }`
[INFO] [stdout] 8c0c03735b1725324b410de6fd6d0efd81afb186ea9bdf7d8a89a2955b663cd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] 52b7f9163ef4a2641a7375d46541a9fb6c9ccddaea17c146f6439c796842e3cf
[INFO] running `Command { std: "docker" "start" "-a" "52b7f9163ef4a2641a7375d46541a9fb6c9ccddaea17c146f6439c796842e3cf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling inconceivable v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "52b7f9163ef4a2641a7375d46541a9fb6c9ccddaea17c146f6439c796842e3cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52b7f9163ef4a2641a7375d46541a9fb6c9ccddaea17c146f6439c796842e3cf", kill_on_drop: false }`
[INFO] [stdout] 52b7f9163ef4a2641a7375d46541a9fb6c9ccddaea17c146f6439c796842e3cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] 29670a0133cd8898b6c03d7be1a684b2216cc2e804d3261acc82774daceb44e7
[INFO] running `Command { std: "docker" "start" "-a" "29670a0133cd8898b6c03d7be1a684b2216cc2e804d3261acc82774daceb44e7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/inconceivable-01cc53a1b0a9d282)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::test_expansion - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests inconceivable
[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" "29670a0133cd8898b6c03d7be1a684b2216cc2e804d3261acc82774daceb44e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29670a0133cd8898b6c03d7be1a684b2216cc2e804d3261acc82774daceb44e7", kill_on_drop: false }`
[INFO] [stdout] 29670a0133cd8898b6c03d7be1a684b2216cc2e804d3261acc82774daceb44e7