[INFO] fetching crate megalith 0.1.0...
[INFO] testing megalith-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate megalith 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate megalith 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 megalith 0.1.0
[INFO] finished tweaking crates.io crate megalith 0.1.0
[INFO] tweaked toml for crates.io crate megalith 0.1.0 written to /workspace/builds/worker-12/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] d71be34ab0f7986940434bfd76fdcb296eec973afb39033b947a8328b7f65cca
[INFO] running `Command { std: "docker" "start" "-a" "d71be34ab0f7986940434bfd76fdcb296eec973afb39033b947a8328b7f65cca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d71be34ab0f7986940434bfd76fdcb296eec973afb39033b947a8328b7f65cca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d71be34ab0f7986940434bfd76fdcb296eec973afb39033b947a8328b7f65cca", kill_on_drop: false }`
[INFO] [stdout] d71be34ab0f7986940434bfd76fdcb296eec973afb39033b947a8328b7f65cca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 877d3ff5d6eb1e908285f8d6f2f87468acd0840ff75c0395753f26002b8d5fb8
[INFO] running `Command { std: "docker" "start" "-a" "877d3ff5d6eb1e908285f8d6f2f87468acd0840ff75c0395753f26002b8d5fb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling megalith v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "877d3ff5d6eb1e908285f8d6f2f87468acd0840ff75c0395753f26002b8d5fb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "877d3ff5d6eb1e908285f8d6f2f87468acd0840ff75c0395753f26002b8d5fb8", kill_on_drop: false }`
[INFO] [stdout] 877d3ff5d6eb1e908285f8d6f2f87468acd0840ff75c0395753f26002b8d5fb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 59d6be459ce955a95424cf9cdfcbdda19ff44f2de7acb1385deaf6bb1b2f9a44
[INFO] running `Command { std: "docker" "start" "-a" "59d6be459ce955a95424cf9cdfcbdda19ff44f2de7acb1385deaf6bb1b2f9a44", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling megalith v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "59d6be459ce955a95424cf9cdfcbdda19ff44f2de7acb1385deaf6bb1b2f9a44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59d6be459ce955a95424cf9cdfcbdda19ff44f2de7acb1385deaf6bb1b2f9a44", kill_on_drop: false }`
[INFO] [stdout] 59d6be459ce955a95424cf9cdfcbdda19ff44f2de7acb1385deaf6bb1b2f9a44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] d3c10823d55f9334c7f24fa3518f2eb284f098259326a80f8ce318c6ab35d0e1
[INFO] running `Command { std: "docker" "start" "-a" "d3c10823d55f9334c7f24fa3518f2eb284f098259326a80f8ce318c6ab35d0e1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/megalith-2a24bbef49cebb4c)
[INFO] [stderr]    Doc-tests megalith
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[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 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" "d3c10823d55f9334c7f24fa3518f2eb284f098259326a80f8ce318c6ab35d0e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3c10823d55f9334c7f24fa3518f2eb284f098259326a80f8ce318c6ab35d0e1", kill_on_drop: false }`
[INFO] [stdout] d3c10823d55f9334c7f24fa3518f2eb284f098259326a80f8ce318c6ab35d0e1