[INFO] fetching crate razor 0.1.0...
[INFO] testing razor-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate razor 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate razor 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 razor 0.1.0
[INFO] finished tweaking crates.io crate razor 0.1.0
[INFO] tweaked toml for crates.io crate razor 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate razor 0.1.0 already has a lockfile, it will not be regenerated
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] c7f07620279a0606fc6c02ec0ae8e4c40506795dce42c5ffcf940f4c48042919
[INFO] running `Command { std: "docker" "start" "-a" "c7f07620279a0606fc6c02ec0ae8e4c40506795dce42c5ffcf940f4c48042919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7f07620279a0606fc6c02ec0ae8e4c40506795dce42c5ffcf940f4c48042919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7f07620279a0606fc6c02ec0ae8e4c40506795dce42c5ffcf940f4c48042919", kill_on_drop: false }`
[INFO] [stdout] c7f07620279a0606fc6c02ec0ae8e4c40506795dce42c5ffcf940f4c48042919
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 1f3d5210d9b11cc3bb47a786e500350f8dc8e8cb424893920263f3611702775a
[INFO] running `Command { std: "docker" "start" "-a" "1f3d5210d9b11cc3bb47a786e500350f8dc8e8cb424893920263f3611702775a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling cast v0.1.0
[INFO] [stderr]    Compiling bytecount v0.3.2
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling itertools v0.4.19
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling tracing-core v0.1.8
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling term v0.2.14
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling criterion-plot v0.1.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling nom_locate v0.3.1
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling num_cpus v0.2.13
[INFO] [stderr]    Compiling isatty v0.1.9
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling simplelog v0.4.4
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling criterion-stats v0.1.3
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling tracing-attributes v0.1.6
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling razor-fol v0.1.0
[INFO] [stderr]    Compiling exitfailure v0.5.1
[INFO] [stderr]    Compiling tracing v0.1.11
[INFO] [stderr]    Compiling criterion v0.1.2
[INFO] [stderr]    Compiling razor-chase v0.1.0
[INFO] [stderr]    Compiling razor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.98s
[INFO] running `Command { std: "docker" "inspect" "1f3d5210d9b11cc3bb47a786e500350f8dc8e8cb424893920263f3611702775a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f3d5210d9b11cc3bb47a786e500350f8dc8e8cb424893920263f3611702775a", kill_on_drop: false }`
[INFO] [stdout] 1f3d5210d9b11cc3bb47a786e500350f8dc8e8cb424893920263f3611702775a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] dc3d22b505efa682f70643de3f50ec45bd2745b1cc8788d164e3600395650a76
[INFO] running `Command { std: "docker" "start" "-a" "dc3d22b505efa682f70643de3f50ec45bd2745b1cc8788d164e3600395650a76", kill_on_drop: false }`
[INFO] [stderr]    Compiling razor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "dc3d22b505efa682f70643de3f50ec45bd2745b1cc8788d164e3600395650a76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc3d22b505efa682f70643de3f50ec45bd2745b1cc8788d164e3600395650a76", kill_on_drop: false }`
[INFO] [stdout] dc3d22b505efa682f70643de3f50ec45bd2745b1cc8788d164e3600395650a76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 041c85dcd6a0a096c5946e1af27623a4913745aa1270f862f8e98a8b9ef2c3e9
[INFO] running `Command { std: "docker" "start" "-a" "041c85dcd6a0a096c5946e1af27623a4913745aa1270f862f8e98a8b9ef2c3e9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/razor-d6a7b6fe58b78368)
[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" "041c85dcd6a0a096c5946e1af27623a4913745aa1270f862f8e98a8b9ef2c3e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "041c85dcd6a0a096c5946e1af27623a4913745aa1270f862f8e98a8b9ef2c3e9", kill_on_drop: false }`
[INFO] [stdout] 041c85dcd6a0a096c5946e1af27623a4913745aa1270f862f8e98a8b9ef2c3e9