[INFO] fetching crate cpc 1.8.0...
[INFO] testing cpc-1.8.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate cpc 1.8.0 into /workspace/builds/worker-38/source
[INFO] validating manifest of crates.io crate cpc 1.8.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cpc 1.8.0
[INFO] finished tweaking crates.io crate cpc 1.8.0
[INFO] tweaked toml for crates.io crate cpc 1.8.0 written to /workspace/builds/worker-38/source/Cargo.toml
[INFO] crate crates.io crate cpc 1.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 980f8b4c2bd1d961d75e0e48ce2822178e4202dc0176d1c1fc601ac58e9fbbb5
[INFO] running `Command { std: "docker" "start" "-a" "980f8b4c2bd1d961d75e0e48ce2822178e4202dc0176d1c1fc601ac58e9fbbb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "980f8b4c2bd1d961d75e0e48ce2822178e4202dc0176d1c1fc601ac58e9fbbb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "980f8b4c2bd1d961d75e0e48ce2822178e4202dc0176d1c1fc601ac58e9fbbb5", kill_on_drop: false }`
[INFO] [stdout] 980f8b4c2bd1d961d75e0e48ce2822178e4202dc0176d1c1fc601ac58e9fbbb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b04906ad1d5e008ee463ada976b4eaadcb79bafe5a53f90e0203b0c661ef1a8
[INFO] running `Command { std: "docker" "start" "-a" "6b04906ad1d5e008ee463ada976b4eaadcb79bafe5a53f90e0203b0c661ef1a8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling ord_subset v3.1.1
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling decimal v2.1.0
[INFO] [stderr]    Compiling cpc v1.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.62s
[INFO] running `Command { std: "docker" "inspect" "6b04906ad1d5e008ee463ada976b4eaadcb79bafe5a53f90e0203b0c661ef1a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b04906ad1d5e008ee463ada976b4eaadcb79bafe5a53f90e0203b0c661ef1a8", kill_on_drop: false }`
[INFO] [stdout] 6b04906ad1d5e008ee463ada976b4eaadcb79bafe5a53f90e0203b0c661ef1a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f03e0d7acf06f7abb08724ab830e137f162729abe5601e9aa5281f30a9bcc1f8
[INFO] running `Command { std: "docker" "start" "-a" "f03e0d7acf06f7abb08724ab830e137f162729abe5601e9aa5281f30a9bcc1f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling cpc v1.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.57s
[INFO] running `Command { std: "docker" "inspect" "f03e0d7acf06f7abb08724ab830e137f162729abe5601e9aa5281f30a9bcc1f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f03e0d7acf06f7abb08724ab830e137f162729abe5601e9aa5281f30a9bcc1f8", kill_on_drop: false }`
[INFO] [stdout] f03e0d7acf06f7abb08724ab830e137f162729abe5601e9aa5281f30a9bcc1f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f8b189c4f0523d4397faf57a31e7b74994818066a729c2968f09e44d18ee4bcf
[INFO] running `Command { std: "docker" "start" "-a" "f8b189c4f0523d4397faf57a31e7b74994818066a729c2968f09e44d18ee4bcf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cpc-2066f827f97bfa66)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test units::tests::test_convert ... ok
[INFO] [stdout] test lexer::tests::test_lex ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cpc-0560beb2996a148a)
[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] [stderr]    Doc-tests cpc
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - Number (line 44) ... ok
[INFO] [stdout] test src/lib.rs - eval (line 214) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.71s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f8b189c4f0523d4397faf57a31e7b74994818066a729c2968f09e44d18ee4bcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8b189c4f0523d4397faf57a31e7b74994818066a729c2968f09e44d18ee4bcf", kill_on_drop: false }`
[INFO] [stdout] f8b189c4f0523d4397faf57a31e7b74994818066a729c2968f09e44d18ee4bcf