[INFO] fetching crate keygen 2.1.0...
[INFO] testing keygen-2.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate keygen 2.1.0 into /workspace/builds/worker-118/source
[INFO] validating manifest of crates.io crate keygen 2.1.0 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 keygen 2.1.0
[INFO] finished tweaking crates.io crate keygen 2.1.0
[INFO] tweaked toml for crates.io crate keygen 2.1.0 written to /workspace/builds/worker-118/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "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-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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] e170817d72ea2940d3032591bce66af3f19aa948364a9ca7670440a9167e55ee
[INFO] running `Command { std: "docker" "start" "-a" "e170817d72ea2940d3032591bce66af3f19aa948364a9ca7670440a9167e55ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e170817d72ea2940d3032591bce66af3f19aa948364a9ca7670440a9167e55ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e170817d72ea2940d3032591bce66af3f19aa948364a9ca7670440a9167e55ee", kill_on_drop: false }`
[INFO] [stdout] e170817d72ea2940d3032591bce66af3f19aa948364a9ca7670440a9167e55ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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] 0c3f321f54aa18140c9cc7516e57b5f4c2918e0a06f95a8f89b004ec32927ffd
[INFO] running `Command { std: "docker" "start" "-a" "0c3f321f54aa18140c9cc7516e57b5f4c2918e0a06f95a8f89b004ec32927ffd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling serial-key v2.0.0
[INFO] [stderr]    Compiling keygen v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.62s
[INFO] running `Command { std: "docker" "inspect" "0c3f321f54aa18140c9cc7516e57b5f4c2918e0a06f95a8f89b004ec32927ffd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c3f321f54aa18140c9cc7516e57b5f4c2918e0a06f95a8f89b004ec32927ffd", kill_on_drop: false }`
[INFO] [stdout] 0c3f321f54aa18140c9cc7516e57b5f4c2918e0a06f95a8f89b004ec32927ffd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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] a1dddfedfc97c6f880362ea9076f212ba539bd2feec11780dc2318195e90c4a4
[INFO] running `Command { std: "docker" "start" "-a" "a1dddfedfc97c6f880362ea9076f212ba539bd2feec11780dc2318195e90c4a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling keygen v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "a1dddfedfc97c6f880362ea9076f212ba539bd2feec11780dc2318195e90c4a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1dddfedfc97c6f880362ea9076f212ba539bd2feec11780dc2318195e90c4a4", kill_on_drop: false }`
[INFO] [stdout] a1dddfedfc97c6f880362ea9076f212ba539bd2feec11780dc2318195e90c4a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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] 64b15d73eaa828b43361e05757a4c7b411171836897eeeba9df40faad8d66415
[INFO] running `Command { std: "docker" "start" "-a" "64b15d73eaa828b43361e05757a4c7b411171836897eeeba9df40faad8d66415", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/keygen-c95dfaf05c52745f)
[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" "64b15d73eaa828b43361e05757a4c7b411171836897eeeba9df40faad8d66415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64b15d73eaa828b43361e05757a4c7b411171836897eeeba9df40faad8d66415", kill_on_drop: false }`
[INFO] [stdout] 64b15d73eaa828b43361e05757a4c7b411171836897eeeba9df40faad8d66415