[INFO] cloning repository https://github.com/owen-d/synchro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/owen-d/synchro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fowen-d%2Fsynchro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fowen-d%2Fsynchro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 57b5a91ac5f1dafc67bab223fa293936f832aae3
[INFO] checking owen-d/synchro against master#4c60a0ea5b2385d7400df9db1ad04e96f2a4c154 for 92191_revert
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fowen-d%2Fsynchro" "/workspace/builds/worker-54/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-54/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/owen-d/synchro on toolchain 4c60a0ea5b2385d7400df9db1ad04e96f2a4c154
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/owen-d/synchro
[INFO] finished tweaking git repo https://github.com/owen-d/synchro
[INFO] tweaked toml for git repo https://github.com/owen-d/synchro written to /workspace/builds/worker-54/source/Cargo.toml
[INFO] crate git repo https://github.com/owen-d/synchro already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strsim v0.5.2
[INFO] [stderr]   Downloaded clap v2.19.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 133b44c89d374e1be82d87ffb69b924e39d920a99ffbf0800ae68bedc50c12bd
[INFO] running `Command { std: "docker" "start" "-a" "133b44c89d374e1be82d87ffb69b924e39d920a99ffbf0800ae68bedc50c12bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "133b44c89d374e1be82d87ffb69b924e39d920a99ffbf0800ae68bedc50c12bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "133b44c89d374e1be82d87ffb69b924e39d920a99ffbf0800ae68bedc50c12bd", kill_on_drop: false }`
[INFO] [stdout] 133b44c89d374e1be82d87ffb69b924e39d920a99ffbf0800ae68bedc50c12bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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=forbid" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 592d0221aad282b5dd2d8dfa7848478b091710c8160ce9d47d4a5be243c8f2be
[INFO] running `Command { std: "docker" "start" "-a" "592d0221aad282b5dd2d8dfa7848478b091710c8160ce9d47d4a5be243c8f2be", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.20
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking strsim v0.5.2
[INFO] [stderr]     Checking unicode-segmentation v0.1.3
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking term_size v0.2.1
[INFO] [stderr]     Checking clap v2.19.3
[INFO] [stderr]     Checking synchro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "592d0221aad282b5dd2d8dfa7848478b091710c8160ce9d47d4a5be243c8f2be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "592d0221aad282b5dd2d8dfa7848478b091710c8160ce9d47d4a5be243c8f2be", kill_on_drop: false }`
[INFO] [stdout] 592d0221aad282b5dd2d8dfa7848478b091710c8160ce9d47d4a5be243c8f2be