[INFO] cloning repository https://github.com/yuriykulikov/ferrous-systems-rust-training
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuriykulikov/ferrous-systems-rust-training" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuriykulikov%2Fferrous-systems-rust-training", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuriykulikov%2Fferrous-systems-rust-training'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7cf27aad04dfec4222ccafa63f8b84129a8b4a2f
[INFO] checking yuriykulikov/ferrous-systems-rust-training against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuriykulikov%2Fferrous-systems-rust-training" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yuriykulikov/ferrous-systems-rust-training on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yuriykulikov/ferrous-systems-rust-training
[INFO] finished tweaking git repo https://github.com/yuriykulikov/ferrous-systems-rust-training
[INFO] tweaked toml for git repo https://github.com/yuriykulikov/ferrous-systems-rust-training written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/yuriykulikov/ferrous-systems-rust-training already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd89d86668bac591340d3c17dda57cd3b737d1eb5773ffd0bfb372bd71d32117
[INFO] running `Command { std: "docker" "start" "-a" "dd89d86668bac591340d3c17dda57cd3b737d1eb5773ffd0bfb372bd71d32117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd89d86668bac591340d3c17dda57cd3b737d1eb5773ffd0bfb372bd71d32117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd89d86668bac591340d3c17dda57cd3b737d1eb5773ffd0bfb372bd71d32117", kill_on_drop: false }`
[INFO] [stdout] dd89d86668bac591340d3c17dda57cd3b737d1eb5773ffd0bfb372bd71d32117
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d57b1824a02688a634ada9e371e6fb6a6a3d83e8c46911634f4bab2a0df3a727
[INFO] running `Command { std: "docker" "start" "-a" "d57b1824a02688a634ada9e371e6fb6a6a3d83e8c46911634f4bab2a0df3a727", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking redisish v0.1.0 (/opt/rustwide/workdir/redisish)
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking fizzbuzz v0.1.0 (/opt/rustwide/workdir/fizzbuzz)
[INFO] [stderr]     Checking ferrous-systems-rust-training v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio v1.6.0
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking crossterm v0.18.2
[INFO] [stderr]     Checking crossterm v0.19.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]     Checking tcp-server v0.1.0 (/opt/rustwide/workdir/tcp-server)
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking tui v0.14.0
[INFO] [stderr]     Checking tcp-client v0.1.0 (/opt/rustwide/workdir/tcp-client)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.90s
[INFO] running `Command { std: "docker" "inspect" "d57b1824a02688a634ada9e371e6fb6a6a3d83e8c46911634f4bab2a0df3a727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d57b1824a02688a634ada9e371e6fb6a6a3d83e8c46911634f4bab2a0df3a727", kill_on_drop: false }`
[INFO] [stdout] d57b1824a02688a634ada9e371e6fb6a6a3d83e8c46911634f4bab2a0df3a727