[INFO] cloning repository https://github.com/jordanbray/chess_uci
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jordanbray/chess_uci" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjordanbray%2Fchess_uci", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjordanbray%2Fchess_uci'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dc0795e124014e8e4f95407bbe5ee284b86d1e15
[INFO] checking jordanbray/chess_uci against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjordanbray%2Fchess_uci" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jordanbray/chess_uci on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jordanbray/chess_uci
[INFO] finished tweaking git repo https://github.com/jordanbray/chess_uci
[INFO] tweaked toml for git repo https://github.com/jordanbray/chess_uci written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/jordanbray/chess_uci already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitflags v1.0.3
[INFO] [stderr]   Downloaded winapi v0.3.4
[INFO] [stderr]   Downloaded static_assertions v0.3.4
[INFO] [stderr]   Downloaded lexical-core v0.4.6
[INFO] [stderr]   Downloaded memchr v2.0.1
[INFO] [stderr]   Downloaded nom v5.0.1
[INFO] [stderr]   Downloaded chess v3.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d9c6bf21ccd00593728eee1fdf0ed9c1e0cffc65f4d48089f4d6b6f1caf886c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8d9c6bf21ccd00593728eee1fdf0ed9c1e0cffc65f4d48089f4d6b6f1caf886c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d9c6bf21ccd00593728eee1fdf0ed9c1e0cffc65f4d48089f4d6b6f1caf886c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d9c6bf21ccd00593728eee1fdf0ed9c1e0cffc65f4d48089f4d6b6f1caf886c", kill_on_drop: false }`
[INFO] [stdout] 8d9c6bf21ccd00593728eee1fdf0ed9c1e0cffc65f4d48089f4d6b6f1caf886c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0348aa72bb66d288952a420cb97d32c85242012826f25de424e69ee4af6d6c8d
[INFO] running `Command { std: "docker" "start" "-a" "0348aa72bb66d288952a420cb97d32c85242012826f25de424e69ee4af6d6c8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling nom v5.0.1
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]     Checking backtrace v0.3.26
[INFO] [stderr]    Compiling chess v3.1.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking chess_uci v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 31s
[INFO] running `Command { std: "docker" "inspect" "0348aa72bb66d288952a420cb97d32c85242012826f25de424e69ee4af6d6c8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0348aa72bb66d288952a420cb97d32c85242012826f25de424e69ee4af6d6c8d", kill_on_drop: false }`
[INFO] [stdout] 0348aa72bb66d288952a420cb97d32c85242012826f25de424e69ee4af6d6c8d