[INFO] cloning repository https://github.com/qkzk/knight_problem
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qkzk/knight_problem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqkzk%2Fknight_problem", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqkzk%2Fknight_problem'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f64bb5ddd86f525f543e6712fdf5ea84017e4425
[INFO] checking qkzk/knight_problem against master#08cd08fbef8c6663b052d8d9e4930d5696cbb8a7 for 150662-leaf-spurious
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqkzk%2Fknight_problem" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/qkzk/knight_problem
[INFO] finished tweaking git repo https://github.com/qkzk/knight_problem
[INFO] tweaked toml for git repo https://github.com/qkzk/knight_problem written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/qkzk/knight_problem on toolchain 08cd08fbef8c6663b052d8d9e4930d5696cbb8a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+08cd08fbef8c6663b052d8d9e4930d5696cbb8a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/qkzk/knight_problem already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+08cd08fbef8c6663b052d8d9e4930d5696cbb8a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+08cd08fbef8c6663b052d8d9e4930d5696cbb8a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 232f5588d4690ee8295cfd56c64666cf9b1ef09065b2e1973be10dcdb919be18
[INFO] running `Command { std: "docker" "start" "-a" "232f5588d4690ee8295cfd56c64666cf9b1ef09065b2e1973be10dcdb919be18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "232f5588d4690ee8295cfd56c64666cf9b1ef09065b2e1973be10dcdb919be18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "232f5588d4690ee8295cfd56c64666cf9b1ef09065b2e1973be10dcdb919be18", kill_on_drop: false }`
[INFO] [stdout] 232f5588d4690ee8295cfd56c64666cf9b1ef09065b2e1973be10dcdb919be18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+08cd08fbef8c6663b052d8d9e4930d5696cbb8a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cff44cabf3c5cd4028085fe6a99cc83cf76e78ece55cbb53cfcd0f96513c26c
[INFO] running `Command { std: "docker" "start" "-a" "8cff44cabf3c5cd4028085fe6a99cc83cf76e78ece55cbb53cfcd0f96513c26c", kill_on_drop: false }`
[INFO] [stderr]     Checking svg v0.18.0
[INFO] [stderr]     Checking knight_problem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "8cff44cabf3c5cd4028085fe6a99cc83cf76e78ece55cbb53cfcd0f96513c26c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cff44cabf3c5cd4028085fe6a99cc83cf76e78ece55cbb53cfcd0f96513c26c", kill_on_drop: false }`
[INFO] [stdout] 8cff44cabf3c5cd4028085fe6a99cc83cf76e78ece55cbb53cfcd0f96513c26c