[INFO] cloning repository https://github.com/tony84727/my-algorithm-lab
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tony84727/my-algorithm-lab" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftony84727%2Fmy-algorithm-lab", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftony84727%2Fmy-algorithm-lab'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2cfbc57a71fdcaff2d74d1cfb3e735f9d5b38a26
[INFO] checking tony84727/my-algorithm-lab against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftony84727%2Fmy-algorithm-lab" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tony84727/my-algorithm-lab on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tony84727/my-algorithm-lab
[INFO] finished tweaking git repo https://github.com/tony84727/my-algorithm-lab
[INFO] tweaked toml for git repo https://github.com/tony84727/my-algorithm-lab written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/tony84727/my-algorithm-lab already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3438471eb21e02134a5be5e80b93a07bd55b0ae9c8984c9b4ed6c129f9e69e78
[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" "3438471eb21e02134a5be5e80b93a07bd55b0ae9c8984c9b4ed6c129f9e69e78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3438471eb21e02134a5be5e80b93a07bd55b0ae9c8984c9b4ed6c129f9e69e78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3438471eb21e02134a5be5e80b93a07bd55b0ae9c8984c9b4ed6c129f9e69e78", kill_on_drop: false }`
[INFO] [stdout] 3438471eb21e02134a5be5e80b93a07bd55b0ae9c8984c9b4ed6c129f9e69e78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0b49e1f88176a1dada1a5f686493533fea4269f27a76f74d6b796e8eb9438be
[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" "f0b49e1f88176a1dada1a5f686493533fea4269f27a76f74d6b796e8eb9438be", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking my-algorithm-lab v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling test-case v1.2.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking ron v0.7.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.71s
[INFO] running `Command { std: "docker" "inspect" "f0b49e1f88176a1dada1a5f686493533fea4269f27a76f74d6b796e8eb9438be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0b49e1f88176a1dada1a5f686493533fea4269f27a76f74d6b796e8eb9438be", kill_on_drop: false }`
[INFO] [stdout] f0b49e1f88176a1dada1a5f686493533fea4269f27a76f74d6b796e8eb9438be