[INFO] cloning repository https://github.com/cs-clarence/rust-data-structures-and-algorithms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cs-clarence/rust-data-structures-and-algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcs-clarence%2Frust-data-structures-and-algorithms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcs-clarence%2Frust-data-structures-and-algorithms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca1ce81b74d535b50beaaf7d45b81294954cf3c7
[INFO] checking cs-clarence/rust-data-structures-and-algorithms against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcs-clarence%2Frust-data-structures-and-algorithms" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cs-clarence/rust-data-structures-and-algorithms on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cs-clarence/rust-data-structures-and-algorithms
[INFO] finished tweaking git repo https://github.com/cs-clarence/rust-data-structures-and-algorithms
[INFO] tweaked toml for git repo https://github.com/cs-clarence/rust-data-structures-and-algorithms written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/cs-clarence/rust-data-structures-and-algorithms already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3207c95a2a832c3411b2971ebf8757be885e0f9d6607c5361c19a32ecbdb030
[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" "b3207c95a2a832c3411b2971ebf8757be885e0f9d6607c5361c19a32ecbdb030", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3207c95a2a832c3411b2971ebf8757be885e0f9d6607c5361c19a32ecbdb030", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3207c95a2a832c3411b2971ebf8757be885e0f9d6607c5361c19a32ecbdb030", kill_on_drop: false }`
[INFO] [stdout] b3207c95a2a832c3411b2971ebf8757be885e0f9d6607c5361c19a32ecbdb030
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "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] 81f6d305b38372756ae9eda7d6eeb4e9abd78e3bc1d2e8a424a016e8b29349f0
[INFO] running `Command { std: "docker" "start" "-a" "81f6d305b38372756ae9eda7d6eeb4e9abd78e3bc1d2e8a424a016e8b29349f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking dsa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.83s
[INFO] running `Command { std: "docker" "inspect" "81f6d305b38372756ae9eda7d6eeb4e9abd78e3bc1d2e8a424a016e8b29349f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81f6d305b38372756ae9eda7d6eeb4e9abd78e3bc1d2e8a424a016e8b29349f0", kill_on_drop: false }`
[INFO] [stdout] 81f6d305b38372756ae9eda7d6eeb4e9abd78e3bc1d2e8a424a016e8b29349f0