[INFO] cloning repository https://github.com/camper0008/rust-inverted-binary-tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/camper0008/rust-inverted-binary-tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamper0008%2Frust-inverted-binary-tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamper0008%2Frust-inverted-binary-tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 55789a3d004b21bea40f89911655d5da711b95c2
[INFO] checking camper0008/rust-inverted-binary-tree/55789a3d004b21bea40f89911655d5da711b95c2 against master#5ad98b4026d5172f27615b105658bc8bfd677be8 for pr-129422
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamper0008%2Frust-inverted-binary-tree" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/camper0008/rust-inverted-binary-tree on toolchain 5ad98b4026d5172f27615b105658bc8bfd677be8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/camper0008/rust-inverted-binary-tree
[INFO] finished tweaking git repo https://github.com/camper0008/rust-inverted-binary-tree
[INFO] tweaked toml for git repo https://github.com/camper0008/rust-inverted-binary-tree written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/camper0008/rust-inverted-binary-tree 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" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9accdf9ef524b8f1054d5e45b2262466b72c5dc1124f6787b1d132f8a56a23f
[INFO] running `Command { std: "docker" "start" "-a" "d9accdf9ef524b8f1054d5e45b2262466b72c5dc1124f6787b1d132f8a56a23f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9accdf9ef524b8f1054d5e45b2262466b72c5dc1124f6787b1d132f8a56a23f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9accdf9ef524b8f1054d5e45b2262466b72c5dc1124f6787b1d132f8a56a23f", kill_on_drop: false }`
[INFO] [stdout] d9accdf9ef524b8f1054d5e45b2262466b72c5dc1124f6787b1d132f8a56a23f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b1d87704c49f57bda6e1aecc9152fe056896d028b774583ef7824290e32b2fe
[INFO] running `Command { std: "docker" "start" "-a" "9b1d87704c49f57bda6e1aecc9152fe056896d028b774583ef7824290e32b2fe", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-inverted-binary-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "9b1d87704c49f57bda6e1aecc9152fe056896d028b774583ef7824290e32b2fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b1d87704c49f57bda6e1aecc9152fe056896d028b774583ef7824290e32b2fe", kill_on_drop: false }`
[INFO] [stdout] 9b1d87704c49f57bda6e1aecc9152fe056896d028b774583ef7824290e32b2fe