[INFO] cloning repository https://github.com/adriangb/graphlib2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adriangb/graphlib2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadriangb%2Fgraphlib2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadriangb%2Fgraphlib2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 09e683f85604caa609f3c38f15e4aded5ed55829
[INFO] checking adriangb/graphlib2 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadriangb%2Fgraphlib2" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adriangb/graphlib2 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/adriangb/graphlib2
[INFO] finished tweaking git repo https://github.com/adriangb/graphlib2
[INFO] tweaked toml for git repo https://github.com/adriangb/graphlib2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/adriangb/graphlib2 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pyo3-build-config v0.17.2
[INFO] [stderr]   Downloaded indoc v1.0.4
[INFO] [stderr]   Downloaded target-lexicon v0.12.4
[INFO] [stderr]   Downloaded pyo3-macros v0.17.2
[INFO] [stderr]   Downloaded pyo3-ffi v0.17.2
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.17.2
[INFO] [stderr]   Downloaded unindent v0.1.8
[INFO] [stderr]   Downloaded pyo3 v0.17.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d70b084ba9a4cf906ded714442f49e6e9740408650bcfffe2af318a159ff2b5
[INFO] running `Command { std: "docker" "start" "-a" "0d70b084ba9a4cf906ded714442f49e6e9740408650bcfffe2af318a159ff2b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d70b084ba9a4cf906ded714442f49e6e9740408650bcfffe2af318a159ff2b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d70b084ba9a4cf906ded714442f49e6e9740408650bcfffe2af318a159ff2b5", kill_on_drop: false }`
[INFO] [stdout] 0d70b084ba9a4cf906ded714442f49e6e9740408650bcfffe2af318a159ff2b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbe5cfc5a737583e68bf3afbe1bc3d3132d96d4002a4f6366218aa18079372f2
[INFO] running `Command { std: "docker" "start" "-a" "fbe5cfc5a737583e68bf3afbe1bc3d3132d96d4002a4f6366218aa18079372f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.4
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling unindent v0.1.8
[INFO] [stderr]    Compiling indoc v1.0.4
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling pyo3-build-config v0.17.2
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling pyo3-ffi v0.17.2
[INFO] [stderr]    Compiling pyo3 v0.17.2
[INFO] [stderr]    Compiling pyo3-macros-backend v0.17.2
[INFO] [stderr]    Compiling pyo3-macros v0.17.2
[INFO] [stderr]     Checking graphlib2 v0.4.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.19s
[INFO] running `Command { std: "docker" "inspect" "fbe5cfc5a737583e68bf3afbe1bc3d3132d96d4002a4f6366218aa18079372f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbe5cfc5a737583e68bf3afbe1bc3d3132d96d4002a4f6366218aa18079372f2", kill_on_drop: false }`
[INFO] [stdout] fbe5cfc5a737583e68bf3afbe1bc3d3132d96d4002a4f6366218aa18079372f2