[INFO] cloning repository https://github.com/Mateiadrielrafael/steiner
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mateiadrielrafael/steiner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMateiadrielrafael%2Fsteiner", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMateiadrielrafael%2Fsteiner'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 69f0074c405f4a7fde26e4f82e60ae068cf5c14b
[INFO] checking Mateiadrielrafael/steiner against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMateiadrielrafael%2Fsteiner" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mateiadrielrafael/steiner on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Mateiadrielrafael/steiner
[INFO] finished tweaking git repo https://github.com/Mateiadrielrafael/steiner
[INFO] tweaked toml for git repo https://github.com/Mateiadrielrafael/steiner written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Mateiadrielrafael/steiner already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded peg v0.6.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.14
[INFO] [stderr]   Downloaded im v15.0.0
[INFO] [stderr]   Downloaded sized-chunks v0.6.2
[INFO] [stderr]   Downloaded common_macros v0.1.1
[INFO] [stderr]   Downloaded rand_xoshiro v0.4.0
[INFO] [stderr]   Downloaded bitmaps v2.1.0
[INFO] [stderr]   Downloaded nanoid v0.1.3
[INFO] [stderr]   Downloaded peg-macros v0.6.2
[INFO] [stderr]   Downloaded peg-runtime v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e43665d870b0e1c382c228f6f4b19738f55a3ca8c9122f6c28cdc21e77131ec8
[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" "e43665d870b0e1c382c228f6f4b19738f55a3ca8c9122f6c28cdc21e77131ec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e43665d870b0e1c382c228f6f4b19738f55a3ca8c9122f6c28cdc21e77131ec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e43665d870b0e1c382c228f6f4b19738f55a3ca8c9122f6c28cdc21e77131ec8", kill_on_drop: false }`
[INFO] [stdout] e43665d870b0e1c382c228f6f4b19738f55a3ca8c9122f6c28cdc21e77131ec8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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] 0a02649167f014f15e6f53dc4d90dc8179ffd1886266020bf78b1205812c9ac3
[INFO] running `Command { std: "docker" "start" "-a" "0a02649167f014f15e6f53dc4d90dc8179ffd1886266020bf78b1205812c9ac3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.14
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling peg-runtime v0.6.2
[INFO] [stderr]     Checking common_macros v0.1.1
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling im v15.0.0
[INFO] [stderr]     Checking nanoid v0.1.3
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling peg-macros v0.6.2
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking peg v0.6.2
[INFO] [stderr]     Checking sized-chunks v0.6.2
[INFO] [stderr]     Checking steiner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.42s
[INFO] running `Command { std: "docker" "inspect" "0a02649167f014f15e6f53dc4d90dc8179ffd1886266020bf78b1205812c9ac3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a02649167f014f15e6f53dc4d90dc8179ffd1886266020bf78b1205812c9ac3", kill_on_drop: false }`
[INFO] [stdout] 0a02649167f014f15e6f53dc4d90dc8179ffd1886266020bf78b1205812c9ac3