[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 master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[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 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", 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" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", 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] 8909b5e3690bc8f34006fa0dc22965bf8e737be331d1964e9561168e77b70fd6
[INFO] running `Command { std: "docker" "start" "-a" "8909b5e3690bc8f34006fa0dc22965bf8e737be331d1964e9561168e77b70fd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8909b5e3690bc8f34006fa0dc22965bf8e737be331d1964e9561168e77b70fd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8909b5e3690bc8f34006fa0dc22965bf8e737be331d1964e9561168e77b70fd6", kill_on_drop: false }`
[INFO] [stdout] 8909b5e3690bc8f34006fa0dc22965bf8e737be331d1964e9561168e77b70fd6
[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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e0498393f2b5b36a88d7b7052c1e3c36cde8afe0d272cae806a9a8f83ac7bc1
[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" "9e0498393f2b5b36a88d7b7052c1e3c36cde8afe0d272cae806a9a8f83ac7bc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.14
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling peg-runtime v0.6.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking common_macros v0.1.1
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling im v15.0.0
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling peg-macros v0.6.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking nanoid v0.1.3
[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 25.28s
[INFO] running `Command { std: "docker" "inspect" "9e0498393f2b5b36a88d7b7052c1e3c36cde8afe0d272cae806a9a8f83ac7bc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e0498393f2b5b36a88d7b7052c1e3c36cde8afe0d272cae806a9a8f83ac7bc1", kill_on_drop: false }`
[INFO] [stdout] 9e0498393f2b5b36a88d7b7052c1e3c36cde8afe0d272cae806a9a8f83ac7bc1