[INFO] cloning repository https://github.com/rust-lang-nursery/rustc-perf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-lang-nursery/rustc-perf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-nursery%2Frustc-perf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-nursery%2Frustc-perf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 44e8c23a1ae07febcb19e2a7323a02a5b5ec526d
[INFO] checking rust-lang-nursery/rustc-perf against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-nursery%2Frustc-perf" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
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[INFO] validating manifest of git repo https://github.com/rust-lang-nursery/rustc-perf on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rust-lang-nursery/rustc-perf
[INFO] finished tweaking git repo https://github.com/rust-lang-nursery/rustc-perf
[INFO] tweaked toml for git repo https://github.com/rust-lang-nursery/rustc-perf written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-lang-nursery/rustc-perf already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53b60b1051bf801065558234cd4ef97411e103bd48a633a6db7ae20d1cbf259e
[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" "53b60b1051bf801065558234cd4ef97411e103bd48a633a6db7ae20d1cbf259e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53b60b1051bf801065558234cd4ef97411e103bd48a633a6db7ae20d1cbf259e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53b60b1051bf801065558234cd4ef97411e103bd48a633a6db7ae20d1cbf259e", kill_on_drop: false }`
[INFO] [stdout] 53b60b1051bf801065558234cd4ef97411e103bd48a633a6db7ae20d1cbf259e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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] 90abfaa8f7c2cd49d323e8a2aaf257a6bb73c67725499593ccdc2cac6a6f2a00
[INFO] running `Command { std: "docker" "start" "-a" "90abfaa8f7c2cd49d323e8a2aaf257a6bb73c67725499593ccdc2cac6a6f2a00", kill_on_drop: false }`
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[INFO] [stderr]    Compiling serde_derive v1.0.126
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[INFO] [stderr]     Checking site v0.1.0 (/opt/rustwide/workdir/site)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 37s
[INFO] running `Command { std: "docker" "inspect" "90abfaa8f7c2cd49d323e8a2aaf257a6bb73c67725499593ccdc2cac6a6f2a00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90abfaa8f7c2cd49d323e8a2aaf257a6bb73c67725499593ccdc2cac6a6f2a00", kill_on_drop: false }`
[INFO] [stdout] 90abfaa8f7c2cd49d323e8a2aaf257a6bb73c67725499593ccdc2cac6a6f2a00