[INFO] cloning repository https://github.com/gregcline/rs-readme
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gregcline/rs-readme" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregcline%2Frs-readme", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregcline%2Frs-readme'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ce845f98be469ac15e47e1a2c30e48932b93b4fb
[INFO] checking gregcline/rs-readme against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregcline%2Frs-readme" "/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/gregcline/rs-readme on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gregcline/rs-readme
[INFO] finished tweaking git repo https://github.com/gregcline/rs-readme
[INFO] tweaked toml for git repo https://github.com/gregcline/rs-readme written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/gregcline/rs-readme already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 634387b084c2f289171ef08deda4db960a0318db0d83b9b07d6497c0d2f80645
[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" "634387b084c2f289171ef08deda4db960a0318db0d83b9b07d6497c0d2f80645", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "634387b084c2f289171ef08deda4db960a0318db0d83b9b07d6497c0d2f80645", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "634387b084c2f289171ef08deda4db960a0318db0d83b9b07d6497c0d2f80645", kill_on_drop: false }`
[INFO] [stdout] 634387b084c2f289171ef08deda4db960a0318db0d83b9b07d6497c0d2f80645
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d352a1127e767a11476e5bbe0eddd01cdf9f3236dca83b6440d3dc1f96d798d
[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" "3d352a1127e767a11476e5bbe0eddd01cdf9f3236dca83b6440d3dc1f96d798d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.67
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[INFO] [stderr]    Compiling serde_derive v1.0.114
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[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.67
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[INFO] [stderr]     Checking futures-util v0.3.5
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[INFO] [stderr]     Checking async-h1 v2.1.1
[INFO] [stderr]     Checking tide v0.13.0
[INFO] [stderr]     Checking rs_readme v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 05s
[INFO] running `Command { std: "docker" "inspect" "3d352a1127e767a11476e5bbe0eddd01cdf9f3236dca83b6440d3dc1f96d798d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d352a1127e767a11476e5bbe0eddd01cdf9f3236dca83b6440d3dc1f96d798d", kill_on_drop: false }`
[INFO] [stdout] 3d352a1127e767a11476e5bbe0eddd01cdf9f3236dca83b6440d3dc1f96d798d