[INFO] cloning repository https://github.com/miragecentury/rust_experimentation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/miragecentury/rust_experimentation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiragecentury%2Frust_experimentation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiragecentury%2Frust_experimentation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 423536e8b5969a63741f84d09e5de17893c0caf4
[INFO] checking miragecentury/rust_experimentation against master#57f772f25c5ce2bd870d6f8c3ab318eaee5a3326 for pr-133502-22
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiragecentury%2Frust_experimentation" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/miragecentury/rust_experimentation
[INFO] finished tweaking git repo https://github.com/miragecentury/rust_experimentation
[INFO] tweaked toml for git repo https://github.com/miragecentury/rust_experimentation written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/miragecentury/rust_experimentation on toolchain 57f772f25c5ce2bd870d6f8c3ab318eaee5a3326
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57f772f25c5ce2bd870d6f8c3ab318eaee5a3326" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/miragecentury/rust_experimentation 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" "+57f772f25c5ce2bd870d6f8c3ab318eaee5a3326" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+57f772f25c5ce2bd870d6f8c3ab318eaee5a3326" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2942678994fae2184cd9b651f7770a991147f8664c0c9aa315b9be32717b0653
[INFO] running `Command { std: "docker" "start" "-a" "2942678994fae2184cd9b651f7770a991147f8664c0c9aa315b9be32717b0653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2942678994fae2184cd9b651f7770a991147f8664c0c9aa315b9be32717b0653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2942678994fae2184cd9b651f7770a991147f8664c0c9aa315b9be32717b0653", kill_on_drop: false }`
[INFO] [stdout] 2942678994fae2184cd9b651f7770a991147f8664c0c9aa315b9be32717b0653
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+57f772f25c5ce2bd870d6f8c3ab318eaee5a3326" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31ed1c2c87258d43344d53920c4bc6d199e6dd1fb648186c3c6e9b9d9ad477ce
[INFO] running `Command { std: "docker" "start" "-a" "31ed1c2c87258d43344d53920c4bc6d199e6dd1fb648186c3c6e9b9d9ad477ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling portable-atomic v1.13.1
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[INFO] [stderr]     Checking rust_experimentation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 55.49s
[INFO] running `Command { std: "docker" "inspect" "31ed1c2c87258d43344d53920c4bc6d199e6dd1fb648186c3c6e9b9d9ad477ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31ed1c2c87258d43344d53920c4bc6d199e6dd1fb648186c3c6e9b9d9ad477ce", kill_on_drop: false }`
[INFO] [stdout] 31ed1c2c87258d43344d53920c4bc6d199e6dd1fb648186c3c6e9b9d9ad477ce
