[INFO] cloning repository https://github.com/lhdjung/closure_ground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lhdjung/closure_ground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flhdjung%2Fclosure_ground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flhdjung%2Fclosure_ground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da4ef4c4053db081c504be685196720ab2b14933
[INFO] checking lhdjung/closure_ground against master#b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd for pr-155501
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flhdjung%2Fclosure_ground" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lhdjung/closure_ground
[INFO] finished tweaking git repo https://github.com/lhdjung/closure_ground
[INFO] tweaked toml for git repo https://github.com/lhdjung/closure_ground written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lhdjung/closure_ground on toolchain b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lhdjung/closure_ground 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" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1836ddec1150a791c79f0448f282b316f830c8272c46a79f3a0d9bd4cde85097
[INFO] running `Command { std: "docker" "start" "-a" "1836ddec1150a791c79f0448f282b316f830c8272c46a79f3a0d9bd4cde85097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1836ddec1150a791c79f0448f282b316f830c8272c46a79f3a0d9bd4cde85097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1836ddec1150a791c79f0448f282b316f830c8272c46a79f3a0d9bd4cde85097", kill_on_drop: false }`
[INFO] [stdout] 1836ddec1150a791c79f0448f282b316f830c8272c46a79f3a0d9bd4cde85097
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c2f5aa49f3241d9495895457d89355ccb071dfb6495aa6989aeb1d891dbacf5
[INFO] running `Command { std: "docker" "start" "-a" "4c2f5aa49f3241d9495895457d89355ccb071dfb6495aa6989aeb1d891dbacf5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
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[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]    Compiling zerocopy v0.8.31
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[INFO] [stderr]    Compiling version_check v0.9.5
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[INFO] [stderr]    Compiling serde_core v1.0.228
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[INFO] [stderr]     Checking closure-core v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "4c2f5aa49f3241d9495895457d89355ccb071dfb6495aa6989aeb1d891dbacf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c2f5aa49f3241d9495895457d89355ccb071dfb6495aa6989aeb1d891dbacf5", kill_on_drop: false }`
[INFO] [stdout] 4c2f5aa49f3241d9495895457d89355ccb071dfb6495aa6989aeb1d891dbacf5