[INFO] fetching crate caro 1.4.0...
[INFO] checking caro-1.4.0 against try#b28cc4eb48a6415b914e8ad0308be255ff8d73ed for pr-156508-1
[INFO] extracting crate caro 1.4.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate caro 1.4.0
[INFO] finished tweaking crates.io crate caro 1.4.0
[INFO] tweaked toml for crates.io crate caro 1.4.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate caro 1.4.0 on toolchain b28cc4eb48a6415b914e8ad0308be255ff8d73ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate caro 1.4.0 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" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac992d36ec3b7a77a3e24d540ce5b8ef471133fb6d5e772215a266ffdd598023
[INFO] running `Command { std: "docker" "start" "-a" "ac992d36ec3b7a77a3e24d540ce5b8ef471133fb6d5e772215a266ffdd598023", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac992d36ec3b7a77a3e24d540ce5b8ef471133fb6d5e772215a266ffdd598023", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac992d36ec3b7a77a3e24d540ce5b8ef471133fb6d5e772215a266ffdd598023", kill_on_drop: false }`
[INFO] [stdout] ac992d36ec3b7a77a3e24d540ce5b8ef471133fb6d5e772215a266ffdd598023
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01219be2c30d73aaa0a529ddfe45fd6b7fb6e70ff0a6f96cfb61f348ecf48f2e
[INFO] running `Command { std: "docker" "start" "-a" "01219be2c30d73aaa0a529ddfe45fd6b7fb6e70ff0a6f96cfb61f348ecf48f2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
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[INFO] [stderr]    Compiling serde_derive v1.0.228
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[INFO] [stderr]    Compiling caro v1.4.0 (/opt/rustwide/workdir)
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[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `Command { std: "docker" "inspect" "01219be2c30d73aaa0a529ddfe45fd6b7fb6e70ff0a6f96cfb61f348ecf48f2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01219be2c30d73aaa0a529ddfe45fd6b7fb6e70ff0a6f96cfb61f348ecf48f2e", kill_on_drop: false }`
[INFO] [stdout] 01219be2c30d73aaa0a529ddfe45fd6b7fb6e70ff0a6f96cfb61f348ecf48f2e
