[INFO] fetching crate array_ex 1.0.0...
[INFO] checking array_ex-1.0.0 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] extracting crate array_ex 1.0.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate array_ex 1.0.0 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate array_ex 1.0.0
[INFO] finished tweaking crates.io crate array_ex 1.0.0
[INFO] tweaked toml for crates.io crate array_ex 1.0.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate array_ex 1.0.0 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 832ef973c3470535f7c387fa8d90ac5ee66efe2b5c72634717067f2c5278db73
[INFO] running `Command { std: "docker" "start" "-a" "832ef973c3470535f7c387fa8d90ac5ee66efe2b5c72634717067f2c5278db73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "832ef973c3470535f7c387fa8d90ac5ee66efe2b5c72634717067f2c5278db73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "832ef973c3470535f7c387fa8d90ac5ee66efe2b5c72634717067f2c5278db73", kill_on_drop: false }`
[INFO] [stdout] 832ef973c3470535f7c387fa8d90ac5ee66efe2b5c72634717067f2c5278db73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e85ad8a3524408b71bb07af38a3dc7b624d6595ecada85881c566abc91e2119d
[INFO] running `Command { std: "docker" "start" "-a" "e85ad8a3524408b71bb07af38a3dc7b624d6595ecada85881c566abc91e2119d", kill_on_drop: false }`
[INFO] [stderr]     Checking array_ex v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "e85ad8a3524408b71bb07af38a3dc7b624d6595ecada85881c566abc91e2119d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e85ad8a3524408b71bb07af38a3dc7b624d6595ecada85881c566abc91e2119d", kill_on_drop: false }`
[INFO] [stdout] e85ad8a3524408b71bb07af38a3dc7b624d6595ecada85881c566abc91e2119d