[INFO] fetching crate attr_alias 0.1.4...
[INFO] checking attr_alias-0.1.4 against try#028201683a76a5cd349729c6819c46607119c4e8 for pr-144157
[INFO] extracting crate attr_alias 0.1.4 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate attr_alias 0.1.4
[INFO] finished tweaking crates.io crate attr_alias 0.1.4
[INFO] tweaked toml for crates.io crate attr_alias 0.1.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate attr_alias 0.1.4 on toolchain 028201683a76a5cd349729c6819c46607119c4e8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+028201683a76a5cd349729c6819c46607119c4e8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate attr_alias 0.1.4 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" "+028201683a76a5cd349729c6819c46607119c4e8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+028201683a76a5cd349729c6819c46607119c4e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b1be592f129820144db7644c27aba13eb2b049f8da9cac83bbe2ad7fe5ac250
[INFO] running `Command { std: "docker" "start" "-a" "3b1be592f129820144db7644c27aba13eb2b049f8da9cac83bbe2ad7fe5ac250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b1be592f129820144db7644c27aba13eb2b049f8da9cac83bbe2ad7fe5ac250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b1be592f129820144db7644c27aba13eb2b049f8da9cac83bbe2ad7fe5ac250", kill_on_drop: false }`
[INFO] [stdout] 3b1be592f129820144db7644c27aba13eb2b049f8da9cac83bbe2ad7fe5ac250
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+028201683a76a5cd349729c6819c46607119c4e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b55ed9c101ca157f4810a22a0c7a734b5b477d76f713a6218602941c39c0883
[INFO] running `Command { std: "docker" "start" "-a" "1b55ed9c101ca157f4810a22a0c7a734b5b477d76f713a6218602941c39c0883", kill_on_drop: false }`
[INFO] [stderr]     Checking attr_alias v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "1b55ed9c101ca157f4810a22a0c7a734b5b477d76f713a6218602941c39c0883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b55ed9c101ca157f4810a22a0c7a734b5b477d76f713a6218602941c39c0883", kill_on_drop: false }`
[INFO] [stdout] 1b55ed9c101ca157f4810a22a0c7a734b5b477d76f713a6218602941c39c0883