[INFO] fetching crate async_command 0.2.0...
[INFO] checking async_command-0.2.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate async_command 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate async_command 0.2.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async_command 0.2.0
[INFO] finished tweaking crates.io crate async_command 0.2.0
[INFO] tweaked toml for crates.io crate async_command 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a1daacaec58aa43855f0e09956af91e1dfebb53669b06c5014e2fb5fbbc2596
[INFO] running `Command { std: "docker" "start" "-a" "3a1daacaec58aa43855f0e09956af91e1dfebb53669b06c5014e2fb5fbbc2596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a1daacaec58aa43855f0e09956af91e1dfebb53669b06c5014e2fb5fbbc2596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a1daacaec58aa43855f0e09956af91e1dfebb53669b06c5014e2fb5fbbc2596", kill_on_drop: false }`
[INFO] [stdout] 3a1daacaec58aa43855f0e09956af91e1dfebb53669b06c5014e2fb5fbbc2596
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3232c13fdc94aae323e17afa63da02fc7548a1739c56cb385d3867784ade58c
[INFO] running `Command { std: "docker" "start" "-a" "d3232c13fdc94aae323e17afa63da02fc7548a1739c56cb385d3867784ade58c", kill_on_drop: false }`
[INFO] [stderr]     Checking rusting v0.1.0
[INFO] [stderr]     Checking async_command v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "d3232c13fdc94aae323e17afa63da02fc7548a1739c56cb385d3867784ade58c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3232c13fdc94aae323e17afa63da02fc7548a1739c56cb385d3867784ade58c", kill_on_drop: false }`
[INFO] [stdout] d3232c13fdc94aae323e17afa63da02fc7548a1739c56cb385d3867784ade58c