[INFO] fetching crate cargo-rost 0.0.1...
[INFO] checking cargo-rost-0.0.1 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate cargo-rost 0.0.1 into /workspace/builds/worker-33/source
[INFO] validating manifest of crates.io crate cargo-rost 0.0.1 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-rost 0.0.1
[INFO] finished tweaking crates.io crate cargo-rost 0.0.1
[INFO] tweaked toml for crates.io crate cargo-rost 0.0.1 written to /workspace/builds/worker-33/source/Cargo.toml
[INFO] crate crates.io crate cargo-rost 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e1c772088a501a5a29b61fd31a6e2ddd130cd383806831d0bef55a56f4ee9ad
[INFO] running `Command { std: "docker" "start" "-a" "6e1c772088a501a5a29b61fd31a6e2ddd130cd383806831d0bef55a56f4ee9ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e1c772088a501a5a29b61fd31a6e2ddd130cd383806831d0bef55a56f4ee9ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e1c772088a501a5a29b61fd31a6e2ddd130cd383806831d0bef55a56f4ee9ad", kill_on_drop: false }`
[INFO] [stdout] 6e1c772088a501a5a29b61fd31a6e2ddd130cd383806831d0bef55a56f4ee9ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a54f23c3edc8f2dae5aa5c4edd7b18e21423f6a528ab3cd9f076b0c32bca754e
[INFO] running `Command { std: "docker" "start" "-a" "a54f23c3edc8f2dae5aa5c4edd7b18e21423f6a528ab3cd9f076b0c32bca754e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cargo-rost v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "a54f23c3edc8f2dae5aa5c4edd7b18e21423f6a528ab3cd9f076b0c32bca754e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a54f23c3edc8f2dae5aa5c4edd7b18e21423f6a528ab3cd9f076b0c32bca754e", kill_on_drop: false }`
[INFO] [stdout] a54f23c3edc8f2dae5aa5c4edd7b18e21423f6a528ab3cd9f076b0c32bca754e