[INFO] cloning repository https://github.com/rupansh/reusable-fmt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rupansh/reusable-fmt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frupansh%2Freusable-fmt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frupansh%2Freusable-fmt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee7b649d7254c6e59ee7b98d6a9f5bf3e5afb591
[INFO] checking rupansh/reusable-fmt against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frupansh%2Freusable-fmt" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rupansh/reusable-fmt 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 git repo https://github.com/rupansh/reusable-fmt
[INFO] finished tweaking git repo https://github.com/rupansh/reusable-fmt
[INFO] tweaked toml for git repo https://github.com/rupansh/reusable-fmt written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/rupansh/reusable-fmt 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-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e19c7cf38e418b338c1ee0496c12508ad04d93ae8918cc333cdb78111dc59a3e
[INFO] running `Command { std: "docker" "start" "-a" "e19c7cf38e418b338c1ee0496c12508ad04d93ae8918cc333cdb78111dc59a3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e19c7cf38e418b338c1ee0496c12508ad04d93ae8918cc333cdb78111dc59a3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e19c7cf38e418b338c1ee0496c12508ad04d93ae8918cc333cdb78111dc59a3e", kill_on_drop: false }`
[INFO] [stdout] e19c7cf38e418b338c1ee0496c12508ad04d93ae8918cc333cdb78111dc59a3e
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f283fa7bc7182faaf05c498c3c89d1885023b64bd6f29f983d7d9aecc4e88abb
[INFO] running `Command { std: "docker" "start" "-a" "f283fa7bc7182faaf05c498c3c89d1885023b64bd6f29f983d7d9aecc4e88abb", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling reusable-fmt v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `extended_key_value_attributes` has been stable since 1.54.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:44:30
[INFO] [stdout]    |
[INFO] [stdout] 44 | #![cfg_attr(nightly, feature(extended_key_value_attributes))]
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `extended_key_value_attributes` has been stable since 1.54.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:44:30
[INFO] [stdout]    |
[INFO] [stdout] 44 | #![cfg_attr(nightly, feature(extended_key_value_attributes))]
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.10s
[INFO] running `Command { std: "docker" "inspect" "f283fa7bc7182faaf05c498c3c89d1885023b64bd6f29f983d7d9aecc4e88abb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f283fa7bc7182faaf05c498c3c89d1885023b64bd6f29f983d7d9aecc4e88abb", kill_on_drop: false }`
[INFO] [stdout] f283fa7bc7182faaf05c498c3c89d1885023b64bd6f29f983d7d9aecc4e88abb