[INFO] fetching crate ansi-escape-sequences-cli 0.1.4...
[INFO] checking ansi-escape-sequences-cli-0.1.4 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] extracting crate ansi-escape-sequences-cli 0.1.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ansi-escape-sequences-cli 0.1.4 on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ansi-escape-sequences-cli 0.1.4
[INFO] finished tweaking crates.io crate ansi-escape-sequences-cli 0.1.4
[INFO] tweaked toml for crates.io crate ansi-escape-sequences-cli 0.1.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate ansi-escape-sequences-cli 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 020da678dc0fd7baafecbd839d25ffc52507d580455c068622a4c64e77e5eb4d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "020da678dc0fd7baafecbd839d25ffc52507d580455c068622a4c64e77e5eb4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "020da678dc0fd7baafecbd839d25ffc52507d580455c068622a4c64e77e5eb4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "020da678dc0fd7baafecbd839d25ffc52507d580455c068622a4c64e77e5eb4d", kill_on_drop: false }`
[INFO] [stdout] 020da678dc0fd7baafecbd839d25ffc52507d580455c068622a4c64e77e5eb4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "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] 63a3319bf0aba669a0cc23a5dcdce25d9f4b84667a9e9cfb53704901fcc87af2
[INFO] running `Command { std: "docker" "start" "-a" "63a3319bf0aba669a0cc23a5dcdce25d9f4b84667a9e9cfb53704901fcc87af2", kill_on_drop: false }`
[INFO] [stderr]     Checking ansi-escape-sequences-cli v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `actual_params_1`
[INFO] [stdout]    --> src/input.rs:241:14
[INFO] [stdout]     |
[INFO] [stdout] 241 |         let (actual_params_1, actual_cmd_1) = analyze_args(&args).unwrap();
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_actual_params_1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `actual_cmd_1`
[INFO] [stdout]    --> src/input.rs:241:31
[INFO] [stdout]     |
[INFO] [stdout] 241 |         let (actual_params_1, actual_cmd_1) = analyze_args(&args).unwrap();
[INFO] [stdout]     |                               ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_actual_cmd_1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `actual_params_1`
[INFO] [stdout]    --> src/input.rs:249:14
[INFO] [stdout]     |
[INFO] [stdout] 249 |         let (actual_params_1, actual_cmd_1) = analyze_args(&args).expect("Must be valid");
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_actual_params_1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `actual_cmd_1`
[INFO] [stdout]    --> src/input.rs:249:31
[INFO] [stdout]     |
[INFO] [stdout] 249 |         let (actual_params_1, actual_cmd_1) = analyze_args(&args).expect("Must be valid");
[INFO] [stdout]     |                               ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_actual_cmd_1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "63a3319bf0aba669a0cc23a5dcdce25d9f4b84667a9e9cfb53704901fcc87af2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63a3319bf0aba669a0cc23a5dcdce25d9f4b84667a9e9cfb53704901fcc87af2", kill_on_drop: false }`
[INFO] [stdout] 63a3319bf0aba669a0cc23a5dcdce25d9f4b84667a9e9cfb53704901fcc87af2