[INFO] fetching crate prototty_common 0.25.0...
[INFO] checking prototty_common-0.25.0 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate prototty_common 0.25.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate prototty_common 0.25.0 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prototty_common 0.25.0
[INFO] finished tweaking crates.io crate prototty_common 0.25.0
[INFO] tweaked toml for crates.io crate prototty_common 0.25.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prototty_render v0.25.0
[INFO] [stderr]   Downloaded prototty_input v0.25.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1058b8e93f9f62dabfaa8c95a82d423b8a47be7ee9b3d4bfbed7da2b1859c62
[INFO] running `Command { std: "docker" "start" "-a" "c1058b8e93f9f62dabfaa8c95a82d423b8a47be7ee9b3d4bfbed7da2b1859c62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1058b8e93f9f62dabfaa8c95a82d423b8a47be7ee9b3d4bfbed7da2b1859c62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1058b8e93f9f62dabfaa8c95a82d423b8a47be7ee9b3d4bfbed7da2b1859c62", kill_on_drop: false }`
[INFO] [stdout] c1058b8e93f9f62dabfaa8c95a82d423b8a47be7ee9b3d4bfbed7da2b1859c62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab284ef48855999a1489a6aa20e8834522cd23acb58c8c89f7e3f1d3b9d3f581
[INFO] running `Command { std: "docker" "start" "-a" "ab284ef48855999a1489a6aa20e8834522cd23acb58c8c89f7e3f1d3b9d3f581", kill_on_drop: false }`
[INFO] [stderr]     Checking coord_2d v0.2.25
[INFO] [stderr]     Checking rgb24 v0.1.5
[INFO] [stderr]     Checking prototty_render v0.25.0
[INFO] [stderr]     Checking prototty_input v0.25.0
[INFO] [stderr]     Checking prototty_common v0.25.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `num_lines`
[INFO] [stdout]  --> src/pager.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     num_lines: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `num_lines`
[INFO] [stdout]  --> src/pager.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     num_lines: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "ab284ef48855999a1489a6aa20e8834522cd23acb58c8c89f7e3f1d3b9d3f581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab284ef48855999a1489a6aa20e8834522cd23acb58c8c89f7e3f1d3b9d3f581", kill_on_drop: false }`
[INFO] [stdout] ab284ef48855999a1489a6aa20e8834522cd23acb58c8c89f7e3f1d3b9d3f581