[INFO] fetching crate colorlyne 1.2.1...
[INFO] checking colorlyne-1.2.1 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate colorlyne 1.2.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate colorlyne 1.2.1
[INFO] finished tweaking crates.io crate colorlyne 1.2.1
[INFO] tweaked toml for crates.io crate colorlyne 1.2.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate colorlyne 1.2.1 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate colorlyne 1.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c2c86775c22b791d605f7a3e9eb946f22b17f2101e6ec8f7d3214e5030abb94
[INFO] running `Command { std: "docker" "start" "-a" "7c2c86775c22b791d605f7a3e9eb946f22b17f2101e6ec8f7d3214e5030abb94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c2c86775c22b791d605f7a3e9eb946f22b17f2101e6ec8f7d3214e5030abb94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c2c86775c22b791d605f7a3e9eb946f22b17f2101e6ec8f7d3214e5030abb94", kill_on_drop: false }`
[INFO] [stdout] 7c2c86775c22b791d605f7a3e9eb946f22b17f2101e6ec8f7d3214e5030abb94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfc99907916ad8c9d7af327e6f363a645e9491487937b17e3209ceeb1c64591f
[INFO] running `Command { std: "docker" "start" "-a" "bfc99907916ad8c9d7af327e6f363a645e9491487937b17e3209ceeb1c64591f", kill_on_drop: false }`
[INFO] [stderr]     Checking colorful v0.2.1
[INFO] [stderr]     Checking colorlyne v1.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `upstream` is never read
[INFO] [stdout]   --> src/helper_structs.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct GitInfo {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub upstream: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `upstream` is never read
[INFO] [stdout]   --> src/helper_structs.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct GitInfo {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub upstream: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "bfc99907916ad8c9d7af327e6f363a645e9491487937b17e3209ceeb1c64591f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfc99907916ad8c9d7af327e6f363a645e9491487937b17e3209ceeb1c64591f", kill_on_drop: false }`
[INFO] [stdout] bfc99907916ad8c9d7af327e6f363a645e9491487937b17e3209ceeb1c64591f