[INFO] cloning repository https://github.com/yonikosiner/rust-todo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yonikosiner/rust-todo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyonikosiner%2Frust-todo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyonikosiner%2Frust-todo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5c8bfde3f5d5d65029cc6188bd8bb507fb96c50
[INFO] checking yonikosiner/rust-todo against master#7308c22c6a8d77e82187e290e1f7459870e48d12 for pr-99447
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyonikosiner%2Frust-todo" "/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/yonikosiner/rust-todo on toolchain 7308c22c6a8d77e82187e290e1f7459870e48d12
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yonikosiner/rust-todo
[INFO] finished tweaking git repo https://github.com/yonikosiner/rust-todo
[INFO] tweaked toml for git repo https://github.com/yonikosiner/rust-todo written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/yonikosiner/rust-todo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31c47f9b9922a6fa2a6ecc56fe14d4603cfbf7f5da722bb6798548d8410998a9
[INFO] running `Command { std: "docker" "start" "-a" "31c47f9b9922a6fa2a6ecc56fe14d4603cfbf7f5da722bb6798548d8410998a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31c47f9b9922a6fa2a6ecc56fe14d4603cfbf7f5da722bb6798548d8410998a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31c47f9b9922a6fa2a6ecc56fe14d4603cfbf7f5da722bb6798548d8410998a9", kill_on_drop: false }`
[INFO] [stdout] 31c47f9b9922a6fa2a6ecc56fe14d4603cfbf7f5da722bb6798548d8410998a9
[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" "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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c1cb52513886618559b658bed7e4dec96183a0f90d677a54d7af99185a2738b
[INFO] running `Command { std: "docker" "start" "-a" "5c1cb52513886618559b658bed7e4dec96183a0f90d677a54d7af99185a2738b", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-todo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `title` is never read
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct TODO {
[INFO] [stdout]   |        ---- field in this struct
[INFO] [stdout] 5 |     title: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]   = note: `TODO` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `title` is never read
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct TODO {
[INFO] [stdout]   |        ---- field in this struct
[INFO] [stdout] 5 |     title: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]   = note: `TODO` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.51s
[INFO] running `Command { std: "docker" "inspect" "5c1cb52513886618559b658bed7e4dec96183a0f90d677a54d7af99185a2738b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c1cb52513886618559b658bed7e4dec96183a0f90d677a54d7af99185a2738b", kill_on_drop: false }`
[INFO] [stdout] 5c1cb52513886618559b658bed7e4dec96183a0f90d677a54d7af99185a2738b