[INFO] cloning repository https://github.com/ranafge/rust_struct_with_lifetime
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ranafge/rust_struct_with_lifetime" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Franafge%2Frust_struct_with_lifetime", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Franafge%2Frust_struct_with_lifetime'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40b4946092101d7309293ad32232c2e7e64469c8
[INFO] checking ranafge/rust_struct_with_lifetime against master#249595384b4589c71a00d622c4253f62c7f5ddbd for pr-127054
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Franafge%2Frust_struct_with_lifetime" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ranafge/rust_struct_with_lifetime on toolchain 249595384b4589c71a00d622c4253f62c7f5ddbd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+249595384b4589c71a00d622c4253f62c7f5ddbd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ranafge/rust_struct_with_lifetime
[INFO] finished tweaking git repo https://github.com/ranafge/rust_struct_with_lifetime
[INFO] tweaked toml for git repo https://github.com/ranafge/rust_struct_with_lifetime written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ranafge/rust_struct_with_lifetime 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" "+249595384b4589c71a00d622c4253f62c7f5ddbd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+249595384b4589c71a00d622c4253f62c7f5ddbd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26216bffbdae1062f9ff66de6298cf8229cafa70fafb13f2312b83268d830d7e
[INFO] running `Command { std: "docker" "start" "-a" "26216bffbdae1062f9ff66de6298cf8229cafa70fafb13f2312b83268d830d7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26216bffbdae1062f9ff66de6298cf8229cafa70fafb13f2312b83268d830d7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26216bffbdae1062f9ff66de6298cf8229cafa70fafb13f2312b83268d830d7e", kill_on_drop: false }`
[INFO] [stdout] 26216bffbdae1062f9ff66de6298cf8229cafa70fafb13f2312b83268d830d7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+249595384b4589c71a00d622c4253f62c7f5ddbd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97af51b002ec4fabd3a9c00a3dffa8ace41fc016ec526abe1ca3b71c9a685629
[INFO] running `Command { std: "docker" "start" "-a" "97af51b002ec4fabd3a9c00a3dffa8ace41fc016ec526abe1ca3b71c9a685629", kill_on_drop: false }`
[INFO] [stderr]     Checking crazy_lifetime v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Book` is never constructed
[INFO] [stdout]  --> src/lib.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Book {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `title` is never read
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Book {
[INFO] [stdout]   |        ---- field in this struct
[INFO] [stdout] 9 |     title: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crazy_lifetime` (lib); 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `crazy_lifetime` (lib test); 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "97af51b002ec4fabd3a9c00a3dffa8ace41fc016ec526abe1ca3b71c9a685629", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97af51b002ec4fabd3a9c00a3dffa8ace41fc016ec526abe1ca3b71c9a685629", kill_on_drop: false }`
[INFO] [stdout] 97af51b002ec4fabd3a9c00a3dffa8ace41fc016ec526abe1ca3b71c9a685629