[INFO] cloning repository https://github.com/unional/rusty-guidebook
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/unional/rusty-guidebook" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funional%2Frusty-guidebook", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funional%2Frusty-guidebook'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b5df318b063b69bba8bffae2ce4931382e18114c
[INFO] checking unional/rusty-guidebook against nightly-2024-02-05 for check-cfg
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funional%2Frusty-guidebook" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/unional/rusty-guidebook on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/unional/rusty-guidebook
[INFO] finished tweaking git repo https://github.com/unional/rusty-guidebook
[INFO] tweaked toml for git repo https://github.com/unional/rusty-guidebook written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/unional/rusty-guidebook 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d8c6b8b6161d6f67288cc9fc37458c74ee440436954c84193351c088f0413e5
[INFO] running `Command { std: "docker" "start" "-a" "2d8c6b8b6161d6f67288cc9fc37458c74ee440436954c84193351c088f0413e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d8c6b8b6161d6f67288cc9fc37458c74ee440436954c84193351c088f0413e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d8c6b8b6161d6f67288cc9fc37458c74ee440436954c84193351c088f0413e5", kill_on_drop: false }`
[INFO] [stdout] 2d8c6b8b6161d6f67288cc9fc37458c74ee440436954c84193351c088f0413e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c76b05f9b69c333785c7c6046eaf29ec3eaa6c6e28b77926970516eb0ec54db1
[INFO] running `Command { std: "docker" "start" "-a" "c76b05f9b69c333785c7c6046eaf29ec3eaa6c6e28b77926970516eb0ec54db1", kill_on_drop: false }`
[INFO] [stderr]     Checking rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `s` is never read
[INFO] [stdout]  --> src/lifetimes.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct A {
[INFO] [stdout]   |            - field in this struct
[INFO] [stdout] 3 |   s: String,
[INFO] [stdout]   |   ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `A` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 `s` is never read
[INFO] [stdout]  --> src/lifetimes.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct A {
[INFO] [stdout]   |            - field in this struct
[INFO] [stdout] 3 |   s: String,
[INFO] [stdout]   |   ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `A` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 0.06s
[INFO] running `Command { std: "docker" "inspect" "c76b05f9b69c333785c7c6046eaf29ec3eaa6c6e28b77926970516eb0ec54db1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c76b05f9b69c333785c7c6046eaf29ec3eaa6c6e28b77926970516eb0ec54db1", kill_on_drop: false }`
[INFO] [stdout] c76b05f9b69c333785c7c6046eaf29ec3eaa6c6e28b77926970516eb0ec54db1
