[INFO] fetching crate thin-vec 0.2.12...
[INFO] checking thin-vec-0.2.12 against nightly-2024-02-05 for check-cfg-2
[INFO] extracting crate thin-vec 0.2.12 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate thin-vec 0.2.12 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 crates.io crate thin-vec 0.2.12
[INFO] finished tweaking crates.io crate thin-vec 0.2.12
[INFO] tweaked toml for crates.io crate thin-vec 0.2.12 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[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] [stderr]     Blocking waiting for file lock on package cache
[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] 3ce83b6dfa58435fc6f825eb70e086cd2c366dde813d9b3b446cbbc179a660cc
[INFO] running `Command { std: "docker" "start" "-a" "3ce83b6dfa58435fc6f825eb70e086cd2c366dde813d9b3b446cbbc179a660cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ce83b6dfa58435fc6f825eb70e086cd2c366dde813d9b3b446cbbc179a660cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ce83b6dfa58435fc6f825eb70e086cd2c366dde813d9b3b446cbbc179a660cc", kill_on_drop: false }`
[INFO] [stdout] 3ce83b6dfa58435fc6f825eb70e086cd2c366dde813d9b3b446cbbc179a660cc
[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] 4f3c7c4b1654e080b8b73f25b980375c465e99b38fac521e41344b61b4c80c5b
[INFO] running `Command { std: "docker" "start" "-a" "4f3c7c4b1654e080b8b73f25b980375c465e99b38fac521e41344b61b4c80c5b", kill_on_drop: false }`
[INFO] [stderr]     Checking thin-vec v0.2.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_test v1.0.176
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]     --> src/lib.rs:2660:24
[INFO] [stdout]      |
[INFO] [stdout] 2660 |         struct Align16(u8);
[INFO] [stdout]      |                ------- ^^
[INFO] [stdout]      |                |
[INFO] [stdout]      |                field in this struct
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]      |
[INFO] [stdout] 2660 |         struct Align16(());
[INFO] [stdout]      |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]     --> src/lib.rs:3380:21
[INFO] [stdout]      |
[INFO] [stdout] 3380 |         struct Elem(i32);
[INFO] [stdout]      |                ---- ^^^
[INFO] [stdout]      |                |
[INFO] [stdout]      |                field in this struct
[INFO] [stdout]      |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]      |
[INFO] [stdout] 3380 |         struct Elem(());
[INFO] [stdout]      |                     ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "4f3c7c4b1654e080b8b73f25b980375c465e99b38fac521e41344b61b4c80c5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f3c7c4b1654e080b8b73f25b980375c465e99b38fac521e41344b61b4c80c5b", kill_on_drop: false }`
[INFO] [stdout] 4f3c7c4b1654e080b8b73f25b980375c465e99b38fac521e41344b61b4c80c5b
