[INFO] fetching crate allocator-api2 0.2.16...
[INFO] checking allocator-api2-0.2.16 against nightly-2024-02-05 for check-cfg-2
[INFO] extracting crate allocator-api2 0.2.16 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate allocator-api2 0.2.16 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 allocator-api2 0.2.16
[INFO] finished tweaking crates.io crate allocator-api2 0.2.16
[INFO] tweaked toml for crates.io crate allocator-api2 0.2.16 written to /workspace/builds/worker-1-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]     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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 00e7108babd17c625189f3b0444921316d9e6c279c6278d501922616fc50e33e
[INFO] running `Command { std: "docker" "start" "-a" "00e7108babd17c625189f3b0444921316d9e6c279c6278d501922616fc50e33e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00e7108babd17c625189f3b0444921316d9e6c279c6278d501922616fc50e33e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00e7108babd17c625189f3b0444921316d9e6c279c6278d501922616fc50e33e", kill_on_drop: false }`
[INFO] [stdout] 00e7108babd17c625189f3b0444921316d9e6c279c6278d501922616fc50e33e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 99065781bd69413f926b8a21cf556058f75a154e967869b712490c7d201d4f7e
[INFO] running `Command { std: "docker" "start" "-a" "99065781bd69413f926b8a21cf556058f75a154e967869b712490c7d201d4f7e", kill_on_drop: false }`
[INFO] [stderr]     Checking allocator-api2 v0.2.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `handle_alloc_error`
[INFO] [stdout]  --> src/stable/alloc/global.rs:4:60
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use alloc_crate::alloc::{alloc, alloc_zeroed, dealloc, handle_alloc_error, realloc};
[INFO] [stdout]   |                                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `handle_alloc_error`
[INFO] [stdout]  --> src/stable/alloc/global.rs:4:60
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use alloc_crate::alloc::{alloc, alloc_zeroed, dealloc, handle_alloc_error, realloc};
[INFO] [stdout]   |                                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "99065781bd69413f926b8a21cf556058f75a154e967869b712490c7d201d4f7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99065781bd69413f926b8a21cf556058f75a154e967869b712490c7d201d4f7e", kill_on_drop: false }`
[INFO] [stdout] 99065781bd69413f926b8a21cf556058f75a154e967869b712490c7d201d4f7e