[INFO] cloning repository https://github.com/Eason0729/atomic-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Eason0729/atomic-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEason0729%2Fatomic-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEason0729%2Fatomic-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c000860eb58cdfc808f7843e50d6b2f73712036a
[INFO] checking Eason0729/atomic-rs/c000860eb58cdfc808f7843e50d6b2f73712036a against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEason0729%2Fatomic-rs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Eason0729/atomic-rs on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Eason0729/atomic-rs
[INFO] finished tweaking git repo https://github.com/Eason0729/atomic-rs
[INFO] tweaked toml for git repo https://github.com/Eason0729/atomic-rs written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Eason0729/atomic-rs 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1654abf4857f787cadaf8fbe7ebf36f06ee1cee0ce1e572b2ddfe989a8735863
[INFO] running `Command { std: "docker" "start" "-a" "1654abf4857f787cadaf8fbe7ebf36f06ee1cee0ce1e572b2ddfe989a8735863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1654abf4857f787cadaf8fbe7ebf36f06ee1cee0ce1e572b2ddfe989a8735863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1654abf4857f787cadaf8fbe7ebf36f06ee1cee0ce1e572b2ddfe989a8735863", kill_on_drop: false }`
[INFO] [stdout] 1654abf4857f787cadaf8fbe7ebf36f06ee1cee0ce1e572b2ddfe989a8735863
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67262dc096e1f7f84d85764bf5e20d9a08e435e780bf390e44e00002b59ed18e
[INFO] running `Command { std: "docker" "start" "-a" "67262dc096e1f7f84d85764bf5e20d9a08e435e780bf390e44e00002b59ed18e", kill_on_drop: false }`
[INFO] [stderr]     Checking atomic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `AtomicUsize`
[INFO] [stdout]  --> src/gc/stack.rs:4:43
[INFO] [stdout]   |
[INFO] [stdout] 4 |     sync::atomic::{AtomicBool, AtomicPtr, AtomicUsize, Ordering},
[INFO] [stdout]   |                                           ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AtomicUsize`
[INFO] [stdout]  --> src/gc/stack.rs:4:43
[INFO] [stdout]   |
[INFO] [stdout] 4 |     sync::atomic::{AtomicBool, AtomicPtr, AtomicUsize, Ordering},
[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: unused borrow that must be used
[INFO] [stdout]    --> src/gc/stack.rs:167:18
[INFO] [stdout]     |
[INFO] [stdout] 167 |         unsafe { &*stack.head.load(Ordering::Relaxed) };
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 167 |         unsafe { let _ = &*stack.head.load(Ordering::Relaxed); };
[INFO] [stdout]     |                  +++++++                                     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "67262dc096e1f7f84d85764bf5e20d9a08e435e780bf390e44e00002b59ed18e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67262dc096e1f7f84d85764bf5e20d9a08e435e780bf390e44e00002b59ed18e", kill_on_drop: false }`
[INFO] [stdout] 67262dc096e1f7f84d85764bf5e20d9a08e435e780bf390e44e00002b59ed18e