[INFO] fetching crate page-lock 3.1.0...
[INFO] checking page-lock-3.1.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate page-lock 3.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate page-lock 3.1.0 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 crates.io crate page-lock 3.1.0
[INFO] finished tweaking crates.io crate page-lock 3.1.0
[INFO] tweaked toml for crates.io crate page-lock 3.1.0 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 68 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.22.0 (latest: v0.24.1)
[INFO] [stderr]       Adding fastrand v1.9.0 (latest: v2.1.1)
[INFO] [stderr]       Adding gimli v0.29.0 (latest: v0.31.0)
[INFO] [stderr]       Adding miniz_oxide v0.7.4 (latest: v0.8.0)
[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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82ca458c909832ee1537a1e6edf74377eaa4fab795b0db4d9b1e4b3b43522197
[INFO] running `Command { std: "docker" "start" "-a" "82ca458c909832ee1537a1e6edf74377eaa4fab795b0db4d9b1e4b3b43522197", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82ca458c909832ee1537a1e6edf74377eaa4fab795b0db4d9b1e4b3b43522197", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82ca458c909832ee1537a1e6edf74377eaa4fab795b0db4d9b1e4b3b43522197", kill_on_drop: false }`
[INFO] [stdout] 82ca458c909832ee1537a1e6edf74377eaa4fab795b0db4d9b1e4b3b43522197
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3578c1c7012b004128aa3f320d3c815bda69344a8a46d49c95ad824997dde452
[INFO] running `Command { std: "docker" "start" "-a" "3578c1c7012b004128aa3f320d3c815bda69344a8a46d49c95ad824997dde452", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.93
[INFO] [stderr]    Compiling bumpalo v3.16.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.93
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.43
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking page-lock v3.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rw_lock.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |             let mut rc = map.get_mut(&self.num).unwrap_unchecked();
[INFO] [stdout]    |                 ----^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.93
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.93
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.93
[INFO] [stderr]     Checking js-sys v0.3.70
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking tokio-stream v0.1.15
[INFO] [stderr]     Checking tokio-test v0.4.4
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.43
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.43
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rw_lock.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |             let mut rc = map.get_mut(&self.num).unwrap_unchecked();
[INFO] [stdout]    |                 ----^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.76s
[INFO] running `Command { std: "docker" "inspect" "3578c1c7012b004128aa3f320d3c815bda69344a8a46d49c95ad824997dde452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3578c1c7012b004128aa3f320d3c815bda69344a8a46d49c95ad824997dde452", kill_on_drop: false }`
[INFO] [stdout] 3578c1c7012b004128aa3f320d3c815bda69344a8a46d49c95ad824997dde452