[INFO] fetching crate bufchan 0.1.0...
[INFO] checking bufchan-0.1.0 against master#f8463896a9b36a04899c013bd8825a7fd29dd7a4 for pr-151920
[INFO] extracting crate bufchan 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate bufchan 0.1.0
[INFO] finished tweaking crates.io crate bufchan 0.1.0
[INFO] tweaked toml for crates.io crate bufchan 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate bufchan 0.1.0 on toolchain f8463896a9b36a04899c013bd8825a7fd29dd7a4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 106 packages to latest compatible versions
[INFO] [stderr]       Adding flume v0.11.1 (available: v0.12.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quickcheck_macros v1.2.0
[INFO] [stderr]   Downloaded divan-macros v0.1.21
[INFO] [stderr]   Downloaded condtype v1.3.0
[INFO] [stderr]   Downloaded kanal v0.1.1
[INFO] [stderr]   Downloaded quickcheck v1.1.0
[INFO] [stderr]   Downloaded rand_core v0.10.0
[INFO] [stderr]   Downloaded rand v0.10.0
[INFO] [stderr]   Downloaded divan v0.1.21
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a991f5e8c1fdd195a84efc3cb0289776e454d59857820ef85626e0ccd63938f
[INFO] running `Command { std: "docker" "start" "-a" "8a991f5e8c1fdd195a84efc3cb0289776e454d59857820ef85626e0ccd63938f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a991f5e8c1fdd195a84efc3cb0289776e454d59857820ef85626e0ccd63938f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a991f5e8c1fdd195a84efc3cb0289776e454d59857820ef85626e0ccd63938f", kill_on_drop: false }`
[INFO] [stdout] 8a991f5e8c1fdd195a84efc3cb0289776e454d59857820ef85626e0ccd63938f
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b5e1643a6ad5fde885cc05ecf80201a3f6f5f3f7f573697f07b5f43959340d4
[INFO] running `Command { std: "docker" "start" "-a" "1b5e1643a6ad5fde885cc05ecf80201a3f6f5f3f7f573697f07b5f43959340d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]    Compiling getrandom v0.4.1
[INFO] [stderr]     Checking rand_core v0.10.0
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking condtype v1.3.0
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking regex-lite v0.1.9
[INFO] [stderr]     Checking kanal v0.1.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking bufchan v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling divan-macros v0.1.21
[INFO] [stderr]    Compiling quickcheck_macros v1.2.0
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking flume v0.11.1
[INFO] [stderr]     Checking rand v0.10.0
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking terminal_size v0.4.3
[INFO] [stderr]     Checking clap_builder v4.5.58
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]     Checking env_filter v1.0.0
[INFO] [stderr]     Checking env_logger v0.11.9
[INFO] [stderr]     Checking quickcheck v1.1.0
[INFO] [stderr]     Checking clap v4.5.58
[INFO] [stderr]     Checking divan v0.1.21
[INFO] [stdout] warning: field `arr` is never read
[INFO] [stdout]   --> src/bench.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     struct Big {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 71 |         arr: [u32; 64],
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `arr` is never read
[INFO] [stdout]    --> src/bench.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     struct Big {
[INFO] [stdout]     |            --- field in this struct
[INFO] [stdout] 117 |         arr: [u32; 6],
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.53s
[INFO] running `Command { std: "docker" "inspect" "1b5e1643a6ad5fde885cc05ecf80201a3f6f5f3f7f573697f07b5f43959340d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b5e1643a6ad5fde885cc05ecf80201a3f6f5f3f7f573697f07b5f43959340d4", kill_on_drop: false }`
[INFO] [stdout] 1b5e1643a6ad5fde885cc05ecf80201a3f6f5f3f7f573697f07b5f43959340d4