[INFO] fetching crate bufchan 0.1.0...
[INFO] checking bufchan-0.1.0 against master#cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9 for pr-136968
[INFO] extracting crate bufchan 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate bufchan 0.1.0 on toolchain cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 74 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded divan v0.1.17
[INFO] [stderr]   Downloaded divan-macros v0.1.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ef0192620c9b67981f1bf153582f2f770b768ad3f52d63b2e432c7ab92eaa45
[INFO] running `Command { std: "docker" "start" "-a" "3ef0192620c9b67981f1bf153582f2f770b768ad3f52d63b2e432c7ab92eaa45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ef0192620c9b67981f1bf153582f2f770b768ad3f52d63b2e432c7ab92eaa45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ef0192620c9b67981f1bf153582f2f770b768ad3f52d63b2e432c7ab92eaa45", kill_on_drop: false }`
[INFO] [stdout] 3ef0192620c9b67981f1bf153582f2f770b768ad3f52d63b2e432c7ab92eaa45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c82fb57c5781aec3549818871c8f0a25ffdc8b01f7d2f401bf0e6cd74285ab53
[INFO] running `Command { std: "docker" "start" "-a" "c82fb57c5781aec3549818871c8f0a25ffdc8b01f7d2f401bf0e6cd74285ab53", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]     Checking bitflags v2.8.0
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking log v0.4.25
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking regex-lite v0.1.6
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking condtype v1.3.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-channel v0.5.14
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking kanal v0.1.0-pre8
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking bufchan v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking flume v0.11.1
[INFO] [stderr]     Checking terminal_size v0.4.1
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking clap_builder v4.5.29
[INFO] [stderr]     Checking clap v4.5.29
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]    Compiling divan-macros v0.1.17
[INFO] [stderr]    Compiling quickcheck_macros v1.0.0
[INFO] [stderr]     Checking divan v0.1.17
[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)]` 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 7.46s
[INFO] running `Command { std: "docker" "inspect" "c82fb57c5781aec3549818871c8f0a25ffdc8b01f7d2f401bf0e6cd74285ab53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c82fb57c5781aec3549818871c8f0a25ffdc8b01f7d2f401bf0e6cd74285ab53", kill_on_drop: false }`
[INFO] [stdout] c82fb57c5781aec3549818871c8f0a25ffdc8b01f7d2f401bf0e6cd74285ab53