[INFO] fetching crate burn-communication 0.19.1...
[INFO] testing burn-communication-0.19.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate burn-communication 0.19.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate burn-communication 0.19.1
[INFO] finished tweaking crates.io crate burn-communication 0.19.1
[INFO] tweaked toml for crates.io crate burn-communication 0.19.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate burn-communication 0.19.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate burn-communication 0.19.1 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 115bb900303b70c8a0c9b32e2b6fe12bf2c4b933c424891beea67e375173058a
[INFO] running `Command { std: "docker" "start" "-a" "115bb900303b70c8a0c9b32e2b6fe12bf2c4b933c424891beea67e375173058a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "115bb900303b70c8a0c9b32e2b6fe12bf2c4b933c424891beea67e375173058a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "115bb900303b70c8a0c9b32e2b6fe12bf2c4b933c424891beea67e375173058a", kill_on_drop: false }`
[INFO] [stdout] 115bb900303b70c8a0c9b32e2b6fe12bf2c4b933c424891beea67e375173058a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a49e6ff8ccddc84fa38babb8c042302ea3cc96225c94d9f1a80c11c2346f0447
[INFO] running `Command { std: "docker" "start" "-a" "a49e6ff8ccddc84fa38babb8c042302ea3cc96225c94d9f1a80c11c2346f0447", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.20
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling cubecl-common v0.8.1
[INFO] [stderr]    Compiling spin v0.10.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling serde_bytes v0.11.19
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling embassy-futures v0.1.2
[INFO] [stderr]    Compiling tracing-subscriber v0.3.20
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling rmp v0.8.14
[INFO] [stderr]    Compiling zerocopy-derive v0.8.27
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling derive-new v0.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling bytemuck v1.24.0
[INFO] [stderr]    Compiling derive_more v2.0.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling rmp-serde v1.3.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling tokio-util v0.7.16
[INFO] [stderr]    Compiling burn-common v0.19.1
[INFO] [stderr]    Compiling burn-communication v0.19.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `init_logging` is never used
[INFO] [stdout]   --> src/util.rs:31:15
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub(crate) fn init_logging() {
[INFO] [stdout]    |               ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.73s
[INFO] running `Command { std: "docker" "inspect" "a49e6ff8ccddc84fa38babb8c042302ea3cc96225c94d9f1a80c11c2346f0447", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a49e6ff8ccddc84fa38babb8c042302ea3cc96225c94d9f1a80c11c2346f0447", kill_on_drop: false }`
[INFO] [stdout] a49e6ff8ccddc84fa38babb8c042302ea3cc96225c94d9f1a80c11c2346f0447
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d97c69502dca39bfc7f306a0196199f3b02bead5fd04b5cbd5aca4cdb3f8eb3
[INFO] running `Command { std: "docker" "start" "-a" "9d97c69502dca39bfc7f306a0196199f3b02bead5fd04b5cbd5aca4cdb3f8eb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling burn-communication v0.19.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `init_logging` is never used
[INFO] [stdout]   --> src/util.rs:31:15
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub(crate) fn init_logging() {
[INFO] [stdout]    |               ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `init_logging` is never used
[INFO] [stdout]   --> src/util.rs:31:15
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub(crate) fn init_logging() {
[INFO] [stdout]    |               ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "9d97c69502dca39bfc7f306a0196199f3b02bead5fd04b5cbd5aca4cdb3f8eb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d97c69502dca39bfc7f306a0196199f3b02bead5fd04b5cbd5aca4cdb3f8eb3", kill_on_drop: false }`
[INFO] [stdout] 9d97c69502dca39bfc7f306a0196199f3b02bead5fd04b5cbd5aca4cdb3f8eb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 806db2924684d7ecedee4ebc15bbc76cd267c27fcf2b6064b16849984e6a62dc
[INFO] running `Command { std: "docker" "start" "-a" "806db2924684d7ecedee4ebc15bbc76cd267c27fcf2b6064b16849984e6a62dc", kill_on_drop: false }`
[INFO] [stderr] warning: function `init_logging` is never used
[INFO] [stderr]   --> src/util.rs:31:15
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub(crate) fn init_logging() {
[INFO] [stderr]    |               ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `burn-communication` (lib) generated 1 warning
[INFO] [stderr] warning: `burn-communication` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/burn_communication-aa19c34c881530f3)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests burn_communication
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "806db2924684d7ecedee4ebc15bbc76cd267c27fcf2b6064b16849984e6a62dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "806db2924684d7ecedee4ebc15bbc76cd267c27fcf2b6064b16849984e6a62dc", kill_on_drop: false }`
[INFO] [stdout] 806db2924684d7ecedee4ebc15bbc76cd267c27fcf2b6064b16849984e6a62dc