[INFO] fetching crate burn 0.19.1...
[INFO] testing burn-0.19.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate burn 0.19.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate burn 0.19.1
[INFO] finished tweaking crates.io crate burn 0.19.1
[INFO] tweaked toml for crates.io crate burn 0.19.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate burn 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 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 531a39a7de73bdf193536be62173059edb6eeb3e2fda10fff953388334a0c309
[INFO] running `Command { std: "docker" "start" "-a" "531a39a7de73bdf193536be62173059edb6eeb3e2fda10fff953388334a0c309", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "531a39a7de73bdf193536be62173059edb6eeb3e2fda10fff953388334a0c309", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "531a39a7de73bdf193536be62173059edb6eeb3e2fda10fff953388334a0c309", kill_on_drop: false }`
[INFO] [stdout] 531a39a7de73bdf193536be62173059edb6eeb3e2fda10fff953388334a0c309
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5daf56ad62976b45aba3bbc055a61e2c7df80c8bb57356160a9b870cc76fa895
[INFO] running `Command { std: "docker" "start" "-a" "5daf56ad62976b45aba3bbc055a61e2c7df80c8bb57356160a9b870cc76fa895", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.20
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling cubecl-common v0.8.1
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling serde_bytes v0.11.19
[INFO] [stderr]    Compiling web-time v1.1.0
[INFO] [stderr]    Compiling embassy-futures v0.1.2
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling colored v3.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling data-encoding v2.9.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling spin v0.10.0
[INFO] [stderr]    Compiling flate2 v1.1.5
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling rmp v0.8.14
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling zerocopy-derive v0.8.27
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling derive-new v0.7.0
[INFO] [stderr]    Compiling burn-derive v0.19.1
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling bytemuck v1.24.0
[INFO] [stderr]    Compiling derive_more v2.0.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling rand_distr v0.5.1
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling rmp-serde v1.3.0
[INFO] [stderr]    Compiling bincode v2.0.1
[INFO] [stderr]    Compiling float8 v0.4.2
[INFO] [stderr]    Compiling cubecl-quant v0.8.1
[INFO] [stderr]    Compiling burn-common v0.19.1
[INFO] [stderr]    Compiling burn-tensor v0.19.1
[INFO] [stderr]    Compiling burn-core v0.19.1
[INFO] [stderr]    Compiling burn-optim v0.19.1
[INFO] [stderr]    Compiling burn-nn v0.19.1
[INFO] [stderr]    Compiling burn v0.19.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.13s
[INFO] running `Command { std: "docker" "inspect" "5daf56ad62976b45aba3bbc055a61e2c7df80c8bb57356160a9b870cc76fa895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5daf56ad62976b45aba3bbc055a61e2c7df80c8bb57356160a9b870cc76fa895", kill_on_drop: false }`
[INFO] [stdout] 5daf56ad62976b45aba3bbc055a61e2c7df80c8bb57356160a9b870cc76fa895
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f6c719ab8888f4be8bde3b637ea2ba18258b0307399dc43c93bce2c7bd170171
[INFO] running `Command { std: "docker" "start" "-a" "f6c719ab8888f4be8bde3b637ea2ba18258b0307399dc43c93bce2c7bd170171", kill_on_drop: false }`
[INFO] [stderr]    Compiling burn v0.19.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "f6c719ab8888f4be8bde3b637ea2ba18258b0307399dc43c93bce2c7bd170171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6c719ab8888f4be8bde3b637ea2ba18258b0307399dc43c93bce2c7bd170171", kill_on_drop: false }`
[INFO] [stdout] f6c719ab8888f4be8bde3b637ea2ba18258b0307399dc43c93bce2c7bd170171
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 363f93913aea68a42c4ede42cce6fa1272912e99f3fd0cba1a9c018e83c4c01b
[INFO] running `Command { std: "docker" "start" "-a" "363f93913aea68a42c4ede42cce6fa1272912e99f3fd0cba1a9c018e83c4c01b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/burn-5eae1da1d26d539f)
[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
[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" "363f93913aea68a42c4ede42cce6fa1272912e99f3fd0cba1a9c018e83c4c01b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "363f93913aea68a42c4ede42cce6fa1272912e99f3fd0cba1a9c018e83c4c01b", kill_on_drop: false }`
[INFO] [stdout] 363f93913aea68a42c4ede42cce6fa1272912e99f3fd0cba1a9c018e83c4c01b
