[INFO] cloning repository https://github.com/ljt019/candle_mnist_cnn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ljt019/candle_mnist_cnn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fljt019%2Fcandle_mnist_cnn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fljt019%2Fcandle_mnist_cnn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b453a59b0ebadcbda528895559b3b66e7b396380
[INFO] testing ljt019/candle_mnist_cnn against master#99b9a8850349e56247acb6ce19910c7f96db8439 for pr-135527-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fljt019%2Fcandle_mnist_cnn" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ljt019/candle_mnist_cnn
[INFO] finished tweaking git repo https://github.com/ljt019/candle_mnist_cnn
[INFO] tweaked toml for git repo https://github.com/ljt019/candle_mnist_cnn written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ljt019/candle_mnist_cnn on toolchain 99b9a8850349e56247acb6ce19910c7f96db8439
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+99b9a8850349e56247acb6ce19910c7f96db8439" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ljt019/candle_mnist_cnn 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" "+99b9a8850349e56247acb6ce19910c7f96db8439" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+99b9a8850349e56247acb6ce19910c7f96db8439" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 482d0eeb1bc8124bdc329353dfe69cfe6a9037d9b2d69d53071a3e4edb1e69a0
[INFO] running `Command { std: "docker" "start" "-a" "482d0eeb1bc8124bdc329353dfe69cfe6a9037d9b2d69d53071a3e4edb1e69a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "482d0eeb1bc8124bdc329353dfe69cfe6a9037d9b2d69d53071a3e4edb1e69a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "482d0eeb1bc8124bdc329353dfe69cfe6a9037d9b2d69d53071a3e4edb1e69a0", kill_on_drop: false }`
[INFO] [stdout] 482d0eeb1bc8124bdc329353dfe69cfe6a9037d9b2d69d53071a3e4edb1e69a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+99b9a8850349e56247acb6ce19910c7f96db8439" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a9010a3c10e57dea793007ad141b9a54ddec8b6cd33cac49d06d4e340553705
[INFO] running `Command { std: "docker" "start" "-a" "3a9010a3c10e57dea793007ad141b9a54ddec8b6cd33cac49d06d4e340553705", kill_on_drop: false }`
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[INFO] [stdout] warning: method `train` is never used
[INFO] [stdout]   --> src/model.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl ConvNet {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 89 |     pub fn train(
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TrainingArgs` is never constructed
[INFO] [stdout]    --> src/model.rs:208:12
[INFO] [stdout]     |
[INFO] [stdout] 208 | pub struct TrainingArgs {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 28s
[INFO] running `Command { std: "docker" "inspect" "3a9010a3c10e57dea793007ad141b9a54ddec8b6cd33cac49d06d4e340553705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a9010a3c10e57dea793007ad141b9a54ddec8b6cd33cac49d06d4e340553705", kill_on_drop: false }`
[INFO] [stdout] 3a9010a3c10e57dea793007ad141b9a54ddec8b6cd33cac49d06d4e340553705
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+99b9a8850349e56247acb6ce19910c7f96db8439" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f6be80118d124ac30d0b42d10a12c5793bcd45dbf0bb808b8458b6bc303c5e0
[INFO] running `Command { std: "docker" "start" "-a" "1f6be80118d124ac30d0b42d10a12c5793bcd45dbf0bb808b8458b6bc303c5e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling temp_ai v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `train` is never used
[INFO] [stdout]   --> src/model.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl ConvNet {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 89 |     pub fn train(
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TrainingArgs` is never constructed
[INFO] [stdout]    --> src/model.rs:208:12
[INFO] [stdout]     |
[INFO] [stdout] 208 | pub struct TrainingArgs {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "1f6be80118d124ac30d0b42d10a12c5793bcd45dbf0bb808b8458b6bc303c5e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f6be80118d124ac30d0b42d10a12c5793bcd45dbf0bb808b8458b6bc303c5e0", kill_on_drop: false }`
[INFO] [stdout] 1f6be80118d124ac30d0b42d10a12c5793bcd45dbf0bb808b8458b6bc303c5e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+99b9a8850349e56247acb6ce19910c7f96db8439" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ad714c88432ea7340f01b19638d3b863752083cbca5dd4ebdaffe6b82f387ecf
[INFO] running `Command { std: "docker" "start" "-a" "ad714c88432ea7340f01b19638d3b863752083cbca5dd4ebdaffe6b82f387ecf", kill_on_drop: false }`
[INFO] [stderr] warning: method `train` is never used
[INFO] [stderr]   --> src/model.rs:89:12
[INFO] [stderr]    |
[INFO] [stderr] 19 | impl ConvNet {
[INFO] [stderr]    | ------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 89 |     pub fn train(
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `TrainingArgs` is never constructed
[INFO] [stderr]    --> src/model.rs:208:12
[INFO] [stderr]     |
[INFO] [stderr] 208 | pub struct TrainingArgs {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `temp_ai` (bin "temp_ai" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/temp_ai-f29ade008314b9d0)
[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" "ad714c88432ea7340f01b19638d3b863752083cbca5dd4ebdaffe6b82f387ecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad714c88432ea7340f01b19638d3b863752083cbca5dd4ebdaffe6b82f387ecf", kill_on_drop: false }`
[INFO] [stdout] ad714c88432ea7340f01b19638d3b863752083cbca5dd4ebdaffe6b82f387ecf