[INFO] cloning repository https://github.com/tiberiusferreira/onnx-experiment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tiberiusferreira/onnx-experiment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiberiusferreira%2Fonnx-experiment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiberiusferreira%2Fonnx-experiment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f7d8d8532d85cd96d2950c73952c02cc037d8486
[INFO] testing tiberiusferreira/onnx-experiment against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiberiusferreira%2Fonnx-experiment" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tiberiusferreira/onnx-experiment on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tiberiusferreira/onnx-experiment
[INFO] finished tweaking git repo https://github.com/tiberiusferreira/onnx-experiment
[INFO] tweaked toml for git repo https://github.com/tiberiusferreira/onnx-experiment written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/tiberiusferreira/onnx-experiment already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mnist v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 978a6eabd6b97e729874d976bfb9978e9fcab1d93698aa18f6d2ddf38d4ff289
[INFO] running `Command { std: "docker" "start" "-a" "978a6eabd6b97e729874d976bfb9978e9fcab1d93698aa18f6d2ddf38d4ff289", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "978a6eabd6b97e729874d976bfb9978e9fcab1d93698aa18f6d2ddf38d4ff289", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "978a6eabd6b97e729874d976bfb9978e9fcab1d93698aa18f6d2ddf38d4ff289", kill_on_drop: false }`
[INFO] [stdout] 978a6eabd6b97e729874d976bfb9978e9fcab1d93698aa18f6d2ddf38d4ff289
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f008556d889c5fba9f3570f1354ff72c43679d606d17f4a935d52e73ee5b9fed
[INFO] running `Command { std: "docker" "start" "-a" "f008556d889c5fba9f3570f1354ff72c43679d606d17f4a935d52e73ee5b9fed", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling unicode-segmentation v1.7.0
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling multimap v0.8.2
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling mnist v0.4.1
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling onnx-experiment v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Mnist`
[INFO] [stdout]  --> src/main.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use mnist::{Mnist, MnistBuilder, NormalizedMnist};
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rows`
[INFO] [stdout]   --> src/main.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let (trn_size, rows, cols) = (50_000, 28, 28);
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_rows`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cols`
[INFO] [stdout]   --> src/main.rs:23:26
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let (trn_size, rows, cols) = (50_000, 28, 28);
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_cols`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.11s
[INFO] running `Command { std: "docker" "inspect" "f008556d889c5fba9f3570f1354ff72c43679d606d17f4a935d52e73ee5b9fed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f008556d889c5fba9f3570f1354ff72c43679d606d17f4a935d52e73ee5b9fed", kill_on_drop: false }`
[INFO] [stdout] f008556d889c5fba9f3570f1354ff72c43679d606d17f4a935d52e73ee5b9fed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a17187d489525c44f37c22969dfd403341dac3cd9cb78a6506a81fceb66dcddb
[INFO] running `Command { std: "docker" "start" "-a" "a17187d489525c44f37c22969dfd403341dac3cd9cb78a6506a81fceb66dcddb", kill_on_drop: false }`
[INFO] [stderr]    Compiling onnx-experiment v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Mnist`
[INFO] [stdout]  --> src/main.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use mnist::{Mnist, MnistBuilder, NormalizedMnist};
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rows`
[INFO] [stdout]   --> src/main.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let (trn_size, rows, cols) = (50_000, 28, 28);
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_rows`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cols`
[INFO] [stdout]   --> src/main.rs:23:26
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let (trn_size, rows, cols) = (50_000, 28, 28);
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_cols`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "a17187d489525c44f37c22969dfd403341dac3cd9cb78a6506a81fceb66dcddb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a17187d489525c44f37c22969dfd403341dac3cd9cb78a6506a81fceb66dcddb", kill_on_drop: false }`
[INFO] [stdout] a17187d489525c44f37c22969dfd403341dac3cd9cb78a6506a81fceb66dcddb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f694520e2ac17ddfee0d3e454b363054a87961873f3462c1e525531c773d8930
[INFO] running `Command { std: "docker" "start" "-a" "f694520e2ac17ddfee0d3e454b363054a87961873f3462c1e525531c773d8930", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `Mnist`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:1:13
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 1 | use mnist::{Mnist, MnistBuilder, NormalizedMnist};
[INFO] [stdout] 
[INFO] [stderr]   |             ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rows`
[INFO] [stderr]   --> src/main.rs:23:20
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let (trn_size, rows, cols) = (50_000, 28, 28);
[INFO] [stderr]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_rows`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cols`
[INFO] [stderr]   --> src/main.rs:23:26
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let (trn_size, rows, cols) = (50_000, 28, 28);
[INFO] [stderr]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_cols`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/onnx_experiment-dca4e737a4b70c47)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/onnx_experiment-85abb22393fb2366)
[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 onnx-experiment
[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" "f694520e2ac17ddfee0d3e454b363054a87961873f3462c1e525531c773d8930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f694520e2ac17ddfee0d3e454b363054a87961873f3462c1e525531c773d8930", kill_on_drop: false }`
[INFO] [stdout] f694520e2ac17ddfee0d3e454b363054a87961873f3462c1e525531c773d8930