[INFO] fetching crate learntk 0.3.0...
[INFO] testing learntk-0.3.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate learntk 0.3.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate learntk 0.3.0
[INFO] finished tweaking crates.io crate learntk 0.3.0
[INFO] tweaked toml for crates.io crate learntk 0.3.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate learntk 0.3.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 39 packages to latest compatible versions
[INFO] [stderr]       Adding indicatif v0.17.11 (available: v0.18.3)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a565ae69a51bcdfdec7c16c20857c755d9a8e770fbf5182a7ccdf8c8ba749d7
[INFO] running `Command { std: "docker" "start" "-a" "4a565ae69a51bcdfdec7c16c20857c755d9a8e770fbf5182a7ccdf8c8ba749d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a565ae69a51bcdfdec7c16c20857c755d9a8e770fbf5182a7ccdf8c8ba749d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a565ae69a51bcdfdec7c16c20857c755d9a8e770fbf5182a7ccdf8c8ba749d7", kill_on_drop: false }`
[INFO] [stdout] 4a565ae69a51bcdfdec7c16c20857c755d9a8e770fbf5182a7ccdf8c8ba749d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24ecefc1150db2fc17144943dcb1f4902e66456f4bcba25e7734e2938616da47
[INFO] running `Command { std: "docker" "start" "-a" "24ecefc1150db2fc17144943dcb1f4902e66456f4bcba25e7734e2938616da47", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling console v0.15.11
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling indicatif v0.17.11
[INFO] [stderr]    Compiling learntk v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.09s
[INFO] running `Command { std: "docker" "inspect" "24ecefc1150db2fc17144943dcb1f4902e66456f4bcba25e7734e2938616da47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24ecefc1150db2fc17144943dcb1f4902e66456f4bcba25e7734e2938616da47", kill_on_drop: false }`
[INFO] [stdout] 24ecefc1150db2fc17144943dcb1f4902e66456f4bcba25e7734e2938616da47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 503ec0a6bb7784465e40d516d91eed7336009134236df7c51bfa8bdb0958429c
[INFO] running `Command { std: "docker" "start" "-a" "503ec0a6bb7784465e40d516d91eed7336009134236df7c51bfa8bdb0958429c", kill_on_drop: false }`
[INFO] [stderr]    Compiling learntk v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "503ec0a6bb7784465e40d516d91eed7336009134236df7c51bfa8bdb0958429c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "503ec0a6bb7784465e40d516d91eed7336009134236df7c51bfa8bdb0958429c", kill_on_drop: false }`
[INFO] [stdout] 503ec0a6bb7784465e40d516d91eed7336009134236df7c51bfa8bdb0958429c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 254681c5a05f3890845e8114b51d442dcec5fffecf018139ded92748c7391dd8
[INFO] running `Command { std: "docker" "start" "-a" "254681c5a05f3890845e8114b51d442dcec5fffecf018139ded92748c7391dd8", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/learntk-c38f8cb6bb98ceba)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test neural::evaluate_layer ... ok
[INFO] [stdout] test linalg::multiply_matrix_and_vector ... ok
[INFO] [stdout] test neural::import_dataset ... ok
[INFO] [stdout] test neural::train_network ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 14.69s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests learntk
[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" "254681c5a05f3890845e8114b51d442dcec5fffecf018139ded92748c7391dd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "254681c5a05f3890845e8114b51d442dcec5fffecf018139ded92748c7391dd8", kill_on_drop: false }`
[INFO] [stdout] 254681c5a05f3890845e8114b51d442dcec5fffecf018139ded92748c7391dd8