[INFO] fetching crate learntk 0.3.0...
[INFO] testing learntk-0.3.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate learntk 0.3.0 into /workspace/builds/worker-0-tc2/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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate learntk 0.3.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 39 packages to latest compatible versions
[INFO] [stderr]       Adding indicatif v0.17.11 (available: v0.18.4)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.10.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a249bd803e63f3882e505169cfdbe1ab529d27cf41a3b4f2652b2616e94d5ae
[INFO] running `Command { std: "docker" "start" "-a" "4a249bd803e63f3882e505169cfdbe1ab529d27cf41a3b4f2652b2616e94d5ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a249bd803e63f3882e505169cfdbe1ab529d27cf41a3b4f2652b2616e94d5ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a249bd803e63f3882e505169cfdbe1ab529d27cf41a3b4f2652b2616e94d5ae", kill_on_drop: false }`
[INFO] [stdout] 4a249bd803e63f3882e505169cfdbe1ab529d27cf41a3b4f2652b2616e94d5ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8781a1b43566a69b19d537a8dc2d350eb943a32d35a6ae6c6d17f82f3df9b1d1
[INFO] running `Command { std: "docker" "start" "-a" "8781a1b43566a69b19d537a8dc2d350eb943a32d35a6ae6c6d17f82f3df9b1d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.184
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling portable-atomic v1.13.1
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling console v0.15.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling indicatif v0.17.11
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling learntk v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.51s
[INFO] running `Command { std: "docker" "inspect" "8781a1b43566a69b19d537a8dc2d350eb943a32d35a6ae6c6d17f82f3df9b1d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8781a1b43566a69b19d537a8dc2d350eb943a32d35a6ae6c6d17f82f3df9b1d1", kill_on_drop: false }`
[INFO] [stdout] 8781a1b43566a69b19d537a8dc2d350eb943a32d35a6ae6c6d17f82f3df9b1d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b6cc33269086b4547cd5291116085e3ff0e26774083c2642cf9332e39f42434
[INFO] running `Command { std: "docker" "start" "-a" "5b6cc33269086b4547cd5291116085e3ff0e26774083c2642cf9332e39f42434", kill_on_drop: false }`
[INFO] [stderr]    Compiling learntk v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "5b6cc33269086b4547cd5291116085e3ff0e26774083c2642cf9332e39f42434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b6cc33269086b4547cd5291116085e3ff0e26774083c2642cf9332e39f42434", kill_on_drop: false }`
[INFO] [stdout] 5b6cc33269086b4547cd5291116085e3ff0e26774083c2642cf9332e39f42434
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 75a5cf07e52127cf69fc7e3c764a2b91cd33b48ea18e61e09f0dc6f9fd880c45
[INFO] running `Command { std: "docker" "start" "-a" "75a5cf07e52127cf69fc7e3c764a2b91cd33b48ea18e61e09f0dc6f9fd880c45", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/learntk-697806cf84261558)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test linalg::multiply_matrix_and_vector ... ok
[INFO] [stdout] test neural::evaluate_layer ... 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 14.38s
[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" "75a5cf07e52127cf69fc7e3c764a2b91cd33b48ea18e61e09f0dc6f9fd880c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75a5cf07e52127cf69fc7e3c764a2b91cd33b48ea18e61e09f0dc6f9fd880c45", kill_on_drop: false }`
[INFO] [stdout] 75a5cf07e52127cf69fc7e3c764a2b91cd33b48ea18e61e09f0dc6f9fd880c45