[INFO] fetching crate liblearn 0.1.1...
[INFO] testing liblearn-0.1.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate liblearn 0.1.1 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate liblearn 0.1.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate liblearn 0.1.1
[INFO] finished tweaking crates.io crate liblearn 0.1.1
[INFO] tweaked toml for crates.io crate liblearn 0.1.1 written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d1b9f6b75e7c0f1da569b250dcb57dfe1aec89e1ab37fe4dd1d1bd19beb142e
[INFO] running `Command { std: "docker" "start" "-a" "7d1b9f6b75e7c0f1da569b250dcb57dfe1aec89e1ab37fe4dd1d1bd19beb142e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d1b9f6b75e7c0f1da569b250dcb57dfe1aec89e1ab37fe4dd1d1bd19beb142e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d1b9f6b75e7c0f1da569b250dcb57dfe1aec89e1ab37fe4dd1d1bd19beb142e", kill_on_drop: false }`
[INFO] [stdout] 7d1b9f6b75e7c0f1da569b250dcb57dfe1aec89e1ab37fe4dd1d1bd19beb142e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36a971de9070acf955ea29857b44684a31d587a539d2bbdb0709fec27b9682c4
[INFO] running `Command { std: "docker" "start" "-a" "36a971de9070acf955ea29857b44684a31d587a539d2bbdb0709fec27b9682c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling liblearn v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "36a971de9070acf955ea29857b44684a31d587a539d2bbdb0709fec27b9682c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36a971de9070acf955ea29857b44684a31d587a539d2bbdb0709fec27b9682c4", kill_on_drop: false }`
[INFO] [stdout] 36a971de9070acf955ea29857b44684a31d587a539d2bbdb0709fec27b9682c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ef0340ee7e8a950127dbfd591168b2e874cf023fc8db4faffc2628ca6eb7980
[INFO] running `Command { std: "docker" "start" "-a" "9ef0340ee7e8a950127dbfd591168b2e874cf023fc8db4faffc2628ca6eb7980", kill_on_drop: false }`
[INFO] [stderr]    Compiling liblearn v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/liblearn-8ceab923b3bf2759)
[INFO] running `Command { std: "docker" "inspect" "9ef0340ee7e8a950127dbfd591168b2e874cf023fc8db4faffc2628ca6eb7980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ef0340ee7e8a950127dbfd591168b2e874cf023fc8db4faffc2628ca6eb7980", kill_on_drop: false }`
[INFO] [stdout] 9ef0340ee7e8a950127dbfd591168b2e874cf023fc8db4faffc2628ca6eb7980
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7fdd4d35bc8c1049b2c0a217164f90491aaca6905de26b69ac0ce2a776c3c151
[INFO] running `Command { std: "docker" "start" "-a" "7fdd4d35bc8c1049b2c0a217164f90491aaca6905de26b69ac0ce2a776c3c151", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/liblearn-8ceab923b3bf2759)
[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] [stderr]    Doc-tests liblearn
[INFO] [stdout] 
[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" "7fdd4d35bc8c1049b2c0a217164f90491aaca6905de26b69ac0ce2a776c3c151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fdd4d35bc8c1049b2c0a217164f90491aaca6905de26b69ac0ce2a776c3c151", kill_on_drop: false }`
[INFO] [stdout] 7fdd4d35bc8c1049b2c0a217164f90491aaca6905de26b69ac0ce2a776c3c151