[INFO] fetching crate machine_learning 0.1.1...
[INFO] testing machine_learning-0.1.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate machine_learning 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate machine_learning 0.1.1
[INFO] finished tweaking crates.io crate machine_learning 0.1.1
[INFO] tweaked toml for crates.io crate machine_learning 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate machine_learning 0.1.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31d9fe41b9b6bc63f63c6e99b13ae184a82f87b114872f1231b3ef09f18b9564
[INFO] running `Command { std: "docker" "start" "-a" "31d9fe41b9b6bc63f63c6e99b13ae184a82f87b114872f1231b3ef09f18b9564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31d9fe41b9b6bc63f63c6e99b13ae184a82f87b114872f1231b3ef09f18b9564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31d9fe41b9b6bc63f63c6e99b13ae184a82f87b114872f1231b3ef09f18b9564", kill_on_drop: false }`
[INFO] [stdout] 31d9fe41b9b6bc63f63c6e99b13ae184a82f87b114872f1231b3ef09f18b9564
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0da7f5175218b1ec45dc94c0c5fbc2aba157c2de666b81d48972148b9ec51bff
[INFO] running `Command { std: "docker" "start" "-a" "0da7f5175218b1ec45dc94c0c5fbc2aba157c2de666b81d48972148b9ec51bff", kill_on_drop: false }`
[INFO] [stderr]    Compiling machine_learning v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "0da7f5175218b1ec45dc94c0c5fbc2aba157c2de666b81d48972148b9ec51bff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0da7f5175218b1ec45dc94c0c5fbc2aba157c2de666b81d48972148b9ec51bff", kill_on_drop: false }`
[INFO] [stdout] 0da7f5175218b1ec45dc94c0c5fbc2aba157c2de666b81d48972148b9ec51bff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e75b87ed0397561c78d7f4a82fee5dc56956dbc6f28e0e4628534a8bec8fdbc
[INFO] running `Command { std: "docker" "start" "-a" "1e75b87ed0397561c78d7f4a82fee5dc56956dbc6f28e0e4628534a8bec8fdbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling machine_learning v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "1e75b87ed0397561c78d7f4a82fee5dc56956dbc6f28e0e4628534a8bec8fdbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e75b87ed0397561c78d7f4a82fee5dc56956dbc6f28e0e4628534a8bec8fdbc", kill_on_drop: false }`
[INFO] [stdout] 1e75b87ed0397561c78d7f4a82fee5dc56956dbc6f28e0e4628534a8bec8fdbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0fb11af3a13f6d905257c6026341df9c42614bd66d68afd5282d3d48fdffcb0e
[INFO] running `Command { std: "docker" "start" "-a" "0fb11af3a13f6d905257c6026341df9c42614bd66d68afd5282d3d48fdffcb0e", 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/machine_learning-2a59d284743052e3)
[INFO] [stderr]    Doc-tests machine_learning
[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] [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" "0fb11af3a13f6d905257c6026341df9c42614bd66d68afd5282d3d48fdffcb0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fb11af3a13f6d905257c6026341df9c42614bd66d68afd5282d3d48fdffcb0e", kill_on_drop: false }`
[INFO] [stdout] 0fb11af3a13f6d905257c6026341df9c42614bd66d68afd5282d3d48fdffcb0e