[INFO] cloning repository https://github.com/skoji/ml-rust-sandbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skoji/ml-rust-sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskoji%2Fml-rust-sandbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskoji%2Fml-rust-sandbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca6455563e9e1970c3a334fa3919741b300c915b
[INFO] testing skoji/ml-rust-sandbox against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskoji%2Fml-rust-sandbox" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/skoji/ml-rust-sandbox
[INFO] finished tweaking git repo https://github.com/skoji/ml-rust-sandbox
[INFO] tweaked toml for git repo https://github.com/skoji/ml-rust-sandbox written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/skoji/ml-rust-sandbox on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/skoji/ml-rust-sandbox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt v0.3.11
[INFO] [stderr]   Downloaded proc-macro-error-attr v0.4.11
[INFO] [stderr]   Downloaded structopt-derive v0.4.4
[INFO] [stderr]   Downloaded hermit-abi v0.1.8
[INFO] [stderr]   Downloaded quote v1.0.3
[INFO] [stderr]   Downloaded proc-macro-error v0.4.11
[INFO] [stderr]   Downloaded proc-macro2 v1.0.9
[INFO] [stderr]   Downloaded syn v1.0.16
[INFO] [stderr]   Downloaded libc v0.2.67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc86ac54325dbff8f42234bb9061466d0fb9b8d59b83d84179846c792deeea31
[INFO] running `Command { std: "docker" "start" "-a" "fc86ac54325dbff8f42234bb9061466d0fb9b8d59b83d84179846c792deeea31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc86ac54325dbff8f42234bb9061466d0fb9b8d59b83d84179846c792deeea31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc86ac54325dbff8f42234bb9061466d0fb9b8d59b83d84179846c792deeea31", kill_on_drop: false }`
[INFO] [stdout] fc86ac54325dbff8f42234bb9061466d0fb9b8d59b83d84179846c792deeea31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abba4f7ed5c2e714e6bfb2c70585ea0f8694f1626d23e3930f28cce30711f643
[INFO] running `Command { std: "docker" "start" "-a" "abba4f7ed5c2e714e6bfb2c70585ea0f8694f1626d23e3930f28cce30711f643", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.11
[INFO] [stderr]    Compiling proc-macro-error v0.4.11
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.4
[INFO] [stderr]    Compiling structopt v0.3.11
[INFO] [stderr]    Compiling ml-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.41s
[INFO] running `Command { std: "docker" "inspect" "abba4f7ed5c2e714e6bfb2c70585ea0f8694f1626d23e3930f28cce30711f643", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abba4f7ed5c2e714e6bfb2c70585ea0f8694f1626d23e3930f28cce30711f643", kill_on_drop: false }`
[INFO] [stdout] abba4f7ed5c2e714e6bfb2c70585ea0f8694f1626d23e3930f28cce30711f643
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a95640d7ab27071e9e94de09dd7626a51c01633f53d3cead8e7d270f75879fc
[INFO] running `Command { std: "docker" "start" "-a" "9a95640d7ab27071e9e94de09dd7626a51c01633f53d3cead8e7d270f75879fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling ml-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "9a95640d7ab27071e9e94de09dd7626a51c01633f53d3cead8e7d270f75879fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a95640d7ab27071e9e94de09dd7626a51c01633f53d3cead8e7d270f75879fc", kill_on_drop: false }`
[INFO] [stdout] 9a95640d7ab27071e9e94de09dd7626a51c01633f53d3cead8e7d270f75879fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 72708fae08619c2505dd00da97f62f5f22c85fb68816b8ae487eebb4f4ebd617
[INFO] running `Command { std: "docker" "start" "-a" "72708fae08619c2505dd00da97f62f5f22c85fb68816b8ae487eebb4f4ebd617", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ml_rust-efa8c73667ab3a5b)
[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" "72708fae08619c2505dd00da97f62f5f22c85fb68816b8ae487eebb4f4ebd617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72708fae08619c2505dd00da97f62f5f22c85fb68816b8ae487eebb4f4ebd617", kill_on_drop: false }`
[INFO] [stdout] 72708fae08619c2505dd00da97f62f5f22c85fb68816b8ae487eebb4f4ebd617