[INFO] updating cached repository https://github.com/atsushi130/perceptron
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] faa5fe3c75986bcab83ca02d6551b0a4ddca9c3c
[INFO] testing atsushi130/perceptron against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatsushi130%2Fperceptron" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/atsushi130/perceptron on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/atsushi130/perceptron
[INFO] finished tweaking git repo https://github.com/atsushi130/perceptron
[INFO] tweaked toml for git repo https://github.com/atsushi130/perceptron written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/atsushi130/perceptron already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d0db29a3584d9f15606e7e96ca4775fc50b60523ff0531a3389f8687d828d07
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6d0db29a3584d9f15606e7e96ca4775fc50b60523ff0531a3389f8687d828d07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d0db29a3584d9f15606e7e96ca4775fc50b60523ff0531a3389f8687d828d07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d0db29a3584d9f15606e7e96ca4775fc50b60523ff0531a3389f8687d828d07", kill_on_drop: false }`
[INFO] [stdout] 6d0db29a3584d9f15606e7e96ca4775fc50b60523ff0531a3389f8687d828d07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a186f09516dab31385a95527008433247ae13d4cce813723470bb68b7d8f417a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a186f09516dab31385a95527008433247ae13d4cce813723470bb68b7d8f417a", kill_on_drop: false }`
[INFO] [stderr]    Compiling perceptron v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/learner/perceptron/perceptron.rs:64:19
[INFO] [stdout]    |
[INFO] [stdout] 64 |         self.sign((x as f64))
[INFO] [stdout]    |                   ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/file_operator/file_operator.rs:45:70
[INFO] [stdout]    |
[INFO] [stdout] 45 |             Err(error) => panic!("Couldn't open {}: {}", &self.path, Error::description(&error))
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/file_operator/file_operator.rs:52:71
[INFO] [stdout]    |
[INFO] [stdout] 52 |             Err(error) => panic!("Not found line result. Reason: {}", Error::description(&error))
[INFO] [stdout]    |                                                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stdout]   --> src/file_operator/parser/tsv_parser.rs:11:37
[INFO] [stdout]    |
[INFO] [stdout] 11 |         let splits: Vec<_> = string.trim_right().split('\t').collect();
[INFO] [stdout]    |                                     ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "a186f09516dab31385a95527008433247ae13d4cce813723470bb68b7d8f417a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a186f09516dab31385a95527008433247ae13d4cce813723470bb68b7d8f417a", kill_on_drop: false }`
[INFO] [stdout] a186f09516dab31385a95527008433247ae13d4cce813723470bb68b7d8f417a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6882d12252bac045ca67b23d9ecdeb9285db73f0050a1570577e5db95c1b348e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6882d12252bac045ca67b23d9ecdeb9285db73f0050a1570577e5db95c1b348e", kill_on_drop: false }`
[INFO] [stderr]    Compiling perceptron v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/learner/perceptron/perceptron.rs:64:19
[INFO] [stdout]    |
[INFO] [stdout] 64 |         self.sign((x as f64))
[INFO] [stdout]    |                   ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/file_operator/file_operator.rs:45:70
[INFO] [stdout]    |
[INFO] [stdout] 45 |             Err(error) => panic!("Couldn't open {}: {}", &self.path, Error::description(&error))
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/file_operator/file_operator.rs:52:71
[INFO] [stdout]    |
[INFO] [stdout] 52 |             Err(error) => panic!("Not found line result. Reason: {}", Error::description(&error))
[INFO] [stdout]    |                                                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stdout]   --> src/file_operator/parser/tsv_parser.rs:11:37
[INFO] [stdout]    |
[INFO] [stdout] 11 |         let splits: Vec<_> = string.trim_right().split('\t').collect();
[INFO] [stdout]    |                                     ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "6882d12252bac045ca67b23d9ecdeb9285db73f0050a1570577e5db95c1b348e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6882d12252bac045ca67b23d9ecdeb9285db73f0050a1570577e5db95c1b348e", kill_on_drop: false }`
[INFO] [stdout] 6882d12252bac045ca67b23d9ecdeb9285db73f0050a1570577e5db95c1b348e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ee253c85ae96100462aa138ccc28166843fce36f6153e42895d3907a7600704b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ee253c85ae96100462aa138ccc28166843fce36f6153e42895d3907a7600704b", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/learner/perceptron/perceptron.rs:64:19
[INFO] [stderr]    |
[INFO] [stderr] 64 |         self.sign((x as f64))
[INFO] [stderr]    |                   ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/file_operator/file_operator.rs:45:70
[INFO] [stderr]    |
[INFO] [stderr] 45 |             Err(error) => panic!("Couldn't open {}: {}", &self.path, Error::description(&error))
[INFO] [stderr]    |                                                                      ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/file_operator/file_operator.rs:52:71
[INFO] [stderr]    |
[INFO] [stderr] 52 |             Err(error) => panic!("Not found line result. Reason: {}", Error::description(&error))
[INFO] [stderr]    |                                                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/file_operator/parser/tsv_parser.rs:11:37
[INFO] [stderr]    |
[INFO] [stderr] 11 |         let splits: Vec<_> = string.trim_right().split('\t').collect();
[INFO] [stderr]    |                                     ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/perceptron-4d02ef869192da03
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ee253c85ae96100462aa138ccc28166843fce36f6153e42895d3907a7600704b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee253c85ae96100462aa138ccc28166843fce36f6153e42895d3907a7600704b", kill_on_drop: false }`
[INFO] [stdout] ee253c85ae96100462aa138ccc28166843fce36f6153e42895d3907a7600704b