[INFO] cloning repository https://github.com/yakovs83/code_ninjas
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yakovs83/code_ninjas" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyakovs83%2Fcode_ninjas", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyakovs83%2Fcode_ninjas'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b6f01d7ab6411487fc6d7b22b6af74e580617c3
[INFO] testing yakovs83/code_ninjas against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyakovs83%2Fcode_ninjas" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yakovs83/code_ninjas on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yakovs83/code_ninjas
[INFO] finished tweaking git repo https://github.com/yakovs83/code_ninjas
[INFO] tweaked toml for git repo https://github.com/yakovs83/code_ninjas written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/yakovs83/code_ninjas already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65a13997ba47fc2dad2c1c515ed44258df7cc07f705b4239e055617fe667d6ce
[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" "65a13997ba47fc2dad2c1c515ed44258df7cc07f705b4239e055617fe667d6ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65a13997ba47fc2dad2c1c515ed44258df7cc07f705b4239e055617fe667d6ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65a13997ba47fc2dad2c1c515ed44258df7cc07f705b4239e055617fe667d6ce", kill_on_drop: false }`
[INFO] [stdout] 65a13997ba47fc2dad2c1c515ed44258df7cc07f705b4239e055617fe667d6ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f0a9e17b8d6d84912a2cd9d77754ca310dec89069e9dc0c2a9bf858671abae6
[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" "1f0a9e17b8d6d84912a2cd9d77754ca310dec89069e9dc0c2a9bf858671abae6", kill_on_drop: false }`
[INFO] [stderr]    Compiling code_ninjas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `in2`
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let in2 = vec![3, 4, 5, 4];
[INFO] [stdout]   |         ^^^ help: if this is intentional, prefix it with an underscore: `_in2`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `in3`
[INFO] [stdout]  --> src/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let in3 = vec![3, 4, 6, 4, 5];
[INFO] [stdout]   |         ^^^ help: if this is intentional, prefix it with an underscore: `_in3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "1f0a9e17b8d6d84912a2cd9d77754ca310dec89069e9dc0c2a9bf858671abae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f0a9e17b8d6d84912a2cd9d77754ca310dec89069e9dc0c2a9bf858671abae6", kill_on_drop: false }`
[INFO] [stdout] 1f0a9e17b8d6d84912a2cd9d77754ca310dec89069e9dc0c2a9bf858671abae6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 787ebb035798e4902295db731211e99f86c5d9f467607ec6ff87a50e43807017
[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" "787ebb035798e4902295db731211e99f86c5d9f467607ec6ff87a50e43807017", kill_on_drop: false }`
[INFO] [stderr]    Compiling code_ninjas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `in2`
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let in2 = vec![3, 4, 5, 4];
[INFO] [stdout]   |         ^^^ help: if this is intentional, prefix it with an underscore: `_in2`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `in3`
[INFO] [stdout]  --> src/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let in3 = vec![3, 4, 6, 4, 5];
[INFO] [stdout]   |         ^^^ help: if this is intentional, prefix it with an underscore: `_in3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "787ebb035798e4902295db731211e99f86c5d9f467607ec6ff87a50e43807017", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "787ebb035798e4902295db731211e99f86c5d9f467607ec6ff87a50e43807017", kill_on_drop: false }`
[INFO] [stdout] 787ebb035798e4902295db731211e99f86c5d9f467607ec6ff87a50e43807017
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ec29a31dac5547a9491d47b368a1166fe47db65dec6425b0857e7496f35f97de
[INFO] running `Command { std: "docker" "start" "-a" "ec29a31dac5547a9491d47b368a1166fe47db65dec6425b0857e7496f35f97de", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `in2`
[INFO] [stderr]  --> src/main.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let in2 = vec![3, 4, 5, 4];
[INFO] [stderr]   |         ^^^ help: if this is intentional, prefix it with an underscore: `_in2`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `in3`
[INFO] [stderr]  --> src/main.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let in3 = vec![3, 4, 6, 4, 5];
[INFO] [stderr]   |         ^^^ help: if this is intentional, prefix it with an underscore: `_in3`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test set1::better_view::tests::left_edge_one_option ... ok
[INFO] [stdout] test set1::better_view::tests::one_tree ... ok
[INFO] [stdout] test set1::better_view::tests::right_edge_one_option ... ok
[INFO] [stdout] test set1::netting::tests::simple_netting ... ok
[INFO] [stdout] test set1::sort_segments::tests::discontious_path ... ok
[INFO] [stdout] test set1::sort_segments::tests::two_segments_one_destination_longer ... ok
[INFO] [stdout] test set1::sort_segments::tests::longer_loop ... ok
[INFO] [stdout] test set1::sort_segments::tests::end_loop ... ok
[INFO] [stdout] test set1::sort_segments::tests::empty ... ok
[INFO] [stdout] test set1::better_view::tests::two_trees ... ok
[INFO] [stdout] test set1::better_view::tests::right_edge_two_options ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/code_ninjas-c754aa3861449017
[INFO] [stdout] test set1::better_view::tests::middle_one_option ... ok
[INFO] [stdout] test set1::better_view::tests::left_edge_two_options ... ok
[INFO] [stdout] test set1::sort_segments::tests::simple_path ... ok
[INFO] [stdout] test set1::better_view::tests::no_trees ... ok
[INFO] [stdout] test set1::sort_segments::tests::trivial_loop ... ok
[INFO] [stdout] test set1::sort_segments::tests::two_segments_one_destination ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/code_ninjas-6c88e076a5e9efea
[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] [stderr]    Doc-tests code_ninjas
[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" "ec29a31dac5547a9491d47b368a1166fe47db65dec6425b0857e7496f35f97de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec29a31dac5547a9491d47b368a1166fe47db65dec6425b0857e7496f35f97de", kill_on_drop: false }`
[INFO] [stdout] ec29a31dac5547a9491d47b368a1166fe47db65dec6425b0857e7496f35f97de