[INFO] cloning repository https://github.com/mavroprovato/rust-algorithms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mavroprovato/rust-algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmavroprovato%2Frust-algorithms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmavroprovato%2Frust-algorithms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f4dafeb76fbceaf9f0ce139139222609dfcff2a
[INFO] testing mavroprovato/rust-algorithms 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%2Fmavroprovato%2Frust-algorithms" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mavroprovato/rust-algorithms 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/mavroprovato/rust-algorithms
[INFO] finished tweaking git repo https://github.com/mavroprovato/rust-algorithms
[INFO] tweaked toml for git repo https://github.com/mavroprovato/rust-algorithms written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/mavroprovato/rust-algorithms 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] b3258d43ea0d59cd4b494bee3e4212898a1f8a57a26836c09b6fd1a44c582dba
[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" "b3258d43ea0d59cd4b494bee3e4212898a1f8a57a26836c09b6fd1a44c582dba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3258d43ea0d59cd4b494bee3e4212898a1f8a57a26836c09b6fd1a44c582dba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3258d43ea0d59cd4b494bee3e4212898a1f8a57a26836c09b6fd1a44c582dba", kill_on_drop: false }`
[INFO] [stdout] b3258d43ea0d59cd4b494bee3e4212898a1f8a57a26836c09b6fd1a44c582dba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3fbc29d718912a306f5de41e565994b1b9994f8c5a56d8d5eeb8b560eb6e2a28
[INFO] running `Command { std: "docker" "start" "-a" "3fbc29d718912a306f5de41e565994b1b9994f8c5a56d8d5eeb8b560eb6e2a28", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "3fbc29d718912a306f5de41e565994b1b9994f8c5a56d8d5eeb8b560eb6e2a28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fbc29d718912a306f5de41e565994b1b9994f8c5a56d8d5eeb8b560eb6e2a28", kill_on_drop: false }`
[INFO] [stdout] 3fbc29d718912a306f5de41e565994b1b9994f8c5a56d8d5eeb8b560eb6e2a28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 48287f7ca3e8bee0617c4ec42deb74d575633036177e951bdb2507e4e82b143e
[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" "48287f7ca3e8bee0617c4ec42deb74d575633036177e951bdb2507e4e82b143e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.25s
[INFO] running `Command { std: "docker" "inspect" "48287f7ca3e8bee0617c4ec42deb74d575633036177e951bdb2507e4e82b143e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48287f7ca3e8bee0617c4ec42deb74d575633036177e951bdb2507e4e82b143e", kill_on_drop: false }`
[INFO] [stdout] 48287f7ca3e8bee0617c4ec42deb74d575633036177e951bdb2507e4e82b143e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 15140cfaeb62ac889cb6029b51d75d01566ddb52fafe61187b8d6c9ece0b720b
[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" "15140cfaeb62ac889cb6029b51d75d01566ddb52fafe61187b8d6c9ece0b720b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_algorithms-47aad84c55229fc7
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/percolation-57139dee40e6eea4
[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] [stderr]      Running /opt/rustwide/target/debug/deps/tests-2d7deec6a490c468
[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] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test union_find::quick_find::quick_find_component_count ... ok
[INFO] [stdout] test union_find::quick_find::quick_find_union_already_connected ... ok
[INFO] [stdout] test union_find::quick_find::quick_find_union ... ok
[INFO] [stdout] test union_find::quick_union::quick_union_component_count ... ok
[INFO] [stdout] test union_find::weighted_quick_union::quick_union_union_already_connected ... ok
[INFO] [stdout] test union_find::weighted_quick_union::quick_union_union ... ok
[INFO] [stdout] test union_find::weighted_quick_union::quick_union_component_count ... ok
[INFO] [stdout] test union_find::quick_union::quick_union_union_already_connected ... ok
[INFO] [stdout] test union_find::quick_union::quick_union_union ... ok
[INFO] [stdout] test union_find::weighted_quick_union_path_compression::quick_union_component_count ... ok
[INFO] [stdout] test union_find::weighted_quick_union_path_compression::quick_union_union ... ok
[INFO] [stdout] test union_find::weighted_quick_union_path_compression::quick_union_union_already_connected ... ok
[INFO] [stdout] test union_find::weighted_quick_union::quick_union_out_of_bounds ... ok
[INFO] [stdout] test union_find::weighted_quick_union::quick_union_not_zero ... ok
[INFO] [stdout] test union_find::quick_union::quick_union_not_zero ... ok
[INFO] [stdout] test union_find::weighted_quick_union_path_compression::quick_union_out_of_bounds ... ok
[INFO] [stderr]    Doc-tests rust-algorithms
[INFO] [stdout] test union_find::weighted_quick_union_path_compression::quick_union_not_zero ... ok
[INFO] [stdout] test union_find::quick_union::quick_union_out_of_bounds ... ok
[INFO] [stdout] test union_find::quick_find::quick_find_out_of_bounds ... ok
[INFO] [stdout] test union_find::quick_find::quick_find_not_zero ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "15140cfaeb62ac889cb6029b51d75d01566ddb52fafe61187b8d6c9ece0b720b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15140cfaeb62ac889cb6029b51d75d01566ddb52fafe61187b8d6c9ece0b720b", kill_on_drop: false }`
[INFO] [stdout] 15140cfaeb62ac889cb6029b51d75d01566ddb52fafe61187b8d6c9ece0b720b