[INFO] cloning repository https://github.com/s7jones/Rust-Wondrous-Numbers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/s7jones/Rust-Wondrous-Numbers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fs7jones%2FRust-Wondrous-Numbers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fs7jones%2FRust-Wondrous-Numbers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9896f74b7d1e710e701447ad5fa0e23dd6621493
[INFO] testing s7jones/Rust-Wondrous-Numbers 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%2Fs7jones%2FRust-Wondrous-Numbers" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/s7jones/Rust-Wondrous-Numbers 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/s7jones/Rust-Wondrous-Numbers
[INFO] finished tweaking git repo https://github.com/s7jones/Rust-Wondrous-Numbers
[INFO] tweaked toml for git repo https://github.com/s7jones/Rust-Wondrous-Numbers written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/s7jones/Rust-Wondrous-Numbers 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7823ff29aa67c30476c15f51c71a5e4a7e43d23fbe4cfed0d89379ab24ffe4f6
[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" "7823ff29aa67c30476c15f51c71a5e4a7e43d23fbe4cfed0d89379ab24ffe4f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7823ff29aa67c30476c15f51c71a5e4a7e43d23fbe4cfed0d89379ab24ffe4f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7823ff29aa67c30476c15f51c71a5e4a7e43d23fbe4cfed0d89379ab24ffe4f6", kill_on_drop: false }`
[INFO] [stdout] 7823ff29aa67c30476c15f51c71a5e4a7e43d23fbe4cfed0d89379ab24ffe4f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 466dba00fd2136c3f0aeac0cdbfab7b574daceafabaaa61857578513b81c21fa
[INFO] running `Command { std: "docker" "start" "-a" "466dba00fd2136c3f0aeac0cdbfab7b574daceafabaaa61857578513b81c21fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling collatz_conjecture v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "466dba00fd2136c3f0aeac0cdbfab7b574daceafabaaa61857578513b81c21fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "466dba00fd2136c3f0aeac0cdbfab7b574daceafabaaa61857578513b81c21fa", kill_on_drop: false }`
[INFO] [stdout] 466dba00fd2136c3f0aeac0cdbfab7b574daceafabaaa61857578513b81c21fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bbea152fd49d2e2418ce1121885903f5f77a695547e4ae7622954d9e66a9664
[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" "5bbea152fd49d2e2418ce1121885903f5f77a695547e4ae7622954d9e66a9664", kill_on_drop: false }`
[INFO] [stderr]    Compiling collatz_conjecture v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "5bbea152fd49d2e2418ce1121885903f5f77a695547e4ae7622954d9e66a9664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bbea152fd49d2e2418ce1121885903f5f77a695547e4ae7622954d9e66a9664", kill_on_drop: false }`
[INFO] [stdout] 5bbea152fd49d2e2418ce1121885903f5f77a695547e4ae7622954d9e66a9664
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] 37d0377eca51a0b9b5be54ec6cff4c7eae2546fc75ffe2defe4057b66e93517f
[INFO] running `Command { std: "docker" "start" "-a" "37d0377eca51a0b9b5be54ec6cff4c7eae2546fc75ffe2defe4057b66e93517f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/collatz_conjecture-59a42d40454b7356
[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" "37d0377eca51a0b9b5be54ec6cff4c7eae2546fc75ffe2defe4057b66e93517f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37d0377eca51a0b9b5be54ec6cff4c7eae2546fc75ffe2defe4057b66e93517f", kill_on_drop: false }`
[INFO] [stdout] 37d0377eca51a0b9b5be54ec6cff4c7eae2546fc75ffe2defe4057b66e93517f