[INFO] updating cached repository https://github.com/wasuken/ackermann-function-book
[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] a70b00d136af3a04b8f03c3c434affe2c379beb9
[INFO] testing wasuken/ackermann-function-book 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%2Fwasuken%2Fackermann-function-book" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wasuken/ackermann-function-book 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/wasuken/ackermann-function-book
[INFO] finished tweaking git repo https://github.com/wasuken/ackermann-function-book
[INFO] tweaked toml for git repo https://github.com/wasuken/ackermann-function-book written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/wasuken/ackermann-function-book 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 1e67097178273a27bd281d101de8aef98df02b9cf08dcb2af1fb971eaeba7e99
[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" "1e67097178273a27bd281d101de8aef98df02b9cf08dcb2af1fb971eaeba7e99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e67097178273a27bd281d101de8aef98df02b9cf08dcb2af1fb971eaeba7e99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e67097178273a27bd281d101de8aef98df02b9cf08dcb2af1fb971eaeba7e99", kill_on_drop: false }`
[INFO] [stdout] 1e67097178273a27bd281d101de8aef98df02b9cf08dcb2af1fb971eaeba7e99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 2ca3a81589c6e0d12294c8fbe543ef9dc2698cfd0bcbfabae5d79da98732e4c7
[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" "2ca3a81589c6e0d12294c8fbe543ef9dc2698cfd0bcbfabae5d79da98732e4c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-bigint v0.2.5
[INFO] [stderr]    Compiling ackermann-function-book v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.43s
[INFO] running `Command { std: "docker" "inspect" "2ca3a81589c6e0d12294c8fbe543ef9dc2698cfd0bcbfabae5d79da98732e4c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ca3a81589c6e0d12294c8fbe543ef9dc2698cfd0bcbfabae5d79da98732e4c7", kill_on_drop: false }`
[INFO] [stdout] 2ca3a81589c6e0d12294c8fbe543ef9dc2698cfd0bcbfabae5d79da98732e4c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] c85c2a739d0c2e457e74ea27009d3d1f21eaa89c5d328038c0777687fd3e77e7
[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" "c85c2a739d0c2e457e74ea27009d3d1f21eaa89c5d328038c0777687fd3e77e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling ackermann-function-book v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "c85c2a739d0c2e457e74ea27009d3d1f21eaa89c5d328038c0777687fd3e77e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c85c2a739d0c2e457e74ea27009d3d1f21eaa89c5d328038c0777687fd3e77e7", kill_on_drop: false }`
[INFO] [stdout] c85c2a739d0c2e457e74ea27009d3d1f21eaa89c5d328038c0777687fd3e77e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 4cb884130e2e1a93fc376e577be17972e0aa1cc2e17a3e93311263e1a9e5bdcf
[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" "4cb884130e2e1a93fc376e577be17972e0aa1cc2e17a3e93311263e1a9e5bdcf", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 6 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ackermann_function_book-47e1070eb0b1254f
[INFO] [stdout] test tests::conv_from_u32_biguint ... ok
[INFO] [stdout] test tests::a0 ... ok
[INFO] [stdout] test tests::a2 ... ok
[INFO] [stdout] test tests::a3 ... ok
[INFO] [stdout] test tests::a1 ... ok
[INFO] [stdout] test tests::a4 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4cb884130e2e1a93fc376e577be17972e0aa1cc2e17a3e93311263e1a9e5bdcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cb884130e2e1a93fc376e577be17972e0aa1cc2e17a3e93311263e1a9e5bdcf", kill_on_drop: false }`
[INFO] [stdout] 4cb884130e2e1a93fc376e577be17972e0aa1cc2e17a3e93311263e1a9e5bdcf