[INFO] cloning repository https://github.com/iykekings/codewars-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iykekings/codewars-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiykekings%2Fcodewars-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiykekings%2Fcodewars-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e0d5a6519eefce4479463a0ad758b3f383601925
[INFO] testing iykekings/codewars-rust 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%2Fiykekings%2Fcodewars-rust" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iykekings/codewars-rust 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/iykekings/codewars-rust
[INFO] finished tweaking git repo https://github.com/iykekings/codewars-rust
[INFO] tweaked toml for git repo https://github.com/iykekings/codewars-rust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/iykekings/codewars-rust 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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 4e3fdc3029f6f57fc8dc22035e3e05104eb4cdd82462e11194650beeab6c1834
[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" "4e3fdc3029f6f57fc8dc22035e3e05104eb4cdd82462e11194650beeab6c1834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e3fdc3029f6f57fc8dc22035e3e05104eb4cdd82462e11194650beeab6c1834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e3fdc3029f6f57fc8dc22035e3e05104eb4cdd82462e11194650beeab6c1834", kill_on_drop: false }`
[INFO] [stdout] 4e3fdc3029f6f57fc8dc22035e3e05104eb4cdd82462e11194650beeab6c1834
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] d4ee4996ccec4697fe26135aa158a544d82197b63e4c8de7795418d0b7997032
[INFO] running `Command { std: "docker" "start" "-a" "d4ee4996ccec4697fe26135aa158a544d82197b63e4c8de7795418d0b7997032", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling codewars-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.92s
[INFO] running `Command { std: "docker" "inspect" "d4ee4996ccec4697fe26135aa158a544d82197b63e4c8de7795418d0b7997032", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4ee4996ccec4697fe26135aa158a544d82197b63e4c8de7795418d0b7997032", kill_on_drop: false }`
[INFO] [stdout] d4ee4996ccec4697fe26135aa158a544d82197b63e4c8de7795418d0b7997032
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 93c91b6851ff7c6077e60ce6cdf7028f519be8c4eb8cc919d4f2ac355b0c73aa
[INFO] running `Command { std: "docker" "start" "-a" "93c91b6851ff7c6077e60ce6cdf7028f519be8c4eb8cc919d4f2ac355b0c73aa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling codewars-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.15s
[INFO] running `Command { std: "docker" "inspect" "93c91b6851ff7c6077e60ce6cdf7028f519be8c4eb8cc919d4f2ac355b0c73aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93c91b6851ff7c6077e60ce6cdf7028f519be8c4eb8cc919d4f2ac355b0c73aa", kill_on_drop: false }`
[INFO] [stdout] 93c91b6851ff7c6077e60ce6cdf7028f519be8c4eb8cc919d4f2ac355b0c73aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 1f82df659a29149a4c095a4aab592a85833be024bad1da4ae28576a56b81d8ba
[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" "1f82df659a29149a4c095a4aab592a85833be024bad1da4ae28576a56b81d8ba", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/codewars_rust-b9310d424c2300ba
[INFO] [stdout] running 9 tests
[INFO] [stdout] test meeting::meeting_works ... ok
[INFO] [stdout] test error_histogram::tests::histogram_works ... ok
[INFO] [stdout] test simple_substitution_unicode::tests::decoding ... ok
[INFO] [stdout] test simple_substitution::tests::decoding ... ok
[INFO] [stdout] test simple_substitution_unicode::tests::encoding ... ok
[INFO] [stdout] test simple_substitution::tests::encoding ... ok
[INFO] [stdout] test simpler_substitution::tests::decoding ... ok
[INFO] [stdout] test simpler_substitution::tests::encoding ... ok
[INFO] [stdout] test phone_directory::tests::basic_tests ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1f82df659a29149a4c095a4aab592a85833be024bad1da4ae28576a56b81d8ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f82df659a29149a4c095a4aab592a85833be024bad1da4ae28576a56b81d8ba", kill_on_drop: false }`
[INFO] [stdout] 1f82df659a29149a4c095a4aab592a85833be024bad1da4ae28576a56b81d8ba