[INFO] cloning repository https://github.com/clevinson/rustypals
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/clevinson/rustypals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclevinson%2Frustypals", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclevinson%2Frustypals'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f27eec02a24aeb85864819194e70cb73649c6657
[INFO] testing clevinson/rustypals against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclevinson%2Frustypals" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/clevinson/rustypals on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/clevinson/rustypals
[INFO] finished tweaking git repo https://github.com/clevinson/rustypals
[INFO] tweaked toml for git repo https://github.com/clevinson/rustypals written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/clevinson/rustypals already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f15273917ddebdfabc4dc470ba0cb8bc9961676d3ed6ea58d078aad21e5fb9bd
[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" "f15273917ddebdfabc4dc470ba0cb8bc9961676d3ed6ea58d078aad21e5fb9bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f15273917ddebdfabc4dc470ba0cb8bc9961676d3ed6ea58d078aad21e5fb9bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f15273917ddebdfabc4dc470ba0cb8bc9961676d3ed6ea58d078aad21e5fb9bd", kill_on_drop: false }`
[INFO] [stdout] f15273917ddebdfabc4dc470ba0cb8bc9961676d3ed6ea58d078aad21e5fb9bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 0d2b24e341da1d5d1702547b366b3df50540f7465097c7666cacd41c982a9a7e
[INFO] running `Command { std: "docker" "start" "-a" "0d2b24e341da1d5d1702547b366b3df50540f7465097c7666cacd41c982a9a7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling bit-vec v0.6.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling openssl-sys v0.9.50
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling rustypals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `hex`
[INFO] [stdout]  --> src/set1.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use hex;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.48s
[INFO] running `Command { std: "docker" "inspect" "0d2b24e341da1d5d1702547b366b3df50540f7465097c7666cacd41c982a9a7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d2b24e341da1d5d1702547b366b3df50540f7465097c7666cacd41c982a9a7e", kill_on_drop: false }`
[INFO] [stdout] 0d2b24e341da1d5d1702547b366b3df50540f7465097c7666cacd41c982a9a7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] defdd11fff397fe8f1042fc9ccb0bfd31e5670d4e940999e84ce43d39bfc97a6
[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" "defdd11fff397fe8f1042fc9ccb0bfd31e5670d4e940999e84ce43d39bfc97a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustypals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.42s
[INFO] running `Command { std: "docker" "inspect" "defdd11fff397fe8f1042fc9ccb0bfd31e5670d4e940999e84ce43d39bfc97a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "defdd11fff397fe8f1042fc9ccb0bfd31e5670d4e940999e84ce43d39bfc97a6", kill_on_drop: false }`
[INFO] [stdout] defdd11fff397fe8f1042fc9ccb0bfd31e5670d4e940999e84ce43d39bfc97a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 5febd68c77b4dca32b8ace1d92888e5c40f08952986e301e96ab7e137de35c15
[INFO] running `Command { std: "docker" "start" "-a" "5febd68c77b4dca32b8ace1d92888e5c40f08952986e301e96ab7e137de35c15", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustypals-7879107b59d411f8)
[INFO] [stdout] test set1::exercise_2 ... ok
[INFO] [stdout] test set2::exercise_15 ... ok
[INFO] [stdout] test set2::exercise_16 ... ok
[INFO] [stdout] test set2::exercise_9 ... ok
[INFO] [stdout] test set2::exercise_13 ... ok
[INFO] [stdout] test set1::exercise_7 ... ok
[INFO] [stdout] test set3::exercise_18 ... ok
[INFO] [stdout] test set3::exercise_19 ... ok
[INFO] [stdout] test set1::exercise_5 ... ok
[INFO] [stdout] test set2::exercise_10 ... ok
[INFO] [stdout] test set2::exercise_11 ... ok
[INFO] [stdout] test set1::exercise_3 ... ok
[INFO] [stdout] test set1::exercise_8 ... ok
[INFO] [stdout] test set1::exercise_4 ... ok
[INFO] [stdout] test set1::exercise_6 ... ok
[INFO] [stdout] test set2::exercise_12 ... ok
[INFO] [stdout] test set3::exercise_20 ... ok
[INFO] [stdout] test set2::exercise_14 ... ok
[INFO] [stdout] test set3::exercise_17 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.13s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5febd68c77b4dca32b8ace1d92888e5c40f08952986e301e96ab7e137de35c15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5febd68c77b4dca32b8ace1d92888e5c40f08952986e301e96ab7e137de35c15", kill_on_drop: false }`
[INFO] [stdout] 5febd68c77b4dca32b8ace1d92888e5c40f08952986e301e96ab7e137de35c15