[INFO] cloning repository https://github.com/JLerxky/algorithm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JLerxky/algorithm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJLerxky%2Falgorithm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJLerxky%2Falgorithm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 43cb899b99ce8752bf9758badbd593dd90ebf984
[INFO] testing JLerxky/algorithm 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%2FJLerxky%2Falgorithm" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JLerxky/algorithm 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/JLerxky/algorithm
[INFO] finished tweaking git repo https://github.com/JLerxky/algorithm
[INFO] tweaked toml for git repo https://github.com/JLerxky/algorithm written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/JLerxky/algorithm 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ba21d0b87b8d98e0cd0ccb46623a29ae66c8012233ffa8c4919c2a7a65df524b
[INFO] running `Command { std: "docker" "start" "-a" "ba21d0b87b8d98e0cd0ccb46623a29ae66c8012233ffa8c4919c2a7a65df524b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba21d0b87b8d98e0cd0ccb46623a29ae66c8012233ffa8c4919c2a7a65df524b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba21d0b87b8d98e0cd0ccb46623a29ae66c8012233ffa8c4919c2a7a65df524b", kill_on_drop: false }`
[INFO] [stdout] ba21d0b87b8d98e0cd0ccb46623a29ae66c8012233ffa8c4919c2a7a65df524b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 34b6a28c4275e20e4623779f23fbde843a3c9165abeb0ae4a269dfe056a515fd
[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" "34b6a28c4275e20e4623779f23fbde843a3c9165abeb0ae4a269dfe056a515fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling hw v0.1.0 (/opt/rustwide/workdir/hw)
[INFO] [stderr]    Compiling structure v0.1.0 (/opt/rustwide/workdir/structure)
[INFO] [stderr]    Compiling search v0.1.0 (/opt/rustwide/workdir/search)
[INFO] [stderr]    Compiling sorting v0.1.0 (/opt/rustwide/workdir/sorting)
[INFO] [stdout] warning: unused import: `std::net`
[INFO] [stdout]  --> hw/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net;
[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 0.77s
[INFO] running `Command { std: "docker" "inspect" "34b6a28c4275e20e4623779f23fbde843a3c9165abeb0ae4a269dfe056a515fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34b6a28c4275e20e4623779f23fbde843a3c9165abeb0ae4a269dfe056a515fd", kill_on_drop: false }`
[INFO] [stdout] 34b6a28c4275e20e4623779f23fbde843a3c9165abeb0ae4a269dfe056a515fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 17b71575bf6775e4665b6b4a71785db5dc2462c17047fbc484dca64f80d80e36
[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" "17b71575bf6775e4665b6b4a71785db5dc2462c17047fbc484dca64f80d80e36", kill_on_drop: false }`
[INFO] [stderr]    Compiling structure v0.1.0 (/opt/rustwide/workdir/structure)
[INFO] [stderr]    Compiling sorting v0.1.0 (/opt/rustwide/workdir/sorting)
[INFO] [stderr]    Compiling search v0.1.0 (/opt/rustwide/workdir/search)
[INFO] [stdout] warning: unused import: `std::net`
[INFO] [stdout]  --> hw/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling hw v0.1.0 (/opt/rustwide/workdir/hw)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net`
[INFO] [stdout]  --> hw/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net;
[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 test [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "17b71575bf6775e4665b6b4a71785db5dc2462c17047fbc484dca64f80d80e36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17b71575bf6775e4665b6b4a71785db5dc2462c17047fbc484dca64f80d80e36", kill_on_drop: false }`
[INFO] [stdout] 17b71575bf6775e4665b6b4a71785db5dc2462c17047fbc484dca64f80d80e36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 2e1b86fe61bb7e63b00483c59911a28953cf04fbd5a56a82bf77b80ea6d164c0
[INFO] running `Command { std: "docker" "start" "-a" "2e1b86fe61bb7e63b00483c59911a28953cf04fbd5a56a82bf77b80ea6d164c0", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `std::net`
[INFO] [stdout] running 3 tests
[INFO] [stderr]  --> hw/src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::net;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `hw` (lib) generated 1 warning
[INFO] [stderr] warning: `hw` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hw-4d893c48a13e5e98)
[INFO] [stdout] test hj18 ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/search-c6d6f674dad0ac38)
[INFO] [stdout] test hj2 ... ok
[INFO] [stdout] test hj1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sorting-b29fd0d7a1d48fdb)
[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; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/structure-1fa8b56127e44ac6)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hw
[INFO] [stdout] running 0 tests
[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] [stdout] 
[INFO] [stdout] running 0 tests
[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] [stderr]    Doc-tests search
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sorting
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests structure
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2e1b86fe61bb7e63b00483c59911a28953cf04fbd5a56a82bf77b80ea6d164c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e1b86fe61bb7e63b00483c59911a28953cf04fbd5a56a82bf77b80ea6d164c0", kill_on_drop: false }`
[INFO] [stdout] 2e1b86fe61bb7e63b00483c59911a28953cf04fbd5a56a82bf77b80ea6d164c0