[INFO] cloning repository https://github.com/ernsttm/advent_2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ernsttm/advent_2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fernsttm%2Fadvent_2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fernsttm%2Fadvent_2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 388d78ecc452c9e1b43d7f6cb9d7d1182a81020e
[INFO] testing ernsttm/advent_2021 against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fernsttm%2Fadvent_2021" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ernsttm/advent_2021 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ernsttm/advent_2021
[INFO] finished tweaking git repo https://github.com/ernsttm/advent_2021
[INFO] tweaked toml for git repo https://github.com/ernsttm/advent_2021 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/ernsttm/advent_2021 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc529aa6b190bca865cb2b49310e4fe3baaf5eea7d6d3e0bb13fadcd4d15fc35
[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" "cc529aa6b190bca865cb2b49310e4fe3baaf5eea7d6d3e0bb13fadcd4d15fc35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc529aa6b190bca865cb2b49310e4fe3baaf5eea7d6d3e0bb13fadcd4d15fc35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc529aa6b190bca865cb2b49310e4fe3baaf5eea7d6d3e0bb13fadcd4d15fc35", kill_on_drop: false }`
[INFO] [stdout] cc529aa6b190bca865cb2b49310e4fe3baaf5eea7d6d3e0bb13fadcd4d15fc35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c08f6058d2fe9338e6af8d2717c348ca0535aa07eb0b2dba31aaf01ed9274fbf
[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" "c08f6058d2fe9338e6af8d2717c348ca0535aa07eb0b2dba31aaf01ed9274fbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling day3 v0.1.0 (/opt/rustwide/workdir/day3)
[INFO] [stderr]    Compiling day2 v0.1.0 (/opt/rustwide/workdir/day2)
[INFO] [stderr]    Compiling day8 v0.1.0 (/opt/rustwide/workdir/day8)
[INFO] [stderr]    Compiling day5 v0.1.0 (/opt/rustwide/workdir/day5)
[INFO] [stderr]    Compiling day6 v0.1.0 (/opt/rustwide/workdir/day6)
[INFO] [stderr]    Compiling day7 v0.1.0 (/opt/rustwide/workdir/day7)
[INFO] [stderr]    Compiling day1 v0.1.0 (/opt/rustwide/workdir/day1)
[INFO] [stderr]    Compiling day4 v0.1.0 (/opt/rustwide/workdir/day4)
[INFO] [stderr]    Compiling day9 v0.1.0 (/opt/rustwide/workdir/day9)
[INFO] [stdout] warning: unused variable: `fuel_consumption`
[INFO] [stdout]   --> day7/src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let fuel_consumption =
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fuel_consumption`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 6.90s
[INFO] running `Command { std: "docker" "inspect" "c08f6058d2fe9338e6af8d2717c348ca0535aa07eb0b2dba31aaf01ed9274fbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c08f6058d2fe9338e6af8d2717c348ca0535aa07eb0b2dba31aaf01ed9274fbf", kill_on_drop: false }`
[INFO] [stdout] c08f6058d2fe9338e6af8d2717c348ca0535aa07eb0b2dba31aaf01ed9274fbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 75d34d30c60ed79ab8ebbcdd480a453804510c1b27de8a715bcf5aaa8afff4e6
[INFO] running `Command { std: "docker" "start" "-a" "75d34d30c60ed79ab8ebbcdd480a453804510c1b27de8a715bcf5aaa8afff4e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling day7 v0.1.0 (/opt/rustwide/workdir/day7)
[INFO] [stderr]    Compiling day6 v0.1.0 (/opt/rustwide/workdir/day6)
[INFO] [stderr]    Compiling day4 v0.1.0 (/opt/rustwide/workdir/day4)
[INFO] [stderr]    Compiling day5 v0.1.0 (/opt/rustwide/workdir/day5)
[INFO] [stderr]    Compiling day1 v0.1.0 (/opt/rustwide/workdir/day1)
[INFO] [stderr]    Compiling day3 v0.1.0 (/opt/rustwide/workdir/day3)
[INFO] [stderr]    Compiling day9 v0.1.0 (/opt/rustwide/workdir/day9)
[INFO] [stderr]    Compiling day8 v0.1.0 (/opt/rustwide/workdir/day8)
[INFO] [stderr]    Compiling day2 v0.1.0 (/opt/rustwide/workdir/day2)
[INFO] [stdout] warning: unused variable: `fuel_consumption`
[INFO] [stdout]   --> day7/src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let fuel_consumption =
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fuel_consumption`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 3.95s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/day1-918f159906206b8a)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/day2-071edc7dffe4be46)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/day3-d22555c1f60d7bba)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/day4-250a5851b13c8967)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/day5-c30d871c66150e92)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/day6-93966507edbaf26a)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/day7-fe348498050eb8e2)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/day8-9a98371ff44f3ce6)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/day9-75b880b076f1da37)
[INFO] running `Command { std: "docker" "inspect" "75d34d30c60ed79ab8ebbcdd480a453804510c1b27de8a715bcf5aaa8afff4e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75d34d30c60ed79ab8ebbcdd480a453804510c1b27de8a715bcf5aaa8afff4e6", kill_on_drop: false }`
[INFO] [stdout] 75d34d30c60ed79ab8ebbcdd480a453804510c1b27de8a715bcf5aaa8afff4e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dcbda49f1c77abb4839e510569d68037e33072858df8e3a34043a896f4302d9d
[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" "dcbda49f1c77abb4839e510569d68037e33072858df8e3a34043a896f4302d9d", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `fuel_consumption`
[INFO] [stderr]   --> day7/src/main.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let fuel_consumption =
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fuel_consumption`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `day7` (bin "day7" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day1-918f159906206b8a)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day2-071edc7dffe4be46)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day3-d22555c1f60d7bba)
[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 src/main.rs (/opt/rustwide/target/debug/deps/day4-250a5851b13c8967)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day5-c30d871c66150e92)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day6-93966507edbaf26a)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day7-fe348498050eb8e2)
[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 src/main.rs (/opt/rustwide/target/debug/deps/day8-9a98371ff44f3ce6)
[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 src/main.rs (/opt/rustwide/target/debug/deps/day9-75b880b076f1da37)
[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" "dcbda49f1c77abb4839e510569d68037e33072858df8e3a34043a896f4302d9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcbda49f1c77abb4839e510569d68037e33072858df8e3a34043a896f4302d9d", kill_on_drop: false }`
[INFO] [stdout] dcbda49f1c77abb4839e510569d68037e33072858df8e3a34043a896f4302d9d