[INFO] updating cached repository https://github.com/lreynolds18/AOC
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 441e7b46e56d9b506c2bd51c0c5848efb457d2fe
[INFO] testing lreynolds18/AOC against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flreynolds18%2FAOC" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lreynolds18/AOC on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/lreynolds18/AOC
[INFO] finished tweaking git repo https://github.com/lreynolds18/AOC
[INFO] tweaked toml for git repo https://github.com/lreynolds18/AOC written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/lreynolds18/AOC already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] de65a2359f19b799c28e7d8c1eb7e099c57f9064b762394f9a76cb0072a2ec84
[INFO] running `"docker" "start" "-a" "de65a2359f19b799c28e7d8c1eb7e099c57f9064b762394f9a76cb0072a2ec84"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling aoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/code/helper.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let mut id: i32 = split_by_whitespace[0]
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/code/day02.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let mut diff = difference_between_two_strings(&line1, &line2);
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/code/day05.rs:6:7
[INFO] [stderr]   |
[INFO] [stderr] 6 |   let mut v: Vec<char> = file_to_string(path).unwrap().chars().collect();
[INFO] [stderr]   |       ----^
[INFO] [stderr]   |       |
[INFO] [stderr]   |       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/code/day05.rs:26:7
[INFO] [stderr]    |
[INFO] [stderr] 26 |   let mut v: Vec<char> = file_to_string(path).unwrap().chars().collect();
[INFO] [stderr]    |       ----^
[INFO] [stderr]    |       |
[INFO] [stderr]    |       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.15s
[INFO] running `"docker" "inspect" "de65a2359f19b799c28e7d8c1eb7e099c57f9064b762394f9a76cb0072a2ec84"`
[INFO] running `"docker" "rm" "-f" "de65a2359f19b799c28e7d8c1eb7e099c57f9064b762394f9a76cb0072a2ec84"`
[INFO] [stdout] de65a2359f19b799c28e7d8c1eb7e099c57f9064b762394f9a76cb0072a2ec84
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dca1698e5b10169bbaa748485cad62c36228b34cabfd51b864b2b6432ab5bc8f
[INFO] running `"docker" "start" "-a" "dca1698e5b10169bbaa748485cad62c36228b34cabfd51b864b2b6432ab5bc8f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling aoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/code/helper.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let mut id: i32 = split_by_whitespace[0]
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/code/day02.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let mut diff = difference_between_two_strings(&line1, &line2);
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/code/day05.rs:6:7
[INFO] [stderr]   |
[INFO] [stderr] 6 |   let mut v: Vec<char> = file_to_string(path).unwrap().chars().collect();
[INFO] [stderr]   |       ----^
[INFO] [stderr]   |       |
[INFO] [stderr]   |       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/code/day05.rs:26:7
[INFO] [stderr]    |
[INFO] [stderr] 26 |   let mut v: Vec<char> = file_to_string(path).unwrap().chars().collect();
[INFO] [stderr]    |       ----^
[INFO] [stderr]    |       |
[INFO] [stderr]    |       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `"docker" "inspect" "dca1698e5b10169bbaa748485cad62c36228b34cabfd51b864b2b6432ab5bc8f"`
[INFO] running `"docker" "rm" "-f" "dca1698e5b10169bbaa748485cad62c36228b34cabfd51b864b2b6432ab5bc8f"`
[INFO] [stdout] dca1698e5b10169bbaa748485cad62c36228b34cabfd51b864b2b6432ab5bc8f
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 606add5cb77762464e5a90d128282ccc06944a300bf720581bf10010a8c274d7
[INFO] running `"docker" "start" "-a" "606add5cb77762464e5a90d128282ccc06944a300bf720581bf10010a8c274d7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/code/helper.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let mut id: i32 = split_by_whitespace[0]
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/code/day02.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let mut diff = difference_between_two_strings(&line1, &line2);
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/code/day05.rs:6:7
[INFO] [stderr]   |
[INFO] [stderr] 6 |   let mut v: Vec<char> = file_to_string(path).unwrap().chars().collect();
[INFO] [stderr]   |       ----^
[INFO] [stderr]   |       |
[INFO] [stderr]   |       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/code/day05.rs:26:7
[INFO] [stderr]    |
[INFO] [stderr] 26 |   let mut v: Vec<char> = file_to_string(path).unwrap().chars().collect();
[INFO] [stderr]    |       ----^
[INFO] [stderr]    |       |
[INFO] [stderr]    |       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/aoc-9f408c696fed3f91
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "606add5cb77762464e5a90d128282ccc06944a300bf720581bf10010a8c274d7"`
[INFO] running `"docker" "rm" "-f" "606add5cb77762464e5a90d128282ccc06944a300bf720581bf10010a8c274d7"`
[INFO] [stdout] 606add5cb77762464e5a90d128282ccc06944a300bf720581bf10010a8c274d7