[INFO] updating cached repository https://github.com/maxsmoke/advent2019
[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] 550028178a24e55a8007c7d2b0d38d7e40d66b35
[INFO] testing maxsmoke/advent2019 against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxsmoke%2Fadvent2019" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maxsmoke/advent2019 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/maxsmoke/advent2019
[INFO] finished tweaking git repo https://github.com/maxsmoke/advent2019
[INFO] tweaked toml for git repo https://github.com/maxsmoke/advent2019 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/maxsmoke/advent2019 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] 98d0f2620e23199b84ec4daa1d5cd8ba58b785864fcdbeb369ad1b00da4ebeb5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "98d0f2620e23199b84ec4daa1d5cd8ba58b785864fcdbeb369ad1b00da4ebeb5"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling advent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `low`
[INFO] [stderr]   --> src/problems/d4p2.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let low = 353_096;
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_low`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `high`
[INFO] [stderr]   --> src/problems/d4p2.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let high = 843_212;
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_high`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `descends`
[INFO] [stderr]   --> src/problems/d4p2.rs:52:4
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn descends(digits: Vec<u8>) -> bool {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `"docker" "inspect" "98d0f2620e23199b84ec4daa1d5cd8ba58b785864fcdbeb369ad1b00da4ebeb5"`
[INFO] running `"docker" "rm" "-f" "98d0f2620e23199b84ec4daa1d5cd8ba58b785864fcdbeb369ad1b00da4ebeb5"`
[INFO] [stdout] 98d0f2620e23199b84ec4daa1d5cd8ba58b785864fcdbeb369ad1b00da4ebeb5
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] c0ee83558796cdc14bf8cc087bf058010652c095745fd45d1b5068796a5bddc1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "c0ee83558796cdc14bf8cc087bf058010652c095745fd45d1b5068796a5bddc1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused variable: `low`
[INFO] [stderr]   --> src/problems/d4p2.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let low = 353_096;
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_low`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `high`
[INFO] [stderr]   --> src/problems/d4p2.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let high = 843_212;
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_high`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `descends`
[INFO] [stderr]   --> src/problems/d4p2.rs:52:4
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn descends(digits: Vec<u8>) -> bool {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling advent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `low`
[INFO] [stderr]   --> src/problems/d4p2.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let low = 353_096;
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_low`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `high`
[INFO] [stderr]   --> src/problems/d4p2.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let high = 843_212;
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_high`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `descends`
[INFO] [stderr]   --> src/problems/d4p2.rs:52:4
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn descends(digits: Vec<u8>) -> bool {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "c0ee83558796cdc14bf8cc087bf058010652c095745fd45d1b5068796a5bddc1"`
[INFO] running `"docker" "rm" "-f" "c0ee83558796cdc14bf8cc087bf058010652c095745fd45d1b5068796a5bddc1"`
[INFO] [stdout] c0ee83558796cdc14bf8cc087bf058010652c095745fd45d1b5068796a5bddc1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] 1badbb049e0e9555d4b84870a758713082e7098cdf8f356799358541fe541511
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "1badbb049e0e9555d4b84870a758713082e7098cdf8f356799358541fe541511"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused variable: `low`
[INFO] [stderr]   --> src/problems/d4p2.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let low = 353_096;
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_low`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `high`
[INFO] [stderr]   --> src/problems/d4p2.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let high = 843_212;
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_high`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `descends`
[INFO] [stderr]   --> src/problems/d4p2.rs:52:4
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn descends(digits: Vec<u8>) -> bool {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `low`
[INFO] [stderr]   --> src/problems/d4p2.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let low = 353_096;
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_low`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `high`
[INFO] [stderr]   --> src/problems/d4p2.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let high = 843_212;
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_high`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `descends`
[INFO] [stderr]   --> src/problems/d4p2.rs:52:4
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn descends(digits: Vec<u8>) -> bool {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/advent-2ceca8fc5cc49b6e
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/main-ce2f1047166d5676
[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] [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] [stderr]    Doc-tests advent
[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" "1badbb049e0e9555d4b84870a758713082e7098cdf8f356799358541fe541511"`
[INFO] running `"docker" "rm" "-f" "1badbb049e0e9555d4b84870a758713082e7098cdf8f356799358541fe541511"`
[INFO] [stdout] 1badbb049e0e9555d4b84870a758713082e7098cdf8f356799358541fe541511