[INFO] cloning repository https://github.com/sebosborn/advent_of_code_2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sebosborn/advent_of_code_2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebosborn%2Fadvent_of_code_2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebosborn%2Fadvent_of_code_2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4882086993d88b5352c2218078d6ed9a7812e9fc
[INFO] testing sebosborn/advent_of_code_2020 against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebosborn%2Fadvent_of_code_2020" "/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/sebosborn/advent_of_code_2020 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sebosborn/advent_of_code_2020
[INFO] finished tweaking git repo https://github.com/sebosborn/advent_of_code_2020
[INFO] tweaked toml for git repo https://github.com/sebosborn/advent_of_code_2020 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/sebosborn/advent_of_code_2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "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] 86d17e43c9013bd898d381fd1aca2f0d5bf64ecc5f54a2244fc1e478a303e6bb
[INFO] running `Command { std: "docker" "start" "-a" "86d17e43c9013bd898d381fd1aca2f0d5bf64ecc5f54a2244fc1e478a303e6bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86d17e43c9013bd898d381fd1aca2f0d5bf64ecc5f54a2244fc1e478a303e6bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86d17e43c9013bd898d381fd1aca2f0d5bf64ecc5f54a2244fc1e478a303e6bb", kill_on_drop: false }`
[INFO] [stdout] 86d17e43c9013bd898d381fd1aca2f0d5bf64ecc5f54a2244fc1e478a303e6bb
[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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 898affc7586563c7b443e46c85fb4e89886ee7381aa4fb6171044d249e730707
[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" "898affc7586563c7b443e46c85fb4e89886ee7381aa4fb6171044d249e730707", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling advent_of_code_2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/encoding_error.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |             x -= (contig.len() - 1);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/passport_processing.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 95 |         Some(x) => {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/passport_processing.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 |         Some(x) => match passport.get("ecl").unwrap().as_str() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/passport_processing.rs:128:8
[INFO] [stdout]     |
[INFO] [stdout] 128 |         Some(x) => valid = valid,
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.26s
[INFO] running `Command { std: "docker" "inspect" "898affc7586563c7b443e46c85fb4e89886ee7381aa4fb6171044d249e730707", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "898affc7586563c7b443e46c85fb4e89886ee7381aa4fb6171044d249e730707", kill_on_drop: false }`
[INFO] [stdout] 898affc7586563c7b443e46c85fb4e89886ee7381aa4fb6171044d249e730707
[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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 360a5eb1f027d2849d07c61b63c08ac29cf0ea12d6164fb7d3faf05701f08a42
[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" "360a5eb1f027d2849d07c61b63c08ac29cf0ea12d6164fb7d3faf05701f08a42", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent_of_code_2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/encoding_error.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |             x -= (contig.len() - 1);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/passport_processing.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 95 |         Some(x) => {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/passport_processing.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 |         Some(x) => match passport.get("ecl").unwrap().as_str() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/passport_processing.rs:128:8
[INFO] [stdout]     |
[INFO] [stdout] 128 |         Some(x) => valid = valid,
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.39s
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "360a5eb1f027d2849d07c61b63c08ac29cf0ea12d6164fb7d3faf05701f08a42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "360a5eb1f027d2849d07c61b63c08ac29cf0ea12d6164fb7d3faf05701f08a42", kill_on_drop: false }`
[INFO] [stdout] 360a5eb1f027d2849d07c61b63c08ac29cf0ea12d6164fb7d3faf05701f08a42
[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" "+1.55.0" "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] 846e93d575ce0a5e3df58b7a02ee419ae21a1c73020c0403e556c19d89ef16d1
[INFO] running `Command { std: "docker" "start" "-a" "846e93d575ce0a5e3df58b7a02ee419ae21a1c73020c0403e556c19d89ef16d1", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stdout] running 14 tests
[INFO] [stderr]   --> src/encoding_error.rs:65:9
[INFO] [stdout] test binary_boarding::tests::test_part_one ... ok
[INFO] [stderr]    |
[INFO] [stdout] test encoding_error::tests::test_part_two ... ok
[INFO] [stderr] 65 |             x -= (contig.len() - 1);
[INFO] [stdout] test handheld_halting::tests::test_part_one ... ok
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] test custom_customs::tests::test_part_two ... ok
[INFO] [stderr]    |
[INFO] [stdout] test handheld_halting::tests::test_part_two ... ok
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] test passport_processing::tests::test_part_one ... ok
[INFO] [stderr] 
[INFO] [stdout] test passport_processing::tests::test_part_two ... ok
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stdout] test toboggan_trajectory::tests::test_part_one ... ok
[INFO] [stderr]   --> src/passport_processing.rs:95:8
[INFO] [stdout] test toboggan_trajectory::tests::test_part_two ... ok
[INFO] [stderr]    |
[INFO] [stdout] test custom_customs::tests::test_part_one ... ok
[INFO] [stderr] 95 |         Some(x) => {
[INFO] [stdout] test handy_haversacks::tests::test_part_one ... ok
[INFO] [stderr]    |              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] test handy_haversacks::tests::test_part_two ... ok
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/passport_processing.rs:119:8
[INFO] [stderr]     |
[INFO] [stderr] 119 |         Some(x) => match passport.get("ecl").unwrap().as_str() {
[INFO] [stderr]     |              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/passport_processing.rs:128:8
[INFO] [stderr]     |
[INFO] [stderr] 128 |         Some(x) => valid = valid,
[INFO] [stderr]     |              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: `advent_of_code_2020` (bin "advent_of_code_2020" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/advent_of_code_2020-1b5290c508c6284a)
[INFO] [stdout] test encoding_error::tests::test_part_one ... ok
[INFO] [stdout] test binary_boarding::tests::test_part_two ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "846e93d575ce0a5e3df58b7a02ee419ae21a1c73020c0403e556c19d89ef16d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "846e93d575ce0a5e3df58b7a02ee419ae21a1c73020c0403e556c19d89ef16d1", kill_on_drop: false }`
[INFO] [stdout] 846e93d575ce0a5e3df58b7a02ee419ae21a1c73020c0403e556c19d89ef16d1