[INFO] cloning repository https://github.com/shepmaster/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/shepmaster/advent-of-code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshepmaster%2Fadvent-of-code-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshepmaster%2Fadvent-of-code-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4856b3133a87af1499d363d125c189c7d133399b
[INFO] testing shepmaster/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%2Fshepmaster%2Fadvent-of-code-2020" "/workspace/builds/worker-52/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-52/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shepmaster/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/shepmaster/advent-of-code-2020
[INFO] finished tweaking git repo https://github.com/shepmaster/advent-of-code-2020
[INFO] tweaked toml for git repo https://github.com/shepmaster/advent-of-code-2020 written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] crate git repo https://github.com/shepmaster/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] [stdout] 880a2ef31da940a69032181ee74931fb360b5514f5c727a100cc1be18f029f99
[INFO] running `Command { std: "docker" "start" "-a" "880a2ef31da940a69032181ee74931fb360b5514f5c727a100cc1be18f029f99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "880a2ef31da940a69032181ee74931fb360b5514f5c727a100cc1be18f029f99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "880a2ef31da940a69032181ee74931fb360b5514f5c727a100cc1be18f029f99", kill_on_drop: false }`
[INFO] [stdout] 880a2ef31da940a69032181ee74931fb360b5514f5c727a100cc1be18f029f99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] b1c3a06cf67c79e53e087e00d30f3d5bd22f3e61008ff8a281dfa73fd4f8314d
[INFO] running `Command { std: "docker" "start" "-a" "b1c3a06cf67c79e53e087e00d30f3d5bd22f3e61008ff8a281dfa73fd4f8314d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling day-03 v0.1.0 (/opt/rustwide/workdir/day-03)
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling snafu v0.6.10
[INFO] [stderr]    Compiling day-01 v0.1.0 (/opt/rustwide/workdir/day-01)
[INFO] [stderr]    Compiling day-05 v0.1.0 (/opt/rustwide/workdir/day-05)
[INFO] [stderr]    Compiling day-04 v0.1.0 (/opt/rustwide/workdir/day-04)
[INFO] [stderr]    Compiling day-02 v0.1.0 (/opt/rustwide/workdir/day-02)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.64s
[INFO] running `Command { std: "docker" "inspect" "b1c3a06cf67c79e53e087e00d30f3d5bd22f3e61008ff8a281dfa73fd4f8314d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1c3a06cf67c79e53e087e00d30f3d5bd22f3e61008ff8a281dfa73fd4f8314d", kill_on_drop: false }`
[INFO] [stdout] b1c3a06cf67c79e53e087e00d30f3d5bd22f3e61008ff8a281dfa73fd4f8314d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 56c99ed8396d7a62cbb0e870d32ee2ec0ac6d163f5a276a559d7023f901dd7c2
[INFO] running `Command { std: "docker" "start" "-a" "56c99ed8396d7a62cbb0e870d32ee2ec0ac6d163f5a276a559d7023f901dd7c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling day-03 v0.1.0 (/opt/rustwide/workdir/day-03)
[INFO] [stderr]    Compiling day-04 v0.1.0 (/opt/rustwide/workdir/day-04)
[INFO] [stderr]    Compiling day-01 v0.1.0 (/opt/rustwide/workdir/day-01)
[INFO] [stderr]    Compiling day-05 v0.1.0 (/opt/rustwide/workdir/day-05)
[INFO] [stderr]    Compiling day-02 v0.1.0 (/opt/rustwide/workdir/day-02)
[INFO] [stdout] warning: function is never used: `demo_product`
[INFO] [stdout]    --> day-03/src/main.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn demo_product() -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` 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 1.19s
[INFO] running `Command { std: "docker" "inspect" "56c99ed8396d7a62cbb0e870d32ee2ec0ac6d163f5a276a559d7023f901dd7c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56c99ed8396d7a62cbb0e870d32ee2ec0ac6d163f5a276a559d7023f901dd7c2", kill_on_drop: false }`
[INFO] [stdout] 56c99ed8396d7a62cbb0e870d32ee2ec0ac6d163f5a276a559d7023f901dd7c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] [stdout] d75106c119fb890efc7834e7d9f4882925e2e680755d1ddb861fed683a6d9766
[INFO] running `Command { std: "docker" "start" "-a" "d75106c119fb890efc7834e7d9f4882925e2e680755d1ddb861fed683a6d9766", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `demo_product`
[INFO] [stdout] 
[INFO] [stderr]    --> day-03/src/main.rs:110:8
[INFO] [stdout] running 2 tests
[INFO] [stderr]     |
[INFO] [stdout] test test::test_pair ... ok
[INFO] [stderr] 110 |     fn demo_product() -> Result<()> {
[INFO] [stdout] test test::test_triple ... ok
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: `day-03` (bin "day-03" test) generated 1 warning
[INFO] [stdout] running 2 tests
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] test test::demo_sled ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day_01-e0ae5235f05e7a98)
[INFO] [stdout] test test::demo_toboggan ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day_02-2dbc4ae138d62167)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day_03-d0d1bedc0f160e0e)
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day_04-0af44dc36b808e3d)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day_05-648b737a9d6bdb94)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::demo ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::demo ... ok
[INFO] [stdout] test test::demo_deep_invalid ... ok
[INFO] [stdout] test test::demo_deep_valid ... 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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::demo ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d75106c119fb890efc7834e7d9f4882925e2e680755d1ddb861fed683a6d9766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d75106c119fb890efc7834e7d9f4882925e2e680755d1ddb861fed683a6d9766", kill_on_drop: false }`
[INFO] [stdout] d75106c119fb890efc7834e7d9f4882925e2e680755d1ddb861fed683a6d9766