[INFO] cloning repository https://github.com/kjvalencik/rust-adventofcode2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kjvalencik/rust-adventofcode2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkjvalencik%2Frust-adventofcode2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkjvalencik%2Frust-adventofcode2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 66874ce7d4ba095c19d79ba5e476df9cb8aa5402
[INFO] testing kjvalencik/rust-adventofcode2018 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkjvalencik%2Frust-adventofcode2018" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kjvalencik/rust-adventofcode2018 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kjvalencik/rust-adventofcode2018
[INFO] finished tweaking git repo https://github.com/kjvalencik/rust-adventofcode2018
[INFO] tweaked toml for git repo https://github.com/kjvalencik/rust-adventofcode2018 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/kjvalencik/rust-adventofcode2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24607abc3a8bb4f5c0ec12e3b0c4e496545c6d4473f3c3992c32ed9f6d2eaa8b
[INFO] running `Command { std: "docker" "start" "-a" "24607abc3a8bb4f5c0ec12e3b0c4e496545c6d4473f3c3992c32ed9f6d2eaa8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24607abc3a8bb4f5c0ec12e3b0c4e496545c6d4473f3c3992c32ed9f6d2eaa8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24607abc3a8bb4f5c0ec12e3b0c4e496545c6d4473f3c3992c32ed9f6d2eaa8b", kill_on_drop: false }`
[INFO] [stdout] 24607abc3a8bb4f5c0ec12e3b0c4e496545c6d4473f3c3992c32ed9f6d2eaa8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 077866c845481d37c82ab06f5938a42d54edf5880dad009d292384b64e623a06
[INFO] running `Command { std: "docker" "start" "-a" "077866c845481d37c82ab06f5938a42d54edf5880dad009d292384b64e623a06", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling day03 v0.1.0 (/opt/rustwide/workdir/solutions/day03)
[INFO] [stderr]    Compiling day01 v0.1.0 (/opt/rustwide/workdir/solutions/day01)
[INFO] [stderr]    Compiling day10 v0.1.0 (/opt/rustwide/workdir/solutions/day10)
[INFO] [stderr]    Compiling day02 v0.1.0 (/opt/rustwide/workdir/solutions/day02)
[INFO] [stderr]    Compiling day13 v0.1.0 (/opt/rustwide/workdir/solutions/day13)
[INFO] [stderr]    Compiling day12 v0.1.0 (/opt/rustwide/workdir/solutions/day12)
[INFO] [stderr]    Compiling day06 v0.1.0 (/opt/rustwide/workdir/solutions/day06)
[INFO] [stderr]    Compiling day05 v0.1.0 (/opt/rustwide/workdir/solutions/day05)
[INFO] [stderr]    Compiling day14 v0.1.0 (/opt/rustwide/workdir/solutions/day14)
[INFO] [stderr]    Compiling day11 v0.1.0 (/opt/rustwide/workdir/solutions/day11)
[INFO] [stderr]    Compiling day09 v0.1.0 (/opt/rustwide/workdir/solutions/day09)
[INFO] [stderr]    Compiling day08 v0.1.0 (/opt/rustwide/workdir/solutions/day08)
[INFO] [stderr]    Compiling day07 v0.1.0 (/opt/rustwide/workdir/solutions/day07)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> solutions/day09/src/main.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | type BoxError = Box<std::error::Error>;
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> solutions/day12/src/main.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | type Error = Box<std::error::Error>;
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> solutions/day10/src/main.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | type Error = Box<std::error::Error>;
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> solutions/day13/src/main.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | type Error = Box<std::error::Error>;
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling day04 v0.1.0 (/opt/rustwide/workdir/solutions/day04)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.22s
[INFO] running `Command { std: "docker" "inspect" "077866c845481d37c82ab06f5938a42d54edf5880dad009d292384b64e623a06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "077866c845481d37c82ab06f5938a42d54edf5880dad009d292384b64e623a06", kill_on_drop: false }`
[INFO] [stdout] 077866c845481d37c82ab06f5938a42d54edf5880dad009d292384b64e623a06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b20f1c35352b5d9e06ed15db000e6a38c8042a3595b850ad30610532e8ebfe1
[INFO] running `Command { std: "docker" "start" "-a" "4b20f1c35352b5d9e06ed15db000e6a38c8042a3595b850ad30610532e8ebfe1", kill_on_drop: false }`
[INFO] [stderr]    Compiling day09 v0.1.0 (/opt/rustwide/workdir/solutions/day09)
[INFO] [stderr]    Compiling day07 v0.1.0 (/opt/rustwide/workdir/solutions/day07)
[INFO] [stderr]    Compiling day01 v0.1.0 (/opt/rustwide/workdir/solutions/day01)
[INFO] [stderr]    Compiling day06 v0.1.0 (/opt/rustwide/workdir/solutions/day06)
[INFO] [stderr]    Compiling day13 v0.1.0 (/opt/rustwide/workdir/solutions/day13)
[INFO] [stderr]    Compiling day08 v0.1.0 (/opt/rustwide/workdir/solutions/day08)
[INFO] [stderr]    Compiling day03 v0.1.0 (/opt/rustwide/workdir/solutions/day03)
[INFO] [stderr]    Compiling day12 v0.1.0 (/opt/rustwide/workdir/solutions/day12)
[INFO] [stderr]    Compiling day14 v0.1.0 (/opt/rustwide/workdir/solutions/day14)
[INFO] [stderr]    Compiling day11 v0.1.0 (/opt/rustwide/workdir/solutions/day11)
[INFO] [stderr]    Compiling day05 v0.1.0 (/opt/rustwide/workdir/solutions/day05)
[INFO] [stderr]    Compiling day10 v0.1.0 (/opt/rustwide/workdir/solutions/day10)
[INFO] [stderr]    Compiling day02 v0.1.0 (/opt/rustwide/workdir/solutions/day02)
[INFO] [stderr]    Compiling day04 v0.1.0 (/opt/rustwide/workdir/solutions/day04)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> solutions/day13/src/main.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | type Error = Box<std::error::Error>;
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> solutions/day09/src/main.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | type BoxError = Box<std::error::Error>;
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> solutions/day10/src/main.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | type Error = Box<std::error::Error>;
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> solutions/day12/src/main.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | type Error = Box<std::error::Error>;
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.88s
[INFO] running `Command { std: "docker" "inspect" "4b20f1c35352b5d9e06ed15db000e6a38c8042a3595b850ad30610532e8ebfe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b20f1c35352b5d9e06ed15db000e6a38c8042a3595b850ad30610532e8ebfe1", kill_on_drop: false }`
[INFO] [stdout] 4b20f1c35352b5d9e06ed15db000e6a38c8042a3595b850ad30610532e8ebfe1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d44380e52d871b720081260c1e56aacd1e3a596e719cd4cf474e5377fd7b7161
[INFO] running `Command { std: "docker" "start" "-a" "d44380e52d871b720081260c1e56aacd1e3a596e719cd4cf474e5377fd7b7161", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] running 3 tests
[INFO] [stderr]  --> solutions/day12/src/main.rs:5:18
[INFO] [stderr]   |
[INFO] [stderr] 5 | type Error = Box<std::error::Error>;
[INFO] [stderr]   |                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> solutions/day09/src/main.rs:3:21
[INFO] [stderr]   |
[INFO] [stderr] 3 | type BoxError = Box<std::error::Error>;
[INFO] [stderr]   |                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> solutions/day10/src/main.rs:4:18
[INFO] [stderr]   |
[INFO] [stderr] 4 | type Error = Box<std::error::Error>;
[INFO] [stderr]   |                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> solutions/day13/src/main.rs:5:18
[INFO] [stderr]   |
[INFO] [stderr] 5 | type Error = Box<std::error::Error>;
[INFO] [stderr]   |                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day01-83ba41d22c271320)
[INFO] [stdout] test tests::first_repeat ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day02-6b3ae1a41f54e4e2)
[INFO] [stdout] test tests::frequency ... ok
[INFO] [stdout] test tests::parse ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::parse ... ok
[INFO] [stdout] test tests::matches ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day03-001bfc2a98d7a65d)
[INFO] [stdout] test tests::checksum ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::non_overlapped ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day04-4bf8dd6a22daa72a)
[INFO] [stdout] test tests::total_overlapped ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day05-3f14147dee4182a5)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::ids ... ok
[INFO] [stdout] test tests::max_minute ... ok
[INFO] [stdout] test tests::max_frequency ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::reaction ... ok
[INFO] [stdout] test tests::improve_reaction ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day06-4d0574a98de9bacd)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day07-8b288b6a6d4d1a48)
[INFO] [stdout] test tests::largest_area ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day08-ebb2cfa5617d4bb7)
[INFO] [stdout] test tests::close_region_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::single_order ... ok
[INFO] [stdout] test tests::multi_worker ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day09-0dc00a913fd66291)
[INFO] [stdout] test tests::root_value ... ok
[INFO] [stdout] test tests::checksum ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::parse ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day10-72b0937699ab7e81)
[INFO] [stdout] test tests::max_score ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day11-ba3cc715137d1e89)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::graph ... ok
[INFO] [stdout] test tests::guess ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::largest_power_grid ... ignored
[INFO] [stdout] test tests::total_power ... ok
[INFO] [stdout] test tests::cell ... ok
[INFO] [stdout] test tests::largest_power ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day12-00de1c4b4c6bf040)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 5.91s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::count ... 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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day13-ce81cef787a982dc)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::simulate ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day14-26dab1e21e6d5e2c)
[INFO] [stdout] test tests::collision ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::simulate_two ... ok
[INFO] [stdout] test tests::simulate ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d44380e52d871b720081260c1e56aacd1e3a596e719cd4cf474e5377fd7b7161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d44380e52d871b720081260c1e56aacd1e3a596e719cd4cf474e5377fd7b7161", kill_on_drop: false }`
[INFO] [stdout] d44380e52d871b720081260c1e56aacd1e3a596e719cd4cf474e5377fd7b7161