[INFO] cloning repository https://github.com/valdron/aoc_2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/valdron/aoc_2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaldron%2Faoc_2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaldron%2Faoc_2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e917eb7a3aff4681557d6bcb1e75d7f45b110f88
[INFO] checking valdron/aoc_2018/e917eb7a3aff4681557d6bcb1e75d7f45b110f88 against master#ca77504943887037504c7fc0b9bf06dab3910373 for pr-145181
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaldron%2Faoc_2018" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/valdron/aoc_2018
[INFO] finished tweaking git repo https://github.com/valdron/aoc_2018
[INFO] tweaked toml for git repo https://github.com/valdron/aoc_2018 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/valdron/aoc_2018 on toolchain ca77504943887037504c7fc0b9bf06dab3910373
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ca77504943887037504c7fc0b9bf06dab3910373" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/valdron/aoc_2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ca77504943887037504c7fc0b9bf06dab3910373" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aoc-runner v0.1.0
[INFO] [stderr]   Downloaded aoc-runner-derive v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+ca77504943887037504c7fc0b9bf06dab3910373" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3509b0f2a6bdb1b3ba6a4598c3eca00532557c9e7bb8d3357af7f8cd8a36ede
[INFO] running `Command { std: "docker" "start" "-a" "e3509b0f2a6bdb1b3ba6a4598c3eca00532557c9e7bb8d3357af7f8cd8a36ede", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3509b0f2a6bdb1b3ba6a4598c3eca00532557c9e7bb8d3357af7f8cd8a36ede", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3509b0f2a6bdb1b3ba6a4598c3eca00532557c9e7bb8d3357af7f8cd8a36ede", kill_on_drop: false }`
[INFO] [stdout] e3509b0f2a6bdb1b3ba6a4598c3eca00532557c9e7bb8d3357af7f8cd8a36ede
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+ca77504943887037504c7fc0b9bf06dab3910373" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1becef3768e85908447b95975b988750cfcb45f6461661514d21bdb45b3d02fe
[INFO] running `Command { std: "docker" "start" "-a" "1becef3768e85908447b95975b988750cfcb45f6461661514d21bdb45b3d02fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]     Checking aoc-runner v0.1.0
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling serde_json v1.0.33
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling aoc-runner-internal v0.1.0
[INFO] [stderr]    Compiling aoc-runner-derive v0.1.3
[INFO] [stderr]     Checking aoc_2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: custom attribute panicked
[INFO] [stdout]   --> src/day1.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[aoc(day1, part1)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: message: use-after-free of `proc_macro` symbol
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: custom attribute panicked
[INFO] [stdout]   --> src/day1.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[aoc(day1, part2)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: message: use-after-free of `proc_macro` symbol
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: custom attribute panicked
[INFO] [stdout]   --> src/day1.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | #[aoc(day1, part2, CustomIter)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: message: use-after-free of `proc_macro` symbol
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: custom attribute panicked
[INFO] [stdout]  --> src/day2.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[aoc(day2, part1)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: message: use-after-free of `proc_macro` symbol
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: custom attribute panicked
[INFO] [stdout]   --> src/day2.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[aoc(day2, part2)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: message: use-after-free of `proc_macro` symbol
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: custom attribute panicked
[INFO] [stdout]   --> src/day3.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[aoc(day3, part1)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: message: use-after-free of `proc_macro` symbol
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: custom attribute panicked
[INFO] [stdout]   --> src/day3.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | #[aoc(day3, part2)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: message: use-after-free of `proc_macro` symbol
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: custom attribute panicked
[INFO] [stdout]   --> src/day4.rs:50:1
[INFO] [stdout]    |
[INFO] [stdout] 50 | #[aoc(day4, part1)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: message: use-after-free of `proc_macro` symbol
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: custom attribute panicked
[INFO] [stdout]   --> src/day4.rs:91:1
[INFO] [stdout]    |
[INFO] [stdout] 91 | #[aoc(day4, part2)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: message: use-after-free of `proc_macro` symbol
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: proc macro panicked
[INFO] [stdout]  --> src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | aoc_lib! { year = 2018 }
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: message: called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: custom attribute panicked
[INFO] [stdout]   --> src/day1.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[aoc(day1, part1)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: message: use-after-free of `proc_macro` symbol
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: custom attribute panicked
[INFO] [stdout]   --> src/day1.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[aoc(day1, part2)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: message: use-after-free of `proc_macro` symbol
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: custom attribute panicked
[INFO] [stdout]   --> src/day1.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | #[aoc(day1, part2, CustomIter)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: message: use-after-free of `proc_macro` symbol
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: custom attribute panicked
[INFO] [stdout]  --> src/day2.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[aoc(day2, part1)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: message: use-after-free of `proc_macro` symbol
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: custom attribute panicked
[INFO] [stdout]   --> src/day2.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[aoc(day2, part2)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: message: use-after-free of `proc_macro` symbol
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: custom attribute panicked
[INFO] [stdout]   --> src/day3.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[aoc(day3, part1)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: message: use-after-free of `proc_macro` symbol
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: custom attribute panicked
[INFO] [stdout]   --> src/day3.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | #[aoc(day3, part2)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: message: use-after-free of `proc_macro` symbol
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]  --> src/day5.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[aoc(day5, part1)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]   --> src/day5.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[aoc(day5, part2)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: custom attribute panicked
[INFO] [stdout]   --> src/day4.rs:50:1
[INFO] [stdout]    |
[INFO] [stdout] 50 | #[aoc(day4, part1)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: message: use-after-free of `proc_macro` symbol
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: custom attribute panicked
[INFO] [stdout]   --> src/day4.rs:91:1
[INFO] [stdout]    |
[INFO] [stdout] 91 | #[aoc(day4, part2)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: message: use-after-free of `proc_macro` symbol
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: proc macro panicked
[INFO] [stdout]  --> src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | aoc_lib! { year = 2018 }
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: message: called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/day3.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/day4.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]  --> src/day5.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[aoc(day5, part1)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]   --> src/day5.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[aoc(day5, part2)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day3.rs:69:20
[INFO] [stdout]    |
[INFO] [stdout] 69 |     type Err = Box<Error>;
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 69 |     type Err = Box<dyn Error>;
[INFO] [stdout]    |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day4.rs:14:20
[INFO] [stdout]    |
[INFO] [stdout] 14 |     type Err = Box<Error>;
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 14 |     type Err = Box<dyn Error>;
[INFO] [stdout]    |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/day3.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/day4.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `solve_day1_part2` in this scope
[INFO] [stdout]   --> src/day1.rs:72:20
[INFO] [stdout]    |
[INFO] [stdout] 72 |     assert_eq!(14, solve_day1_part2(TEST));
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `solve_day1_part2_customiter` in this scope
[INFO] [stdout]   --> src/day1.rs:78:20
[INFO] [stdout]    |
[INFO] [stdout] 78 |     assert_eq!(14, solve_day1_part2_customiter(TEST));
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `solve_day4_part1` in this scope
[INFO] [stdout]    --> src/day4.rs:154:21
[INFO] [stdout]     |
[INFO] [stdout] 154 |     assert_eq!(240, solve_day4_part1(&input));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `solve_day4_part2` in this scope
[INFO] [stdout]    --> src/day4.rs:155:22
[INFO] [stdout]     |
[INFO] [stdout] 155 |     assert_eq!(4455, solve_day4_part2(&input));
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day3.rs:69:20
[INFO] [stdout]    |
[INFO] [stdout] 69 |     type Err = Box<Error>;
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 69 |     type Err = Box<dyn Error>;
[INFO] [stdout]    |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day4.rs:14:20
[INFO] [stdout]    |
[INFO] [stdout] 14 |     type Err = Box<Error>;
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 14 |     type Err = Box<dyn Error>;
[INFO] [stdout]    |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc_2018` (lib test) due to 16 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `aoc_2018` (lib) due to 12 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "1becef3768e85908447b95975b988750cfcb45f6461661514d21bdb45b3d02fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1becef3768e85908447b95975b988750cfcb45f6461661514d21bdb45b3d02fe", kill_on_drop: false }`
[INFO] [stdout] 1becef3768e85908447b95975b988750cfcb45f6461661514d21bdb45b3d02fe