[INFO] cloning repository https://github.com/lemmi/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/lemmi/aoc_2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flemmi%2Faoc_2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flemmi%2Faoc_2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 501db88918eb5221663cc87f55e33b086b2d5fde
[INFO] checking lemmi/aoc_2018/501db88918eb5221663cc87f55e33b086b2d5fde against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flemmi%2Faoc_2018" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lemmi/aoc_2018
[INFO] finished tweaking git repo https://github.com/lemmi/aoc_2018
[INFO] tweaked toml for git repo https://github.com/lemmi/aoc_2018 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lemmi/aoc_2018 on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lemmi/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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d735ff547aa591eddd70a1c6d44c6ec8757664c846ed75fe391c9dbb934f6b5c
[INFO] running `Command { std: "docker" "start" "-a" "d735ff547aa591eddd70a1c6d44c6ec8757664c846ed75fe391c9dbb934f6b5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d735ff547aa591eddd70a1c6d44c6ec8757664c846ed75fe391c9dbb934f6b5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d735ff547aa591eddd70a1c6d44c6ec8757664c846ed75fe391c9dbb934f6b5c", kill_on_drop: false }`
[INFO] [stdout] d735ff547aa591eddd70a1c6d44c6ec8757664c846ed75fe391c9dbb934f6b5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce9f4ea4126df9c700ab499f037b4579ca8c3b5602f3c14746d5e81a61fc9f93
[INFO] running `Command { std: "docker" "start" "-a" "ce9f4ea4126df9c700ab499f037b4579ca8c3b5602f3c14746d5e81a61fc9f93", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking aoc_2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]  --> src/day02/mod.rs:4:36
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn count_same_first(v: &[char]) -> (usize) {
[INFO] [stdout]   |                                    ^     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 4 - fn count_same_first(v: &[char]) -> (usize) {
[INFO] [stdout] 4 + fn count_same_first(v: &[char]) -> usize  {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]  --> src/day02/mod.rs:4:36
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn count_same_first(v: &[char]) -> (usize) {
[INFO] [stdout]   |                                    ^     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 4 - fn count_same_first(v: &[char]) -> (usize) {
[INFO] [stdout] 4 + fn count_same_first(v: &[char]) -> usize  {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/day08/mod.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn build(s: &[u32]) -> Result<(Node, usize), StarError> {
[INFO] [stdout]    |                 ^^^^^^             ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn build(s: &[u32]) -> Result<(Node<'_>, usize), StarError> {
[INFO] [stdout]    |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/day13/mod.rs:133:39
[INFO] [stdout]     |
[INFO] [stdout] 133 |                     c => unreachable!(format!("Got {}", c)),
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `unreachable!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `unreachable!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 133 -                     c => unreachable!(format!("Got {}", c)),
[INFO] [stdout] 133 +                     c => unreachable!("Got {}", c),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/day08/mod.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn build(s: &[u32]) -> Result<(Node, usize), StarError> {
[INFO] [stdout]    |                 ^^^^^^             ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn build(s: &[u32]) -> Result<(Node<'_>, usize), StarError> {
[INFO] [stdout]    |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/day13/mod.rs:133:39
[INFO] [stdout]     |
[INFO] [stdout] 133 |                     c => unreachable!(format!("Got {}", c)),
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `unreachable!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `unreachable!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 133 -                     c => unreachable!(format!("Got {}", c)),
[INFO] [stdout] 133 +                     c => unreachable!("Got {}", c),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.60s
[INFO] running `Command { std: "docker" "inspect" "ce9f4ea4126df9c700ab499f037b4579ca8c3b5602f3c14746d5e81a61fc9f93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce9f4ea4126df9c700ab499f037b4579ca8c3b5602f3c14746d5e81a61fc9f93", kill_on_drop: false }`
[INFO] [stdout] ce9f4ea4126df9c700ab499f037b4579ca8c3b5602f3c14746d5e81a61fc9f93
