[INFO] cloning repository https://github.com/ahenshaw/aoc2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ahenshaw/aoc2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahenshaw%2Faoc2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahenshaw%2Faoc2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 24b6d59038157db35c80877004a053ef84d4f66a
[INFO] checking ahenshaw/aoc2021 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahenshaw%2Faoc2021" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ahenshaw/aoc2021
[INFO] finished tweaking git repo https://github.com/ahenshaw/aoc2021
[INFO] tweaked toml for git repo https://github.com/ahenshaw/aoc2021 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ahenshaw/aoc2021 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ahenshaw/aoc2021 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 573ec1de27c7a05c9dd932df529512e78baa63a4309dd306150431b767db5f99
[INFO] running `Command { std: "docker" "start" "-a" "573ec1de27c7a05c9dd932df529512e78baa63a4309dd306150431b767db5f99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "573ec1de27c7a05c9dd932df529512e78baa63a4309dd306150431b767db5f99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "573ec1de27c7a05c9dd932df529512e78baa63a4309dd306150431b767db5f99", kill_on_drop: false }`
[INFO] [stdout] 573ec1de27c7a05c9dd932df529512e78baa63a4309dd306150431b767db5f99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ce298bcba4e7460e63e34d59b1012587dcfff6cdbb77274b7fa539fd8cef150
[INFO] running `Command { std: "docker" "start" "-a" "3ce298bcba4e7460e63e34d59b1012587dcfff6cdbb77274b7fa539fd8cef150", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling anyhow v1.0.48
[INFO] [stderr]    Compiling argh_shared v0.1.6
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking counter v0.5.2
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.22
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking ndarray v0.15.4
[INFO] [stderr]     Checking const_format v0.2.22
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]    Compiling argh_derive v0.1.6
[INFO] [stderr]    Compiling sscanf_macro v0.1.3
[INFO] [stderr]     Checking sscanf v0.1.3
[INFO] [stderr]     Checking argh v0.1.6
[INFO] [stderr]     Checking aoc2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]  --> src/day_2.rs:8:43
[INFO] [stdout]   |
[INFO] [stdout] 8 |         .map(|line| scanf!(line, "{} {}", String, i32).unwrap())
[INFO] [stdout]   |                                           ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/day_8.rs:6:31
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn input_generator(input: &str) -> Input {
[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] 6 | pub fn input_generator(input: &str) -> Input<'_> {
[INFO] [stdout]   |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]  --> src/day_12.rs:9:58
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let (left, right) = scanf!(line.trim(), "{}-{}", String, String).unwrap();
[INFO] [stdout]   |                                                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]  --> src/day_12.rs:9:66
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let (left, right) = scanf!(line.trim(), "{}-{}", String, String).unwrap();
[INFO] [stdout]   |                                                                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/day_13.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn input_generator(input: &str) -> Input {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn input_generator(input: &str) -> Input<'_> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc2021` (lib) due to 3 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]  --> src/day_2.rs:8:43
[INFO] [stdout]   |
[INFO] [stdout] 8 |         .map(|line| scanf!(line, "{} {}", String, i32).unwrap())
[INFO] [stdout]   |                                           ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/day_8.rs:6:31
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn input_generator(input: &str) -> Input {
[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] 6 | pub fn input_generator(input: &str) -> Input<'_> {
[INFO] [stdout]   |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]  --> src/day_12.rs:9:58
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let (left, right) = scanf!(line.trim(), "{}-{}", String, String).unwrap();
[INFO] [stdout]   |                                                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]  --> src/day_12.rs:9:66
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let (left, right) = scanf!(line.trim(), "{}-{}", String, String).unwrap();
[INFO] [stdout]   |                                                                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/day_13.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn input_generator(input: &str) -> Input {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn input_generator(input: &str) -> Input<'_> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc2021` (lib test) due to 3 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "3ce298bcba4e7460e63e34d59b1012587dcfff6cdbb77274b7fa539fd8cef150", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ce298bcba4e7460e63e34d59b1012587dcfff6cdbb77274b7fa539fd8cef150", kill_on_drop: false }`
[INFO] [stdout] 3ce298bcba4e7460e63e34d59b1012587dcfff6cdbb77274b7fa539fd8cef150
