[INFO] cloning repository https://github.com/hurryabit/adventofcode-2015
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hurryabit/adventofcode-2015" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhurryabit%2Fadventofcode-2015", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhurryabit%2Fadventofcode-2015'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 853a0728b8c2d972d2a592ab18fd66251e81c248
[INFO] checking hurryabit/adventofcode-2015 against try#723ab942d877517caf445dafde0416803ef56501 for pr-143857
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhurryabit%2Fadventofcode-2015" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hurryabit/adventofcode-2015
[INFO] finished tweaking git repo https://github.com/hurryabit/adventofcode-2015
[INFO] tweaked toml for git repo https://github.com/hurryabit/adventofcode-2015 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hurryabit/adventofcode-2015 on toolchain 723ab942d877517caf445dafde0416803ef56501
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+723ab942d877517caf445dafde0416803ef56501" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hurryabit/adventofcode-2015 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" "+723ab942d877517caf445dafde0416803ef56501" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+723ab942d877517caf445dafde0416803ef56501" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d446ab9657f2744a3d40c862093567d923684fb860512f2c88087f0b8420bd5b
[INFO] running `Command { std: "docker" "start" "-a" "d446ab9657f2744a3d40c862093567d923684fb860512f2c88087f0b8420bd5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d446ab9657f2744a3d40c862093567d923684fb860512f2c88087f0b8420bd5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d446ab9657f2744a3d40c862093567d923684fb860512f2c88087f0b8420bd5b", kill_on_drop: false }`
[INFO] [stdout] d446ab9657f2744a3d40c862093567d923684fb860512f2c88087f0b8420bd5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+723ab942d877517caf445dafde0416803ef56501" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2965c852a89712c90735d9da89cf71213c9d43a0e1de5a47f52be206a1d46744
[INFO] running `Command { std: "docker" "start" "-a" "2965c852a89712c90735d9da89cf71213c9d43a0e1de5a47f52be206a1d46744", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking adventofcode-2015 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/bin/day13a.rs:68:40
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn permutations<T: ?Sized>(values: Vec<&T>) -> Permutations<T> {
[INFO] [stdout]    |                                        ^^      --------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                                        |
[INFO] [stdout]    |                                        this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn permutations<T: ?Sized>(values: Vec<&T>) -> Permutations<'_, T> {
[INFO] [stdout]    |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/bin/day09b.rs:13:32
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn permutations<T>(values: Vec<&T>) -> Permutations<T> {
[INFO] [stdout]    |                                ^^      --------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn permutations<T>(values: Vec<&T>) -> Permutations<'_, T> {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/bin/day09a.rs:13:32
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn permutations<T>(values: Vec<&T>) -> Permutations<T> {
[INFO] [stdout]    |                                ^^      --------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn permutations<T>(values: Vec<&T>) -> Permutations<'_, T> {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/bin/day13a.rs:68:40
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn permutations<T: ?Sized>(values: Vec<&T>) -> Permutations<T> {
[INFO] [stdout]    |                                        ^^      --------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                                        |
[INFO] [stdout]    |                                        this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn permutations<T: ?Sized>(values: Vec<&T>) -> Permutations<'_, T> {
[INFO] [stdout]    |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/bin/day13b.rs:67:40
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn permutations<T: ?Sized>(values: Vec<&T>) -> Permutations<T> {
[INFO] [stdout]    |                                        ^^      --------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                                        |
[INFO] [stdout]    |                                        this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn permutations<T: ?Sized>(values: Vec<&T>) -> Permutations<'_, T> {
[INFO] [stdout]    |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/bin/day09b.rs:13:32
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn permutations<T>(values: Vec<&T>) -> Permutations<T> {
[INFO] [stdout]    |                                ^^      --------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn permutations<T>(values: Vec<&T>) -> Permutations<'_, T> {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/bin/day09a.rs:13:32
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn permutations<T>(values: Vec<&T>) -> Permutations<T> {
[INFO] [stdout]    |                                ^^      --------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn permutations<T>(values: Vec<&T>) -> Permutations<'_, T> {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/bin/day13b.rs:67:40
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn permutations<T: ?Sized>(values: Vec<&T>) -> Permutations<T> {
[INFO] [stdout]    |                                        ^^      --------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                                        |
[INFO] [stdout]    |                                        this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn permutations<T: ?Sized>(values: Vec<&T>) -> Permutations<'_, T> {
[INFO] [stdout]    |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.14s
[INFO] running `Command { std: "docker" "inspect" "2965c852a89712c90735d9da89cf71213c9d43a0e1de5a47f52be206a1d46744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2965c852a89712c90735d9da89cf71213c9d43a0e1de5a47f52be206a1d46744", kill_on_drop: false }`
[INFO] [stdout] 2965c852a89712c90735d9da89cf71213c9d43a0e1de5a47f52be206a1d46744