[INFO] cloning repository https://github.com/vlmonk/advent2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vlmonk/advent2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvlmonk%2Fadvent2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvlmonk%2Fadvent2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 55ef4a558e8bf43f7722ef1635266c1e93087ac7
[INFO] checking vlmonk/advent2020 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvlmonk%2Fadvent2020" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/vlmonk/advent2020
[INFO] finished tweaking git repo https://github.com/vlmonk/advent2020
[INFO] tweaked toml for git repo https://github.com/vlmonk/advent2020 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vlmonk/advent2020 on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/vlmonk/advent2020 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eea0832d86e39172133659dc395624a3d0d6c0eee8c9195313efd6a6836825a5
[INFO] running `Command { std: "docker" "start" "-a" "eea0832d86e39172133659dc395624a3d0d6c0eee8c9195313efd6a6836825a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eea0832d86e39172133659dc395624a3d0d6c0eee8c9195313efd6a6836825a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eea0832d86e39172133659dc395624a3d0d6c0eee8c9195313efd6a6836825a5", kill_on_drop: false }`
[INFO] [stdout] eea0832d86e39172133659dc395624a3d0d6c0eee8c9195313efd6a6836825a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f774954dd70b41665a42452f60f64b57064d6900029d780d46b3eb3a60a9f1d
[INFO] running `Command { std: "docker" "start" "-a" "1f774954dd70b41665a42452f60f64b57064d6900029d780d46b3eb3a60a9f1d", kill_on_drop: false }`
[INFO] [stderr]     Checking advent2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/day07/main.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn parse(input: &str) -> Option<(ContainRules, NumberRules)> {
[INFO] [stdout]    |                 ^^^^             ^^^^^^^^^^^^  ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |                |
[INFO] [stdout]    |                 |                the same lifetime is hidden here
[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] 36 | fn parse(input: &str) -> Option<(ContainRules<'_>, NumberRules<'_>)> {
[INFO] [stdout]    |                                              ++++             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/day11/direction.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn iter(&self, x: usize, y: usize) -> PairIter {
[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] 30 |     pub fn iter(&self, x: usize, y: usize) -> PairIter<'_> {
[INFO] [stdout]    |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Lexer` is never used
[INFO] [stdout]  --> src/day18/lexer.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | trait Lexer<T>: Iterator<Item = T> {
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::hash_map::DefaultHasher`
[INFO] [stdout]  --> src/day22/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::hash_map::DefaultHasher;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hash::Hasher`
[INFO] [stdout]  --> src/day22/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::hash::Hasher;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/day17/main.rs:360:13
[INFO] [stdout]     |
[INFO] [stdout] 360 | /             writeln!(
[INFO] [stdout] 361 | |                 f,
[INFO] [stdout] 362 | |                 "Dimension: X: {}:{}, Y: {}:{}, Z: {}:{}",
[INFO] [stdout] 363 | |                 d.min.x, d.max.x, d.min.y, d.max.y, d.min.z, d.max.z
[INFO] [stdout] 364 | |             );
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 360 |             let _ = writeln!(
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/day17/main.rs:367:17
[INFO] [stdout]     |
[INFO] [stdout] 367 |                 write!(f, "Layer {}\n", z);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 367 |                 let _ = write!(f, "Layer {}\n", z);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/day17/main.rs:371:29
[INFO] [stdout]     |
[INFO] [stdout] 371 | ...                   write!(f, "#");
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 371 |                             let _ = write!(f, "#");
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/day17/main.rs:373:29
[INFO] [stdout]     |
[INFO] [stdout] 373 | ...                   write!(f, ".");
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 373 |                             let _ = write!(f, ".");
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/day17/main.rs:377:21
[INFO] [stdout]     |
[INFO] [stdout] 377 |                     write!(f, "\n");
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 377 |                     let _ = write!(f, "\n");
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/day17/main.rs:360:13
[INFO] [stdout]     |
[INFO] [stdout] 360 | /             writeln!(
[INFO] [stdout] 361 | |                 f,
[INFO] [stdout] 362 | |                 "Dimension: X: {}:{}, Y: {}:{}, Z: {}:{}",
[INFO] [stdout] 363 | |                 d.min.x, d.max.x, d.min.y, d.max.y, d.min.z, d.max.z
[INFO] [stdout] 364 | |             );
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 360 |             let _ = writeln!(
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/day11/direction.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn iter(&self, x: usize, y: usize) -> PairIter {
[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] 30 |     pub fn iter(&self, x: usize, y: usize) -> PairIter<'_> {
[INFO] [stdout]    |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/day07/main.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn parse(input: &str) -> Option<(ContainRules, NumberRules)> {
[INFO] [stdout]    |                 ^^^^             ^^^^^^^^^^^^  ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |                |
[INFO] [stdout]    |                 |                the same lifetime is hidden here
[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] 36 | fn parse(input: &str) -> Option<(ContainRules<'_>, NumberRules<'_>)> {
[INFO] [stdout]    |                                              ++++             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/day17/main.rs:367:17
[INFO] [stdout]     |
[INFO] [stdout] 367 |                 write!(f, "Layer {}\n", z);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 367 |                 let _ = write!(f, "Layer {}\n", z);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/day17/main.rs:371:29
[INFO] [stdout]     |
[INFO] [stdout] 371 | ...                   write!(f, "#");
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 371 |                             let _ = write!(f, "#");
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/day17/main.rs:373:29
[INFO] [stdout]     |
[INFO] [stdout] 373 | ...                   write!(f, ".");
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 373 |                             let _ = write!(f, ".");
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/day17/main.rs:377:21
[INFO] [stdout]     |
[INFO] [stdout] 377 |                     write!(f, "\n");
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 377 |                     let _ = write!(f, "\n");
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::hash_map::DefaultHasher`
[INFO] [stdout]  --> src/day22/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::hash_map::DefaultHasher;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hash::Hasher`
[INFO] [stdout]  --> src/day22/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::hash::Hasher;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Lexer` is never used
[INFO] [stdout]  --> src/day18/lexer.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | trait Lexer<T>: Iterator<Item = T> {
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "1f774954dd70b41665a42452f60f64b57064d6900029d780d46b3eb3a60a9f1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f774954dd70b41665a42452f60f64b57064d6900029d780d46b3eb3a60a9f1d", kill_on_drop: false }`
[INFO] [stdout] 1f774954dd70b41665a42452f60f64b57064d6900029d780d46b3eb3a60a9f1d
