[INFO] cloning repository https://github.com/sesquipedalian-dev/advent-of-code-2020-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sesquipedalian-dev/advent-of-code-2020-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsesquipedalian-dev%2Fadvent-of-code-2020-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsesquipedalian-dev%2Fadvent-of-code-2020-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aaa626d7eab67fc9ff04fe67b0e2726f044cf0b9
[INFO] checking sesquipedalian-dev/advent-of-code-2020-rust against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsesquipedalian-dev%2Fadvent-of-code-2020-rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sesquipedalian-dev/advent-of-code-2020-rust
[INFO] finished tweaking git repo https://github.com/sesquipedalian-dev/advent-of-code-2020-rust
[INFO] tweaked toml for git repo https://github.com/sesquipedalian-dev/advent-of-code-2020-rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sesquipedalian-dev/advent-of-code-2020-rust 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/sesquipedalian-dev/advent-of-code-2020-rust 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7d6ff74c9af2c8a6cd28fe6b852038466e89f47aa39b3a7c62947a0f80741269
[INFO] running `Command { std: "docker" "start" "-a" "7d6ff74c9af2c8a6cd28fe6b852038466e89f47aa39b3a7c62947a0f80741269", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d6ff74c9af2c8a6cd28fe6b852038466e89f47aa39b3a7c62947a0f80741269", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d6ff74c9af2c8a6cd28fe6b852038466e89f47aa39b3a7c62947a0f80741269", kill_on_drop: false }`
[INFO] [stdout] 7d6ff74c9af2c8a6cd28fe6b852038466e89f47aa39b3a7c62947a0f80741269
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 43defdebd8b76b954ef07fab2309f0d79366c26819f86ab6b130aaa50b1e7916
[INFO] running `Command { std: "docker" "start" "-a" "43defdebd8b76b954ef07fab2309f0d79366c26819f86ab6b130aaa50b1e7916", kill_on_drop: false }`
[INFO] [stderr]     Checking advent_2020_common v0.1.0 (/opt/rustwide/workdir/advent_2020_common)
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> advent_2020_common/src/life.rs:251:22
[INFO] [stdout]     |
[INFO] [stdout] 251 |     pub fn neighbors(&self, row: isize, column: isize) -> NeighborIterator<DimensionType> {
[INFO] [stdout]     |                      ^^^^^ the lifetime is elided here    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 251 |     pub fn neighbors(&self, row: isize, column: isize) -> NeighborIterator<'_, DimensionType> {
[INFO] [stdout]     |                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> advent_2020_common/src/life.rs:255:33
[INFO] [stdout]     |
[INFO] [stdout] 255 |     pub fn neighbors_skip_floor(&self, row: isize, column: isize) -> NeighborIterator<DimensionType> {
[INFO] [stdout]     |                                 ^^^^^ the lifetime is elided here    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 255 |     pub fn neighbors_skip_floor(&self, row: isize, column: isize) -> NeighborIterator<'_, DimensionType> {
[INFO] [stdout]     |                                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking advent_2020_day_13 v0.1.0 (/opt/rustwide/workdir/advent_2020_day_13)
[INFO] [stderr]     Checking advent_2020_day_11 v0.1.0 (/opt/rustwide/workdir/advent_2020_day_11)
[INFO] [stderr]     Checking advent_2020_day_15 v0.1.0 (/opt/rustwide/workdir/advent_2020_day_15)
[INFO] [stderr]     Checking advent_2020_day_3 v0.1.0 (/opt/rustwide/workdir/advent_2020_day_3)
[INFO] [stderr]     Checking advent_2020_day_2 v0.1.0 (/opt/rustwide/workdir/advent_2020_day_2)
[INFO] [stderr]     Checking advent_2020_day_6 v0.1.0 (/opt/rustwide/workdir/advent_2020_day_6)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> advent_2020_common/src/life.rs:476:13
[INFO] [stdout]     |
[INFO] [stdout] 476 |         let mut input = LifeSpace::<TwoD>::new(&example(), 2).unwrap();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> advent_2020_common/src/life.rs:488:13
[INFO] [stdout]     |
[INFO] [stdout] 488 |         let mut input = LifeSpace::<TwoD>::new(&example(), 2).unwrap();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> advent_2020_common/src/life.rs:498:13
[INFO] [stdout]     |
[INFO] [stdout] 498 |         let mut input = LifeSpace::<TwoD>::new(&example(), 2).unwrap();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> advent_2020_common/src/life.rs:251:22
[INFO] [stdout]     |
[INFO] [stdout] 251 |     pub fn neighbors(&self, row: isize, column: isize) -> NeighborIterator<DimensionType> {
[INFO] [stdout]     |                      ^^^^^ the lifetime is elided here    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 251 |     pub fn neighbors(&self, row: isize, column: isize) -> NeighborIterator<'_, DimensionType> {
[INFO] [stdout]     |                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> advent_2020_common/src/life.rs:255:33
[INFO] [stdout]     |
[INFO] [stdout] 255 |     pub fn neighbors_skip_floor(&self, row: isize, column: isize) -> NeighborIterator<DimensionType> {
[INFO] [stdout]     |                                 ^^^^^ the lifetime is elided here    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 255 |     pub fn neighbors_skip_floor(&self, row: isize, column: isize) -> NeighborIterator<'_, DimensionType> {
[INFO] [stdout]     |                                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking advent_2020_day_4 v0.1.0 (/opt/rustwide/workdir/advent_2020_day_4)
[INFO] [stderr]     Checking advent_2020_day_5 v0.1.0 (/opt/rustwide/workdir/advent_2020_day_5)
[INFO] [stderr]     Checking advent_2020_day_12 v0.1.0 (/opt/rustwide/workdir/advent_2020_day_12)
[INFO] [stderr]     Checking advent_2020_day_1 v0.1.0 (/opt/rustwide/workdir/advent_2020_day_1)
[INFO] [stderr]     Checking advent_2020_day_14 v0.1.0 (/opt/rustwide/workdir/advent_2020_day_14)
[INFO] [stderr]     Checking advent_2020_day_9 v0.1.0 (/opt/rustwide/workdir/advent_2020_day_9)
[INFO] [stderr]     Checking advent_2020_day_7 v0.1.0 (/opt/rustwide/workdir/advent_2020_day_7)
[INFO] [stderr]     Checking advent_2020_day_19 v0.1.0 (/opt/rustwide/workdir/advent_2020_day_19)
[INFO] [stderr]     Checking advent_2020_day_18 v0.1.0 (/opt/rustwide/workdir/advent_2020_day_18)
[INFO] [stderr]     Checking advent_2020_day_17 v0.1.0 (/opt/rustwide/workdir/advent_2020_day_17)
[INFO] [stderr]     Checking advent_2020_day_8 v0.1.0 (/opt/rustwide/workdir/advent_2020_day_8)
[INFO] [stderr]     Checking advent_2020_day_10 v0.1.0 (/opt/rustwide/workdir/advent_2020_day_10)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> advent_2020_day_14/src/lib.rs:47:14
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn build(&self, mem_address: u64) -> MaskedAddressUpdateIterator {
[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] 47 |     fn build(&self, mem_address: u64) -> MaskedAddressUpdateIterator<'_> {
[INFO] [stdout]    |                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> advent_2020_day_17/src/lib.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashSet, HashMap};
[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 variable: `mask`
[INFO] [stdout]   --> advent_2020_day_17/src/lib.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |             let mask = 0b11;
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_mask`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `spots` is never read
[INFO] [stdout]  --> advent_2020_day_17/src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct NeighborCoordIterator<'a, DimensionType> where
[INFO] [stdout]   |        --------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |     spots: &'a HashMap<Coord<DimensionType>, LifeOption>,
[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: `HashSet`
[INFO] [stdout]  --> advent_2020_day_17/src/lib.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashSet, HashMap};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_second_third` is never used
[INFO] [stdout]    --> advent_2020_day_18/src/lib.rs:228:8
[INFO] [stdout]     |
[INFO] [stdout] 228 |     fn test_second_third() { 
[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 variable: `mask`
[INFO] [stdout]   --> advent_2020_day_17/src/lib.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |             let mask = 0b11;
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_mask`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `spots` is never read
[INFO] [stdout]  --> advent_2020_day_17/src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct NeighborCoordIterator<'a, DimensionType> where
[INFO] [stdout]   |        --------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |     spots: &'a HashMap<Coord<DimensionType>, LifeOption>,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> advent_2020_day_14/src/lib.rs:47:14
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn build(&self, mem_address: u64) -> MaskedAddressUpdateIterator {
[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] 47 |     fn build(&self, mem_address: u64) -> MaskedAddressUpdateIterator<'_> {
[INFO] [stdout]    |                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking advent_2020_day_16 v0.1.0 (/opt/rustwide/workdir/advent_2020_day_16)
[INFO] [stdout] warning: unused import: `Chunk`
[INFO] [stdout]  --> advent_2020_day_16/src/lib.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use itertools::{Chunk, Itertools};
[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: `Itertools`
[INFO] [stdout]  --> advent_2020_day_16/src/lib.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use itertools::{Chunk, Itertools};
[INFO] [stdout]   |                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Chunk`
[INFO] [stdout]  --> advent_2020_day_16/src/lib.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use itertools::{Chunk, Itertools};
[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: `Itertools`
[INFO] [stdout]  --> advent_2020_day_16/src/lib.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use itertools::{Chunk, Itertools};
[INFO] [stdout]   |                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.58s
[INFO] running `Command { std: "docker" "inspect" "43defdebd8b76b954ef07fab2309f0d79366c26819f86ab6b130aaa50b1e7916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43defdebd8b76b954ef07fab2309f0d79366c26819f86ab6b130aaa50b1e7916", kill_on_drop: false }`
[INFO] [stdout] 43defdebd8b76b954ef07fab2309f0d79366c26819f86ab6b130aaa50b1e7916
