[INFO] cloning repository https://github.com/jlricon/advent-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jlricon/advent-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjlricon%2Fadvent-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjlricon%2Fadvent-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4198d90acd050e662063b496daab946d69cb49a2
[INFO] checking jlricon/advent-2020 against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjlricon%2Fadvent-2020" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jlricon/advent-2020 on toolchain 82acd1d76add2232e19c1f0feb250d2a19ec6efe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jlricon/advent-2020
[INFO] finished tweaking git repo https://github.com/jlricon/advent-2020
[INFO] tweaked toml for git repo https://github.com/jlricon/advent-2020 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/jlricon/advent-2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8dae60b41a83e52f5a491d11a93704ea3ba41e6e2306dbbce7d79c6ce704e5be
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8dae60b41a83e52f5a491d11a93704ea3ba41e6e2306dbbce7d79c6ce704e5be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8dae60b41a83e52f5a491d11a93704ea3ba41e6e2306dbbce7d79c6ce704e5be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dae60b41a83e52f5a491d11a93704ea3ba41e6e2306dbbce7d79c6ce704e5be", kill_on_drop: false }`
[INFO] [stdout] 8dae60b41a83e52f5a491d11a93704ea3ba41e6e2306dbbce7d79c6ce704e5be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7970908d1d6a20c03d93f8ee2652c1d22438d799ddb9cb3abf7bfa277413c8da
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7970908d1d6a20c03d93f8ee2652c1d22438d799ddb9cb3abf7bfa277413c8da", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking rand_core v0.6.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling im-rc v15.0.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking sized-chunks v0.6.2
[INFO] [stderr]     Checking advent-2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/day2.rs:52:14
[INFO] [stdout]    |
[INFO] [stdout] 52 |             };
[INFO] [stdout]    |              ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/bin/day24.rs:70:41
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let nblack = coords.iter().filter(|(k, v)| **v == true).count();
[INFO] [stdout]    |                                         ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/bin/day24.rs:89:41
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let nblack = coords.iter().filter(|(k, v)| **v == true).count();
[INFO] [stdout]    |                                         ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `trimmed_inp`
[INFO] [stdout]    --> src/bin/day20.rs:350:9
[INFO] [stdout]     |
[INFO] [stdout] 350 |     let trimmed_inp: Input = inp
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_trimmed_inp`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len_of_one_block`
[INFO] [stdout]    --> src/bin/day20.rs:371:9
[INFO] [stdout]     |
[INFO] [stdout] 371 |     let len_of_one_block = vec_row[0].len();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_len_of_one_block`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nblocks`
[INFO] [stdout]    --> src/bin/day20.rs:372:9
[INFO] [stdout]     |
[INFO] [stdout] 372 |     let nblocks = vec_row.len();
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_nblocks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `stack_horizontally_with`
[INFO] [stdout]   --> src/bin/day20.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn stack_horizontally_with(&self, t: &Tile) -> Tile {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `stack_vertically_with`
[INFO] [stdout]   --> src/bin/day20.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn stack_vertically_with(&self, t: &Tile) -> Tile {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `trimmed_inp`
[INFO] [stdout]    --> src/bin/day20.rs:350:9
[INFO] [stdout]     |
[INFO] [stdout] 350 |     let trimmed_inp: Input = inp
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_trimmed_inp`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len_of_one_block`
[INFO] [stdout]    --> src/bin/day20.rs:371:9
[INFO] [stdout]     |
[INFO] [stdout] 371 |     let len_of_one_block = vec_row[0].len();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_len_of_one_block`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nblocks`
[INFO] [stdout]    --> src/bin/day20.rs:372:9
[INFO] [stdout]     |
[INFO] [stdout] 372 |     let nblocks = vec_row.len();
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_nblocks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `stack_horizontally_with`
[INFO] [stdout]   --> src/bin/day20.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn stack_horizontally_with(&self, t: &Tile) -> Tile {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `stack_vertically_with`
[INFO] [stdout]   --> src/bin/day20.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn stack_vertically_with(&self, t: &Tile) -> Tile {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `og_input`
[INFO] [stdout]  --> src/bin/day23.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let og_input = inp.clone();
[INFO] [stdout]   |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_og_input`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/day4.rs:23:6
[INFO] [stdout]    |
[INFO] [stdout] 23 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `og_input`
[INFO] [stdout]  --> src/bin/day23.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let og_input = inp.clone();
[INFO] [stdout]   |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_og_input`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/day2.rs:52:14
[INFO] [stdout]    |
[INFO] [stdout] 52 |             };
[INFO] [stdout]    |              ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/day4.rs:23:6
[INFO] [stdout]    |
[INFO] [stdout] 23 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/bin/day24.rs:70:41
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let nblack = coords.iter().filter(|(k, v)| **v == true).count();
[INFO] [stdout]    |                                         ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/bin/day24.rs:89:41
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let nblack = coords.iter().filter(|(k, v)| **v == true).count();
[INFO] [stdout]    |                                         ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.76s
[INFO] running `Command { std: "docker" "inspect" "7970908d1d6a20c03d93f8ee2652c1d22438d799ddb9cb3abf7bfa277413c8da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7970908d1d6a20c03d93f8ee2652c1d22438d799ddb9cb3abf7bfa277413c8da", kill_on_drop: false }`
[INFO] [stdout] 7970908d1d6a20c03d93f8ee2652c1d22438d799ddb9cb3abf7bfa277413c8da