[INFO] cloning repository https://github.com/smCloudInTheSky/aoc_2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/smCloudInTheSky/aoc_2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FsmCloudInTheSky%2Faoc_2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FsmCloudInTheSky%2Faoc_2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4e57d36cee68b3fb6bbd5bd18c86a419f7b0e2d3
[INFO] checking smCloudInTheSky/aoc_2021 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FsmCloudInTheSky%2Faoc_2021" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/smCloudInTheSky/aoc_2021
[INFO] finished tweaking git repo https://github.com/smCloudInTheSky/aoc_2021
[INFO] tweaked toml for git repo https://github.com/smCloudInTheSky/aoc_2021 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/smCloudInTheSky/aoc_2021 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/smCloudInTheSky/aoc_2021 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] fa0e0f7ae2e9cab43ff1cbe6d2cd272e6dae1590bb495a0302a6c0d4755d0cf6
[INFO] running `Command { std: "docker" "start" "-a" "fa0e0f7ae2e9cab43ff1cbe6d2cd272e6dae1590bb495a0302a6c0d4755d0cf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa0e0f7ae2e9cab43ff1cbe6d2cd272e6dae1590bb495a0302a6c0d4755d0cf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa0e0f7ae2e9cab43ff1cbe6d2cd272e6dae1590bb495a0302a6c0d4755d0cf6", kill_on_drop: false }`
[INFO] [stdout] fa0e0f7ae2e9cab43ff1cbe6d2cd272e6dae1590bb495a0302a6c0d4755d0cf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] dfccc86344bba4cb667b45b60b12bb22fc47c67e824e2e8e62ae008f717f3329
[INFO] running `Command { std: "docker" "start" "-a" "dfccc86344bba4cb667b45b60b12bb22fc47c67e824e2e8e62ae008f717f3329", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking advent_of_code_2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::convert::TryFrom`
[INFO] [stdout]  --> src/bin/day_seven.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/bin/day_seven.rs:27:53
[INFO] [stdout]    |
[INFO] [stdout] 27 |   let mut count: Vec<u64> = vec![0u64 ; ( new_list[ (len - 1)  ] + 1 ) as usize ];
[INFO] [stdout]    |                                                     ^       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 27 -   let mut count: Vec<u64> = vec![0u64 ; ( new_list[ (len - 1)  ] + 1 ) as usize ];
[INFO] [stdout] 27 +   let mut count: Vec<u64> = vec![0u64 ; ( new_list[ len - 1   ] + 1 ) as usize ];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/bin/day_seven.rs:59:53
[INFO] [stdout]    |
[INFO] [stdout] 59 |   let mut count: Vec<u64> = vec![0u64 ; ( new_list[ (len - 1)  ] + 1 ) as usize ];
[INFO] [stdout]    |                                                     ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 59 -   let mut count: Vec<u64> = vec![0u64 ; ( new_list[ (len - 1)  ] + 1 ) as usize ];
[INFO] [stdout] 59 +   let mut count: Vec<u64> = vec![0u64 ; ( new_list[ len - 1   ] + 1 ) as usize ];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `list_string` is never read
[INFO] [stdout]   --> src/bin/day_six.rs:66:36
[INFO] [stdout]    |
[INFO] [stdout] 66 |   let mut list_string: Vec<&str> = Vec::new() ;
[INFO] [stdout]    |                                    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day_six.rs:80:7
[INFO] [stdout]    |
[INFO] [stdout] 80 |   let mut day: u16 = 0 ;
[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]   --> src/bin/day_six.rs:81:7
[INFO] [stdout]    |
[INFO] [stdout] 81 |   let mut mat_fib = mat.clone() ; 
[INFO] [stdout]    |       ----^^^^^^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mat_fib`
[INFO] [stdout]   --> src/bin/day_six.rs:81:7
[INFO] [stdout]    |
[INFO] [stdout] 81 |   let mut mat_fib = mat.clone() ; 
[INFO] [stdout]    |       ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mat_fib`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fibo` is never used
[INFO] [stdout]  --> src/bin/day_six.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn fibo(list: &mut Vec<u8> ) {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day_seven.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 |   let mut res: u64 = 0 ;
[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: unused variable: `res`
[INFO] [stdout]   --> src/bin/day_seven.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 |   let mut res: u64 = 0 ;
[INFO] [stdout]    |       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `list_string` is never read
[INFO] [stdout]   --> src/bin/day_seven.rs:76:36
[INFO] [stdout]    |
[INFO] [stdout] 76 |   let mut list_string: Vec<&str> = Vec::new() ;
[INFO] [stdout]    |                                    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryFrom`
[INFO] [stdout]  --> src/bin/day_seven.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/bin/day_seven.rs:27:53
[INFO] [stdout]    |
[INFO] [stdout] 27 |   let mut count: Vec<u64> = vec![0u64 ; ( new_list[ (len - 1)  ] + 1 ) as usize ];
[INFO] [stdout]    |                                                     ^       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 27 -   let mut count: Vec<u64> = vec![0u64 ; ( new_list[ (len - 1)  ] + 1 ) as usize ];
[INFO] [stdout] 27 +   let mut count: Vec<u64> = vec![0u64 ; ( new_list[ len - 1   ] + 1 ) as usize ];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/bin/day_seven.rs:59:53
[INFO] [stdout]    |
[INFO] [stdout] 59 |   let mut count: Vec<u64> = vec![0u64 ; ( new_list[ (len - 1)  ] + 1 ) as usize ];
[INFO] [stdout]    |                                                     ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 59 -   let mut count: Vec<u64> = vec![0u64 ; ( new_list[ (len - 1)  ] + 1 ) as usize ];
[INFO] [stdout] 59 +   let mut count: Vec<u64> = vec![0u64 ; ( new_list[ len - 1   ] + 1 ) as usize ];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day_seven.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 |   let mut res: u64 = 0 ;
[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: unused variable: `res`
[INFO] [stdout]   --> src/bin/day_seven.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 |   let mut res: u64 = 0 ;
[INFO] [stdout]    |       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `list_string` is never read
[INFO] [stdout]   --> src/bin/day_seven.rs:76:36
[INFO] [stdout]    |
[INFO] [stdout] 76 |   let mut list_string: Vec<&str> = Vec::new() ;
[INFO] [stdout]    |                                    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `list_string` is never read
[INFO] [stdout]   --> src/bin/day_six.rs:66:36
[INFO] [stdout]    |
[INFO] [stdout] 66 |   let mut list_string: Vec<&str> = Vec::new() ;
[INFO] [stdout]    |                                    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day_six.rs:80:7
[INFO] [stdout]    |
[INFO] [stdout] 80 |   let mut day: u16 = 0 ;
[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]   --> src/bin/day_six.rs:81:7
[INFO] [stdout]    |
[INFO] [stdout] 81 |   let mut mat_fib = mat.clone() ; 
[INFO] [stdout]    |       ----^^^^^^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mat_fib`
[INFO] [stdout]   --> src/bin/day_six.rs:81:7
[INFO] [stdout]    |
[INFO] [stdout] 81 |   let mut mat_fib = mat.clone() ; 
[INFO] [stdout]    |       ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mat_fib`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fibo` is never used
[INFO] [stdout]  --> src/bin/day_six.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn fibo(list: &mut Vec<u8> ) {
[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 6.03s
[INFO] running `Command { std: "docker" "inspect" "dfccc86344bba4cb667b45b60b12bb22fc47c67e824e2e8e62ae008f717f3329", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfccc86344bba4cb667b45b60b12bb22fc47c67e824e2e8e62ae008f717f3329", kill_on_drop: false }`
[INFO] [stdout] dfccc86344bba4cb667b45b60b12bb22fc47c67e824e2e8e62ae008f717f3329
