[INFO] cloning repository https://github.com/IanPoggers/bigbrain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/IanPoggers/bigbrain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIanPoggers%2Fbigbrain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIanPoggers%2Fbigbrain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3df3a68ed585cedcf4973d496e5af715731d2e7f
[INFO] checking IanPoggers/bigbrain against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIanPoggers%2Fbigbrain" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/IanPoggers/bigbrain on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/IanPoggers/bigbrain
[INFO] finished tweaking git repo https://github.com/IanPoggers/bigbrain
[INFO] tweaked toml for git repo https://github.com/IanPoggers/bigbrain written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/IanPoggers/bigbrain already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_xoshiro v0.4.0
[INFO] [stderr]   Downloaded font8x8 v0.2.7
[INFO] [stderr]   Downloaded rand_xorshift v0.3.0
[INFO] [stderr]   Downloaded ttf-parser v0.8.3
[INFO] [stderr]   Downloaded fontdue v0.4.0
[INFO] [stderr]   Downloaded genevo v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b1bc66616e206ba38e8d740b13e91c1e83ee7cbc91969dd4d969626200a40f4
[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" "8b1bc66616e206ba38e8d740b13e91c1e83ee7cbc91969dd4d969626200a40f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b1bc66616e206ba38e8d740b13e91c1e83ee7cbc91969dd4d969626200a40f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b1bc66616e206ba38e8d740b13e91c1e83ee7cbc91969dd4d969626200a40f4", kill_on_drop: false }`
[INFO] [stdout] 8b1bc66616e206ba38e8d740b13e91c1e83ee7cbc91969dd4d969626200a40f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ab7ba7bc61e83698265d5428ed2698f60026b122d08aa896a424d3a2a60e576
[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" "1ab7ba7bc61e83698265d5428ed2698f60026b122d08aa896a424d3a2a60e576", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking ttf-parser v0.8.3
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking font8x8 v0.2.7
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking fontdue v0.4.0
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking genevo v0.5.0
[INFO] [stderr]     Checking brain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `prelude::*`
[INFO] [stdout]   --> src/main.rs:11:22
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rayon::{iter::*, prelude::*};
[INFO] [stdout]    |                      ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prelude::*`
[INFO] [stdout]   --> src/main.rs:11:22
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rayon::{iter::*, prelude::*};
[INFO] [stdout]    |                      ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `input_chars` should have an upper case name
[INFO] [stdout]    --> src/main.rs:343:8
[INFO] [stdout]     |
[INFO] [stdout] 343 | static input_chars: usize = 1;
[INFO] [stdout]     |        ^^^^^^^^^^^ help: convert the identifier to upper case: `INPUT_CHARS`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `input_chars` should have an upper case name
[INFO] [stdout]    --> src/main.rs:343:8
[INFO] [stdout]     |
[INFO] [stdout] 343 | static input_chars: usize = 1;
[INFO] [stdout]     |        ^^^^^^^^^^^ help: convert the identifier to upper case: `INPUT_CHARS`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.52s
[INFO] running `Command { std: "docker" "inspect" "1ab7ba7bc61e83698265d5428ed2698f60026b122d08aa896a424d3a2a60e576", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ab7ba7bc61e83698265d5428ed2698f60026b122d08aa896a424d3a2a60e576", kill_on_drop: false }`
[INFO] [stdout] 1ab7ba7bc61e83698265d5428ed2698f60026b122d08aa896a424d3a2a60e576