[INFO] cloning repository https://github.com/rocurley/rectangle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rocurley/rectangle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frocurley%2Frectangle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frocurley%2Frectangle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9b0dee46603bc5f78c33625f0d36faab8687bba
[INFO] checking rocurley/rectangle against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frocurley%2Frectangle" "/workspace/builds/worker-105/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-105/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rocurley/rectangle on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rocurley/rectangle
[INFO] finished tweaking git repo https://github.com/rocurley/rectangle
[INFO] tweaked toml for git repo https://github.com/rocurley/rectangle written to /workspace/builds/worker-105/source/Cargo.toml
[INFO] crate git repo https://github.com/rocurley/rectangle already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded criterion v0.3.0
[INFO] [stderr]   Downloaded rayon-core v1.6.1
[INFO] [stderr]   Downloaded rand_os v0.2.2
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.0
[INFO] [stderr]   Downloaded rayon v1.2.1
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[INFO] [stderr]   Downloaded ascii v0.8.6
[INFO] [stderr]   Downloaded criterion-plot v0.4.0
[INFO] [stderr]   Downloaded rand_xoshiro v0.3.1
[INFO] [stderr]   Downloaded tinytemplate v1.0.2
[INFO] [stderr]   Downloaded matrixmultiply v0.1.13
[INFO] [stderr]   Downloaded typed-arena v1.3.0
[INFO] [stderr]   Downloaded ndarray v0.10.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 231c5b16e5fa92cd66e02e13d0ce0b6d35b07b8771608da2c7503ab5e39c448e
[INFO] running `Command { std: "docker" "start" "-a" "231c5b16e5fa92cd66e02e13d0ce0b6d35b07b8771608da2c7503ab5e39c448e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "231c5b16e5fa92cd66e02e13d0ce0b6d35b07b8771608da2c7503ab5e39c448e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "231c5b16e5fa92cd66e02e13d0ce0b6d35b07b8771608da2c7503ab5e39c448e", kill_on_drop: false }`
[INFO] [stdout] 231c5b16e5fa92cd66e02e13d0ce0b6d35b07b8771608da2c7503ab5e39c448e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d7ab2bb162d01498251c3dee84636e38d08bac78e1c19e622ac37596a50f716
[INFO] running `Command { std: "docker" "start" "-a" "9d7ab2bb162d01498251c3dee84636e38d08bac78e1c19e622ac37596a50f716", kill_on_drop: false }`
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[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling autocfg v0.1.7
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[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling matrixmultiply v0.1.13
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling rayon-core v1.6.1
[INFO] [stderr]    Compiling ndarray v0.10.5
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking rawpointer v0.1.0
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[INFO] [stderr]    Compiling rustc_version v0.2.3
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[INFO] [stderr]     Checking num_cpus v1.11.1
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[INFO] [stderr]     Checking rand_core v0.5.1
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[INFO] [stderr]     Checking serde_json v1.0.44
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[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]     Checking criterion v0.3.0
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[INFO] [stderr]     Checking cpuprofiler v0.0.3
[INFO] [stderr]     Checking rectangle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning[E0170]: pattern binding `c` is named the same as one of the variants of the type `AsciiChar`
[INFO] [stdout]    --> src/lib.rs:226:19
[INFO] [stdout]     |
[INFO] [stdout] 226 |                 |&c, mut perp_slot, (perp_match, prehash)| {
[INFO] [stdout]     |                   ^ help: to match on the variant, qualify the path: `AsciiChar::c`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bindings_with_variant_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `c` is named the same as one of the variants of the type `AsciiChar`
[INFO] [stdout]    --> src/lib.rs:261:37
[INFO] [stdout]     |
[INFO] [stdout] 261 |             .map(|c| c.map_or('.', |c| c.as_char()))
[INFO] [stdout]     |                                     ^ help: to match on the variant, qualify the path: `AsciiChar::c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `c` is named the same as one of the variants of the type `AsciiChar`
[INFO] [stdout]    --> src/lib.rs:386:24
[INFO] [stdout]     |
[INFO] [stdout] 386 |             for (pos, &c) in word.iter().enumerate() {
[INFO] [stdout]     |                        ^ help: to match on the variant, qualify the path: `AsciiChar::c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `c` is named the same as one of the variants of the type `AsciiChar`
[INFO] [stdout]    --> src/lib.rs:394:20
[INFO] [stdout]     |
[INFO] [stdout] 394 |         for ((pos, c), matches) in index.into_iter() {
[INFO] [stdout]     |                    ^ help: to match on the variant, qualify the path: `AsciiChar::c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `c` is named the same as one of the variants of the type `AsciiChar`
[INFO] [stdout]    --> src/lib.rs:226:19
[INFO] [stdout]     |
[INFO] [stdout] 226 |                 |&c, mut perp_slot, (perp_match, prehash)| {
[INFO] [stdout]     |                   ^ help: to match on the variant, qualify the path: `AsciiChar::c`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bindings_with_variant_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `c` is named the same as one of the variants of the type `AsciiChar`
[INFO] [stdout]    --> src/lib.rs:261:37
[INFO] [stdout]     |
[INFO] [stdout] 261 |             .map(|c| c.map_or('.', |c| c.as_char()))
[INFO] [stdout]     |                                     ^ help: to match on the variant, qualify the path: `AsciiChar::c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `c` is named the same as one of the variants of the type `AsciiChar`
[INFO] [stdout]    --> src/lib.rs:386:24
[INFO] [stdout]     |
[INFO] [stdout] 386 |             for (pos, &c) in word.iter().enumerate() {
[INFO] [stdout]     |                        ^ help: to match on the variant, qualify the path: `AsciiChar::c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `c` is named the same as one of the variants of the type `AsciiChar`
[INFO] [stdout]    --> src/lib.rs:394:20
[INFO] [stdout]     |
[INFO] [stdout] 394 |         for ((pos, c), matches) in index.into_iter() {
[INFO] [stdout]     |                    ^ help: to match on the variant, qualify the path: `AsciiChar::c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0170`.
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0170`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `criterion::black_box`
[INFO] [stdout]   --> benches/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use criterion::black_box;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CrushedWords`
[INFO] [stdout]   --> benches/main.rs:17:57
[INFO] [stdout]    |
[INFO] [stdout] 17 |     load_words, prepopulate_cache, step_word_rectangle, CrushedWords, WordRectangle, WordsMatch,
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.38s
[INFO] running `Command { std: "docker" "inspect" "9d7ab2bb162d01498251c3dee84636e38d08bac78e1c19e622ac37596a50f716", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d7ab2bb162d01498251c3dee84636e38d08bac78e1c19e622ac37596a50f716", kill_on_drop: false }`
[INFO] [stdout] 9d7ab2bb162d01498251c3dee84636e38d08bac78e1c19e622ac37596a50f716