[INFO] cloning repository https://github.com/doakcovington/Cartographer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/doakcovington/Cartographer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoakcovington%2FCartographer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoakcovington%2FCartographer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3f6a3da73ee15867f38d2def54cd4fe8e9b09068
[INFO] checking doakcovington/Cartographer against try#bf5ff6675cf10ce009ac02007b064a7cfc4509ac for pr-140558
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoakcovington%2FCartographer" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/doakcovington/Cartographer on toolchain bf5ff6675cf10ce009ac02007b064a7cfc4509ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/doakcovington/Cartographer
[INFO] finished tweaking git repo https://github.com/doakcovington/Cartographer
[INFO] tweaked toml for git repo https://github.com/doakcovington/Cartographer written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/doakcovington/Cartographer 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" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding cfg-if v1.0.0
[INFO] [stderr]       Adding getrandom v0.2.16
[INFO] [stderr]       Adding libc v0.2.172
[INFO] [stderr]       Adding ppv-lite86 v0.2.21
[INFO] [stderr]       Adding proc-macro2 v1.0.95
[INFO] [stderr]       Adding quote v1.0.40
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.1)
[INFO] [stderr]       Adding rand_chacha v0.3.1
[INFO] [stderr]       Adding rand_core v0.6.4
[INFO] [stderr]       Adding syn v2.0.101
[INFO] [stderr]       Adding unicode-ident v1.0.18
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1
[INFO] [stderr]       Adding zerocopy v0.8.25
[INFO] [stderr]       Adding zerocopy-derive v0.8.25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e18f57ab39180a0408203cc4b20be44eed0aa45d06c75fb4ad3bda1e1cd2e1ba
[INFO] running `Command { std: "docker" "start" "-a" "e18f57ab39180a0408203cc4b20be44eed0aa45d06c75fb4ad3bda1e1cd2e1ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e18f57ab39180a0408203cc4b20be44eed0aa45d06c75fb4ad3bda1e1cd2e1ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e18f57ab39180a0408203cc4b20be44eed0aa45d06c75fb4ad3bda1e1cd2e1ba", kill_on_drop: false }`
[INFO] [stdout] e18f57ab39180a0408203cc4b20be44eed0aa45d06c75fb4ad3bda1e1cd2e1ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9612d5350a047160c4b2df120bbbf30b35a01338abbcb7aa2f9ea9e76f33db25
[INFO] running `Command { std: "docker" "start" "-a" "9612d5350a047160c4b2df120bbbf30b35a01338abbcb7aa2f9ea9e76f33db25", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking cartographer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let mut space = rng.gen_range(0..game_board.len());
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let mut space = rng.gen_range(0..game_board.len());
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.08s
[INFO] running `Command { std: "docker" "inspect" "9612d5350a047160c4b2df120bbbf30b35a01338abbcb7aa2f9ea9e76f33db25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9612d5350a047160c4b2df120bbbf30b35a01338abbcb7aa2f9ea9e76f33db25", kill_on_drop: false }`
[INFO] [stdout] 9612d5350a047160c4b2df120bbbf30b35a01338abbcb7aa2f9ea9e76f33db25