[INFO] cloning repository https://github.com/NarodBocaj/Matt_parker_parallel [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NarodBocaj/Matt_parker_parallel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNarodBocaj%2FMatt_parker_parallel", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNarodBocaj%2FMatt_parker_parallel'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 75554fab07cccf0ab9e94d8aa256497a7f6bae66 [INFO] checking NarodBocaj/Matt_parker_parallel against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNarodBocaj%2FMatt_parker_parallel" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/NarodBocaj/Matt_parker_parallel on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/NarodBocaj/Matt_parker_parallel [INFO] finished tweaking git repo https://github.com/NarodBocaj/Matt_parker_parallel [INFO] tweaked toml for git repo https://github.com/NarodBocaj/Matt_parker_parallel written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/NarodBocaj/Matt_parker_parallel 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 993f5687a1424dc0c54619a58c0893889916a09bc6de3c715a20b8e3c580dc97 [INFO] running `Command { std: "docker" "start" "-a" "993f5687a1424dc0c54619a58c0893889916a09bc6de3c715a20b8e3c580dc97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "993f5687a1424dc0c54619a58c0893889916a09bc6de3c715a20b8e3c580dc97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "993f5687a1424dc0c54619a58c0893889916a09bc6de3c715a20b8e3c580dc97", kill_on_drop: false }` [INFO] [stdout] 993f5687a1424dc0c54619a58c0893889916a09bc6de3c715a20b8e3c580dc97 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9d5b9c48067173f8d7cf5b6ed53a101ee9f4525945e21e0782d4212a42278d07 [INFO] running `Command { std: "docker" "start" "-a" "9d5b9c48067173f8d7cf5b6ed53a101ee9f4525945e21e0782d4212a42278d07", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.11 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Checking once_cell v1.14.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.10 [INFO] [stderr] Compiling libc v0.2.132 [INFO] [stderr] Compiling rayon-core v1.9.3 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling rayon v1.5.3 [INFO] [stderr] Checking either v1.8.0 [INFO] [stderr] Checking crossbeam-channel v0.5.6 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking crossbeam-deque v0.8.2 [INFO] [stderr] Checking Matt_parker_parallel v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `ans_nums` [INFO] [stdout] --> src/main.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let ans_nums = looper(&num_vec, &mut num_word_map); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ans_nums` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:61:9 [INFO] [stdout] | [INFO] [stdout] 61 | let mut ans_vec = Arc::new(Mutex::new(Vec::new())); [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: unused variable: `ans_nums` [INFO] [stdout] --> src/main.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let ans_nums = looper(&num_vec, &mut num_word_map); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ans_nums` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:61:9 [INFO] [stdout] | [INFO] [stdout] 61 | let mut ans_vec = Arc::new(Mutex::new(Vec::new())); [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.61s [INFO] running `Command { std: "docker" "inspect" "9d5b9c48067173f8d7cf5b6ed53a101ee9f4525945e21e0782d4212a42278d07", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d5b9c48067173f8d7cf5b6ed53a101ee9f4525945e21e0782d4212a42278d07", kill_on_drop: false }` [INFO] [stdout] 9d5b9c48067173f8d7cf5b6ed53a101ee9f4525945e21e0782d4212a42278d07 [INFO] checking NarodBocaj/Matt_parker_parallel against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNarodBocaj%2FMatt_parker_parallel" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/NarodBocaj/Matt_parker_parallel on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/NarodBocaj/Matt_parker_parallel [INFO] finished tweaking git repo https://github.com/NarodBocaj/Matt_parker_parallel [INFO] tweaked toml for git repo https://github.com/NarodBocaj/Matt_parker_parallel written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/NarodBocaj/Matt_parker_parallel 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] eb3c5eb046184512ecb175625d5ad09b9cc4127f4d90f2ed523f089336a2141d [INFO] running `Command { std: "docker" "start" "-a" "eb3c5eb046184512ecb175625d5ad09b9cc4127f4d90f2ed523f089336a2141d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eb3c5eb046184512ecb175625d5ad09b9cc4127f4d90f2ed523f089336a2141d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb3c5eb046184512ecb175625d5ad09b9cc4127f4d90f2ed523f089336a2141d", kill_on_drop: false }` [INFO] [stdout] eb3c5eb046184512ecb175625d5ad09b9cc4127f4d90f2ed523f089336a2141d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d3e739ef08983a786594188420d1b9b018b32592fe7e0f02bbcdbfda4992c30e [INFO] running `Command { std: "docker" "start" "-a" "d3e739ef08983a786594188420d1b9b018b32592fe7e0f02bbcdbfda4992c30e", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.11 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Checking once_cell v1.14.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.10 [INFO] [stderr] Compiling libc v0.2.132 [INFO] [stderr] Compiling rayon-core v1.9.3 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling rayon v1.5.3 [INFO] [stderr] Checking either v1.8.0 [INFO] [stderr] Checking crossbeam-channel v0.5.6 [INFO] [stderr] Checking crossbeam-deque v0.8.2 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking Matt_parker_parallel v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `ans_nums` [INFO] [stdout] --> src/main.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let ans_nums = looper(&num_vec, &mut num_word_map); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ans_nums` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:61:9 [INFO] [stdout] | [INFO] [stdout] 61 | let mut ans_vec = Arc::new(Mutex::new(Vec::new())); [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ans_nums` [INFO] [stdout] --> src/main.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let ans_nums = looper(&num_vec, &mut num_word_map); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ans_nums` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:61:9 [INFO] [stdout] | [INFO] [stdout] 61 | let mut ans_vec = Arc::new(Mutex::new(Vec::new())); [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.71s [INFO] running `Command { std: "docker" "inspect" "d3e739ef08983a786594188420d1b9b018b32592fe7e0f02bbcdbfda4992c30e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3e739ef08983a786594188420d1b9b018b32592fe7e0f02bbcdbfda4992c30e", kill_on_drop: false }` [INFO] [stdout] d3e739ef08983a786594188420d1b9b018b32592fe7e0f02bbcdbfda4992c30e