[INFO] cloning repository https://github.com/ethanboxx/small_fun_rust_projects [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ethanboxx/small_fun_rust_projects" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethanboxx%2Fsmall_fun_rust_projects", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethanboxx%2Fsmall_fun_rust_projects'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 22617858a266daa8b27bddd0bfc2433f81573d8e [INFO] checking ethanboxx/small_fun_rust_projects against try#5de9e0e6cf775e94e0de2003f35e183f3f77bfe8 for pr-143808 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethanboxx%2Fsmall_fun_rust_projects" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/ethanboxx/small_fun_rust_projects [INFO] finished tweaking git repo https://github.com/ethanboxx/small_fun_rust_projects [INFO] tweaked toml for git repo https://github.com/ethanboxx/small_fun_rust_projects written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/ethanboxx/small_fun_rust_projects on toolchain 5de9e0e6cf775e94e0de2003f35e183f3f77bfe8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/ethanboxx/small_fun_rust_projects 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" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "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 [ERROR] error running command: no output for 300 seconds [INFO] checking ethanboxx/small_fun_rust_projects against try#5de9e0e6cf775e94e0de2003f35e183f3f77bfe8 for pr-143808 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethanboxx%2Fsmall_fun_rust_projects" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/ethanboxx/small_fun_rust_projects [INFO] finished tweaking git repo https://github.com/ethanboxx/small_fun_rust_projects [INFO] tweaked toml for git repo https://github.com/ethanboxx/small_fun_rust_projects written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/ethanboxx/small_fun_rust_projects on toolchain 5de9e0e6cf775e94e0de2003f35e183f3f77bfe8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/ethanboxx/small_fun_rust_projects 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" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "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] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e1ae13dd0872538e804f9118033c553cfd7787c28d380bb8b880836bd605bbdf [INFO] running `Command { std: "docker" "start" "-a" "e1ae13dd0872538e804f9118033c553cfd7787c28d380bb8b880836bd605bbdf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e1ae13dd0872538e804f9118033c553cfd7787c28d380bb8b880836bd605bbdf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1ae13dd0872538e804f9118033c553cfd7787c28d380bb8b880836bd605bbdf", kill_on_drop: false }` [INFO] [stdout] e1ae13dd0872538e804f9118033c553cfd7787c28d380bb8b880836bd605bbdf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cc9f7ad5536cfeb6f03df14b9ad984d7d29e0a537d47484b7c594fed962ad4b9 [INFO] running `Command { std: "docker" "start" "-a" "cc9f7ad5536cfeb6f03df14b9ad984d7d29e0a537d47484b7c594fed962ad4b9", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Checking cfg-if v0.1.5 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Checking rand_core v0.3.0 [INFO] [stderr] Compiling rayon v1.0.2 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking nvec v0.1.0 (/opt/rustwide/workdir/nvec) [INFO] [stderr] Checking binlist v0.1.0 (/opt/rustwide/workdir/binlist) [INFO] [stderr] Checking fibonacci v0.1.0 (/opt/rustwide/workdir/fibonacci) [INFO] [stderr] Checking fizzbuzz v0.1.0 (/opt/rustwide/workdir/fizzbuzz) [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> binlist/src/main.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | for bin in (0..) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 2 - for bin in (0..) { [INFO] [stdout] 2 + for bin in 0.. { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> binlist/src/main.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | for bin in (0..) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 2 - for bin in (0..) { [INFO] [stdout] 2 + for bin in 0.. { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking staircase v0.1.0 (/opt/rustwide/workdir/staircase) [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> nvec/src/main.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | struct Nvec(Vec>); [INFO] [stdout] | ---- ^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `Nvec` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> nvec/src/main.rs:6:10 [INFO] [stdout] | [INFO] [stdout] 6 | Vect(Vec>), [INFO] [stdout] | ---- ^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `NOpt` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 6 - Vect(Vec>), [INFO] [stdout] 6 + Vect(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> nvec/src/main.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | struct Nvec(Vec>); [INFO] [stdout] | ---- ^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `Nvec` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> nvec/src/main.rs:6:10 [INFO] [stdout] | [INFO] [stdout] 6 | Vect(Vec>), [INFO] [stdout] | ---- ^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `NOpt` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 6 - Vect(Vec>), [INFO] [stdout] 6 + Vect(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking rand_core v0.2.2 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking bubble_sort v0.1.0 (/opt/rustwide/workdir/bubble_sort) [INFO] [stderr] Checking primes v0.1.0 (/opt/rustwide/workdir/primes) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.10s [INFO] running `Command { std: "docker" "inspect" "cc9f7ad5536cfeb6f03df14b9ad984d7d29e0a537d47484b7c594fed962ad4b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc9f7ad5536cfeb6f03df14b9ad984d7d29e0a537d47484b7c594fed962ad4b9", kill_on_drop: false }` [INFO] [stdout] cc9f7ad5536cfeb6f03df14b9ad984d7d29e0a537d47484b7c594fed962ad4b9