[INFO] cloning repository https://github.com/blldce/alaybey [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blldce/alaybey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblldce%2Falaybey", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblldce%2Falaybey'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 17e49e8591173af6e6ae301f150a95d15c8d416c [INFO] checking blldce/alaybey against master#e1ac0fa95ba15221ee195647cb12464df3164513 for pr-126090 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblldce%2Falaybey" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/blldce/alaybey on toolchain e1ac0fa95ba15221ee195647cb12464df3164513 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e1ac0fa95ba15221ee195647cb12464df3164513" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/blldce/alaybey [INFO] finished tweaking git repo https://github.com/blldce/alaybey [INFO] tweaked toml for git repo https://github.com/blldce/alaybey written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/blldce/alaybey 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" "+e1ac0fa95ba15221ee195647cb12464df3164513" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking blldce/alaybey against try#09fa13185567a1d9c37905d6a4a2ea56e7f44efc for pr-126090 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblldce%2Falaybey" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/blldce/alaybey on toolchain 09fa13185567a1d9c37905d6a4a2ea56e7f44efc [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09fa13185567a1d9c37905d6a4a2ea56e7f44efc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/blldce/alaybey [INFO] finished tweaking git repo https://github.com/blldce/alaybey [INFO] tweaked toml for git repo https://github.com/blldce/alaybey written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/blldce/alaybey 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" "+09fa13185567a1d9c37905d6a4a2ea56e7f44efc" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+09fa13185567a1d9c37905d6a4a2ea56e7f44efc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 85d0e716ad5d2c0dce83d4dc08cc02d7c91e28d5d19d1b6f7b0cb7762cb9cf1c [INFO] running `Command { std: "docker" "start" "-a" "85d0e716ad5d2c0dce83d4dc08cc02d7c91e28d5d19d1b6f7b0cb7762cb9cf1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "85d0e716ad5d2c0dce83d4dc08cc02d7c91e28d5d19d1b6f7b0cb7762cb9cf1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85d0e716ad5d2c0dce83d4dc08cc02d7c91e28d5d19d1b6f7b0cb7762cb9cf1c", kill_on_drop: false }` [INFO] [stdout] 85d0e716ad5d2c0dce83d4dc08cc02d7c91e28d5d19d1b6f7b0cb7762cb9cf1c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+09fa13185567a1d9c37905d6a4a2ea56e7f44efc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1e16f8d96d079c4874c1d39389c381a8c88cb50dad2e45323b1f2769d74977c4 [INFO] running `Command { std: "docker" "start" "-a" "1e16f8d96d079c4874c1d39389c381a8c88cb50dad2e45323b1f2769d74977c4", kill_on_drop: false }` [INFO] [stderr] Checking alaybey v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: found module declaration for lib.rs [INFO] [stdout] --> src/main.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 | pub mod lib; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: lib.rs is the root of this crate's library target [INFO] [stdout] = help: to refer to it from other targets, use the library's name as the path [INFO] [stdout] = note: `#[warn(special_module_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib/compiler/mod.rs:18:13 [INFO] [stdout] | [INFO] [stdout] 18 | / &lexers[1..lexers.len() - 1] [INFO] [stdout] 19 | | .iter() [INFO] [stdout] 20 | | .filter(|val| { [INFO] [stdout] 21 | | let semi_colon = &val [INFO] [stdout] ... | [INFO] [stdout] 135 | | }) [INFO] [stdout] 136 | | .count(); [INFO] [stdout] | |________________________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 18 | let _ = &lexers[1..lexers.len() - 1] [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s [INFO] running `Command { std: "docker" "inspect" "1e16f8d96d079c4874c1d39389c381a8c88cb50dad2e45323b1f2769d74977c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e16f8d96d079c4874c1d39389c381a8c88cb50dad2e45323b1f2769d74977c4", kill_on_drop: false }` [INFO] [stdout] 1e16f8d96d079c4874c1d39389c381a8c88cb50dad2e45323b1f2769d74977c4