[INFO] cloning repository https://github.com/jtdubs/emu [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jtdubs/emu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtdubs%2Femu", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtdubs%2Femu'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b7160a2b844be83570a70761bef1f9ddd9c2a164 [INFO] checking jtdubs/emu/b7160a2b844be83570a70761bef1f9ddd9c2a164 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtdubs%2Femu" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jtdubs/emu on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jtdubs/emu [INFO] finished tweaking git repo https://github.com/jtdubs/emu [INFO] tweaked toml for git repo https://github.com/jtdubs/emu written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/jtdubs/emu 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded crossterm v0.17.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 49e2b8f167db5c9ab2456b3c42d1267b6eead56d006c25a5b9257b2af7c2ccfc [INFO] running `Command { std: "docker" "start" "-a" "49e2b8f167db5c9ab2456b3c42d1267b6eead56d006c25a5b9257b2af7c2ccfc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "49e2b8f167db5c9ab2456b3c42d1267b6eead56d006c25a5b9257b2af7c2ccfc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "49e2b8f167db5c9ab2456b3c42d1267b6eead56d006c25a5b9257b2af7c2ccfc", kill_on_drop: false }` [INFO] [stdout] 49e2b8f167db5c9ab2456b3c42d1267b6eead56d006c25a5b9257b2af7c2ccfc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1f97f66bbf149a93ac71bb6118dadea3245eb272aa339d3a966c253e6d855d05 [INFO] running `Command { std: "docker" "start" "-a" "1f97f66bbf149a93ac71bb6118dadea3245eb272aa339d3a966c253e6d855d05", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking arc-swap v0.4.5 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking smallvec v1.4.0 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.34 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking parking_lot_core v0.7.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking parking_lot v0.10.2 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Checking signal-hook v0.1.16 [INFO] [stderr] Checking crossterm v0.17.5 [INFO] [stderr] Checking regex v1.3.5 [INFO] [stderr] Checking timer v0.2.0 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking emu v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `bench` is never used [INFO] [stdout] --> src/debugger.rs:112:12 [INFO] [stdout] | [INFO] [stdout] 34 | impl Debugger { [INFO] [stdout] | --------------------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 112 | pub fn bench(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `bench` is never used [INFO] [stdout] --> src/debugger.rs:112:12 [INFO] [stdout] | [INFO] [stdout] 34 | impl Debugger { [INFO] [stdout] | --------------------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 112 | pub fn bench(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: non-binding let on a synchronization lock [INFO] [stdout] --> src/debugger.rs:383:17 [INFO] [stdout] | [INFO] [stdout] 383 | let _ = cond [INFO] [stdout] | ^ this lock is not assigned to a binding and is immediately dropped [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(let_underscore_lock)]` on by default [INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value [INFO] [stdout] | [INFO] [stdout] 383 | let _unused = cond [INFO] [stdout] | ~~~~~~~ [INFO] [stdout] help: consider immediately dropping the value [INFO] [stdout] | [INFO] [stdout] 383 ~ drop(cond [INFO] [stdout] 384 | .wait_while(mutex.lock().unwrap(), |c| { [INFO] [stdout] ... [INFO] [stdout] 391 | }) [INFO] [stdout] 392 ~ .unwrap()); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: non-binding let on a synchronization lock [INFO] [stdout] --> src/debugger.rs:383:17 [INFO] [stdout] | [INFO] [stdout] 383 | let _ = cond [INFO] [stdout] | ^ this lock is not assigned to a binding and is immediately dropped [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(let_underscore_lock)]` on by default [INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value [INFO] [stdout] | [INFO] [stdout] 383 | let _unused = cond [INFO] [stdout] | ~~~~~~~ [INFO] [stdout] help: consider immediately dropping the value [INFO] [stdout] | [INFO] [stdout] 383 ~ drop(cond [INFO] [stdout] 384 | .wait_while(mutex.lock().unwrap(), |c| { [INFO] [stdout] ... [INFO] [stdout] 391 | }) [INFO] [stdout] 392 ~ .unwrap()); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `emu` (bin "emu") due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `emu` (bin "emu" test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "1f97f66bbf149a93ac71bb6118dadea3245eb272aa339d3a966c253e6d855d05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f97f66bbf149a93ac71bb6118dadea3245eb272aa339d3a966c253e6d855d05", kill_on_drop: false }` [INFO] [stdout] 1f97f66bbf149a93ac71bb6118dadea3245eb272aa339d3a966c253e6d855d05