[INFO] updating cached repository https://github.com/SirGFM/rusty-but-fast [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] [stderr] From https://github.com/SirGFM/rusty-but-fast [INFO] [stderr] 7041eb5..2f99571 master -> master [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 2f995713cf903ba1a1946cad20e3d4c3ca9b2df6 [INFO] checking SirGFM/rusty-but-fast against try#b2a885c600d942fb829a214e798f7ae205a0594e for pr-71796 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSirGFM%2Frusty-but-fast" "/workspace/builds/worker-9/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/SirGFM/rusty-but-fast on toolchain b2a885c600d942fb829a214e798f7ae205a0594e [INFO] running `"/workspace/cargo-home/bin/cargo" "+b2a885c600d942fb829a214e798f7ae205a0594e" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/SirGFM/rusty-but-fast [INFO] finished tweaking git repo https://github.com/SirGFM/rusty-but-fast [INFO] tweaked toml for git repo https://github.com/SirGFM/rusty-but-fast written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/SirGFM/rusty-but-fast already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+b2a885c600d942fb829a214e798f7ae205a0594e" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+b2a885c600d942fb829a214e798f7ae205a0594e" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 83350bd5a7bd4224c12448503d0e53b34703fb31c7637dd083b5740d6637363c [INFO] running `"docker" "start" "-a" "83350bd5a7bd4224c12448503d0e53b34703fb31c7637dd083b5740d6637363c"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Checking ctrlc v3.1.4 [INFO] [stderr] Checking rusty-but-fast v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `tag` [INFO] [stderr] --> src/tlv.rs:269:21 [INFO] [stderr] | [INFO] [stderr] 269 | let tag = Tag::from(*t); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_tag` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `now` [INFO] [stderr] --> src/timer.rs:115:9 [INFO] [stderr] | [INFO] [stderr] 115 | let now = time::Instant::now(); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_now` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `err` [INFO] [stderr] --> src/timer.rs:249:17 [INFO] [stderr] | [INFO] [stderr] 249 | Err(err) => { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/timer.rs:198:16 [INFO] [stderr] | [INFO] [stderr] 198 | Ok(mut ok_data) => ok_data, [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/timer.rs:212:20 [INFO] [stderr] | [INFO] [stderr] 212 | Ok(mut ok_data) => ok_data, [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `read_arr` [INFO] [stderr] --> src/tlv.rs:704:5 [INFO] [stderr] | [INFO] [stderr] 704 | / fn read_arr(&mut self, out: &mut [T]) [INFO] [stderr] 705 | | where [INFO] [stderr] 706 | | T: TagParseHelper [INFO] [stderr] 707 | | { [INFO] [stderr] ... | [INFO] [stderr] 727 | | panic!("Invalid {}-array tag!", T::name()); [INFO] [stderr] 728 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `handle_start` [INFO] [stderr] --> src/timer.rs:282:5 [INFO] [stderr] | [INFO] [stderr] 282 | fn handle_start(&self) -> Result<(), mpsc::SendError> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `handle_stop` [INFO] [stderr] --> src/timer.rs:286:5 [INFO] [stderr] | [INFO] [stderr] 286 | fn handle_stop(&self) -> Result<(), mpsc::SendError> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `handle_reset` [INFO] [stderr] --> src/timer.rs:290:5 [INFO] [stderr] | [INFO] [stderr] 290 | fn handle_reset(&self) -> Result<(), mpsc::SendError> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `test_get` [INFO] [stderr] --> src/timer.rs:294:5 [INFO] [stderr] | [INFO] [stderr] 294 | fn test_get(&self) -> time::Duration { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused variable: `tag` [INFO] [stderr] --> src/tlv.rs:269:21 [INFO] [stderr] | [INFO] [stderr] 269 | let tag = Tag::from(*t); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_tag` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `now` [INFO] [stderr] --> src/timer.rs:115:9 [INFO] [stderr] | [INFO] [stderr] 115 | let now = time::Instant::now(); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_now` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `err` [INFO] [stderr] --> src/timer.rs:249:17 [INFO] [stderr] | [INFO] [stderr] 249 | Err(err) => { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/timer.rs:198:16 [INFO] [stderr] | [INFO] [stderr] 198 | Ok(mut ok_data) => ok_data, [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/timer.rs:212:20 [INFO] [stderr] | [INFO] [stderr] 212 | Ok(mut ok_data) => ok_data, [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::ErrorKind::WouldBlock as ErrWouldBlock` [INFO] [stderr] --> src/bin/timer_server.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | use std::io::ErrorKind::WouldBlock as ErrWouldBlock; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::ErrorKind::WouldBlock as ErrWouldBlock` [INFO] [stderr] --> src/bin/timer_server.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | use std::io::ErrorKind::WouldBlock as ErrWouldBlock; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 16.22s [INFO] running `"docker" "inspect" "83350bd5a7bd4224c12448503d0e53b34703fb31c7637dd083b5740d6637363c"` [INFO] running `"docker" "rm" "-f" "83350bd5a7bd4224c12448503d0e53b34703fb31c7637dd083b5740d6637363c"` [INFO] [stdout] 83350bd5a7bd4224c12448503d0e53b34703fb31c7637dd083b5740d6637363c