[INFO] updating cached repository https://github.com/vedranvinko/emma [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] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 9e2290966f434fcd2fa110ad219ab483ea7b47ab [INFO] checking vedranvinko/emma against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvedranvinko%2Femma" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/vedranvinko/emma on toolchain d7b51666469c792a8a3f40849607739bae1e705e [INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/vedranvinko/emma [INFO] finished tweaking git repo https://github.com/vedranvinko/emma [INFO] tweaked toml for git repo https://github.com/vedranvinko/emma written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/vedranvinko/emma already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+d7b51666469c792a8a3f40849607739bae1e705e" "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] 68d229631dd619815312166949c67fb82d15a52325c0c45fff49fd27331354c7 [INFO] running `"docker" "start" "-a" "68d229631dd619815312166949c67fb82d15a52325c0c45fff49fd27331354c7"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling syn v1.0.8 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling serde v1.0.103 [INFO] [stderr] Checking smallvec v1.0.0 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Checking same-file v1.0.5 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking termcolor v1.0.5 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking anymap v0.12.1 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking owning_ref v0.3.3 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Checking walkdir v2.2.9 [INFO] [stderr] Checking unicode-normalization v0.1.11 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking inotify-sys v0.1.3 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking filetime v0.2.8 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking inotify v0.7.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking parking_lot_core v0.2.14 [INFO] [stderr] Checking url v2.1.0 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking sha-1 v0.8.1 [INFO] [stderr] Checking parking_lot v0.4.8 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking mio-extras v2.0.5 [INFO] [stderr] Checking chashmap v2.2.2 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking ws v0.9.1 [INFO] [stderr] Compiling serde_derive v1.0.103 [INFO] [stderr] Checking notify v5.0.0-pre.1 [INFO] [stderr] Checking serde_json v1.0.42 [INFO] [stderr] Checking emma v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `connect` [INFO] [stderr] --> src/main.rs:12:10 [INFO] [stderr] | [INFO] [stderr] 12 | use ws::{connect, listen, CloseCode, Sender, Handler, Message, Result as OtherResult}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/main.rs:73:5 [INFO] [stderr] | [INFO] [stderr] 66 | / loop { [INFO] [stderr] 67 | | match rx.recv() { [INFO] [stderr] 68 | | Ok(event) => println!("Changed: {:?}", event), [INFO] [stderr] 69 | | Err(err) => println!("Error: {:?}", err), [INFO] [stderr] 70 | | }; [INFO] [stderr] 71 | | } [INFO] [stderr] | |_____- any code following this expression is unreachable [INFO] [stderr] 72 | [INFO] [stderr] 73 | Ok(()) [INFO] [stderr] | ^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `code` [INFO] [stderr] --> src/main.rs:28:32 [INFO] [stderr] | [INFO] [stderr] 28 | fn on_close(&mut self, code: CloseCode, reason: &str) { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_code` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `reason` [INFO] [stderr] --> src/main.rs:28:49 [INFO] [stderr] | [INFO] [stderr] 28 | fn on_close(&mut self, code: CloseCode, reason: &str) { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reason` [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `connect` [INFO] [stderr] --> src/main.rs:12:10 [INFO] [stderr] | [INFO] [stderr] 12 | use ws::{connect, listen, CloseCode, Sender, Handler, Message, Result as OtherResult}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/main.rs:73:5 [INFO] [stderr] | [INFO] [stderr] 66 | / loop { [INFO] [stderr] 67 | | match rx.recv() { [INFO] [stderr] 68 | | Ok(event) => println!("Changed: {:?}", event), [INFO] [stderr] 69 | | Err(err) => println!("Error: {:?}", err), [INFO] [stderr] 70 | | }; [INFO] [stderr] 71 | | } [INFO] [stderr] | |_____- any code following this expression is unreachable [INFO] [stderr] 72 | [INFO] [stderr] 73 | Ok(()) [INFO] [stderr] | ^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `code` [INFO] [stderr] --> src/main.rs:28:32 [INFO] [stderr] | [INFO] [stderr] 28 | fn on_close(&mut self, code: CloseCode, reason: &str) { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_code` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `reason` [INFO] [stderr] --> src/main.rs:28:49 [INFO] [stderr] | [INFO] [stderr] 28 | fn on_close(&mut self, code: CloseCode, reason: &str) { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reason` [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 34s [INFO] running `"docker" "inspect" "68d229631dd619815312166949c67fb82d15a52325c0c45fff49fd27331354c7"` [INFO] running `"docker" "rm" "-f" "68d229631dd619815312166949c67fb82d15a52325c0c45fff49fd27331354c7"` [INFO] [stdout] 68d229631dd619815312166949c67fb82d15a52325c0c45fff49fd27331354c7