[INFO] updating cached repository https://github.com/0xd34b33f/test_rayon [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] 3a76e3718e97947c8d8b7437e0e91efd7b917479 [INFO] checking 0xd34b33f/test_rayon against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xd34b33f%2Ftest_rayon" "/workspace/builds/worker-3/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/0xd34b33f/test_rayon on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/0xd34b33f/test_rayon [INFO] finished tweaking git repo https://github.com/0xd34b33f/test_rayon [INFO] tweaked toml for git repo https://github.com/0xd34b33f/test_rayon written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/0xd34b33f/test_rayon already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] 9a226418ad899d6c116f156be01c1b1f41f027178f9ba68394e8bd8d68da9a18 [INFO] running `"docker" "start" "-a" "9a226418ad899d6c116f156be01c1b1f41f027178f9ba68394e8bd8d68da9a18"` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling proc-macro2 v1.0.8 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.13 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking smallvec v1.1.0 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Checking regex-syntax v0.6.13 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking number_prefix v0.3.0 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Checking gimli v0.20.0 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking termios v0.3.1 [INFO] [stderr] Checking findshlibs v0.5.0 [INFO] [stderr] Checking clicolors-control v1.0.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking regex v1.3.3 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking console v0.9.1 [INFO] [stderr] Checking addr2line v0.11.0 [INFO] [stderr] Compiling scroll_derive v0.10.1 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Checking indicatif v0.13.0 [INFO] [stderr] Checking scroll v0.10.1 [INFO] [stderr] Checking goblin v0.1.3 [INFO] [stderr] Checking backtrace v0.3.42 [INFO] [stderr] Checking color-backtrace v0.3.0 [INFO] [stderr] Checking serde-humantime v0.1.1 [INFO] [stderr] Checking serde_json v1.0.44 [INFO] [stderr] Checking test-rayon v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::fs` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::fs; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `BufReader` [INFO] [stderr] --> src/main.rs:11:15 [INFO] [stderr] | [INFO] [stderr] 11 | use std::io::{BufReader, Read}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `TcpStream` [INFO] [stderr] --> src/main.rs:12:16 [INFO] [stderr] | [INFO] [stderr] 12 | use std::net::{TcpStream, ToSocketAddrs}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Sender` [INFO] [stderr] --> src/main.rs:15:33 [INFO] [stderr] | [INFO] [stderr] 15 | use std::sync::mpsc::{Receiver, Sender, SyncSender}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::fs; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `BufReader` [INFO] [stderr] --> src/main.rs:11:15 [INFO] [stderr] | [INFO] [stderr] 11 | use std::io::{BufReader, Read}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `TcpStream` [INFO] [stderr] --> src/main.rs:12:16 [INFO] [stderr] | [INFO] [stderr] 12 | use std::net::{TcpStream, ToSocketAddrs}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Sender` [INFO] [stderr] --> src/main.rs:15:33 [INFO] [stderr] | [INFO] [stderr] 15 | use std::sync::mpsc::{Receiver, Sender, SyncSender}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Read` [INFO] [stderr] --> src/main.rs:11:26 [INFO] [stderr] | [INFO] [stderr] 11 | use std::io::{BufReader, Read}; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/main.rs:78:13 [INFO] [stderr] | [INFO] [stderr] 78 | Err(e) => eprintln!("Error sending data via channel"), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `command` [INFO] [stderr] --> src/main.rs:52:38 [INFO] [stderr] | [INFO] [stderr] 52 | fn process_host_test(hostname: A, command: &str, tx: SyncSender) -> Response [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `pool` [INFO] [stderr] --> src/main.rs:105:9 [INFO] [stderr] | [INFO] [stderr] 105 | let pool = ThreadPoolBuilder::new() [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_pool` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `inc_for_closure` [INFO] [stderr] --> src/main.rs:116:9 [INFO] [stderr] | [INFO] [stderr] 116 | let inc_for_closure = incremental_name.clone(); [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_inc_for_closure` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `result` [INFO] [stderr] --> src/main.rs:118:9 [INFO] [stderr] | [INFO] [stderr] 118 | let result: Vec = [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stderr] [INFO] [stderr] warning: unused import: `Read` [INFO] [stderr] --> src/main.rs:11:26 [INFO] [stderr] | [INFO] [stderr] 11 | use std::io::{BufReader, Read}; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/main.rs:78:13 [INFO] [stderr] | [INFO] [stderr] 78 | Err(e) => eprintln!("Error sending data via channel"), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `command` [INFO] [stderr] --> src/main.rs:52:38 [INFO] [stderr] | [INFO] [stderr] 52 | fn process_host_test(hostname: A, command: &str, tx: SyncSender) -> Response [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `pool` [INFO] [stderr] --> src/main.rs:105:9 [INFO] [stderr] | [INFO] [stderr] 105 | let pool = ThreadPoolBuilder::new() [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_pool` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `inc_for_closure` [INFO] [stderr] --> src/main.rs:116:9 [INFO] [stderr] | [INFO] [stderr] 116 | let inc_for_closure = incremental_name.clone(); [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_inc_for_closure` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `result` [INFO] [stderr] --> src/main.rs:118:9 [INFO] [stderr] | [INFO] [stderr] 118 | let result: Vec = [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 09s [INFO] running `"docker" "inspect" "9a226418ad899d6c116f156be01c1b1f41f027178f9ba68394e8bd8d68da9a18"` [INFO] running `"docker" "rm" "-f" "9a226418ad899d6c116f156be01c1b1f41f027178f9ba68394e8bd8d68da9a18"` [INFO] [stdout] 9a226418ad899d6c116f156be01c1b1f41f027178f9ba68394e8bd8d68da9a18