[INFO] cloning repository https://github.com/pjrule/frcw.rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pjrule/frcw.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpjrule%2Ffrcw.rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpjrule%2Ffrcw.rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 63a63c2322ff2600e3c3880bb9591a07fcf3fc8a [INFO] checking pjrule/frcw.rs against master#0a8629bff642c3c3b84bb644c0099194f063b627 for pr-86231 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpjrule%2Ffrcw.rs" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pjrule/frcw.rs on toolchain 0a8629bff642c3c3b84bb644c0099194f063b627 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/pjrule/frcw.rs [INFO] finished tweaking git repo https://github.com/pjrule/frcw.rs [INFO] tweaked toml for git repo https://github.com/pjrule/frcw.rs written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/pjrule/frcw.rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5d8fd67805c7524ecff58435afd545a5ecce175d12fbfea963d1e7cde5ec7f09 [INFO] running `Command { std: "docker" "start" "-a" "5d8fd67805c7524ecff58435afd545a5ecce175d12fbfea963d1e7cde5ec7f09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5d8fd67805c7524ecff58435afd545a5ecce175d12fbfea963d1e7cde5ec7f09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d8fd67805c7524ecff58435afd545a5ecce175d12fbfea963d1e7cde5ec7f09", kill_on_drop: false }` [INFO] [stdout] 5d8fd67805c7524ecff58435afd545a5ecce175d12fbfea963d1e7cde5ec7f09 [INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ba6fa2ebb4ce041f67c69a048a0a35dba94dc63e838d34510d16e1a57111c47f [INFO] running `Command { std: "docker" "start" "-a" "ba6fa2ebb4ce041f67c69a048a0a35dba94dc63e838d34510d16e1a57111c47f", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.91 [INFO] [stderr] Compiling typenum v1.13.0 [INFO] [stderr] Compiling fs_extra v1.2.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking block-padding v0.2.1 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking keccak v0.1.0 [INFO] [stderr] Checking opaque-debug v0.3.0 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling libmimalloc-sys v0.1.21 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling jemalloc-sys v0.3.2 [INFO] [stderr] Compiling crossbeam-utils v0.8.3 [INFO] [stderr] Compiling memoffset v0.6.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking crossbeam-epoch v0.9.3 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking crossbeam-queue v0.3.1 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking crossbeam v0.8.0 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking sha3 v0.9.1 [INFO] [stderr] Checking mimalloc v0.1.25 [INFO] [stderr] Checking jemallocator v0.3.2 [INFO] [stderr] Checking frcw v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `dist_a` is never read [INFO] [stdout] --> src/main.rs:677:33 [INFO] [stdout] | [INFO] [stdout] 677 | let mut dist_a = 0 as usize; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `dist_b` is never read [INFO] [stdout] --> src/main.rs:678:33 [INFO] [stdout] | [INFO] [stdout] 678 | let mut dist_b = 0 as usize; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `M` should have a snake case name [INFO] [stdout] --> src/main.rs:79:5 [INFO] [stdout] | [INFO] [stdout] 79 | M: u32, [INFO] [stdout] | ^ help: convert the identifier to snake case: `m` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:732:21 [INFO] [stdout] | [INFO] [stdout] 732 | / res_s.send(ResultPacket { [INFO] [stdout] 733 | | counts: counts, [INFO] [stdout] 734 | | proposals: proposals, [INFO] [stdout] 735 | | }); [INFO] [stdout] | |_______________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:743:17 [INFO] [stdout] | [INFO] [stdout] 743 | job.send(JobPacket{ n_steps: batch_size, diff: None, terminate: false }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> src/main.rs:763:24 [INFO] [stdout] | [INFO] [stdout] 763 | if event >= 0 && event < counts.non_adjacent { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:775:29 [INFO] [stdout] | [INFO] [stdout] 775 | / ... job.send(JobPacket { [INFO] [stdout] 776 | | ... n_steps: batch_size, [INFO] [stdout] 777 | | ... diff: Some(proposal.clone()), [INFO] [stdout] 778 | | ... terminate: false [INFO] [stdout] 779 | | ... }); [INFO] [stdout] | |_________________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:795:21 [INFO] [stdout] | [INFO] [stdout] 795 | job.send(JobPacket{ n_steps: batch_size, diff: None, terminate: false }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:800:13 [INFO] [stdout] | [INFO] [stdout] 800 | job.send(JobPacket{ n_steps: batch_size, diff: None, terminate: true }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `M` should have a snake case name [INFO] [stdout] --> src/main.rs:884:9 [INFO] [stdout] | [INFO] [stdout] 884 | let M = value_t!(matches.value_of("M"), u32).unwrap_or_else(|e| e.exit()); [INFO] [stdout] | ^ help: convert the identifier to snake case: `m` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:919:5 [INFO] [stdout] | [INFO] [stdout] 919 | io::copy(&mut graph_file, &mut graph_hasher); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `dist_a` is never read [INFO] [stdout] --> src/main.rs:677:33 [INFO] [stdout] | [INFO] [stdout] 677 | let mut dist_a = 0 as usize; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `dist_b` is never read [INFO] [stdout] --> src/main.rs:678:33 [INFO] [stdout] | [INFO] [stdout] 678 | let mut dist_b = 0 as usize; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `M` should have a snake case name [INFO] [stdout] --> src/main.rs:79:5 [INFO] [stdout] | [INFO] [stdout] 79 | M: u32, [INFO] [stdout] | ^ help: convert the identifier to snake case: `m` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:732:21 [INFO] [stdout] | [INFO] [stdout] 732 | / res_s.send(ResultPacket { [INFO] [stdout] 733 | | counts: counts, [INFO] [stdout] 734 | | proposals: proposals, [INFO] [stdout] 735 | | }); [INFO] [stdout] | |_______________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:743:17 [INFO] [stdout] | [INFO] [stdout] 743 | job.send(JobPacket{ n_steps: batch_size, diff: None, terminate: false }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> src/main.rs:763:24 [INFO] [stdout] | [INFO] [stdout] 763 | if event >= 0 && event < counts.non_adjacent { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:775:29 [INFO] [stdout] | [INFO] [stdout] 775 | / ... job.send(JobPacket { [INFO] [stdout] 776 | | ... n_steps: batch_size, [INFO] [stdout] 777 | | ... diff: Some(proposal.clone()), [INFO] [stdout] 778 | | ... terminate: false [INFO] [stdout] 779 | | ... }); [INFO] [stdout] | |_________________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:795:21 [INFO] [stdout] | [INFO] [stdout] 795 | job.send(JobPacket{ n_steps: batch_size, diff: None, terminate: false }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:800:13 [INFO] [stdout] | [INFO] [stdout] 800 | job.send(JobPacket{ n_steps: batch_size, diff: None, terminate: true }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `M` should have a snake case name [INFO] [stdout] --> src/main.rs:884:9 [INFO] [stdout] | [INFO] [stdout] 884 | let M = value_t!(matches.value_of("M"), u32).unwrap_or_else(|e| e.exit()); [INFO] [stdout] | ^ help: convert the identifier to snake case: `m` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:919:5 [INFO] [stdout] | [INFO] [stdout] 919 | io::copy(&mut graph_file, &mut graph_hasher); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [optimized + debuginfo] target(s) in 55.78s [INFO] running `Command { std: "docker" "inspect" "ba6fa2ebb4ce041f67c69a048a0a35dba94dc63e838d34510d16e1a57111c47f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba6fa2ebb4ce041f67c69a048a0a35dba94dc63e838d34510d16e1a57111c47f", kill_on_drop: false }` [INFO] [stdout] ba6fa2ebb4ce041f67c69a048a0a35dba94dc63e838d34510d16e1a57111c47f