[INFO] fetching crate apres 0.2.5... [INFO] checking apres-0.2.5 against beta for pr-78714 [INFO] extracting crate apres 0.2.5 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate apres 0.2.5 on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate apres 0.2.5 [INFO] finished tweaking crates.io crate apres 0.2.5 [INFO] tweaked toml for crates.io crate apres 0.2.5 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 16192d719e18b1fb036f4cb9b2b0c650e0cfad848c7fa17b57e517729815efb0 [INFO] running `Command { std: "docker" "start" "-a" "16192d719e18b1fb036f4cb9b2b0c650e0cfad848c7fa17b57e517729815efb0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "16192d719e18b1fb036f4cb9b2b0c650e0cfad848c7fa17b57e517729815efb0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "16192d719e18b1fb036f4cb9b2b0c650e0cfad848c7fa17b57e517729815efb0", kill_on_drop: false }` [INFO] [stdout] 16192d719e18b1fb036f4cb9b2b0c650e0cfad848c7fa17b57e517729815efb0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5045b6c0c0ed0c6535dc91c55379b9e178f3fb1fa679037a354bf1ceccd7623e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "5045b6c0c0ed0c6535dc91c55379b9e178f3fb1fa679037a354bf1ceccd7623e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking apres v0.2.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `min` [INFO] [stdout] --> src/lib.rs:3:21 [INFO] [stdout] | [INFO] [stdout] 3 | use std::cmp::{max, min}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::MIDIEvent::*` [INFO] [stdout] --> src/tests.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use super::MIDIEvent::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/lib.rs:1022:29 [INFO] [stdout] | [INFO] [stdout] 1022 | smpte = ((((divword & 0x7F00) >> 8) as i8) as u32); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `min` [INFO] [stdout] --> src/lib.rs:3:21 [INFO] [stdout] | [INFO] [stdout] 3 | use std::cmp::{max, min}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/lib.rs:1022:29 [INFO] [stdout] | [INFO] [stdout] 1022 | smpte = ((((divword & 0x7F00) >> 8) as i8) as u32); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `n` is assigned to, but never used [INFO] [stdout] --> src/lib.rs:670:13 [INFO] [stdout] | [INFO] [stdout] 670 | let n: u32; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_n` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `n` is never read [INFO] [stdout] --> src/lib.rs:781:17 [INFO] [stdout] | [INFO] [stdout] 781 | n = dequeue_n(bytes, varlength 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: unused variable: `e` [INFO] [stdout] --> src/lib.rs:979:17 [INFO] [stdout] | [INFO] [stdout] 979 | Err(e) => {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `smpte` is assigned to, but never used [INFO] [stdout] --> src/lib.rs:998:13 [INFO] [stdout] | [INFO] [stdout] 998 | let mut smpte: u32; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_smpte` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `tpf` is assigned to, but never used [INFO] [stdout] --> src/lib.rs:999:13 [INFO] [stdout] | [INFO] [stdout] 999 | let mut tpf: u32; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_tpf` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `smpte` is never read [INFO] [stdout] --> src/lib.rs:1022:21 [INFO] [stdout] | [INFO] [stdout] 1022 | smpte = ((((divword & 0x7F00) >> 8) as i8) as u32); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `tpf` is never read [INFO] [stdout] --> src/lib.rs:1023:21 [INFO] [stdout] | [INFO] [stdout] 1023 | tpf = divword & 0x00FF; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/lib.rs:1053:13 [INFO] [stdout] | [INFO] [stdout] 1053 | let n: u32; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `varlength` [INFO] [stdout] --> src/lib.rs:1054:13 [INFO] [stdout] | [INFO] [stdout] 1054 | let varlength: u64; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_varlength` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/lib.rs:1074:17 [INFO] [stdout] | [INFO] [stdout] 1074 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/lib.rs:1145:17 [INFO] [stdout] | [INFO] [stdout] 1145 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `track` [INFO] [stdout] --> src/lib.rs:1201:36 [INFO] [stdout] | [INFO] [stdout] 1201 | pub fn get_track_length(&self, track: usize) -> usize { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_track` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:1336:24 [INFO] [stdout] | [INFO] [stdout] 1336 | fn build_key_signature(mut mi: u8, mut sf: u8) -> MIDIEvent { [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:1336:36 [INFO] [stdout] | [INFO] [stdout] 1336 | fn build_key_signature(mut mi: u8, mut sf: u8) -> MIDIEvent { [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `n` is assigned to, but never used [INFO] [stdout] --> src/lib.rs:670:13 [INFO] [stdout] | [INFO] [stdout] 670 | let n: u32; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_n` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `n` is never read [INFO] [stdout] --> src/lib.rs:781:17 [INFO] [stdout] | [INFO] [stdout] 781 | n = dequeue_n(bytes, varlength 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: unused variable: `e` [INFO] [stdout] --> src/lib.rs:979:17 [INFO] [stdout] | [INFO] [stdout] 979 | Err(e) => {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `smpte` is assigned to, but never used [INFO] [stdout] --> src/lib.rs:998:13 [INFO] [stdout] | [INFO] [stdout] 998 | let mut smpte: u32; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_smpte` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `tpf` is assigned to, but never used [INFO] [stdout] --> src/lib.rs:999:13 [INFO] [stdout] | [INFO] [stdout] 999 | let mut tpf: u32; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_tpf` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `smpte` is never read [INFO] [stdout] --> src/lib.rs:1022:21 [INFO] [stdout] | [INFO] [stdout] 1022 | smpte = ((((divword & 0x7F00) >> 8) as i8) as u32); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `tpf` is never read [INFO] [stdout] --> src/lib.rs:1023:21 [INFO] [stdout] | [INFO] [stdout] 1023 | tpf = divword & 0x00FF; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/lib.rs:1053:13 [INFO] [stdout] | [INFO] [stdout] 1053 | let n: u32; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `varlength` [INFO] [stdout] --> src/lib.rs:1054:13 [INFO] [stdout] | [INFO] [stdout] 1054 | let varlength: u64; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_varlength` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/lib.rs:1074:17 [INFO] [stdout] | [INFO] [stdout] 1074 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/lib.rs:1145:17 [INFO] [stdout] | [INFO] [stdout] 1145 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `track` [INFO] [stdout] --> src/lib.rs:1201:36 [INFO] [stdout] | [INFO] [stdout] 1201 | pub fn get_track_length(&self, track: usize) -> usize { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_track` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bpm` [INFO] [stdout] --> src/tests.rs:255:10 [INFO] [stdout] | [INFO] [stdout] 255 | for (bpm, expected_uspqn) in test_cases_bpm.iter() { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_bpm` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:973:17 [INFO] [stdout] | [INFO] [stdout] 973 | file.read(&mut buffer); [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 `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:1143:17 [INFO] [stdout] | [INFO] [stdout] 1143 | file.write_all(bytes.as_slice()); [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: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:1336:24 [INFO] [stdout] | [INFO] [stdout] 1336 | fn build_key_signature(mut mi: u8, mut sf: u8) -> MIDIEvent { [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:1336:36 [INFO] [stdout] | [INFO] [stdout] 1336 | fn build_key_signature(mut mi: u8, mut sf: u8) -> MIDIEvent { [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tests.rs:239:13 [INFO] [stdout] | [INFO] [stdout] 239 | let mut event = ChannelPrefix(i as u8); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tests.rs:256:13 [INFO] [stdout] | [INFO] [stdout] 256 | let mut event = SetTempo(*expected_uspqn); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:973:17 [INFO] [stdout] | [INFO] [stdout] 973 | file.read(&mut buffer); [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 `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:1143:17 [INFO] [stdout] | [INFO] [stdout] 1143 | file.write_all(bytes.as_slice()); [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: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.98s [INFO] running `Command { std: "docker" "inspect" "5045b6c0c0ed0c6535dc91c55379b9e178f3fb1fa679037a354bf1ceccd7623e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5045b6c0c0ed0c6535dc91c55379b9e178f3fb1fa679037a354bf1ceccd7623e", kill_on_drop: false }` [INFO] [stdout] 5045b6c0c0ed0c6535dc91c55379b9e178f3fb1fa679037a354bf1ceccd7623e