[INFO] cloning repository https://github.com/FractalDiane/midi-reader [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FractalDiane/midi-reader" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFractalDiane%2Fmidi-reader", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFractalDiane%2Fmidi-reader'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 97abfdd7dcddc59cd0649fe825bbdc5bd1e2e2fd [INFO] checking FractalDiane/midi-reader against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFractalDiane%2Fmidi-reader" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/FractalDiane/midi-reader on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/FractalDiane/midi-reader [INFO] finished tweaking git repo https://github.com/FractalDiane/midi-reader [INFO] tweaked toml for git repo https://github.com/FractalDiane/midi-reader written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/FractalDiane/midi-reader already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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] cebb370cb84572404ee568b5dfd351017644e4ffa7ebc700d572821c38accec7 [INFO] running `Command { std: "docker" "start" "-a" "cebb370cb84572404ee568b5dfd351017644e4ffa7ebc700d572821c38accec7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cebb370cb84572404ee568b5dfd351017644e4ffa7ebc700d572821c38accec7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cebb370cb84572404ee568b5dfd351017644e4ffa7ebc700d572821c38accec7", kill_on_drop: false }` [INFO] [stdout] cebb370cb84572404ee568b5dfd351017644e4ffa7ebc700d572821c38accec7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 97d04981d0ee13aafd106829e6f4b41c06c2129613e392af1c8e0577fe513da6 [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" "97d04981d0ee13aafd106829e6f4b41c06c2129613e392af1c8e0577fe513da6", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling syn v1.0.54 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-derive v0.3.3 [INFO] [stderr] Checking num v0.2.1 [INFO] [stderr] Checking midi_reader v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `cast` [INFO] [stdout] --> src/main.rs:17:26 [INFO] [stdout] | [INFO] [stdout] 17 | use num::{FromPrimitive, cast}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `cast` [INFO] [stdout] --> src/main.rs:17:26 [INFO] [stdout] | [INFO] [stdout] 17 | use num::{FromPrimitive, cast}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `typ` is assigned to, but never used [INFO] [stdout] --> src/main.rs:253:8 [INFO] [stdout] | [INFO] [stdout] 253 | let typ: u8; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_typ` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `channel` is assigned to, but never used [INFO] [stdout] --> src/main.rs:254:8 [INFO] [stdout] | [INFO] [stdout] 254 | let channel: u8; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_channel` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `typ` is never read [INFO] [stdout] --> src/main.rs:259:5 [INFO] [stdout] | [INFO] [stdout] 259 | typ = high4(*prev_status); [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 `channel` is never read [INFO] [stdout] --> src/main.rs:260:5 [INFO] [stdout] | [INFO] [stdout] 260 | channel = low4(*prev_status); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `typ` is never read [INFO] [stdout] --> src/main.rs:265:5 [INFO] [stdout] | [INFO] [stdout] 265 | typ = high4(status); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `channel` is never read [INFO] [stdout] --> src/main.rs:266:5 [INFO] [stdout] | [INFO] [stdout] 266 | channel = low4(status); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `typ` is assigned to, but never used [INFO] [stdout] --> src/main.rs:253:8 [INFO] [stdout] | [INFO] [stdout] 253 | let typ: u8; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_typ` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `channel` is assigned to, but never used [INFO] [stdout] --> src/main.rs:254:8 [INFO] [stdout] | [INFO] [stdout] 254 | let channel: u8; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_channel` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `typ` is never read [INFO] [stdout] --> src/main.rs:259:5 [INFO] [stdout] | [INFO] [stdout] 259 | typ = high4(*prev_status); [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 `channel` is never read [INFO] [stdout] --> src/main.rs:260:5 [INFO] [stdout] | [INFO] [stdout] 260 | channel = low4(*prev_status); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `typ` is never read [INFO] [stdout] --> src/main.rs:265:5 [INFO] [stdout] | [INFO] [stdout] 265 | typ = high4(status); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `channel` is never read [INFO] [stdout] --> src/main.rs:266:5 [INFO] [stdout] | [INFO] [stdout] 266 | channel = low4(status); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5m 38s [INFO] running `Command { std: "docker" "inspect" "97d04981d0ee13aafd106829e6f4b41c06c2129613e392af1c8e0577fe513da6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "97d04981d0ee13aafd106829e6f4b41c06c2129613e392af1c8e0577fe513da6", kill_on_drop: false }` [INFO] [stdout] 97d04981d0ee13aafd106829e6f4b41c06c2129613e392af1c8e0577fe513da6