[INFO] fetching crate riffu 3.0.0... [INFO] checking riffu-3.0.0 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863 [INFO] extracting crate riffu 3.0.0 into /workspace/builds/worker-11/source [INFO] validating manifest of crates.io crate riffu 3.0.0 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 crates.io crate riffu 3.0.0 [INFO] finished tweaking crates.io crate riffu 3.0.0 [INFO] tweaked toml for crates.io crate riffu 3.0.0 written to /workspace/builds/worker-11/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stdout] 301fab1b8b34c8e3be2094627be42db7721d6c130a8e06288eae34557e7bf970 [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" "301fab1b8b34c8e3be2094627be42db7721d6c130a8e06288eae34557e7bf970", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "301fab1b8b34c8e3be2094627be42db7721d6c130a8e06288eae34557e7bf970", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "301fab1b8b34c8e3be2094627be42db7721d6c130a8e06288eae34557e7bf970", kill_on_drop: false }` [INFO] [stdout] 301fab1b8b34c8e3be2094627be42db7721d6c130a8e06288eae34557e7bf970 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 29af0d21eab2724b62aed06d4fcb40af6a1f9451e1f05d0815dc4e10d83353ef [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" "29af0d21eab2724b62aed06d4fcb40af6a1f9451e1f05d0815dc4e10d83353ef", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling libc v0.2.85 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling const_fn v0.4.5 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Compiling serde_json v1.0.62 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking byteorder v1.4.2 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Checking plotters-backend v0.3.0 [INFO] [stderr] Checking half v1.7.1 [INFO] [stderr] Checking regex-syntax v0.6.22 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking itertools v0.10.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking plotters-svg v0.3.0 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking riffu v3.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking crossbeam-epoch v0.9.1 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking plotters v0.3.0 [INFO] [stderr] Checking bstr v0.2.15 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking csv v1.1.5 [INFO] [stderr] Checking tinytemplate v1.2.0 [INFO] [stderr] Checking criterion v0.3.4 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> benches/my_benchmark.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | let mut chunk_root = ChunkDisk::from_path("test_assets/set_4.riff").unwrap(); [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] --> benches/my_benchmark.rs:19:17 [INFO] [stdout] | [INFO] [stdout] 19 | let mut list_1 = chunk_root.iter().unwrap().next().unwrap().unwrap(); [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] --> benches/my_benchmark.rs:24:21 [INFO] [stdout] | [INFO] [stdout] 24 | let mut test = list_1.iter().unwrap().next().unwrap().unwrap(); [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] --> benches/my_benchmark.rs:32:21 [INFO] [stdout] | [INFO] [stdout] 32 | let mut test = list_1.iter().unwrap().skip(1).next().unwrap().unwrap(); [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] --> benches/my_benchmark.rs:41:17 [INFO] [stdout] | [INFO] [stdout] 41 | let mut list_1 = chunk_root.iter().unwrap().skip(1).next().unwrap().unwrap(); [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] --> benches/my_benchmark.rs:70:13 [INFO] [stdout] | [INFO] [stdout] 70 | let mut chunk_root = ChunkDisk::from_path("test_assets/set_3.riff").unwrap(); [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] --> benches/my_benchmark.rs:78:17 [INFO] [stdout] | [INFO] [stdout] 78 | let mut list_1 = chunk_root.iter().unwrap().next().unwrap().unwrap(); [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] --> benches/my_benchmark.rs:83:21 [INFO] [stdout] | [INFO] [stdout] 83 | let mut test = list_1.iter().unwrap().next().unwrap().unwrap(); [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] --> benches/my_benchmark.rs:91:21 [INFO] [stdout] | [INFO] [stdout] 91 | let mut test = list_1.iter().unwrap().skip(1).next().unwrap().unwrap(); [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] --> benches/my_benchmark.rs:100:17 [INFO] [stdout] | [INFO] [stdout] 100 | let mut list_1 = chunk_root.iter().unwrap().skip(1).next().unwrap().unwrap(); [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] --> benches/my_benchmark.rs:129:13 [INFO] [stdout] | [INFO] [stdout] 129 | let mut chunk_root = ChunkDisk::from_path("test_assets/set_2.riff").unwrap(); [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] --> benches/my_benchmark.rs:139:17 [INFO] [stdout] | [INFO] [stdout] 139 | let mut chunk = chunk.unwrap(); [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] --> benches/my_benchmark.rs:146:13 [INFO] [stdout] | [INFO] [stdout] 146 | let mut chunk_root = ChunkDisk::from_path("test_assets/set_1.riff").unwrap(); [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] --> benches/my_benchmark.rs:156:17 [INFO] [stdout] | [INFO] [stdout] 156 | let mut chunk = chunk.unwrap(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 01s [INFO] running `Command { std: "docker" "inspect" "29af0d21eab2724b62aed06d4fcb40af6a1f9451e1f05d0815dc4e10d83353ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "29af0d21eab2724b62aed06d4fcb40af6a1f9451e1f05d0815dc4e10d83353ef", kill_on_drop: false }` [INFO] [stdout] 29af0d21eab2724b62aed06d4fcb40af6a1f9451e1f05d0815dc4e10d83353ef