[INFO] cloning repository https://github.com/ul/sound-garden-2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ul/sound-garden-2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ful%2Fsound-garden-2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ful%2Fsound-garden-2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c1448401e6c41c70256ee33551a2371570ac884
[INFO] checking ul/sound-garden-2 against master#368e2fd458a22d0cc133d0c254f2612ee999744f for pr-128351
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ful%2Fsound-garden-2" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ul/sound-garden-2 on toolchain 368e2fd458a22d0cc133d0c254f2612ee999744f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+368e2fd458a22d0cc133d0c254f2612ee999744f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ul/sound-garden-2
[INFO] finished tweaking git repo https://github.com/ul/sound-garden-2
[INFO] tweaked toml for git repo https://github.com/ul/sound-garden-2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ul/sound-garden-2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+368e2fd458a22d0cc133d0c254f2612ee999744f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-7-tc1/source/synth-modules/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr] warning: /workspace/builds/worker-7-tc1/source/jack-stack/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr] warning: /workspace/builds/worker-7-tc1/source/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr] warning: /workspace/builds/worker-7-tc1/source/jack-modules/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.80
[INFO] [stderr]   Downloaded quote v0.6.10
[INFO] [stderr]   Downloaded proc-macro2 v0.4.23
[INFO] [stderr]   Downloaded strsim v0.7.0
[INFO] [stderr]   Downloaded unicode-width v0.1.5
[INFO] [stderr]   Downloaded owning_ref v0.3.3
[INFO] [stderr]   Downloaded rand_core v0.3.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.40
[INFO] [stderr]   Downloaded slog-stdlog v3.0.2
[INFO] [stderr]   Downloaded memchr v2.1.1
[INFO] [stderr]   Downloaded crossbeam-epoch v0.6.1
[INFO] [stderr]   Downloaded textwrap v0.10.0
[INFO] [stderr]   Downloaded crossbeam-channel v0.3.1
[INFO] [stderr]   Downloaded itertools v0.7.8
[INFO] [stderr]   Downloaded syn v0.15.20
[INFO] [stderr]   Downloaded clap v2.32.0
[INFO] [stderr]   Downloaded rosc v0.1.5
[INFO] [stderr]   Downloaded regex v1.0.6
[INFO] [stderr]   Downloaded regex-syntax v0.6.3
[INFO] [stderr]   Downloaded libflate v0.1.18
[INFO] [stderr]   Downloaded time v0.1.40
[INFO] [stderr]   Downloaded term v0.5.1
[INFO] [stderr]   Downloaded slog-term v2.4.0
[INFO] [stderr]   Downloaded arrayvec v0.4.7
[INFO] [stderr]   Downloaded crossbeam-utils v0.6.1
[INFO] [stderr]   Downloaded parking_lot v0.6.4
[INFO] [stderr]   Downloaded either v1.5.0
[INFO] [stderr]   Downloaded jack-sys v0.2.0
[INFO] [stderr]   Downloaded serde_derive v1.0.80
[INFO] [stderr]   Downloaded slog-scope v4.0.1
[INFO] [stderr]   Downloaded isatty v0.1.9
[INFO] [stderr]   Downloaded slog v2.4.1
[INFO] [stderr]   Downloaded byteorder v1.2.7
[INFO] [stderr]   Downloaded toml v0.4.8
[INFO] [stderr]   Downloaded parking_lot_core v0.3.1
[INFO] [stderr]   Downloaded jack v0.6.0
[INFO] [stderr]   Downloaded byteorder v0.5.3
[INFO] [stderr]   Downloaded slog-async v2.3.0
[INFO] [stderr]   Downloaded slog-kvfilter v0.7.0
[INFO] [stderr]   Downloaded trackable v0.2.20
[INFO] [stderr]   Downloaded rand_core v0.2.2
[INFO] [stderr]   Downloaded sloggers v0.3.1
[INFO] [stderr]   Downloaded trackable_derive v0.1.1
[INFO] [stderr]   Downloaded crossbeam v0.2.12
[INFO] [stderr]   Downloaded lock_api v0.1.4
[INFO] [stderr]   Downloaded smallvec v0.6.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+368e2fd458a22d0cc133d0c254f2612ee999744f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 864697b41076ea7fdea93d5098586f5eeda0bf4658c248c860f06a894a150dcb
[INFO] running `Command { std: "docker" "start" "-a" "864697b41076ea7fdea93d5098586f5eeda0bf4658c248c860f06a894a150dcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "864697b41076ea7fdea93d5098586f5eeda0bf4658c248c860f06a894a150dcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "864697b41076ea7fdea93d5098586f5eeda0bf4658c248c860f06a894a150dcb", kill_on_drop: false }`
[INFO] [stdout] 864697b41076ea7fdea93d5098586f5eeda0bf4658c248c860f06a894a150dcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+368e2fd458a22d0cc133d0c254f2612ee999744f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89a413eec81897c96edaea315b86d3f96d7d91dd459ed7f07ca0d6977a75fd11
[INFO] running `Command { std: "docker" "start" "-a" "89a413eec81897c96edaea315b86d3f96d7d91dd459ed7f07ca0d6977a75fd11", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/jack-modules/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr] warning: /opt/rustwide/workdir/synth-modules/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr] warning: /opt/rustwide/workdir/jack-stack/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr] warning: /opt/rustwide/workdir/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr] warning: sound-garden v0.1.0 (/opt/rustwide/workdir) ignoring invalid dependency `jack-stack` which is missing a lib target
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking synth-modules v0.1.0 (/opt/rustwide/workdir/synth-modules)
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.23
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> synth-modules/src/delay.rs:43:21
[INFO] [stdout]    |
[INFO] [stdout] 43 |         self.buffer[(self.frame_number & self.mask)] = x;
[INFO] [stdout]    |                     ^                             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 43 -         self.buffer[(self.frame_number & self.mask)] = x;
[INFO] [stdout] 43 +         self.buffer[self.frame_number & self.mask] = x;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking crossbeam-utils v0.6.1
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking lock_api v0.1.4
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]     Checking jack-sys v0.2.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking regex-syntax v0.6.3
[INFO] [stderr]     Checking jack v0.6.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]     Checking slog-scope v4.0.1
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking libflate v0.1.18
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking itertools v0.7.8
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> synth-modules/src/delay.rs:43:21
[INFO] [stdout]    |
[INFO] [stdout] 43 |         self.buffer[(self.frame_number & self.mask)] = x;
[INFO] [stdout]    |                     ^                             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 43 -         self.buffer[(self.frame_number & self.mask)] = x;
[INFO] [stdout] 43 +         self.buffer[self.frame_number & self.mask] = x;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rosc v0.1.5
[INFO] [stderr]     Checking slog-stdlog v3.0.2
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling syn v0.15.20
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking crossbeam-channel v0.3.1
[INFO] [stderr]     Checking slog-term v2.4.0
[INFO] [stderr]     Checking jack-modules v0.1.0 (/opt/rustwide/workdir/jack-modules)
[INFO] [stderr]     Checking sound-garden v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling trackable_derive v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking slog-kvfilter v0.7.0
[INFO] [stderr]     Checking trackable v0.2.20
[INFO] [stderr]     Checking toml v0.4.8
[INFO] [stderr]     Checking sloggers v0.3.1
[INFO] [stderr]     Checking jack-stack v0.1.0 (/opt/rustwide/workdir/jack-stack)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.97s
[INFO] running `Command { std: "docker" "inspect" "89a413eec81897c96edaea315b86d3f96d7d91dd459ed7f07ca0d6977a75fd11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89a413eec81897c96edaea315b86d3f96d7d91dd459ed7f07ca0d6977a75fd11", kill_on_drop: false }`
[INFO] [stdout] 89a413eec81897c96edaea315b86d3f96d7d91dd459ed7f07ca0d6977a75fd11