[INFO] updating cached repository https://github.com/Vonstrab/audio-graph-parallelization
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ba3763891f703285fdd0ae9013bccc850e6d20b2
[INFO] checking Vonstrab/audio-graph-parallelization against try#98d5ea1855f1028095b37c493ba31093c8519d68 for pr-69548
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVonstrab%2Faudio-graph-parallelization" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/Vonstrab/audio-graph-parallelization on toolchain 98d5ea1855f1028095b37c493ba31093c8519d68
[INFO] running `"/workspace/cargo-home/bin/cargo" "+98d5ea1855f1028095b37c493ba31093c8519d68" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Vonstrab/audio-graph-parallelization
[INFO] finished tweaking git repo https://github.com/Vonstrab/audio-graph-parallelization
[INFO] tweaked toml for git repo https://github.com/Vonstrab/audio-graph-parallelization written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Vonstrab/audio-graph-parallelization already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+98d5ea1855f1028095b37c493ba31093c8519d68" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+98d5ea1855f1028095b37c493ba31093c8519d68" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7deec2fa066419f6a4773b5e744463ad1e2ef1b366a31cc15c3338a284d8d671
[INFO] running `"docker" "start" "-a" "7deec2fa066419f6a4773b5e744463ad1e2ef1b366a31cc15c3338a284d8d671"`
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling pest v2.1.0
[INFO] [stderr]     Checking libloading v0.4.3
[INFO] [stderr]     Checking core_affinity v0.5.9
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking criterion-plot v0.3.0
[INFO] [stderr]     Checking crossbeam v0.7.1
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking jack-sys v0.2.0 (https://github.com/RustAudio/rust-jack.git#ea7f01e9)
[INFO] [stderr]     Checking jack v0.6.0-rc1 (https://github.com/RustAudio/rust-jack.git#ea7f01e9)
[INFO] [stderr]    Compiling pest_meta v2.1.0
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking csv v1.0.5
[INFO] [stderr]     Checking audio_graph_parallelization v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/execution/work_stealing.rs:75:55
[INFO] [stderr]    |
[INFO] [stderr] 75 |         let start_time = std::time::SystemTime::now();;
[INFO] [stderr]    |                                                       ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolon)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Checking tinytemplate v1.0.1
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/execution/sequential.rs:49:13
[INFO] [stderr]    |
[INFO] [stderr] 49 |         let mut out_port =
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/execution/static_scheduling.rs:64:13
[INFO] [stderr]    |
[INFO] [stderr] 64 |         let mut out_port =
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/execution/work_stealing.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |         let mut out_port =
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/task_graph/node.rs:131:33
[INFO] [stderr]     |
[INFO] [stderr] 131 | ...                   let mut buffer = vec.as_mut_slice();
[INFO] [stderr]     |                           ----^^^^^^
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] error: couldn't read src/schedule.rs: No such file or directory (os error 2)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `audio_graph_parallelization`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "7deec2fa066419f6a4773b5e744463ad1e2ef1b366a31cc15c3338a284d8d671"`
[INFO] running `"docker" "rm" "-f" "7deec2fa066419f6a4773b5e744463ad1e2ef1b366a31cc15c3338a284d8d671"`
[INFO] [stdout] 7deec2fa066419f6a4773b5e744463ad1e2ef1b366a31cc15c3338a284d8d671