[INFO] fetching crate basic_dsp 0.9.4...
[INFO] checking basic_dsp-0.9.4 against 1.55.0 for beta-1.56-3
[INFO] extracting crate basic_dsp 0.9.4 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate basic_dsp 0.9.4 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate basic_dsp 0.9.4
[INFO] finished tweaking crates.io crate basic_dsp 0.9.4
[INFO] tweaked toml for crates.io crate basic_dsp 0.9.4 written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] crate crates.io crate basic_dsp 0.9.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded num v0.4.0
[INFO] [stderr]   Downloaded serde_derive v1.0.116
[INFO] [stderr]   Downloaded packed_simd_2 v0.3.4
[INFO] [stderr]   Downloaded num-bigint v0.4.0
[INFO] [stderr]   Downloaded object v0.20.0
[INFO] [stderr]   Downloaded rustc-demangle v0.1.17
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.68
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.3
[INFO] [stderr]   Downloaded const_fn v0.4.2
[INFO] [stderr]   Downloaded gimli v0.22.0
[INFO] [stderr]   Downloaded addr2line v0.13.0
[INFO] [stderr]   Downloaded serde_json v1.0.58
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.18
[INFO] [stderr]   Downloaded base-x v0.2.6
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.68
[INFO] [stderr]   Downloaded serde v1.0.116
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.68
[INFO] [stderr]   Downloaded docopt v1.1.0
[INFO] [stderr]   Downloaded time v0.2.22
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.68
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.68
[INFO] [stderr]   Downloaded basic_dsp_matrix v0.9.3
[INFO] [stderr]   Downloaded standback v0.2.11
[INFO] [stderr]   Downloaded basic_dsp_interop v0.9.3
[INFO] [stderr]   Downloaded hamcrest v0.1.5
[INFO] [stderr]   Downloaded transpose v0.2.0
[INFO] [stderr]   Downloaded libc v0.2.79
[INFO] [stderr]   Downloaded backtrace v0.3.52
[INFO] [stderr]   Downloaded basic_dsp_vector v0.9.4
[INFO] [stderr]   Downloaded syn v1.0.43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1997987afaffcaf8c7ace96ed522c84d88851850c23c5a81f201b2262c8e09db
[INFO] running `Command { std: "docker" "start" "-a" "1997987afaffcaf8c7ace96ed522c84d88851850c23c5a81f201b2262c8e09db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1997987afaffcaf8c7ace96ed522c84d88851850c23c5a81f201b2262c8e09db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1997987afaffcaf8c7ace96ed522c84d88851850c23c5a81f201b2262c8e09db", kill_on_drop: false }`
[INFO] [stdout] 1997987afaffcaf8c7ace96ed522c84d88851850c23c5a81f201b2262c8e09db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9e2661a47832da1a975105d4b6ca8861c532d41e095e14f93f5bd870c32594d
[INFO] running `Command { std: "docker" "start" "-a" "f9e2661a47832da1a975105d4b6ca8861c532d41e095e14f93f5bd870c32594d", 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 libc v0.2.79
[INFO] [stderr]    Compiling syn v1.0.43
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]     Checking strength_reduce v0.2.3
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking arrayvec v0.7.1
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking strsim v0.9.3
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling standback v0.2.11
[INFO] [stderr]    Compiling time v0.2.22
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking transpose v0.2.0
[INFO] [stderr]     Checking primal-check v0.3.1
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking rustfft v6.0.1
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking hamcrest v0.1.5
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling displaydoc v0.1.7
[INFO] [stderr]     Checking linreg v0.2.0
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking basic_dsp_vector v0.9.4
[INFO] [stderr]     Checking basic_dsp_matrix v0.9.3
[INFO] [stderr]     Checking basic_dsp v0.9.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/complex_bench.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/complex_bench.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(box_syntax)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/time_freq_bench.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/time_freq_bench.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(box_syntax)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/real_bench.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/real_bench.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(box_syntax)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `basic_dsp` due to 3 previous errors
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f9e2661a47832da1a975105d4b6ca8861c532d41e095e14f93f5bd870c32594d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9e2661a47832da1a975105d4b6ca8861c532d41e095e14f93f5bd870c32594d", kill_on_drop: false }`
[INFO] [stdout] f9e2661a47832da1a975105d4b6ca8861c532d41e095e14f93f5bd870c32594d
