[INFO] fetching crate btfm 0.12.1...
[INFO] documenting btfm-0.12.1 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate btfm 0.12.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate btfm 0.12.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate btfm 0.12.1
[INFO] finished tweaking crates.io crate btfm 0.12.1
[INFO] tweaked toml for crates.io crate btfm 0.12.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate btfm 0.12.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded deepspeech v0.9.0
[INFO] [stderr]   Downloaded dasp_sample v0.11.0
[INFO] [stderr]   Downloaded audiopus v0.2.0
[INFO] [stderr]   Downloaded pnet_macros v0.26.0
[INFO] [stderr]   Downloaded discortp v0.2.2
[INFO] [stderr]   Downloaded command_attr v0.3.6
[INFO] [stderr]   Downloaded caf v0.1.0
[INFO] [stderr]   Downloaded audrey v0.3.0
[INFO] [stderr]   Downloaded flume v0.10.5
[INFO] [stderr]   Downloaded serenity-voice-model v0.1.0
[INFO] [stderr]   Downloaded bitreader v0.3.4
[INFO] [stderr]   Downloaded dasp_frame v0.11.0
[INFO] [stderr]   Downloaded streamcatcher v0.1.0
[INFO] [stderr]   Downloaded mp4parse v0.10.1
[INFO] [stderr]   Downloaded alac v0.5.0
[INFO] [stderr]   Downloaded pnet_base v0.26.0
[INFO] [stderr]   Downloaded deepspeech-sys v0.9.0
[INFO] [stderr]   Downloaded serenity v0.10.7
[INFO] [stderr]   Downloaded pnet_macros_support v0.26.0
[INFO] [stderr]   Downloaded audiopus_sys v0.1.8
[INFO] [stderr]   Downloaded songbird v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c40e358922c41b387fa59c91acae321926a4af98ff99b09445a5d6bc7e4e2c86
[INFO] running `Command { std: "docker" "start" "-a" "c40e358922c41b387fa59c91acae321926a4af98ff99b09445a5d6bc7e4e2c86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c40e358922c41b387fa59c91acae321926a4af98ff99b09445a5d6bc7e4e2c86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c40e358922c41b387fa59c91acae321926a4af98ff99b09445a5d6bc7e4e2c86", kill_on_drop: false }`
[INFO] [stdout] c40e358922c41b387fa59c91acae321926a4af98ff99b09445a5d6bc7e4e2c86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "RUSTDOCFLAGS=--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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d2cfcdd034f41cdd0775dfc58a9b01c3609690474b2fd11b45fc1fda7b95c43
[INFO] running `Command { std: "docker" "start" "-a" "9d2cfcdd034f41cdd0775dfc58a9b01c3609690474b2fd11b45fc1fda7b95c43", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]     Checking cpufeatures v0.1.4
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling whoami v1.1.2
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]    Compiling unicode_categories v0.1.1
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[INFO] [stderr]     Checking typemap_rev v0.1.5
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling songbird v0.1.6
[INFO] [stderr]     Checking claxon v0.4.3
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking spin_sleep v1.0.0
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking input_buffer v0.4.0
[INFO] [stderr]     Checking bitreader v0.3.4
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]     Checking ogg v0.7.1
[INFO] [stderr]     Checking caf v0.1.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]     Checking unicode-normalization v0.1.18
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking pnet_macros_support v0.26.0
[INFO] [stderr]     Checking spinning_top v0.2.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking crypto-mac v0.10.0
[INFO] [stderr]     Checking atoi v0.4.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking nom v6.1.2
[INFO] [stderr]     Checking sha-1 v0.9.6
[INFO] [stderr]     Checking sha2 v0.9.5
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[INFO] [stderr]     Checking dasp_frame v0.11.0
[INFO] [stderr]     Checking salsa20 v0.7.2
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking hmac v0.10.1
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[INFO] [stderr]     Checking mp4parse v0.10.1
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[INFO] [stderr]    Compiling block-buffer v0.9.0
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[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
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[INFO] [stderr]     Checking stringprep v0.1.2
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[INFO] [stderr]    Compiling num-integer v0.1.44
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[INFO] [stderr]     Checking getrandom v0.2.3
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[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking deepspeech v0.9.0
[INFO] [stderr]     Checking dirs v3.0.2
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[INFO] [stderr]     Checking clap v2.33.3
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[INFO] [stderr]     Checking rand_core v0.5.1
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[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_pcg v0.2.1
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[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking hashlink v0.7.0
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]     Checking webpki-roots v0.20.0
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling command_attr v0.3.6
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr] error: could not compile `syntex_syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syntex_syntax /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.42.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=caee14cb3144ceeb -C extra-filename=-caee14cb3144ceeb --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-747eda7edcbf1380.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-87112b62ee103c2a.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-1bfa4e4f3f840233.rmeta --extern rustc_serialize=/opt/rustwide/target/debug/deps/librustc_serialize-91775e1d201509e0.rmeta --extern syntex_errors=/opt/rustwide/target/debug/deps/libsyntex_errors-df722ee1d75d670e.rmeta --extern syntex_pos=/opt/rustwide/target/debug/deps/libsyntex_pos-476dd4ac6db12ad2.rmeta --extern term=/opt/rustwide/target/debug/deps/libterm-767467b5cf566acb.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-96ca08acfc130865.rmeta --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9d2cfcdd034f41cdd0775dfc58a9b01c3609690474b2fd11b45fc1fda7b95c43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d2cfcdd034f41cdd0775dfc58a9b01c3609690474b2fd11b45fc1fda7b95c43", kill_on_drop: false }`
[INFO] [stdout] 9d2cfcdd034f41cdd0775dfc58a9b01c3609690474b2fd11b45fc1fda7b95c43
