[INFO] fetching crate btfm 0.9.3...
[INFO] checking btfm-0.9.3 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate btfm 0.9.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate btfm 0.9.3 on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate btfm 0.9.3
[INFO] finished tweaking crates.io crate btfm 0.9.3
[INFO] tweaked toml for crates.io crate btfm 0.9.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate btfm 0.9.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flume v0.10.2
[INFO] [stderr]   Downloaded deepspeech v0.9.0
[INFO] [stderr]   Downloaded deepspeech-sys v0.9.0
[INFO] [stderr]   Downloaded songbird v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55b53ce36aaba7fde380dadda0fd8b2a3c0491317d42082840f2fc1c0665c57d
[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" "55b53ce36aaba7fde380dadda0fd8b2a3c0491317d42082840f2fc1c0665c57d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55b53ce36aaba7fde380dadda0fd8b2a3c0491317d42082840f2fc1c0665c57d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55b53ce36aaba7fde380dadda0fd8b2a3c0491317d42082840f2fc1c0665c57d", kill_on_drop: false }`
[INFO] [stdout] 55b53ce36aaba7fde380dadda0fd8b2a3c0491317d42082840f2fc1c0665c57d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5daa9a087fa6e7d0efe10847cf98d4ba9e657da25e3b48305f556c82ae83d16e
[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" "5daa9a087fa6e7d0efe10847cf98d4ba9e657da25e3b48305f556c82ae83d16e", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling serenity v0.10.2
[INFO] [stderr]    Compiling deepspeech-sys v0.9.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking zeroize v1.2.0
[INFO] [stderr]     Checking pnet_base v0.26.0
[INFO] [stderr]     Checking cpuid-bool v0.2.0
[INFO] [stderr]     Checking typemap_rev v0.1.4
[INFO] [stderr]    Compiling songbird v0.1.4
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking uwl v0.6.0
[INFO] [stderr]     Checking dasp_sample v0.11.0
[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 num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking bitreader v0.3.3
[INFO] [stderr]     Checking input_buffer v0.4.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking ogg v0.7.1
[INFO] [stderr]     Checking caf v0.1.0
[INFO] [stderr]     Checking pnet_macros_support v0.26.0
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking spinning_top v0.2.2
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking encoding_rs v0.8.28
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking dasp_frame v0.11.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking idna v0.2.1
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling libsqlite3-sys v0.18.0
[INFO] [stderr]    Compiling audiopus_sys v0.1.8
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking deepspeech v0.9.0
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking nanorand v0.5.2
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking lewton v0.9.4
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking mp4parse v0.10.1
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking audiopus v0.2.0
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking http-body v0.4.0
[INFO] [stderr]     Checking generic-array v0.14.4
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking alac v0.5.0
[INFO] [stderr]     Checking poly1305 v0.6.2
[INFO] [stderr]     Checking sha-1 v0.9.3
[INFO] [stderr]     Checking salsa20 v0.7.2
[INFO] [stderr]     Checking tungstenite v0.12.0
[INFO] [stderr]     Checking audrey v0.3.0
[INFO] [stderr]     Checking xsalsa20poly1305 v0.6.0
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.19.0
[INFO] [stderr]     Checking webpki-roots v0.21.0
[INFO] [stderr]     Checking webpki-roots v0.20.0
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.12
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]    Compiling command_attr v0.3.3
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling serde_repr v0.1.6
[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=fd10e7fe83e2dde5 -C extra-filename=-fd10e7fe83e2dde5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-5937e68a07e497f1.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-cd2a833f538de5c6.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-bc6733cdbe24bac3.rmeta --extern rustc_serialize=/opt/rustwide/target/debug/deps/librustc_serialize-3a45b7a0cb68c0b0.rmeta --extern syntex_errors=/opt/rustwide/target/debug/deps/libsyntex_errors-824d8bd5c5005d78.rmeta --extern syntex_pos=/opt/rustwide/target/debug/deps/libsyntex_pos-0618272efc4fff20.rmeta --extern term=/opt/rustwide/target/debug/deps/libterm-63c6bb4c79abc734.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-0d1f3e61585a6902.rmeta --cap-lints allow --cap-lints=forbid` (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" "5daa9a087fa6e7d0efe10847cf98d4ba9e657da25e3b48305f556c82ae83d16e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5daa9a087fa6e7d0efe10847cf98d4ba9e657da25e3b48305f556c82ae83d16e", kill_on_drop: false }`
[INFO] [stdout] 5daa9a087fa6e7d0efe10847cf98d4ba9e657da25e3b48305f556c82ae83d16e