[INFO] cloning repository https://github.com/foundpatterns/torchbear
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/foundpatterns/torchbear" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoundpatterns%2Ftorchbear", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoundpatterns%2Ftorchbear'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c79de30320ad88ba2c2a57c3098bc284ebf4d3d
[INFO] testing foundpatterns/torchbear against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoundpatterns%2Ftorchbear" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/foundpatterns/torchbear on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5/source/.cargo/config
[INFO] started tweaking git repo https://github.com/foundpatterns/torchbear
[INFO] finished tweaking git repo https://github.com/foundpatterns/torchbear
[INFO] tweaked toml for git repo https://github.com/foundpatterns/torchbear written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/foundpatterns/torchbear already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-5/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/foundpatterns/actix-lua`
[INFO] [stderr]     Updating git repository `https://github.com/kyren/rlua`
[INFO] [stderr]     Updating git repository `https://github.com/foundpatterns/rlua_serde`
[INFO] [stderr]     Updating git repository `https://github.com/foundpatterns/scl`
[INFO] [stderr]     Updating git repository `https://github.com/foundpatterns/tera`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e51d396e99f915e1311ebede104be83767e2479f180751c9943b9ee4a4c4e049
[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" "e51d396e99f915e1311ebede104be83767e2479f180751c9943b9ee4a4c4e049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e51d396e99f915e1311ebede104be83767e2479f180751c9943b9ee4a4c4e049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e51d396e99f915e1311ebede104be83767e2479f180751c9943b9ee4a4c4e049", kill_on_drop: false }`
[INFO] [stdout] e51d396e99f915e1311ebede104be83767e2479f180751c9943b9ee4a4c4e049
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 82fe6f6a94dbbe4e859020bd7e11523e864a6a4893ac33ad9737d085c5aeba4c
[INFO] running `Command { std: "docker" "start" "-a" "82fe6f6a94dbbe4e859020bd7e11523e864a6a4893ac33ad9737d085c5aeba4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling unic-common v0.8.0
[INFO] [stderr]    Compiling v_htmlescape v0.4.5
[INFO] [stderr]    Compiling unic-char-range v0.8.0
[INFO] [stderr]    Compiling deunicode v0.4.3
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]    Compiling humansize v1.1.0
[INFO] [stderr]    Compiling typed-arena v1.7.0
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling entities v1.0.1
[INFO] [stderr]    Compiling diffs v0.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling openssl-src v111.13.0+1.1.1i
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling curl-sys v0.4.39+curl-7.74.0
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling libssh2-sys v0.2.20
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling rlua v0.16.3-alpha.0 (https://github.com/kyren/rlua?rev=78c2aac5bda746c9046f701a6d8631ad53841baa#78c2aac5)
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling lzma-sys v0.1.17
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling actix-web v0.7.19
[INFO] [stderr]    Compiling tower-service v0.1.0
[INFO] [stderr]    Compiling addr2line v0.14.1
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling futf v0.1.4
[INFO] [stderr]    Compiling unic-ucd-version v0.8.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling unic-char-property v0.8.0
[INFO] [stderr]    Compiling slug v0.1.4
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling unicode-normalization v0.1.16
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling unic-ucd-segment v0.8.0
[INFO] [stderr]    Compiling tendril v0.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling encoding v0.2.33
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling unic-segment v0.8.0
[INFO] [stderr]    Compiling crypto-mac v0.7.0
[INFO] [stderr]    Compiling block-cipher-trait v0.6.2
[INFO] [stderr]    Compiling universal-hash v0.3.0
[INFO] [stderr]    Compiling aead v0.2.0
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling filetime v0.2.13
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling libsodium-sys v0.2.6
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling aes-soft v0.3.3
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]    Compiling polyval v0.3.3
[INFO] [stderr]    Compiling hmac v0.7.1
[INFO] [stderr]    Compiling blake2 v0.8.1
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling resolv-conf v0.6.3
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling xz2 v0.1.6
[INFO] [stderr]    Compiling tar v0.4.30
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling nanoid v0.2.0
[INFO] [stderr]    Compiling aes v0.3.2
[INFO] [stderr]    Compiling ghash v0.2.3
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling serde_yaml v0.8.15
[INFO] [stderr]    Compiling hkdf v0.8.0
[INFO] [stderr]    Compiling rlua_serde v0.3.0 (https://github.com/foundpatterns/rlua_serde#6af3a4f9)
[INFO] [stderr]    Compiling checksumdir v0.3.0
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling globset v0.4.6
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling brotli2 v0.3.2
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling aes-gcm v0.5.0
[INFO] [stderr]    Compiling fern v0.5.9
[INFO] [stderr]    Compiling ulid v0.3.3
[INFO] [stderr]    Compiling ignore v0.4.17
[INFO] [stderr]    Compiling scl v0.0.1 (https://github.com/foundpatterns/scl#5ba7cd8d)
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.15.44/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' -C metadata=d008a32c5110a3aa -C extra-filename=-d008a32c5110a3aa --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-49e6735de3682b48.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-6d50a8ec5fa94fcb.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-3d4e94452878465a.rmeta --cap-lints allow --cap-lints=warn --cfg syn_can_match_trailing_dollar --cfg syn_can_use_thread_id --cfg syn_can_use_associated_constants --cfg syn_can_call_macro_by_path --cfg syn_disable_nightly_tests` (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" "82fe6f6a94dbbe4e859020bd7e11523e864a6a4893ac33ad9737d085c5aeba4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82fe6f6a94dbbe4e859020bd7e11523e864a6a4893ac33ad9737d085c5aeba4c", kill_on_drop: false }`
[INFO] [stdout] 82fe6f6a94dbbe4e859020bd7e11523e864a6a4893ac33ad9737d085c5aeba4c