[INFO] cloning repository https://github.com/e-max/knockturn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/e-max/knockturn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fe-max%2Fknockturn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fe-max%2Fknockturn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1843c1abf0b42c99cfd9e09f3fce00b57f699196
[INFO] checking e-max/knockturn against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fe-max%2Fknockturn" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/e-max/knockturn on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/e-max/knockturn
[INFO] finished tweaking git repo https://github.com/e-max/knockturn
[INFO] tweaked toml for git repo https://github.com/e-max/knockturn written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/e-max/knockturn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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] 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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", 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] 7ccae8e3e9413947b43e51eda164d1b0ee47ce97e07653e98c677bf0aced6940
[INFO] running `Command { std: "docker" "start" "-a" "7ccae8e3e9413947b43e51eda164d1b0ee47ce97e07653e98c677bf0aced6940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ccae8e3e9413947b43e51eda164d1b0ee47ce97e07653e98c677bf0aced6940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ccae8e3e9413947b43e51eda164d1b0ee47ce97e07653e98c677bf0aced6940", kill_on_drop: false }`
[INFO] [stdout] 7ccae8e3e9413947b43e51eda164d1b0ee47ce97e07653e98c677bf0aced6940
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--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] 219f016975b5993ffa228e121717b386863b6475733c97f10038abb97aa84566
[INFO] running `Command { std: "docker" "start" "-a" "219f016975b5993ffa228e121717b386863b6475733c97f10038abb97aa84566", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cc v1.0.49
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking smallvec v1.1.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking bytes v0.5.3
[INFO] [stderr]     Checking pin-project-lite v0.1.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking mime v0.3.15
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]    Compiling humansize v1.1.0
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking checked_int_cast v1.0.0
[INFO] [stderr]     Checking consistenttime v0.2.0
[INFO] [stderr]     Checking strum v0.13.0
[INFO] [stderr]     Checking data-encoding v2.1.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling num-bigint v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]     Checking tower-service v0.1.0
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking unicode-normalization v0.1.11
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking tokio-sync v0.1.7
[INFO] [stderr]     Checking miniz_oxide v0.3.5
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]     Checking bytestring v0.1.2
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling actix-web v0.7.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking tokio-executor v0.1.9
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking encoding_rs v0.8.22
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking tokio-timer v0.2.12
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling diesel-derive-enum v0.4.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling ring v0.16.9
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking uname v0.1.1
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling memoffset v0.5.3
[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 hyper v0.12.35
[INFO] [stderr]    Compiling im v12.3.4
[INFO] [stderr]    Compiling sentry v0.17.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking blowfish v0.4.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking signal-hook v0.1.12
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking resolv-conf v0.6.2
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking mime_guess v2.0.1
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking bigdecimal v0.1.0
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.3
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking cookie v0.11.1
[INFO] [stderr]     Checking bcrypt v0.3.0
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking tokio v0.2.6
[INFO] [stderr]     Checking r2d2 v0.8.8
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]     Checking tokio-reactor v0.1.11
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]    Compiling askama_shared v0.6.2
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]     Checking webpki v0.21.0
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]     Checking tokio-threadpool v0.1.17
[INFO] [stderr]     Checking boringauth v0.9.0
[INFO] [stderr]    Compiling askama_derive v0.6.4
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking webpki-roots v0.17.0
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking actix-codec v0.2.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking tokio-rustls v0.12.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling actix_derive v0.3.2
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling strum_macros v0.13.0
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]    Compiling derive_deref v1.1.0
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling derive_more v0.99.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]    Compiling actix-macros v0.1.1
[INFO] [stderr]    Compiling enum-as-inner v0.3.0
[INFO] [stderr]    Compiling async-trait v0.1.22
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]    Compiling actix-web-codegen v0.2.0
[INFO] [stderr]    Compiling v_escape_derive v0.5.6
[INFO] [stderr] error: could not compile `num-derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name num_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-derive-0.2.5/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 -C metadata=126ab3babccc3ceb -C extra-filename=-126ab3babccc3ceb --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-9484658faf025066.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-b9bf6e54186ef813.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-e9f14130b773fd50.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid --cfg has_i128` (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" "219f016975b5993ffa228e121717b386863b6475733c97f10038abb97aa84566", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "219f016975b5993ffa228e121717b386863b6475733c97f10038abb97aa84566", kill_on_drop: false }`
[INFO] [stdout] 219f016975b5993ffa228e121717b386863b6475733c97f10038abb97aa84566