[INFO] cloning repository https://github.com/hacknyu/aletheia
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hacknyu/aletheia" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhacknyu%2Faletheia", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhacknyu%2Faletheia'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 68cf1a6998b11d5d06690b85c25113917a2e46c5
[INFO] checking hacknyu/aletheia against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhacknyu%2Faletheia" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hacknyu/aletheia on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-8/source/.cargo/config
[INFO] started tweaking git repo https://github.com/hacknyu/aletheia
[INFO] finished tweaking git repo https://github.com/hacknyu/aletheia
[INFO] tweaked toml for git repo https://github.com/hacknyu/aletheia written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/hacknyu/aletheia already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f610ccae6eff358bb642b877ddcbeeb0c0b0b032254817570fa8a1ae06fc4140
[INFO] running `Command { std: "docker" "start" "-a" "f610ccae6eff358bb642b877ddcbeeb0c0b0b032254817570fa8a1ae06fc4140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f610ccae6eff358bb642b877ddcbeeb0c0b0b032254817570fa8a1ae06fc4140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f610ccae6eff358bb642b877ddcbeeb0c0b0b032254817570fa8a1ae06fc4140", kill_on_drop: false }`
[INFO] [stdout] f610ccae6eff358bb642b877ddcbeeb0c0b0b032254817570fa8a1ae06fc4140
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95bce6e0d2da4522cecdb90245aeaa06dc0fe44a37dac7e634acaf31e67f0872
[INFO] running `Command { std: "docker" "start" "-a" "95bce6e0d2da4522cecdb90245aeaa06dc0fe44a37dac7e634acaf31e67f0872", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking futures v0.1.28
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling yansi v0.4.0
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling matches v0.1.8
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[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling state v0.4.1
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling openssl v0.10.23
[INFO] [stderr]    Compiling bindgen v0.37.4
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking ascii v0.8.7
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]     Checking byte-tools v0.3.1
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[INFO] [stderr]    Compiling rand_core v0.3.1
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[INFO] [stderr]    Compiling regex-syntax v0.6.8
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking lock_api v0.2.0
[INFO] [stderr]     Checking gif v0.10.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking heck v0.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking typenum v1.10.0
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking lock_api v0.1.5
[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]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling pear_codegen v0.1.2
[INFO] [stderr]    Compiling unicase v2.4.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking aho-corasick v0.7.4
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[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]     Checking tokio-sync v0.1.6
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking xml-rs v0.7.0
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling clang-sys v0.23.0
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking mustache v0.9.0
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking signal-hook-registry v1.0.1
[INFO] [stderr]     Checking getrandom v0.1.6
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking filetime v0.2.5
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking crypto-mac v0.5.2
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking regex v1.1.9
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling hyper v0.12.31
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling rusoto_core v0.37.0
[INFO] [stderr]     Checking signal-hook v0.1.9
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking blake2 v0.8.0
[INFO] [stderr]     Checking dotenv v0.9.0
[INFO] [stderr]     Checking phf_shared v0.7.24
[INFO] [stderr]     Checking hmac v0.5.0
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking unicase_serde v0.1.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.17
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]    Compiling hyper v0.10.16
[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-0.15.39/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 --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"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=c9dae7a84ce099cb -C extra-filename=-c9dae7a84ce099cb --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-19a00d6dbe4cba52.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-28f45e272f1380f6.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-1f05abef37c9dd2c.rmeta --cap-lints allow --cap-lints=forbid --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` (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" "95bce6e0d2da4522cecdb90245aeaa06dc0fe44a37dac7e634acaf31e67f0872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95bce6e0d2da4522cecdb90245aeaa06dc0fe44a37dac7e634acaf31e67f0872", kill_on_drop: false }`
[INFO] [stdout] 95bce6e0d2da4522cecdb90245aeaa06dc0fe44a37dac7e634acaf31e67f0872