[INFO] fetching crate jokestodon 0.1.0...
[INFO] checking jokestodon-0.1.0 against master#39d8d3ab6a880179ef12b5d11414d940711ed422 for pr-87316
[INFO] extracting crate jokestodon 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate jokestodon 0.1.0 on toolchain 39d8d3ab6a880179ef12b5d11414d940711ed422
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39d8d3ab6a880179ef12b5d11414d940711ed422" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jokestodon 0.1.0
[INFO] finished tweaking crates.io crate jokestodon 0.1.0
[INFO] tweaked toml for crates.io crate jokestodon 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate jokestodon 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39d8d3ab6a880179ef12b5d11414d940711ed422" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+39d8d3ab6a880179ef12b5d11414d940711ed422" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f81aaf88be3b2e86779d21f15108c97954fc4b0723da767282133919bba3d0cd
[INFO] running `Command { std: "docker" "start" "-a" "f81aaf88be3b2e86779d21f15108c97954fc4b0723da767282133919bba3d0cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f81aaf88be3b2e86779d21f15108c97954fc4b0723da767282133919bba3d0cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f81aaf88be3b2e86779d21f15108c97954fc4b0723da767282133919bba3d0cd", kill_on_drop: false }`
[INFO] [stdout] f81aaf88be3b2e86779d21f15108c97954fc4b0723da767282133919bba3d0cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+39d8d3ab6a880179ef12b5d11414d940711ed422" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fc9faff84b6a80040a02e1a81d77078b7a64eac70da12dab05237e2e7c09080
[INFO] running `Command { std: "docker" "start" "-a" "1fc9faff84b6a80040a02e1a81d77078b7a64eac70da12dab05237e2e7c09080", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking futures v0.1.30
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling cc v1.0.65
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling native-tls v0.2.6
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]    Compiling encoding_rs v0.8.26
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]    Compiling bytecount v0.6.1
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]     Checking data-encoding v2.3.1
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking tap-reader v1.0.1
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking socket2 v0.3.17
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking hyper-old-types v0.11.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking tokio v0.2.23
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.50/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=809811726cad8030 -C extra-filename=-809811726cad8030 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-1a6a39c3cd9b115f.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-504b9604c4b778d8.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-accda8c4d770d472.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" "1fc9faff84b6a80040a02e1a81d77078b7a64eac70da12dab05237e2e7c09080", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fc9faff84b6a80040a02e1a81d77078b7a64eac70da12dab05237e2e7c09080", kill_on_drop: false }`
[INFO] [stdout] 1fc9faff84b6a80040a02e1a81d77078b7a64eac70da12dab05237e2e7c09080