[INFO] fetching crate feeds-to-pocket 0.1.6...
[INFO] checking feeds-to-pocket-0.1.6 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate feeds-to-pocket 0.1.6 into /workspace/builds/worker-99/source
[INFO] validating manifest of crates.io crate feeds-to-pocket 0.1.6 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate feeds-to-pocket 0.1.6
[INFO] finished tweaking crates.io crate feeds-to-pocket 0.1.6
[INFO] tweaked toml for crates.io crate feeds-to-pocket 0.1.6 written to /workspace/builds/worker-99/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e3d309005ac53c2ad7f673393dc248c5cf0e03b2ba598f2a143af6fffd7a97f
[INFO] running `Command { std: "docker" "start" "-a" "4e3d309005ac53c2ad7f673393dc248c5cf0e03b2ba598f2a143af6fffd7a97f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e3d309005ac53c2ad7f673393dc248c5cf0e03b2ba598f2a143af6fffd7a97f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e3d309005ac53c2ad7f673393dc248c5cf0e03b2ba598f2a143af6fffd7a97f", kill_on_drop: false }`
[INFO] [stdout] 4e3d309005ac53c2ad7f673393dc248c5cf0e03b2ba598f2a143af6fffd7a97f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0372930e251f4bbd90fe3f6b8264dd4b192c1c2c99b56bea5868fbba74fd6f17
[INFO] running `Command { std: "docker" "start" "-a" "0372930e251f4bbd90fe3f6b8264dd4b192c1c2c99b56bea5868fbba74fd6f17", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling serde_derive v1.0.129
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling serde v1.0.129
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]    Compiling derive_builder v0.5.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking tinyvec v1.3.1
[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-1.0.75/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"' -C metadata=77dc0a561e83639a -C extra-filename=-77dc0a561e83639a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-72dd94e62781faf3.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-754b571958ad5368.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-3c8a88541efd8c80.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" "0372930e251f4bbd90fe3f6b8264dd4b192c1c2c99b56bea5868fbba74fd6f17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0372930e251f4bbd90fe3f6b8264dd4b192c1c2c99b56bea5868fbba74fd6f17", kill_on_drop: false }`
[INFO] [stdout] 0372930e251f4bbd90fe3f6b8264dd4b192c1c2c99b56bea5868fbba74fd6f17