[INFO] fetching crate pallet-bounties 3.0.0...
[INFO] checking pallet-bounties-3.0.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate pallet-bounties 3.0.0 into /workspace/builds/worker-24/source
[INFO] validating manifest of crates.io crate pallet-bounties 3.0.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pallet-bounties 3.0.0
[INFO] finished tweaking crates.io crate pallet-bounties 3.0.0
[INFO] tweaked toml for crates.io crate pallet-bounties 3.0.0 written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8421a411cc28a1c0e4a59b671747af3437291b9aa1f1df009a060d3d4e4fbfd4
[INFO] running `Command { std: "docker" "start" "-a" "8421a411cc28a1c0e4a59b671747af3437291b9aa1f1df009a060d3d4e4fbfd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8421a411cc28a1c0e4a59b671747af3437291b9aa1f1df009a060d3d4e4fbfd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8421a411cc28a1c0e4a59b671747af3437291b9aa1f1df009a060d3d4e4fbfd4", kill_on_drop: false }`
[INFO] [stdout] 8421a411cc28a1c0e4a59b671747af3437291b9aa1f1df009a060d3d4e4fbfd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2f0a7e5ecfa2adfde55503021825361b74f81e1ec19460224a9057c0521e91b
[INFO] running `Command { std: "docker" "start" "-a" "b2f0a7e5ecfa2adfde55503021825361b74f81e1ec19460224a9057c0521e91b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling ref-cast v1.0.6
[INFO] [stderr]     Checking wasmi-validation v0.3.0
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking ed25519 v1.2.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking tracing v0.1.28
[INFO] [stderr]     Checking proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking object v0.26.2
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking uint v0.9.1
[INFO] [stderr]     Checking hash256-std-hasher v0.15.2
[INFO] [stderr]     Checking futures-channel v0.3.17
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking bitvec v0.20.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking hmac-drbg v0.2.0
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking pbkdf2 v0.4.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking pbkdf2 v0.8.0
[INFO] [stderr]     Checking sha2 v0.9.8
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking approx v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.5
[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-1.0.76/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=8d836a087aa5cb09 -C extra-filename=-8d836a087aa5cb09 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-fc6b92fa46147edf.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e1e335b8b96ed529.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" "b2f0a7e5ecfa2adfde55503021825361b74f81e1ec19460224a9057c0521e91b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2f0a7e5ecfa2adfde55503021825361b74f81e1ec19460224a9057c0521e91b", kill_on_drop: false }`
[INFO] [stdout] b2f0a7e5ecfa2adfde55503021825361b74f81e1ec19460224a9057c0521e91b