[INFO] fetching crate stack_epic_wallet_impls 3.4.0...
[INFO] checking stack_epic_wallet_impls-3.4.0 against try#23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 for pr-115950
[INFO] extracting crate stack_epic_wallet_impls 3.4.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate stack_epic_wallet_impls 3.4.0 on toolchain 23ffd2897cbb44320ca18dfe4d05dbacb37d55e0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stack_epic_wallet_impls 3.4.0
[INFO] finished tweaking crates.io crate stack_epic_wallet_impls 3.4.0
[INFO] tweaked toml for crates.io crate stack_epic_wallet_impls 3.4.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab4e5b0d7b621aa4189889590314bcf42b3030049b87f8f8e4e3249509aa7013
[INFO] running `Command { std: "docker" "start" "-a" "ab4e5b0d7b621aa4189889590314bcf42b3030049b87f8f8e4e3249509aa7013", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab4e5b0d7b621aa4189889590314bcf42b3030049b87f8f8e4e3249509aa7013", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab4e5b0d7b621aa4189889590314bcf42b3030049b87f8f8e4e3249509aa7013", kill_on_drop: false }`
[INFO] [stdout] ab4e5b0d7b621aa4189889590314bcf42b3030049b87f8f8e4e3249509aa7013
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 177cf9194ad10d6e75a8ec84f14f806a062000bdca5b803929c62291ace290dd
[INFO] running `Command { std: "docker" "start" "-a" "177cf9194ad10d6e75a8ec84f14f806a062000bdca5b803929c62291ace290dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memchr v2.6.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking cpufeatures v0.2.9
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling clang-sys v0.23.0
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling aho-corasick v1.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
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[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]     Checking generic-array v0.12.4
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[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
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[INFO] [stderr]    Compiling vec_map v0.8.2
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[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
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[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.8.1
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[INFO] [stderr]     Checking arrayvec v0.3.25
[INFO] [stderr]    Compiling cc v1.0.83
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[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking static_assertions v0.2.5
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking spin v0.5.2
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[INFO] [stderr]    Compiling gcc v0.3.55
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[INFO] [stderr]     Checking constant_time_eq v0.1.5
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[INFO] [stderr]     Checking tiny-keccak v1.5.0
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[INFO] [stderr]     Checking enum_primitive v0.1.1
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[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling grin_secp256k1zkp v0.7.12
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking md5 v0.6.1
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking supercow v0.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]    Compiling clear_on_drop v0.2.5
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling openssl-sys v0.9.93
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling sqlite3-src v0.5.1
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]    Compiling regex v1.9.5
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling openssl v0.10.57
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling curve25519-dalek v1.2.6
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking universal-hash v0.5.1
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking poly1305 v0.8.0
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/23ffd2897cbb44320ca18dfe4d05dbacb37d55e0/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-1.0.109/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --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=4a69abae7c525a89 -C extra-filename=-4a69abae7c525a89 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d5e10ff7bab057c4.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-ecb9810fc901132a.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-62f822500da935ba.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "177cf9194ad10d6e75a8ec84f14f806a062000bdca5b803929c62291ace290dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "177cf9194ad10d6e75a8ec84f14f806a062000bdca5b803929c62291ace290dd", kill_on_drop: false }`
[INFO] [stdout] 177cf9194ad10d6e75a8ec84f14f806a062000bdca5b803929c62291ace290dd