[INFO] fetching crate tc-rpc-server 2.0.0...
[INFO] checking tc-rpc-server-2.0.0 against master#46455dc65069387f2dc46612f13fd45452ab301a for pr-117433
[INFO] extracting crate tc-rpc-server 2.0.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate tc-rpc-server 2.0.0 on toolchain 46455dc65069387f2dc46612f13fd45452ab301a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+46455dc65069387f2dc46612f13fd45452ab301a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tc-rpc-server 2.0.0
[INFO] finished tweaking crates.io crate tc-rpc-server 2.0.0
[INFO] tweaked toml for crates.io crate tc-rpc-server 2.0.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+46455dc65069387f2dc46612f13fd45452ab301a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+46455dc65069387f2dc46612f13fd45452ab301a" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+46455dc65069387f2dc46612f13fd45452ab301a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 422f66e141c7c1025ed830b837ba3d4afa913ae4e41c0c24d4168d562d481518
[INFO] running `Command { std: "docker" "start" "-a" "422f66e141c7c1025ed830b837ba3d4afa913ae4e41c0c24d4168d562d481518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "422f66e141c7c1025ed830b837ba3d4afa913ae4e41c0c24d4168d562d481518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "422f66e141c7c1025ed830b837ba3d4afa913ae4e41c0c24d4168d562d481518", kill_on_drop: false }`
[INFO] [stdout] 422f66e141c7c1025ed830b837ba3d4afa913ae4e41c0c24d4168d562d481518
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+46455dc65069387f2dc46612f13fd45452ab301a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 758a81dfd25c51a0e1ec878f1f19ac5cd20c566b2a182754ab7f71135f3ecc27
[INFO] running `Command { std: "docker" "start" "-a" "758a81dfd25c51a0e1ec878f1f19ac5cd20c566b2a182754ab7f71135f3ecc27", kill_on_drop: false }`
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[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.96s
[INFO] running `Command { std: "docker" "inspect" "758a81dfd25c51a0e1ec878f1f19ac5cd20c566b2a182754ab7f71135f3ecc27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "758a81dfd25c51a0e1ec878f1f19ac5cd20c566b2a182754ab7f71135f3ecc27", kill_on_drop: false }`
[INFO] [stdout] 758a81dfd25c51a0e1ec878f1f19ac5cd20c566b2a182754ab7f71135f3ecc27
[INFO] checking tc-rpc-server-2.0.0 against try#794be3cb2f20e1fd15af31d8a42d380fc36600ed for pr-117433
[INFO] extracting crate tc-rpc-server 2.0.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate tc-rpc-server 2.0.0 on toolchain 794be3cb2f20e1fd15af31d8a42d380fc36600ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+794be3cb2f20e1fd15af31d8a42d380fc36600ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tc-rpc-server 2.0.0
[INFO] finished tweaking crates.io crate tc-rpc-server 2.0.0
[INFO] tweaked toml for crates.io crate tc-rpc-server 2.0.0 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" "+794be3cb2f20e1fd15af31d8a42d380fc36600ed" "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" "+794be3cb2f20e1fd15af31d8a42d380fc36600ed" "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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+794be3cb2f20e1fd15af31d8a42d380fc36600ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f9f72ac89f4389ed6e15eeefa921fff9dfaad958cf00e2273cd5498a3fcce10
[INFO] running `Command { std: "docker" "start" "-a" "8f9f72ac89f4389ed6e15eeefa921fff9dfaad958cf00e2273cd5498a3fcce10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f9f72ac89f4389ed6e15eeefa921fff9dfaad958cf00e2273cd5498a3fcce10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f9f72ac89f4389ed6e15eeefa921fff9dfaad958cf00e2273cd5498a3fcce10", kill_on_drop: false }`
[INFO] [stdout] 8f9f72ac89f4389ed6e15eeefa921fff9dfaad958cf00e2273cd5498a3fcce10
[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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+794be3cb2f20e1fd15af31d8a42d380fc36600ed" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c88c64215f7dd7fd21f7d77272199a2aed2c614a432ca721d5dd3829d734d2f
[INFO] running `Command { std: "docker" "start" "-a" "6c88c64215f7dd7fd21f7d77272199a2aed2c614a432ca721d5dd3829d734d2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]     Checking value-bag v1.4.2
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling serde v1.0.190
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking byte-slice-cast v1.2.2
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking bitvec v0.20.4
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking tetcore-std v2.1.2
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling ref-cast v1.0.20
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking concurrent-queue v2.3.0
[INFO] [stderr]     Checking iana-time-zone v0.1.58
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking uint-crate v0.9.1
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]     Checking ahash v0.4.8
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking tetsy-wasm v0.41.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking tracing-log v0.1.4
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking tetsy-hash-db v0.15.3
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]    Compiling tetsy-util-mem v0.9.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking keccak v0.1.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]     Checking cpufeatures v0.2.11
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking waker-fn v1.1.1
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking twasmi-validation v0.3.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking environ v1.1.3
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking signature v1.6.4
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking ed25519 v1.5.3
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking pbkdf2 v0.4.0
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking hmac-drbg v0.2.0
[INFO] [stderr]     Checking tetsy-fixed-hash v0.7.1
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]     Checking dyn-clone v1.0.14
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking tetsy-hash256-std-hasher v0.15.3
[INFO] [stderr]     Checking twasmi v0.6.2
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.28.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking linux-raw-sys v0.4.10
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]     Checking object v0.32.1
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking tetsy-trie-db v0.22.3
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking parking_lot_core v0.7.3
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking tetsy-trie-root v0.16.1
[INFO] [stderr]     Checking bstr v1.7.0
[INFO] [stderr]     Checking async-task v4.5.0
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking globset v0.4.13
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking blocking v1.4.1
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking async-executor v1.6.0
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking event-listener v3.0.1
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]     Checking mio-named-pipes v0.1.7
[INFO] [stderr]    Compiling prometheus v0.10.0
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking url v2.4.1
[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/794be3cb2f20e1fd15af31d8a42d380fc36600ed/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="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=34e6519938fd1d29 -C extra-filename=-34e6519938fd1d29 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-8f9eaa8821be0e99.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-d108c9f5106570d3.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-f8d62a079c79a15a.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" "6c88c64215f7dd7fd21f7d77272199a2aed2c614a432ca721d5dd3829d734d2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c88c64215f7dd7fd21f7d77272199a2aed2c614a432ca721d5dd3829d734d2f", kill_on_drop: false }`
[INFO] [stdout] 6c88c64215f7dd7fd21f7d77272199a2aed2c614a432ca721d5dd3829d734d2f