[INFO] fetching crate silkroad 0.0.4...
[INFO] checking silkroad-0.0.4 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate silkroad 0.0.4 into /workspace/builds/worker-114/source
[INFO] validating manifest of crates.io crate silkroad 0.0.4 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 silkroad 0.0.4
[INFO] finished tweaking crates.io crate silkroad 0.0.4
[INFO] tweaked toml for crates.io crate silkroad 0.0.4 written to /workspace/builds/worker-114/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ahash v0.2.19
[INFO] [stderr]   Downloaded resolv-conf v0.6.3
[INFO] [stderr]   Downloaded slog_derive v0.1.1
[INFO] [stderr]   Downloaded actix-utils v0.4.7
[INFO] [stderr]   Downloaded actix-testing v0.1.0
[INFO] [stderr]   Downloaded actix-rt v0.2.6
[INFO] [stderr]   Downloaded sct v0.5.0
[INFO] [stderr]   Downloaded actix-codec v0.1.2
[INFO] [stderr]   Downloaded derive_more v0.15.0
[INFO] [stderr]   Downloaded actix-http v0.2.11
[INFO] [stderr]   Downloaded actix-web-codegen v0.1.3
[INFO] [stderr]   Downloaded actix-router v0.1.5
[INFO] [stderr]   Downloaded actix-server v0.6.1
[INFO] [stderr]   Downloaded enum-as-inner v0.2.1
[INFO] [stderr]   Downloaded actix-files v0.1.7
[INFO] [stderr]   Downloaded trust-dns-resolver v0.11.1
[INFO] [stderr]   Downloaded libgit2-sys v0.8.2
[INFO] [stderr]   Downloaded webpki-roots v0.16.0
[INFO] [stderr]   Downloaded trust-dns-proto v0.7.4
[INFO] [stderr]   Downloaded git2 v0.9.2
[INFO] [stderr]   Downloaded rustls v0.15.2
[INFO] [stderr]   Downloaded actix-connect v0.2.5
[INFO] [stderr]   Downloaded actix-server-config v0.1.2
[INFO] [stderr]   Downloaded actix-threadpool v0.1.2
[INFO] [stderr]   Downloaded actix-web v1.0.9
[INFO] [stderr]   Downloaded webpki v0.19.1
[INFO] [stderr]   Downloaded tokio-rustls v0.9.4
[INFO] [stderr]   Downloaded actix-service v0.4.2
[INFO] [stderr]   Downloaded awc v0.2.8
[INFO] [stderr]   Downloaded hex-serde v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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] b806d13602734ed5e01bab19d946dec0d554bbb0dc1dcb069c086c91294d384b
[INFO] running `Command { std: "docker" "start" "-a" "b806d13602734ed5e01bab19d946dec0d554bbb0dc1dcb069c086c91294d384b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b806d13602734ed5e01bab19d946dec0d554bbb0dc1dcb069c086c91294d384b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b806d13602734ed5e01bab19d946dec0d554bbb0dc1dcb069c086c91294d384b", kill_on_drop: false }`
[INFO] [stdout] b806d13602734ed5e01bab19d946dec0d554bbb0dc1dcb069c086c91294d384b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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] 88ba4f26f3595cf0dad6169d4ea0b764e96fa0525d55fd6cae6152c9d69a6bba
[INFO] running `Command { std: "docker" "start" "-a" "88ba4f26f3595cf0dad6169d4ea0b764e96fa0525d55fd6cae6152c9d69a6bba", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]    Compiling serde_derive v1.0.129
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling v_htmlescape v0.4.5
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking arc-swap v1.3.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling slog-async v2.7.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]     Checking actix-service v0.4.2
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling libssh2-sys v0.2.21
[INFO] [stderr]    Compiling libgit2-sys v0.8.2
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking encoding_rs v0.8.28
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking block-padding v0.1.5
[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]    Compiling hashbrown v0.6.3
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr] error: could not compile `semver-parser`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name semver_parser /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/semver-parser-0.7.0/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 -C metadata=8fcb85df1b1460b9 -C extra-filename=-8fcb85df1b1460b9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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" "88ba4f26f3595cf0dad6169d4ea0b764e96fa0525d55fd6cae6152c9d69a6bba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88ba4f26f3595cf0dad6169d4ea0b764e96fa0525d55fd6cae6152c9d69a6bba", kill_on_drop: false }`
[INFO] [stdout] 88ba4f26f3595cf0dad6169d4ea0b764e96fa0525d55fd6cae6152c9d69a6bba