[INFO] cloning repository https://github.com/hobinjk/tom-servo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hobinjk/tom-servo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhobinjk%2Ftom-servo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhobinjk%2Ftom-servo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 87c891ab2a536053af7db7eb74cc414850a740b6
[INFO] testing hobinjk/tom-servo against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhobinjk%2Ftom-servo" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hobinjk/tom-servo on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hobinjk/tom-servo
[INFO] finished tweaking git repo https://github.com/hobinjk/tom-servo
[INFO] tweaked toml for git repo https://github.com/hobinjk/tom-servo written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/hobinjk/tom-servo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/mozilla-iot/webthing-rust`
[INFO] [stderr]     Updating git repository `https://github.com/plietar/rust-mdns`
[INFO] [stderr]     Updating git repository `https://github.com/plietar/dns-parser`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded socket2 v0.2.4
[INFO] [stderr]   Downloaded nix v0.8.1
[INFO] [stderr]   Downloaded i2cdev v0.4.0
[INFO] [stderr]   Downloaded actix-web v0.6.6
[INFO] [stderr]   Downloaded valico v2.1.0
[INFO] [stderr]   Downloaded actix v0.5.7
[INFO] [stderr]   Downloaded multimap v0.3.0
[INFO] [stderr]   Downloaded h2 v0.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b82986b189cbe41d2aa44db4463802dad4b863b7ea76da77a3996bd3c15efd8d
[INFO] running `Command { std: "docker" "start" "-a" "b82986b189cbe41d2aa44db4463802dad4b863b7ea76da77a3996bd3c15efd8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b82986b189cbe41d2aa44db4463802dad4b863b7ea76da77a3996bd3c15efd8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b82986b189cbe41d2aa44db4463802dad4b863b7ea76da77a3996bd3c15efd8d", kill_on_drop: false }`
[INFO] [stdout] b82986b189cbe41d2aa44db4463802dad4b863b7ea76da77a3996bd3c15efd8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46e11dc4fe77e3080b43cc20771f25a349edd0af558cb64feeef1d782d1dad64
[INFO] running `Command { std: "docker" "start" "-a" "46e11dc4fe77e3080b43cc20771f25a349edd0af558cb64feeef1d782d1dad64", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling cc v1.0.15
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling byteorder v1.2.3
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling futures v0.1.21
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.8
[INFO] [stderr]    Compiling slab v0.4.0
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling serde v1.0.55
[INFO] [stderr]    Compiling lazycell v0.6.0
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling same-file v1.0.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling bytecount v0.3.1
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling smallvec v0.6.1
[INFO] [stderr]    Compiling stable_deref_trait v1.0.0
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.7
[INFO] [stderr]    Compiling memoffset v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]    Compiling untrusted v0.5.1
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling regex v1.0.0
[INFO] [stderr]    Compiling string v0.1.0
[INFO] [stderr]    Compiling indexmap v1.0.1
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling httparse v1.2.4
[INFO] [stderr]    Compiling http-range v0.1.1
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling multimap v0.3.0
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling traitobject v0.0.3
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling hostname v0.1.4
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling lru-cache v0.1.1
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling net2 v0.2.32
[INFO] [stderr]    Compiling crossbeam-utils v0.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling walkdir v2.1.4
[INFO] [stderr]    Compiling regex-syntax v0.6.0
[INFO] [stderr]    Compiling nix v0.8.1
[INFO] [stderr]    Compiling dns-parser v0.3.2 (https://github.com/plietar/dns-parser#1d3e5a55)
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]    Compiling base64 v0.9.1
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling uuid v0.6.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling idna v0.1.4
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling bytes v0.4.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling resolv-conf v0.6.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.1
[INFO] [stderr]    Compiling mio v0.6.14
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.2.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]    Compiling actix_derive v0.2.0
[INFO] [stderr]    Compiling actix-web v0.6.6
[INFO] [stderr]    Compiling encoding v0.2.33
[INFO] [stderr]    Compiling parking_lot v0.4.8
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling http v0.1.5
[INFO] [stderr] error: could not compile `serde`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.55/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="default"' --cfg 'feature="std"' -C metadata=484dc22b2aa5d1cb -C extra-filename=-484dc22b2aa5d1cb --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" "46e11dc4fe77e3080b43cc20771f25a349edd0af558cb64feeef1d782d1dad64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46e11dc4fe77e3080b43cc20771f25a349edd0af558cb64feeef1d782d1dad64", kill_on_drop: false }`
[INFO] [stdout] 46e11dc4fe77e3080b43cc20771f25a349edd0af558cb64feeef1d782d1dad64