[INFO] cloning repository https://github.com/s1na/ruster
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/s1na/ruster" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fs1na%2Fruster", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fs1na%2Fruster'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d445ad62d67b969ef4164936da6ffe8f6e1fd0e1
[INFO] testing s1na/ruster against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fs1na%2Fruster" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/s1na/ruster on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/s1na/ruster
[INFO] finished tweaking git repo https://github.com/s1na/ruster
[INFO] tweaked toml for git repo https://github.com/s1na/ruster written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/s1na/ruster already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.22
[INFO] [stderr]   Downloaded wabt v0.4.0
[INFO] [stderr]   Downloaded parity-wasm v0.31.0
[INFO] [stderr]   Downloaded wabt-sys v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1374069978b8918d373c7448e924cc1895a79cb30f43ea23516c4d443adf01a9
[INFO] running `Command { std: "docker" "start" "-a" "1374069978b8918d373c7448e924cc1895a79cb30f43ea23516c4d443adf01a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1374069978b8918d373c7448e924cc1895a79cb30f43ea23516c4d443adf01a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1374069978b8918d373c7448e924cc1895a79cb30f43ea23516c4d443adf01a9", kill_on_drop: false }`
[INFO] [stdout] 1374069978b8918d373c7448e924cc1895a79cb30f43ea23516c4d443adf01a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 662cc3021169efb0bc7f7b21d459ad99b8fc7bb0633d2dd04c93b621654e1eee
[INFO] running `Command { std: "docker" "start" "-a" "662cc3021169efb0bc7f7b21d459ad99b8fc7bb0633d2dd04c93b621654e1eee", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling itoa v0.4.2
[INFO] [stderr]    Compiling byteorder v1.2.3
[INFO] [stderr]    Compiling nan-preserving-float v0.1.0
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling memory_units v0.3.0
[INFO] [stderr]    Compiling indexmap v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]    Compiling parity-wasm v0.31.0
[INFO] [stderr]    Compiling codegen v0.1.0 (https://github.com/carllerche/codegen#9b2f8185)
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]    Compiling cmake v0.1.31
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling wabt-sys v0.2.0
[INFO] [stderr]    Compiling wasmi v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.70
[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-1.0.70/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=a10b7a284a352944 -C extra-filename=-a10b7a284a352944 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid --cfg de_boxed_c_str --cfg de_rc_dst --cfg core_duration --cfg integer128 --cfg num_nonzero` (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" "662cc3021169efb0bc7f7b21d459ad99b8fc7bb0633d2dd04c93b621654e1eee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "662cc3021169efb0bc7f7b21d459ad99b8fc7bb0633d2dd04c93b621654e1eee", kill_on_drop: false }`
[INFO] [stdout] 662cc3021169efb0bc7f7b21d459ad99b8fc7bb0633d2dd04c93b621654e1eee