[INFO] cloning repository https://github.com/boringcactus/circumvention-chronicles
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/boringcactus/circumvention-chronicles" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboringcactus%2Fcircumvention-chronicles", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboringcactus%2Fcircumvention-chronicles'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e905d9d7133b1cad818052cdc14d96961b3fedcc
[INFO] checking boringcactus/circumvention-chronicles against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboringcactus%2Fcircumvention-chronicles" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/boringcactus/circumvention-chronicles on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/boringcactus/circumvention-chronicles
[INFO] finished tweaking git repo https://github.com/boringcactus/circumvention-chronicles
[INFO] tweaked toml for git repo https://github.com/boringcactus/circumvention-chronicles written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/boringcactus/circumvention-chronicles already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2001bee5c344f6abc337730d86dd501f4d76819596d0eab576b2d87d1e8d1285
[INFO] running `Command { std: "docker" "start" "-a" "2001bee5c344f6abc337730d86dd501f4d76819596d0eab576b2d87d1e8d1285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2001bee5c344f6abc337730d86dd501f4d76819596d0eab576b2d87d1e8d1285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2001bee5c344f6abc337730d86dd501f4d76819596d0eab576b2d87d1e8d1285", kill_on_drop: false }`
[INFO] [stdout] 2001bee5c344f6abc337730d86dd501f4d76819596d0eab576b2d87d1e8d1285
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae676f193b35b44ee7c2e9c81da4b069b4ad28aa50a1e93ae7f8d5d26acc6eab
[INFO] running `Command { std: "docker" "start" "-a" "ae676f193b35b44ee7c2e9c81da4b069b4ad28aa50a1e93ae7f8d5d26acc6eab", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.37
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking num-traits v0.2.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling khronos_api v2.1.0
[INFO] [stderr]     Checking piston-float v0.3.0
[INFO] [stderr]     Checking serde v1.0.27
[INFO] [stderr]     Checking futures v0.1.18
[INFO] [stderr]     Checking adler32 v1.0.2
[INFO] [stderr]    Compiling cc v1.0.4
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling either v1.4.0
[INFO] [stderr]     Checking shader_version v0.3.0
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]     Checking piston-texture v0.6.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling build_const v0.2.0
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]     Checking interpolation v0.1.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking fixedbitset v0.1.8
[INFO] [stderr]     Checking open v1.2.1
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling xml-rs v0.6.1
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking stb_truetype v0.2.2
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]    Compiling x11-dl v2.17.3
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking encoding_rs v0.7.2
[INFO] [stderr]     Checking mime v0.3.5
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking deflate v0.7.17
[INFO] [stderr]     Checking inflate v0.3.4
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking piston-viewport v0.3.0
[INFO] [stderr]     Checking vecmath v0.3.1
[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-0.9.15/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=107522095b8404fa -C extra-filename=-107522095b8404fa --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" "ae676f193b35b44ee7c2e9c81da4b069b4ad28aa50a1e93ae7f8d5d26acc6eab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae676f193b35b44ee7c2e9c81da4b069b4ad28aa50a1e93ae7f8d5d26acc6eab", kill_on_drop: false }`
[INFO] [stdout] ae676f193b35b44ee7c2e9c81da4b069b4ad28aa50a1e93ae7f8d5d26acc6eab