[INFO] cloning repository https://github.com/mordak/runt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mordak/runt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmordak%2Frunt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmordak%2Frunt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 03ac329c54d61a05d2390f28c963f2a7d8c9a590
[INFO] testing mordak/runt against try#ddc023471205c186b40f4bf8ffb598008dbf4885 for pr-87041-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmordak%2Frunt" "/workspace/builds/worker-78/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-78/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mordak/runt on toolchain ddc023471205c186b40f4bf8ffb598008dbf4885
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddc023471205c186b40f4bf8ffb598008dbf4885" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mordak/runt
[INFO] finished tweaking git repo https://github.com/mordak/runt
[INFO] tweaked toml for git repo https://github.com/mordak/runt written to /workspace/builds/worker-78/source/Cargo.toml
[INFO] crate git repo https://github.com/mordak/runt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddc023471205c186b40f4bf8ffb598008dbf4885" "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 rustls-connector v0.13.1
[INFO] [stderr]   Downloaded imap v3.0.0-alpha.4
[INFO] [stderr]   Downloaded imap-proto v0.14.3
[INFO] [stderr]   Downloaded mailparse v0.13.4
[INFO] [stderr]   Downloaded maildir v0.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+ddc023471205c186b40f4bf8ffb598008dbf4885" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e4f33471a32c57fdff0f977424a562ba28a289bad4d68426e66fb5b70aaa4a6
[INFO] running `Command { std: "docker" "start" "-a" "6e4f33471a32c57fdff0f977424a562ba28a289bad4d68426e66fb5b70aaa4a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e4f33471a32c57fdff0f977424a562ba28a289bad4d68426e66fb5b70aaa4a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e4f33471a32c57fdff0f977424a562ba28a289bad4d68426e66fb5b70aaa4a6", kill_on_drop: false }`
[INFO] [stdout] 6e4f33471a32c57fdff0f977424a562ba28a289bad4d68426e66fb5b70aaa4a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+ddc023471205c186b40f4bf8ffb598008dbf4885" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86b5fa9b97cd78c156c2ee6202f0b54078c618e1bd7da9002e22d6cbe89399c1
[INFO] running `Command { std: "docker" "start" "-a" "86b5fa9b97cd78c156c2ee6202f0b54078c618e1bd7da9002e22d6cbe89399c1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling quoted_printable v0.4.3
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling fallible-streaming-iterator v0.1.9
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling libsqlite3-sys v0.18.0
[INFO] [stderr] error: could not compile `serde_derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.126/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,future-incompat --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=d5607f222166f46a -C extra-filename=-d5607f222166f46a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c22f143857bd0eb1.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-b999afa71eb18cfa.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-c93219c6210bf7e4.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid --cfg underscore_consts` (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" "86b5fa9b97cd78c156c2ee6202f0b54078c618e1bd7da9002e22d6cbe89399c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86b5fa9b97cd78c156c2ee6202f0b54078c618e1bd7da9002e22d6cbe89399c1", kill_on_drop: false }`
[INFO] [stdout] 86b5fa9b97cd78c156c2ee6202f0b54078c618e1bd7da9002e22d6cbe89399c1