[INFO] cloning repository https://github.com/df5602/aoc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/df5602/aoc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdf5602%2Faoc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdf5602%2Faoc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c63dda1ca30144e699f0be41430d9f9c5cfe396
[INFO] building df5602/aoc against try#615edd3ad1cf6871c977dc900317cb6c2070fd6b for pr-97334
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdf5602%2Faoc" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/df5602/aoc on toolchain 615edd3ad1cf6871c977dc900317cb6c2070fd6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/df5602/aoc
[INFO] finished tweaking git repo https://github.com/df5602/aoc
[INFO] tweaked toml for git repo https://github.com/df5602/aoc written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/df5602/aoc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 335f07ac842c8626a04a297169edf014a6ef9549d1219888feb558a712d59392
[INFO] running `Command { std: "docker" "start" "-a" "335f07ac842c8626a04a297169edf014a6ef9549d1219888feb558a712d59392", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "335f07ac842c8626a04a297169edf014a6ef9549d1219888feb558a712d59392", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "335f07ac842c8626a04a297169edf014a6ef9549d1219888feb558a712d59392", kill_on_drop: false }`
[INFO] [stdout] 335f07ac842c8626a04a297169edf014a6ef9549d1219888feb558a712d59392
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a198f059d9ff05a7dfc3b64c5981b244dd7c921d02fcb2a8dee109321060d10
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1a198f059d9ff05a7dfc3b64c5981b244dd7c921d02fcb2a8dee109321060d10", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.4
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.0
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling util v0.1.0 (/opt/rustwide/workdir/util)
[INFO] [stderr]    Compiling experimental_emergency_teleportation v0.1.0 (/opt/rustwide/workdir/experimental_emergency_teleportation)
[INFO] [stderr]    Compiling chronal_classification v0.1.0 (/opt/rustwide/workdir/chronal_classification)
[INFO] [stderr]    Compiling beverage_bandits v0.1.0 (/opt/rustwide/workdir/beverage_bandits)
[INFO] [stderr]    Compiling settlers_of_the_north_pole v0.1.0 (/opt/rustwide/workdir/settlers_of_the_north_pole)
[INFO] [stderr]    Compiling immune_system_simulator_20xx v0.1.0 (/opt/rustwide/workdir/immune_system_simulator_20xx)
[INFO] [stderr]    Compiling sum_of_its_parts v0.1.0 (/opt/rustwide/workdir/sum_of_its_parts)
[INFO] [stderr]    Compiling memory_maneuver v0.1.0 (/opt/rustwide/workdir/memory_maneuver)
[INFO] [stderr]    Compiling chronal_conversion v0.1.0 (/opt/rustwide/workdir/chronal_conversion)
[INFO] [stderr]    Compiling reservoir_research v0.1.0 (/opt/rustwide/workdir/reservoir_research)
[INFO] [stderr]    Compiling subterranean_sustainability v0.1.0 (/opt/rustwide/workdir/subterranean_sustainability)
[INFO] [stderr]    Compiling chocolate_charts v0.1.0 (/opt/rustwide/workdir/chocolate_charts)
[INFO] [stderr]    Compiling stars_align v0.1.0 (/opt/rustwide/workdir/stars_align)
[INFO] [stderr]    Compiling chronal_calibration v0.1.0 (/opt/rustwide/workdir/chronal_calibration)
[INFO] [stderr]    Compiling a_regular_map v0.1.0 (/opt/rustwide/workdir/a_regular_map)
[INFO] [stderr]    Compiling marble_mania v0.1.0 (/opt/rustwide/workdir/marble_mania)
[INFO] [stderr] error: could not compile `immune_system_simulator_20xx`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name immune_system_simulator_20xx --edition=2018 immune_system_simulator_20xx/src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=f7edbc0bd635ad90 -C extra-filename=-f7edbc0bd635ad90 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern regex=/opt/rustwide/target/debug/deps/libregex-8f3848693cc023df.rlib --extern util=/opt/rustwide/target/debug/deps/libutil-8ba977e526786053.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.15.23/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit-mut"' -C metadata=e1937e137ff73174 -C extra-filename=-e1937e137ff73174 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-79d9993c21502006.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-5e1244994aa5fd4f.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-17df5e5ca0bb5bda.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "1a198f059d9ff05a7dfc3b64c5981b244dd7c921d02fcb2a8dee109321060d10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a198f059d9ff05a7dfc3b64c5981b244dd7c921d02fcb2a8dee109321060d10", kill_on_drop: false }`
[INFO] [stdout] 1a198f059d9ff05a7dfc3b64c5981b244dd7c921d02fcb2a8dee109321060d10