[INFO] cloning repository https://github.com/TheViolence/prune-one
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheViolence/prune-one" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheViolence%2Fprune-one"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheViolence%2Fprune-one'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2127e2034bdaa3be88387fac01d4ec30d7c4242e
[INFO] checking TheViolence/prune-one against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheViolence%2Fprune-one" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheViolence/prune-one on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/TheViolence/prune-one
[INFO] finished tweaking git repo https://github.com/TheViolence/prune-one
[INFO] tweaked toml for git repo https://github.com/TheViolence/prune-one written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/TheViolence/prune-one already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8820af42359ddd89ff852cf532020a88643fa6fa958ad79ebfad20efcaa7abd6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "8820af42359ddd89ff852cf532020a88643fa6fa958ad79ebfad20efcaa7abd6"`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking ring v0.13.5
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking filetime v0.2.8
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]    Compiling serde_derive_internals v0.24.1
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking inotify v0.7.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking cookie v0.11.2
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]     Checking rocket_http v0.4.4
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling rocket_codegen v0.4.4
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling failure v0.1.7
[INFO] [stderr]    Compiling typescript-definitions-derive v0.1.10
[INFO] [stderr]    Compiling diesel v1.4.4
[INFO] [stderr]     Checking serde v1.0.105
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr] error: could not compile `diesel`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name diesel /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/diesel-1.4.4/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --cfg 'feature="32-column-tables"' --cfg 'feature="bitflags"' --cfg 'feature="default"' --cfg 'feature="postgres"' --cfg 'feature="pq-sys"' --cfg 'feature="with-deprecated"' -C metadata=37626453d3c55a85 -C extra-filename=-37626453d3c55a85 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-8751362a7dc7b720.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-a7646971cb4f5e04.rmeta --extern diesel_derives=/opt/rustwide/target/debug/deps/libdiesel_derives-93084e83ff76f70a.so --extern pq_sys=/opt/rustwide/target/debug/deps/libpq_sys-b356eceb09fd2a89.rmeta --cap-lints allow --cap-lints=forbid -L native=/usr/lib/x86_64-linux-gnu` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "8820af42359ddd89ff852cf532020a88643fa6fa958ad79ebfad20efcaa7abd6"`
[INFO] running `"docker" "rm" "-f" "8820af42359ddd89ff852cf532020a88643fa6fa958ad79ebfad20efcaa7abd6"`
[INFO] [stdout] 8820af42359ddd89ff852cf532020a88643fa6fa958ad79ebfad20efcaa7abd6