[INFO] updating cached repository https://github.com/Allan690/Books-API
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6bc90482ae0e7fb11745790990a7ecf4bc172a64
[INFO] checking Allan690/Books-API against master#d939f708d960161d23b964309ba68ff207fc0ead for pr-70087
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAllan690%2FBooks-API" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Allan690/Books-API on toolchain d939f708d960161d23b964309ba68ff207fc0ead
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Allan690/Books-API
[INFO] finished tweaking git repo https://github.com/Allan690/Books-API
[INFO] tweaked toml for git repo https://github.com/Allan690/Books-API written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Allan690/Books-API already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: Patch `rocket v0.4.0-dev (https://github.com/SergioBenitez/Rocket.git?rev=ad0ba0d#ad0ba0d5)` was not used in the crate graph.
[INFO] [stderr] Patch `rocket_contrib v0.4.0-dev (https://github.com/SergioBenitez/Rocket.git?rev=ad0ba0d#ad0ba0d5)` was not used in the crate graph.
[INFO] [stderr] Check that the patched package version and available features are compatible
[INFO] [stderr] with the dependency requirements. If the patch has a different version from
[INFO] [stderr] what is locked in the Cargo.lock file, run `cargo update` to use the new
[INFO] [stderr] version. This may also occur with an optional dependency that is not enabled.
[INFO] running `"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" "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" "+d939f708d960161d23b964309ba68ff207fc0ead" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] db0cb944882717bccfe78af2683453dc207674583e055f8a1f6188c343b2bcda
[INFO] running `"docker" "start" "-a" "db0cb944882717bccfe78af2683453dc207674583e055f8a1f6188c343b2bcda"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: Patch `rocket v0.4.0-dev (https://github.com/SergioBenitez/Rocket.git?rev=ad0ba0d#ad0ba0d5)` was not used in the crate graph.
[INFO] [stderr] Patch `rocket_contrib v0.4.0-dev (https://github.com/SergioBenitez/Rocket.git?rev=ad0ba0d#ad0ba0d5)` was not used in the crate graph.
[INFO] [stderr] Check that the patched package version and available features are compatible
[INFO] [stderr] with the dependency requirements. If the patch has a different version from
[INFO] [stderr] what is locked in the Cargo.lock file, run `cargo update` to use the new
[INFO] [stderr] version. This may also occur with an optional dependency that is not enabled.
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling safemem v0.3.2
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling indexmap v1.2.0
[INFO] [stderr]    Compiling pear_codegen v0.1.2
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling rocket_codegen v0.4.2
[INFO] [stderr]    Compiling rocket v0.4.2
[INFO] [stderr]    Compiling rocket_codegen v0.5.0-dev (https://github.com/SergioBenitez/Rocket.git#b95b6765)
[INFO] [stderr]    Compiling proc-macro2 v1.0.3
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.2
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]     Checking r2d2 v0.8.5
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking cookie v0.11.1
[INFO] [stderr]    Compiling devise_core v0.3.0 (https://github.com/SergioBenitez/Devise.git?rev=e58b3ac9a#e58b3ac9)
[INFO] [stderr]    Compiling devise_core v0.2.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr] error: could not compile `syn`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.5/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -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"' -C metadata=96932ebe9fd507e0 -C extra-filename=-96932ebe9fd507e0 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-56771b7a4dfd6670.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-b9f44660c19ac48f.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-e0112ff07b682e88.rmeta --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 `"docker" "inspect" "db0cb944882717bccfe78af2683453dc207674583e055f8a1f6188c343b2bcda"`
[INFO] running `"docker" "rm" "-f" "db0cb944882717bccfe78af2683453dc207674583e055f8a1f6188c343b2bcda"`
[INFO] [stdout] db0cb944882717bccfe78af2683453dc207674583e055f8a1f6188c343b2bcda