[INFO] updating cached repository https://github.com/imsnif/what
[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] 5bd64ddac0fb4b98e71212c4acace065e7fe9daf
[INFO] checking imsnif/what against master#212aa3ea28d91a97d1e1261709c0b6e6790788e6 for pr-69340
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimsnif%2Fwhat" "/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/imsnif/what on toolchain 212aa3ea28d91a97d1e1261709c0b6e6790788e6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/imsnif/what
[INFO] finished tweaking git repo https://github.com/imsnif/what
[INFO] tweaked toml for git repo https://github.com/imsnif/what written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/imsnif/what already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "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" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "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] ae430ca079054e80006cac34718395b232a52b9fb840f1bb642a272efd9c9f99
[INFO] running `"docker" "start" "-a" "ae430ca079054e80006cac34718395b232a52b9fb840f1bb642a272efd9c9f99"`
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]     Checking pnet_base v0.23.0
[INFO] [stderr]     Checking bytes v0.5.0
[INFO] [stderr]    Compiling pnet_bandwhich_fork v0.23.1
[INFO] [stderr]     Checking pnet_base_bandwhich_fork v0.23.0
[INFO] [stderr]    Compiling pnet v0.23.0
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking pnet_sys v0.23.0
[INFO] [stderr]     Checking pnet_sys_bandwhich_fork v0.23.0
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking tui v0.5.1
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking console v0.9.1
[INFO] [stderr]     Checking pnet_macros_support v0.23.0
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking tokio v0.2.2
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking procfs v0.7.4
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling async-trait v0.1.21
[INFO] [stderr]    Compiling enum-as-inner v0.3.0
[INFO] [stderr]    Compiling structopt-derive v0.3.4
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr] error: could not compile `syntex_syntax`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syntex_syntax /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.42.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 -C metadata=fcccd469de61cf55 -C extra-filename=-fcccd469de61cf55 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-289b8867cc096023.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-d3f74ac7261ab197.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-21d68779ed6ae0ae.rmeta --extern rustc_serialize=/opt/rustwide/target/debug/deps/librustc_serialize-c1d5f5b9a5c97f5d.rmeta --extern syntex_errors=/opt/rustwide/target/debug/deps/libsyntex_errors-1a2c5690c67f5ea9.rmeta --extern syntex_pos=/opt/rustwide/target/debug/deps/libsyntex_pos-e2f356037b7c5d6a.rmeta --extern term=/opt/rustwide/target/debug/deps/libterm-694928c86728708a.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-28417d20aed93299.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: could not compile `async-trait`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name async_trait --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-trait-0.1.21/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C debuginfo=2 -C metadata=fd217bb57dffd1b6 -C extra-filename=-fd217bb57dffd1b6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-49d38405a096a456.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-1a9f07157bd01244.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-c1087769423ad4c7.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `structopt-derive`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name structopt_derive --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/structopt-derive-0.3.4/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C debuginfo=2 -C metadata=1d3378562fec614e -C extra-filename=-1d3378562fec614e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern heck=/opt/rustwide/target/debug/deps/libheck-f9ac01913c40722c.rlib --extern proc_macro_error=/opt/rustwide/target/debug/deps/libproc_macro_error-0edea3c24e034c01.rlib --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-49d38405a096a456.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-1a9f07157bd01244.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-c1087769423ad4c7.rlib --extern proc_macro --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" "ae430ca079054e80006cac34718395b232a52b9fb840f1bb642a272efd9c9f99"`
[INFO] running `"docker" "rm" "-f" "ae430ca079054e80006cac34718395b232a52b9fb840f1bb642a272efd9c9f99"`
[INFO] [stdout] ae430ca079054e80006cac34718395b232a52b9fb840f1bb642a272efd9c9f99