[INFO] crate snowchains 0.3.0 is already in cache
[INFO] checking snowchains-0.3.0 against try#f503dc8e6998ec30e0e3a3937c0fd18331a5dc9f for pr-69560
[INFO] extracting crate snowchains 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate snowchains 0.3.0 on toolchain f503dc8e6998ec30e0e3a3937c0fd18331a5dc9f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f503dc8e6998ec30e0e3a3937c0fd18331a5dc9f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate snowchains 0.3.0
[INFO] finished tweaking crates.io crate snowchains 0.3.0
[INFO] tweaked toml for crates.io crate snowchains 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate snowchains 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f503dc8e6998ec30e0e3a3937c0fd18331a5dc9f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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" "+f503dc8e6998ec30e0e3a3937c0fd18331a5dc9f" "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] 0fbd6b94abba65a38176d5f781f5b22925f542f0550cb43a7aa9bfbca6a82eee
[INFO] running `"docker" "start" "-a" "0fbd6b94abba65a38176d5f781f5b22925f542f0550cb43a7aa9bfbca6a82eee"`
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling procedural-masquerade v0.1.6
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking thin-slice v0.1.1
[INFO] [stderr]    Compiling if_chain v1.0.0
[INFO] [stderr]     Checking ego-tree v0.6.2
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking dunce v1.0.0
[INFO] [stderr]     Checking webbrowser v0.5.2
[INFO] [stderr]    Compiling ring v0.16.9
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]     Checking futures01 v0.1.29
[INFO] [stderr]     Checking dtoa-short v0.3.2
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking robots_txt v0.6.0
[INFO] [stderr]     Checking ctrlc v3.1.3
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking resolv-conf v0.6.2
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
[INFO] [stderr]     Checking tokio-reactor v0.1.11
[INFO] [stderr]     Checking tokio-threadpool v0.1.17
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]     Checking tungstenite v0.9.2
[INFO] [stderr]     Checking headers v0.3.1
[INFO] [stderr]    Compiling selectors v0.21.0
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking signal-hook v0.1.13
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]     Checking zip v0.5.4
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-process v0.2.4
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking multipart v0.16.1
[INFO] [stderr]     Checking webpki v0.21.0
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking ct-logs v0.6.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking webpki-roots v0.17.0
[INFO] [stderr]     Checking tokio-rustls v0.10.3
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling syn-mid v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling cssparser v0.25.9
[INFO] [stderr]    Compiling tokio-macros v0.2.4
[INFO] [stderr]    Compiling cssparser-macros v0.3.6
[INFO] [stderr]    Compiling html5ever v0.24.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling ref-cast-impl v1.0.0
[INFO] [stderr]    Compiling strum_macros v0.17.1
[INFO] [stderr]    Compiling derive_more v0.99.2
[INFO] [stderr]    Compiling snowchains_proc_macros v0.2.0
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]     Checking ref-cast v1.0.0
[INFO] [stderr]     Checking tokio v0.2.11
[INFO] [stderr] error: could not compile `html5ever`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/html5ever-0.24.1/build.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C debuginfo=2 -C metadata=afc65662e01ac38c -C extra-filename=-afc65662e01ac38c --out-dir /opt/rustwide/target/debug/build/html5ever-afc65662e01ac38c -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-9a0445043f22d7e6.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-332302b9ebc4e915.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-5774448e6c3a7490.rlib --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 `cssparser`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.25.9/build.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C debuginfo=2 -C metadata=cdb9ac683b9571eb -C extra-filename=-cdb9ac683b9571eb --out-dir /opt/rustwide/target/debug/build/cssparser-cdb9ac683b9571eb -L dependency=/opt/rustwide/target/debug/deps --extern autocfg=/opt/rustwide/target/debug/deps/libautocfg-556d4152842d01e1.rlib --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-9a0445043f22d7e6.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-332302b9ebc4e915.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-5774448e6c3a7490.rlib --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 `pin-project-internal`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name pin_project_internal --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pin-project-internal-0.4.8/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=abdb49d190e3e151 -C extra-filename=-abdb49d190e3e151 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-9a0445043f22d7e6.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-332302b9ebc4e915.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-5774448e6c3a7490.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" "0fbd6b94abba65a38176d5f781f5b22925f542f0550cb43a7aa9bfbca6a82eee"`
[INFO] running `"docker" "rm" "-f" "0fbd6b94abba65a38176d5f781f5b22925f542f0550cb43a7aa9bfbca6a82eee"`
[INFO] [stdout] 0fbd6b94abba65a38176d5f781f5b22925f542f0550cb43a7aa9bfbca6a82eee