[INFO] crate grin-miner 0.4.2 is already in cache
[INFO] checking grin-miner-0.4.2 against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331
[INFO] extracting crate grin-miner 0.4.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate grin-miner 0.4.2 on toolchain 914adf04af1c1a984707f778da3d04590c03d144
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate grin-miner 0.4.2
[INFO] finished tweaking crates.io crate grin-miner 0.4.2
[INFO] tweaked toml for crates.io crate grin-miner 0.4.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+914adf04af1c1a984707f778da3d04590c03d144" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ec6dde7880559a6c6de2c3b07318053d8c92b21ed214939574733d850b2be8ca
[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" "ec6dde7880559a6c6de2c3b07318053d8c92b21ed214939574733d850b2be8ca"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking reexport-proc-macro v1.0.6
[INFO] [stderr]     Checking array-macro v1.0.5
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]     Checking xi-unicode v0.1.0
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.56
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling libgit2-sys v0.6.19
[INFO] [stderr]    Compiling cuckoo_miner v0.4.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]    Compiling enum-map-derive v0.4.3
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking grin_miner_plugin v0.4.2
[INFO] [stderr]     Checking signal-hook v0.1.15
[INFO] [stderr]     Checking grin_miner_util v0.4.2
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking enum-map v0.4.1
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[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-0.15.44/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' -C metadata=903abe93728573d4 -C extra-filename=-903abe93728573d4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-3e3e7ebbc02c3888.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-eb6ee016ef71d354.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-58dcdd226b70e35e.rmeta --cap-lints allow --cap-lints=forbid --cfg syn_can_match_trailing_dollar --cfg syn_can_use_thread_id --cfg syn_can_use_associated_constants --cfg syn_can_call_macro_by_path` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `openssl`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name openssl /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/openssl-0.10.29/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -Cembed-bitcode=no -C debuginfo=2 -C metadata=ddb556ef5110c250 -C extra-filename=-ddb556ef5110c250 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-ca5994f285fc9f46.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-625c0ca16d94a650.rmeta --extern foreign_types=/opt/rustwide/target/debug/deps/libforeign_types-9b04efea5984eb99.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-c7301fb958dd2f38.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-da1477356b6a7c53.rmeta --extern openssl_sys=/opt/rustwide/target/debug/deps/libopenssl_sys-5b5234b8b174134f.rmeta --cap-lints allow --cap-lints=forbid --cfg 'osslconf="OPENSSL_NO_SSL3_METHOD"' --cfg ossl101 --cfg ossl102 --cfg ossl110 --cfg ossl110g --cfg ossl111` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `url`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name url /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.7.2/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 -C metadata=09242c036ef651b3 -C extra-filename=-09242c036ef651b3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern idna=/opt/rustwide/target/debug/deps/libidna-b95cb4a787dbf3b9.rmeta --extern matches=/opt/rustwide/target/debug/deps/libmatches-59d2944ebd6a7c32.rmeta --extern percent_encoding=/opt/rustwide/target/debug/deps/libpercent_encoding-b9bd755c43a51cb0.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" "ec6dde7880559a6c6de2c3b07318053d8c92b21ed214939574733d850b2be8ca"`
[INFO] running `"docker" "rm" "-f" "ec6dde7880559a6c6de2c3b07318053d8c92b21ed214939574733d850b2be8ca"`
[INFO] [stdout] ec6dde7880559a6c6de2c3b07318053d8c92b21ed214939574733d850b2be8ca