[INFO] crate frame-benchmarking-cli 2.0.0-alpha.3 is already in cache
[INFO] checking frame-benchmarking-cli-2.0.0-alpha.3 against try#89c05fd3cc6404a13e1bd71450c6132a2755fa4b for pr-69741
[INFO] extracting crate frame-benchmarking-cli 2.0.0-alpha.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate frame-benchmarking-cli 2.0.0-alpha.3 on toolchain 89c05fd3cc6404a13e1bd71450c6132a2755fa4b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+89c05fd3cc6404a13e1bd71450c6132a2755fa4b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate frame-benchmarking-cli 2.0.0-alpha.3
[INFO] finished tweaking crates.io crate frame-benchmarking-cli 2.0.0-alpha.3
[INFO] tweaked toml for crates.io crate frame-benchmarking-cli 2.0.0-alpha.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+89c05fd3cc6404a13e1bd71450c6132a2755fa4b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+89c05fd3cc6404a13e1bd71450c6132a2755fa4b" "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" "+89c05fd3cc6404a13e1bd71450c6132a2755fa4b" "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] 2af06b49b1c59a786a01a8ae9c7e514a341cbf0fda024bfdeabdbeb70f8f6272
[INFO] running `"docker" "start" "-a" "2af06b49b1c59a786a01a8ae9c7e514a341cbf0fda024bfdeabdbeb70f8f6272"`
[INFO] [stderr]    Compiling log v0.4.8
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[INFO] [stderr]    Compiling prost-derive v0.6.1
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[INFO] [stderr]    Compiling thiserror-impl v1.0.11
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[INFO] [stderr]    Compiling const-random-macro v0.1.8
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[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling parity-util-mem-derive v0.1.0
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[INFO] [stderr]    Compiling structopt-derive v0.4.4
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[INFO] [stderr]     Checking ws v0.9.1
[INFO] [stderr] error: could not compile `impl-trait-for-tuples`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name impl_trait_for_tuples --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/impl-trait-for-tuples-0.1.3/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=9ae504a297e6c21e -C extra-filename=-9ae504a297e6c21e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-a1c5d77965fae297.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-181e9436fca5e920.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-f9826bcaab79855a.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 `wasm-bindgen-backend`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name wasm_bindgen_backend --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/wasm-bindgen-backend-0.2.59/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --cfg 'feature="spans"' -C metadata=012805fa9a557c18 -C extra-filename=-012805fa9a557c18 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bumpalo=/opt/rustwide/target/debug/deps/libbumpalo-d47c73a5ced4b907.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-09e68491d252b141.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-5b388468f79512f2.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-a1c5d77965fae297.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-181e9436fca5e920.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-f9826bcaab79855a.rmeta --extern wasm_bindgen_shared=/opt/rustwide/target/debug/deps/libwasm_bindgen_shared-cb55c74d8a4438aa.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 `serde`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.104/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="serde_derive"' --cfg 'feature="std"' -C metadata=72b0e33f1850d3c6 -C extra-filename=-72b0e33f1850d3c6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-329848464e3fce0e.so --cap-lints allow --cap-lints=forbid --cfg ops_bound --cfg core_reverse --cfg de_boxed_c_str --cfg de_boxed_path --cfg de_rc_dst --cfg core_duration --cfg integer128 --cfg range_inclusive --cfg num_nonzero --cfg core_try_from --cfg num_nonzero_signed --cfg std_atomic64 --cfg std_atomic` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "2af06b49b1c59a786a01a8ae9c7e514a341cbf0fda024bfdeabdbeb70f8f6272"`
[INFO] running `"docker" "rm" "-f" "2af06b49b1c59a786a01a8ae9c7e514a341cbf0fda024bfdeabdbeb70f8f6272"`
[INFO] [stdout] 2af06b49b1c59a786a01a8ae9c7e514a341cbf0fda024bfdeabdbeb70f8f6272