[INFO] fetching crate sudograph 0.3.0-beta.20...
[INFO] checking sudograph-0.3.0-beta.20 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate sudograph 0.3.0-beta.20 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate sudograph 0.3.0-beta.20 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sudograph 0.3.0-beta.20
[INFO] finished tweaking crates.io crate sudograph 0.3.0-beta.20
[INFO] tweaked toml for crates.io crate sudograph 0.3.0-beta.20 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27b76fe5da311b060f7cd60fcb76c45507210421669dcb0aec305523f7de9dde
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "27b76fe5da311b060f7cd60fcb76c45507210421669dcb0aec305523f7de9dde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27b76fe5da311b060f7cd60fcb76c45507210421669dcb0aec305523f7de9dde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27b76fe5da311b060f7cd60fcb76c45507210421669dcb0aec305523f7de9dde", kill_on_drop: false }`
[INFO] [stdout] 27b76fe5da311b060f7cd60fcb76c45507210421669dcb0aec305523f7de9dde
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e647ab54c74c7b89079fdf9bba8db218b9d9a65b4a9757fac785abe716a1affc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e647ab54c74c7b89079fdf9bba8db218b9d9a65b4a9757fac785abe716a1affc", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling siphasher v0.3.5
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling beef v0.5.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling cpufeatures v0.1.5
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling base32 v0.4.0
[INFO] [stderr]    Compiling leb128 v0.2.4
[INFO] [stderr]     Checking unchecked-index v0.2.2
[INFO] [stderr]    Compiling ascii v0.9.3
[INFO] [stderr]     Checking spin v0.9.1
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling multer v2.0.0
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]     Checking codespan-reporting v0.9.5
[INFO] [stderr]     Checking pretty v0.10.0
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking encoding_rs v0.8.28
[INFO] [stderr]    Compiling string_cache v0.8.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking twoway v0.2.2
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]     Checking lalrpop-util v0.19.6
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling lalrpop v0.19.6
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling darling_core v0.12.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling logos-derive v0.12.0
[INFO] [stderr]    Compiling candid_derive v0.4.4
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling derive_more v0.99.14
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling darling_macro v0.12.4
[INFO] [stderr] error: could not compile `lalrpop`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name lalrpop /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lalrpop-0.19.6/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="lexer"' --cfg 'feature="pico-args"' -C metadata=0d6cd5b9d8e073b6 -C extra-filename=-0d6cd5b9d8e073b6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ascii_canvas=/opt/rustwide/target/debug/deps/libascii_canvas-b2292a5247334017.rmeta --extern atty=/opt/rustwide/target/debug/deps/libatty-d387790ef22bcda0.rmeta --extern bit_set=/opt/rustwide/target/debug/deps/libbit_set-98cd35579be22a13.rmeta --extern diff=/opt/rustwide/target/debug/deps/libdiff-ce3bacfc1f6ef780.rmeta --extern ena=/opt/rustwide/target/debug/deps/libena-c0e6bf26969b620a.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-1fafc6208f3665f4.rmeta --extern lalrpop_util=/opt/rustwide/target/debug/deps/liblalrpop_util-81ede1ca07480974.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-18b04220d832d6ba.rmeta --extern pico_args=/opt/rustwide/target/debug/deps/libpico_args-e10b34f8ddfef8b7.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-ad04562af618083d.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-cfec10257cbd629b.rmeta --extern string_cache=/opt/rustwide/target/debug/deps/libstring_cache-b15fa283e33019c4.rmeta --extern term=/opt/rustwide/target/debug/deps/libterm-d077369dfac6e730.rmeta --extern tiny_keccak=/opt/rustwide/target/debug/deps/libtiny_keccak-4b6d404ab84b67a5.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-38987aa89d2b0d41.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 `Command { std: "docker" "inspect" "e647ab54c74c7b89079fdf9bba8db218b9d9a65b4a9757fac785abe716a1affc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e647ab54c74c7b89079fdf9bba8db218b9d9a65b4a9757fac785abe716a1affc", kill_on_drop: false }`
[INFO] [stdout] e647ab54c74c7b89079fdf9bba8db218b9d9a65b4a9757fac785abe716a1affc