[INFO] fetching crate skate 0.0.0...
[INFO] testing skate-0.0.0 against try#c3758fdc4730d7700b25a13cccff296a08f42c00 for pr-91743
[INFO] extracting crate skate 0.0.0 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate skate 0.0.0 on toolchain c3758fdc4730d7700b25a13cccff296a08f42c00
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate skate 0.0.0
[INFO] finished tweaking crates.io crate skate 0.0.0
[INFO] tweaked toml for crates.io crate skate 0.0.0 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate crates.io crate skate 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8faf300d1b9e9a2cbd047711332edb0ff3e1e820dab0af2c33f1b0d5912fb6c1
[INFO] running `Command { std: "docker" "start" "-a" "8faf300d1b9e9a2cbd047711332edb0ff3e1e820dab0af2c33f1b0d5912fb6c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8faf300d1b9e9a2cbd047711332edb0ff3e1e820dab0af2c33f1b0d5912fb6c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8faf300d1b9e9a2cbd047711332edb0ff3e1e820dab0af2c33f1b0d5912fb6c1", kill_on_drop: false }`
[INFO] [stdout] 8faf300d1b9e9a2cbd047711332edb0ff3e1e820dab0af2c33f1b0d5912fb6c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a00f4f7930e31500596ac96bc55fa95d0dac2143891f9d62158de89cefd67a48
[INFO] running `Command { std: "docker" "start" "-a" "a00f4f7930e31500596ac96bc55fa95d0dac2143891f9d62158de89cefd67a48", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling siphasher v0.3.5
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling pico-args v0.4.0
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling fs-err v2.5.0
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling string_cache v0.8.1
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling lalrpop-util v0.19.5
[INFO] [stderr]    Compiling lalrpop v0.19.5
[INFO] [stderr] error: could not compile `serde_json`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_json --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_json-1.0.64/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no -C debuginfo=2 -C debug-assertions=on --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=b4cb5b8ae1293919 -C extra-filename=-b4cb5b8ae1293919 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern itoa=/opt/rustwide/target/debug/deps/libitoa-5662f280bcd1b32e.rmeta --extern ryu=/opt/rustwide/target/debug/deps/libryu-7160fe9b08fd5f53.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-b0e144d2f370b138.rmeta --cap-lints allow --cap-lints=forbid --cfg limb_width_64` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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-0.19.5/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no -C debuginfo=2 -C debug-assertions=on --cfg 'feature="default"' --cfg 'feature="lexer"' --cfg 'feature="pico-args"' -C metadata=891d522b76083880 -C extra-filename=-891d522b76083880 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ascii_canvas=/opt/rustwide/target/debug/deps/libascii_canvas-7ee6a33531c3c63f.rmeta --extern atty=/opt/rustwide/target/debug/deps/libatty-f417a2a50e462a41.rmeta --extern bit_set=/opt/rustwide/target/debug/deps/libbit_set-fdc25291ee3bb945.rmeta --extern diff=/opt/rustwide/target/debug/deps/libdiff-61853b8a5e1f1355.rmeta --extern ena=/opt/rustwide/target/debug/deps/libena-758ab73f5f1fc4c2.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-21c848fdb59beb46.rmeta --extern lalrpop_util=/opt/rustwide/target/debug/deps/liblalrpop_util-55f26b2abc01af8c.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-1b0c560fccf14ae2.rmeta --extern pico_args=/opt/rustwide/target/debug/deps/libpico_args-72e701dfe98db77c.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-f1f1417a615ba39d.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-0a92860768cb84cb.rmeta --extern string_cache=/opt/rustwide/target/debug/deps/libstring_cache-4bf211ff3806ae7c.rmeta --extern term=/opt/rustwide/target/debug/deps/libterm-a061c99d9f703689.rmeta --extern tiny_keccak=/opt/rustwide/target/debug/deps/libtiny_keccak-790f66fb639f9130.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-8248f5ac34580b25.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "a00f4f7930e31500596ac96bc55fa95d0dac2143891f9d62158de89cefd67a48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a00f4f7930e31500596ac96bc55fa95d0dac2143891f9d62158de89cefd67a48", kill_on_drop: false }`
[INFO] [stdout] a00f4f7930e31500596ac96bc55fa95d0dac2143891f9d62158de89cefd67a48