[INFO] cloning repository https://github.com/loiclec/fuzzcheck-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/loiclec/fuzzcheck-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floiclec%2Ffuzzcheck-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floiclec%2Ffuzzcheck-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 96630d9f5b8cb4abd30340b6169f85232a12dabb
[INFO] testing loiclec/fuzzcheck-rs against master#0d13f6afeba4935499abe0c9a07426c94492c94e for pr-96025
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floiclec%2Ffuzzcheck-rs" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/loiclec/fuzzcheck-rs on toolchain 0d13f6afeba4935499abe0c9a07426c94492c94e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-12/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/loiclec/fuzzcheck-rs
[INFO] finished tweaking git repo https://github.com/loiclec/fuzzcheck-rs
[INFO] tweaked toml for git repo https://github.com/loiclec/fuzzcheck-rs written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded overload v0.1.1
[INFO] [stderr]   Downloaded nu-ansi-term v0.39.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d87d25cb4aa30a91885a0fcdbb53427159b60557b303ff72d36d6090ff372d5c
[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" "d87d25cb4aa30a91885a0fcdbb53427159b60557b303ff72d36d6090ff372d5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d87d25cb4aa30a91885a0fcdbb53427159b60557b303ff72d36d6090ff372d5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d87d25cb4aa30a91885a0fcdbb53427159b60557b303ff72d36d6090ff372d5c", kill_on_drop: false }`
[INFO] [stdout] d87d25cb4aa30a91885a0fcdbb53427159b60557b303ff72d36d6090ff372d5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] df7928568ebbbd2b499fff9ef2062f46b2923dd18532b6bb9f082de8768d70bf
[INFO] running `Command { std: "docker" "start" "-a" "df7928568ebbbd2b499fff9ef2062f46b2923dd18532b6bb9f082de8768d70bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling cargo-fuzzcheck v0.12.0 (/opt/rustwide/workdir/cargo-fuzzcheck)
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling nu-ansi-term v0.39.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling fuzzcheck_common v0.12.0 (/opt/rustwide/workdir/fuzzcheck_common)
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling libz-sys v1.1.5
[INFO] [stderr]    Compiling fuzzcheck v0.12.0 (/opt/rustwide/workdir/fuzzcheck)
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling flate2 v1.0.23
[INFO] [stderr]    Compiling fuzzcheck_mutators_derive v0.12.0 (/opt/rustwide/workdir/fuzzcheck_mutators_derive)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `Command { std: "docker" "inspect" "df7928568ebbbd2b499fff9ef2062f46b2923dd18532b6bb9f082de8768d70bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df7928568ebbbd2b499fff9ef2062f46b2923dd18532b6bb9f082de8768d70bf", kill_on_drop: false }`
[INFO] [stdout] df7928568ebbbd2b499fff9ef2062f46b2923dd18532b6bb9f082de8768d70bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6be4f8e619df327db62e9e43847973402027753b3b0bb13a2138441d4734fd96
[INFO] running `Command { std: "docker" "start" "-a" "6be4f8e619df327db62e9e43847973402027753b3b0bb13a2138441d4734fd96", kill_on_drop: false }`
[INFO] [stderr]    Compiling fuzzcheck_common v0.12.0 (/opt/rustwide/workdir/fuzzcheck_common)
[INFO] [stderr]    Compiling cargo-fuzzcheck v0.12.0 (/opt/rustwide/workdir/cargo-fuzzcheck)
[INFO] [stderr]    Compiling fuzzcheck_mutators_derive v0.12.0 (/opt/rustwide/workdir/fuzzcheck_mutators_derive)
[INFO] [stderr]    Compiling fuzzcheck v0.12.0 (/opt/rustwide/workdir/fuzzcheck)
[INFO] [stderr] error: could not compile `fuzzcheck`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name derived_mutually_recursive_structs --edition=2021 fuzzcheck/tests/derived_mutually_recursive_structs.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="default"' --cfg 'feature="grammar_mutator"' --cfg 'feature="regex-syntax"' --cfg 'feature="regex_grammar"' --cfg 'feature="serde"' --cfg 'feature="serde_json"' --cfg 'feature="serde_json_serializer"' -C metadata=a75037f564079564 -C extra-filename=-a75037f564079564 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ahash=/opt/rustwide/target/debug/deps/libahash-a2f07e35624a1782.rlib --extern bit_vec=/opt/rustwide/target/debug/deps/libbit_vec-2de9f0313b7edce6.rlib --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-90e3626e3c41eec3.rlib --extern fastrand=/opt/rustwide/target/debug/deps/libfastrand-2765520c777de4dc.rlib --extern flate2=/opt/rustwide/target/debug/deps/libflate2-a537821c403d6dca.rlib --extern fuzzcheck=/opt/rustwide/target/debug/deps/libfuzzcheck-ebb0b3ecf91134a2.rlib --extern fuzzcheck_common=/opt/rustwide/target/debug/deps/libfuzzcheck_common-a870992c5507ffa4.rlib --extern fuzzcheck_mutators_derive=/opt/rustwide/target/debug/deps/libfuzzcheck_mutators_derive-62e674df8ab7d3a0.so --extern getopts=/opt/rustwide/target/debug/deps/libgetopts-25327fafcfd1148d.rlib --extern libc=/opt/rustwide/target/debug/deps/liblibc-d9254cafaae334ec.rlib --extern md5=/opt/rustwide/target/debug/deps/libmd5-7686c4c65dd50a84.rlib --extern nu_ansi_term=/opt/rustwide/target/debug/deps/libnu_ansi_term-f39a7230d2682297.rlib --extern object=/opt/rustwide/target/debug/deps/libobject-03556807b66a355c.rlib --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-c25dc19d7487cdf7.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-4027e6fc83fb6133.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-53f2d3198481e131.rlib --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/fuzzcheck-b5c50181668202d4/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `fuzzcheck`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name derived_recursive_struct --edition=2021 fuzzcheck/tests/derived_recursive_struct.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="default"' --cfg 'feature="grammar_mutator"' --cfg 'feature="regex-syntax"' --cfg 'feature="regex_grammar"' --cfg 'feature="serde"' --cfg 'feature="serde_json"' --cfg 'feature="serde_json_serializer"' -C metadata=42f604204970baf0 -C extra-filename=-42f604204970baf0 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ahash=/opt/rustwide/target/debug/deps/libahash-a2f07e35624a1782.rlib --extern bit_vec=/opt/rustwide/target/debug/deps/libbit_vec-2de9f0313b7edce6.rlib --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-90e3626e3c41eec3.rlib --extern fastrand=/opt/rustwide/target/debug/deps/libfastrand-2765520c777de4dc.rlib --extern flate2=/opt/rustwide/target/debug/deps/libflate2-a537821c403d6dca.rlib --extern fuzzcheck=/opt/rustwide/target/debug/deps/libfuzzcheck-ebb0b3ecf91134a2.rlib --extern fuzzcheck_common=/opt/rustwide/target/debug/deps/libfuzzcheck_common-a870992c5507ffa4.rlib --extern fuzzcheck_mutators_derive=/opt/rustwide/target/debug/deps/libfuzzcheck_mutators_derive-62e674df8ab7d3a0.so --extern getopts=/opt/rustwide/target/debug/deps/libgetopts-25327fafcfd1148d.rlib --extern libc=/opt/rustwide/target/debug/deps/liblibc-d9254cafaae334ec.rlib --extern md5=/opt/rustwide/target/debug/deps/libmd5-7686c4c65dd50a84.rlib --extern nu_ansi_term=/opt/rustwide/target/debug/deps/libnu_ansi_term-f39a7230d2682297.rlib --extern object=/opt/rustwide/target/debug/deps/libobject-03556807b66a355c.rlib --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-c25dc19d7487cdf7.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-4027e6fc83fb6133.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-53f2d3198481e131.rlib --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/fuzzcheck-b5c50181668202d4/out` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "6be4f8e619df327db62e9e43847973402027753b3b0bb13a2138441d4734fd96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6be4f8e619df327db62e9e43847973402027753b3b0bb13a2138441d4734fd96", kill_on_drop: false }`
[INFO] [stdout] 6be4f8e619df327db62e9e43847973402027753b3b0bb13a2138441d4734fd96