[INFO] fetching crate bacup 0.1.7...
[INFO] building bacup-0.1.7 against try#8aaecdf5df68a6fbc126704e44d399ba2fe66bf2 for pr-94962
[INFO] extracting crate bacup 0.1.7 into /workspace/builds/worker-53/source
[INFO] validating manifest of crates.io crate bacup 0.1.7 on toolchain 8aaecdf5df68a6fbc126704e44d399ba2fe66bf2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8aaecdf5df68a6fbc126704e44d399ba2fe66bf2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bacup 0.1.7
[INFO] finished tweaking crates.io crate bacup 0.1.7
[INFO] tweaked toml for crates.io crate bacup 0.1.7 written to /workspace/builds/worker-53/source/Cargo.toml
[INFO] crate crates.io crate bacup 0.1.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8aaecdf5df68a6fbc126704e44d399ba2fe66bf2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+8aaecdf5df68a6fbc126704e44d399ba2fe66bf2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f26b0b259a45e36d91c10d9cef7716d77abfa88a83a2596024c0d138e4cde6cf
[INFO] running `Command { std: "docker" "start" "-a" "f26b0b259a45e36d91c10d9cef7716d77abfa88a83a2596024c0d138e4cde6cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f26b0b259a45e36d91c10d9cef7716d77abfa88a83a2596024c0d138e4cde6cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f26b0b259a45e36d91c10d9cef7716d77abfa88a83a2596024c0d138e4cde6cf", kill_on_drop: false }`
[INFO] [stdout] f26b0b259a45e36d91c10d9cef7716d77abfa88a83a2596024c0d138e4cde6cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+8aaecdf5df68a6fbc126704e44d399ba2fe66bf2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc08330769fb4878f56ebfbab3a2d30ed5bdd234ea3fe35deebfe42392aba8ad
[INFO] running `Command { std: "docker" "start" "-a" "bc08330769fb4878f56ebfbab3a2d30ed5bdd234ea3fe35deebfe42392aba8ad", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling futures-sink v0.3.19
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling futures-io v0.3.19
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling num_threads v0.1.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling crc32fast v1.3.1
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling semver v1.0.5
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling zeroize v1.5.2
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling tower-layer v0.3.1
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling xmlparser v0.13.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling urlencoding v1.3.3
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling dyn-clone v1.0.4
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling tracing-core v0.1.22
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling http v0.2.6
[INFO] [stderr]    Compiling bytes-utils v0.1.1
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.25/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=c25dc19d7487cdf7 -C extra-filename=-c25dc19d7487cdf7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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" "bc08330769fb4878f56ebfbab3a2d30ed5bdd234ea3fe35deebfe42392aba8ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc08330769fb4878f56ebfbab3a2d30ed5bdd234ea3fe35deebfe42392aba8ad", kill_on_drop: false }`
[INFO] [stdout] bc08330769fb4878f56ebfbab3a2d30ed5bdd234ea3fe35deebfe42392aba8ad