[INFO] fetching crate oso 0.26.0...
[INFO] checking oso-0.26.0 against master#2ad4eb207b369017f5140918b5e4b0d3650b46b0 for pr-95611
[INFO] extracting crate oso 0.26.0 into /workspace/builds/worker-66/source
[INFO] validating manifest of crates.io crate oso 0.26.0 on toolchain 2ad4eb207b369017f5140918b5e4b0d3650b46b0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad4eb207b369017f5140918b5e4b0d3650b46b0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate oso 0.26.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate oso 0.26.0
[INFO] tweaked toml for crates.io crate oso 0.26.0 written to /workspace/builds/worker-66/source/Cargo.toml
[INFO] crate crates.io crate oso 0.26.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad4eb207b369017f5140918b5e4b0d3650b46b0" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded oso-derive v0.26.0
[INFO] [stderr]   Downloaded polar-core v0.26.0
[INFO] [stderr]   Downloaded rustyline-derive v0.5.0
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+2ad4eb207b369017f5140918b5e4b0d3650b46b0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b1293862079bfc170b184c2874a65778b46c61acfcbcc2b0a950041628de2ee
[INFO] running `Command { std: "docker" "start" "-a" "5b1293862079bfc170b184c2874a65778b46c61acfcbcc2b0a950041628de2ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b1293862079bfc170b184c2874a65778b46c61acfcbcc2b0a950041628de2ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b1293862079bfc170b184c2874a65778b46c61acfcbcc2b0a950041628de2ee", kill_on_drop: false }`
[INFO] [stdout] 5b1293862079bfc170b184c2874a65778b46c61acfcbcc2b0a950041628de2ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+2ad4eb207b369017f5140918b5e4b0d3650b46b0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db85cd8ffd57815c710e7b1e3c9e5b64620217cb465e480071bbd577c4956954
[INFO] running `Command { std: "docker" "start" "-a" "db85cd8ffd57815c710e7b1e3c9e5b64620217cb465e480071bbd577c4956954", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.114
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.135
[INFO] [stderr]    Compiling serde v1.0.135
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.6
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling siphasher v0.3.9
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.6
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling lalrpop-util v0.19.7
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling indoc v1.0.3
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling phf_shared v0.8.0
[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 -C metadata=5e1cc215759dcea0 -C extra-filename=-5e1cc215759dcea0 --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] running `Command { std: "docker" "inspect" "db85cd8ffd57815c710e7b1e3c9e5b64620217cb465e480071bbd577c4956954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db85cd8ffd57815c710e7b1e3c9e5b64620217cb465e480071bbd577c4956954", kill_on_drop: false }`
[INFO] [stdout] db85cd8ffd57815c710e7b1e3c9e5b64620217cb465e480071bbd577c4956954