[INFO] fetching crate knope 0.2.0...
[INFO] testing knope-0.2.0 against try#c3758fdc4730d7700b25a13cccff296a08f42c00 for pr-91743
[INFO] extracting crate knope 0.2.0 into /workspace/builds/worker-108/source
[INFO] validating manifest of crates.io crate knope 0.2.0 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 knope 0.2.0
[INFO] finished tweaking crates.io crate knope 0.2.0
[INFO] tweaked toml for crates.io crate knope 0.2.0 written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] crate crates.io crate knope 0.2.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 54940dc758bbc5633e6517c676505383ef270b100608ae3a080e1676a7e172ea
[INFO] running `Command { std: "docker" "start" "-a" "54940dc758bbc5633e6517c676505383ef270b100608ae3a080e1676a7e172ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54940dc758bbc5633e6517c676505383ef270b100608ae3a080e1676a7e172ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54940dc758bbc5633e6517c676505383ef270b100608ae3a080e1676a7e172ea", kill_on_drop: false }`
[INFO] [stdout] 54940dc758bbc5633e6517c676505383ef270b100608ae3a080e1676a7e172ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] e7c950f18983a3a1a0e7dd419593d853538690ee37aecb015843223ac5541b37
[INFO] running `Command { std: "docker" "start" "-a" "e7c950f18983a3a1a0e7dd419593d853538690ee37aecb015843223ac5541b37", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling rustls v0.20.4
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling execute-command-tokens v0.1.5
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling semver v1.0.6
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling is_ci v1.1.1
[INFO] [stderr]    Compiling smawk v0.3.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling chunked_transfer v1.4.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling zeroize v1.5.3
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling owo-colors v3.2.0
[INFO] [stderr]    Compiling tinyvec v1.5.1
[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: could not compile `gimli`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name gimli --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gimli-0.26.1/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="read"' --cfg 'feature="read-core"' -C metadata=77d5d8fe668a6006 -C extra-filename=-77d5d8fe668a6006 --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] 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] running `Command { std: "docker" "inspect" "e7c950f18983a3a1a0e7dd419593d853538690ee37aecb015843223ac5541b37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7c950f18983a3a1a0e7dd419593d853538690ee37aecb015843223ac5541b37", kill_on_drop: false }`
[INFO] [stdout] e7c950f18983a3a1a0e7dd419593d853538690ee37aecb015843223ac5541b37