[INFO] fetching crate prs-cli 0.2.13...
[INFO] testing prs-cli-0.2.13 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate prs-cli 0.2.13 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate prs-cli 0.2.13 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prs-cli 0.2.13
[INFO] finished tweaking crates.io crate prs-cli 0.2.13
[INFO] tweaked toml for crates.io crate prs-cli 0.2.13 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate prs-cli 0.2.13 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive_builder_macro v0.10.2
[INFO] [stderr]   Downloaded fuzzy-matcher v0.3.7
[INFO] [stderr]   Downloaded darling_macro v0.12.4
[INFO] [stderr]   Downloaded ansi-escapes v0.1.0
[INFO] [stderr]   Downloaded beef v0.5.0
[INFO] [stderr]   Downloaded derive_builder v0.10.2
[INFO] [stderr]   Downloaded defer-drop v1.0.1
[INFO] [stderr]   Downloaded vte v0.9.0
[INFO] [stderr]   Downloaded darling v0.12.4
[INFO] [stderr]   Downloaded chbs v0.1.0
[INFO] [stderr]   Downloaded darling_core v0.12.4
[INFO] [stderr]   Downloaded derive_builder_core v0.10.2
[INFO] [stderr]   Downloaded tuikit v0.4.5
[INFO] [stderr]   Downloaded skim v0.9.4
[INFO] [stderr]   Downloaded timer v0.2.0
[INFO] [stderr]   Downloaded vte_generate_state_changes v0.1.1
[INFO] [stderr]   Downloaded text_trees v0.1.2
[INFO] [stderr]   Downloaded copypasta-ext v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ed728f3a22ce88a49603885635c8dcd4b14416d3f7d8f7b7877365dcb55f499
[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" "1ed728f3a22ce88a49603885635c8dcd4b14416d3f7d8f7b7877365dcb55f499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ed728f3a22ce88a49603885635c8dcd4b14416d3f7d8f7b7877365dcb55f499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ed728f3a22ce88a49603885635c8dcd4b14416d3f7d8f7b7877365dcb55f499", kill_on_drop: false }`
[INFO] [stdout] 1ed728f3a22ce88a49603885635c8dcd4b14416d3f7d8f7b7877365dcb55f499
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] 689343acb2ab6a8646a14d9c56da8c27942775bc5db7f119be8b1fa9e8dc3c36
[INFO] running `Command { std: "docker" "start" "-a" "689343acb2ab6a8646a14d9c56da8c27942775bc5db7f119be8b1fa9e8dc3c36", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling copypasta-ext v0.3.4
[INFO] [stderr]    Compiling prs-lib v0.2.13
[INFO] [stderr]    Compiling git-state v0.1.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling version-compare v0.0.11
[INFO] [stderr]    Compiling beef v0.5.0
[INFO] [stderr]    Compiling text_trees v0.1.2
[INFO] [stderr]    Compiling ansi-escapes v0.1.0
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling textwrap v0.12.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling dlib v0.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling object v0.25.3
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling fuzzy-matcher v0.3.7
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]    Compiling crossbeam v0.8.1
[INFO] [stderr]    Compiling defer-drop v1.0.1
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling memmap2 v0.2.3
[INFO] [stderr]    Compiling which v4.1.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling nix v0.19.1
[INFO] [stderr]    Compiling secstr v0.4.0
[INFO] [stderr]    Compiling nix v0.21.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling vte v0.9.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling nb-connect v1.2.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling dirs-next v2.0.0
[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 --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=cfec10257cbd629b -C extra-filename=-cfec10257cbd629b --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" "689343acb2ab6a8646a14d9c56da8c27942775bc5db7f119be8b1fa9e8dc3c36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "689343acb2ab6a8646a14d9c56da8c27942775bc5db7f119be8b1fa9e8dc3c36", kill_on_drop: false }`
[INFO] [stdout] 689343acb2ab6a8646a14d9c56da8c27942775bc5db7f119be8b1fa9e8dc3c36