[INFO] fetching crate git-branchless 0.3.7...
[INFO] testing git-branchless-0.3.7 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate git-branchless 0.3.7 into /workspace/builds/worker-90/source
[INFO] validating manifest of crates.io crate git-branchless 0.3.7 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate git-branchless 0.3.7
[INFO] finished tweaking crates.io crate git-branchless 0.3.7
[INFO] tweaked toml for crates.io crate git-branchless 0.3.7 written to /workspace/builds/worker-90/source/Cargo.toml
[INFO] crate crates.io crate git-branchless 0.3.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d983c31741a32332047fd0fbc9d103636c433965e6f9bc2867bd5fe016ddf93
[INFO] running `Command { std: "docker" "start" "-a" "5d983c31741a32332047fd0fbc9d103636c433965e6f9bc2867bd5fe016ddf93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d983c31741a32332047fd0fbc9d103636c433965e6f9bc2867bd5fe016ddf93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d983c31741a32332047fd0fbc9d103636c433965e6f9bc2867bd5fe016ddf93", kill_on_drop: false }`
[INFO] [stdout] 5d983c31741a32332047fd0fbc9d103636c433965e6f9bc2867bd5fe016ddf93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6455db8bd4c4a323f8e0fb7c1c2b034e9f81fba04c4acbcb5ed2374f62cb38e7
[INFO] running `Command { std: "docker" "start" "-a" "6455db8bd4c4a323f8e0fb7c1c2b034e9f81fba04c4acbcb5ed2374f62cb38e7", 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 v0.2.101
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling serde_derive v1.0.129
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde v1.0.129
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.6
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling esl01-vlqencoding v0.1.0
[INFO] [stderr]    Compiling predicates-core v1.0.2
[INFO] [stderr]    Compiling roff v0.1.0
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling xi-unicode v0.3.0
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling esl01-drawdag v0.1.0
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling owo-colors v1.3.0
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling concolor-query v0.0.4
[INFO] [stderr]    Compiling fallible-streaming-iterator v0.1.9
[INFO] [stderr]    Compiling path-slash v0.1.4
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling tracing-core v0.1.19
[INFO] [stderr]    Compiling sharded-slab v0.1.3
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr] error: could not compile `autocfg`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name autocfg /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/autocfg-1.0.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=0 -C metadata=c5c1bfd8ee347b10 -C extra-filename=-c5c1bfd8ee347b10 --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" "6455db8bd4c4a323f8e0fb7c1c2b034e9f81fba04c4acbcb5ed2374f62cb38e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6455db8bd4c4a323f8e0fb7c1c2b034e9f81fba04c4acbcb5ed2374f62cb38e7", kill_on_drop: false }`
[INFO] [stdout] 6455db8bd4c4a323f8e0fb7c1c2b034e9f81fba04c4acbcb5ed2374f62cb38e7