[INFO] fetching crate krator-derive 0.4.0...
[INFO] testing krator-derive-0.4.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate krator-derive 0.4.0 into /workspace/builds/worker-54/source
[INFO] validating manifest of crates.io crate krator-derive 0.4.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate krator-derive 0.4.0
[INFO] finished tweaking crates.io crate krator-derive 0.4.0
[INFO] tweaked toml for crates.io crate krator-derive 0.4.0 written to /workspace/builds/worker-54/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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 der-oid-macro v0.5.0
[INFO] [stderr]   Downloaded x509-parser v0.12.0
[INFO] [stderr]   Downloaded der-parser v6.0.0
[INFO] [stderr]   Downloaded oid-registry v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13dc73f7eb30ba0e6a0cfe11cdce2c42319027f0d3975b9e436dcd98688dad48
[INFO] running `Command { std: "docker" "start" "-a" "13dc73f7eb30ba0e6a0cfe11cdce2c42319027f0d3975b9e436dcd98688dad48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13dc73f7eb30ba0e6a0cfe11cdce2c42319027f0d3975b9e436dcd98688dad48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13dc73f7eb30ba0e6a0cfe11cdce2c42319027f0d3975b9e436dcd98688dad48", kill_on_drop: false }`
[INFO] [stdout] 13dc73f7eb30ba0e6a0cfe11cdce2c42319027f0d3975b9e436dcd98688dad48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ac1a7ad9db1ce42ad763f43d7a075d81371ae83fd9ed1b1be08e2c959e9736a
[INFO] running `Command { std: "docker" "start" "-a" "1ac1a7ad9db1ce42ad763f43d7a075d81371ae83fd9ed1b1be08e2c959e9736a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling krator-derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.21s
[INFO] running `Command { std: "docker" "inspect" "1ac1a7ad9db1ce42ad763f43d7a075d81371ae83fd9ed1b1be08e2c959e9736a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ac1a7ad9db1ce42ad763f43d7a075d81371ae83fd9ed1b1be08e2c959e9736a", kill_on_drop: false }`
[INFO] [stdout] 1ac1a7ad9db1ce42ad763f43d7a075d81371ae83fd9ed1b1be08e2c959e9736a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec05d3f10d53d60ee28c9d65d37f02bc505c14cb893a7c20f3844ba5a5fa32aa
[INFO] running `Command { std: "docker" "start" "-a" "ec05d3f10d53d60ee28c9d65d37f02bc505c14cb893a7c20f3844ba5a5fa32aa", 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 strsim v0.10.0
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling k8s-openapi v0.13.1
[INFO] [stderr]    Compiling oid-registry v0.2.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling schemars v0.8.7
[INFO] [stderr]    Compiling anyhow v1.0.47
[INFO] [stderr]    Compiling data-encoding v2.3.2
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling dyn-clone v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling http-body v0.4.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling serde_derive_internals v0.25.0
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling darling_core v0.12.4
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling dashmap v4.0.2
[INFO] [stderr]    Compiling pem v0.8.3
[INFO] [stderr]    Compiling pem v1.0.1
[INFO] [stderr]    Compiling schemars_derive v0.8.7
[INFO] [stderr]    Compiling ordered-float v2.8.0
[INFO] [stderr] error: could not compile `darling_core`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name darling_core /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/darling_core-0.12.4/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="strsim"' --cfg 'feature="suggestions"' -C metadata=ae10c35dcd74969e -C extra-filename=-ae10c35dcd74969e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern fnv=/opt/rustwide/target/debug/deps/libfnv-22cd72556da4b99c.rmeta --extern ident_case=/opt/rustwide/target/debug/deps/libident_case-8a08f83f83dee0c4.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-9dbaaf035d6d15d1.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-0bcba2a61b67309f.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-4e9d0b184b9a2988.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-094bea1cd0e8ee9e.rmeta --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" "ec05d3f10d53d60ee28c9d65d37f02bc505c14cb893a7c20f3844ba5a5fa32aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec05d3f10d53d60ee28c9d65d37f02bc505c14cb893a7c20f3844ba5a5fa32aa", kill_on_drop: false }`
[INFO] [stdout] ec05d3f10d53d60ee28c9d65d37f02bc505c14cb893a7c20f3844ba5a5fa32aa