[INFO] fetching crate dbcrossbarlib 0.4.2-beta.8...
[INFO] checking dbcrossbarlib-0.4.2-beta.8 against master#6526e5c772f2da07db745c94ca6bb0a591a39ba4 for pr-80920
[INFO] extracting crate dbcrossbarlib 0.4.2-beta.8 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate dbcrossbarlib 0.4.2-beta.8 on toolchain 6526e5c772f2da07db745c94ca6bb0a591a39ba4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dbcrossbarlib 0.4.2-beta.8
[INFO] finished tweaking crates.io crate dbcrossbarlib 0.4.2-beta.8
[INFO] tweaked toml for crates.io crate dbcrossbarlib 0.4.2-beta.8 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27ac92fa5164498f8b8b80a7a45af4d07502ba14819306a166179758efd353f8
[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" "27ac92fa5164498f8b8b80a7a45af4d07502ba14819306a166179758efd353f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27ac92fa5164498f8b8b80a7a45af4d07502ba14819306a166179758efd353f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27ac92fa5164498f8b8b80a7a45af4d07502ba14819306a166179758efd353f8", kill_on_drop: false }`
[INFO] [stdout] 27ac92fa5164498f8b8b80a7a45af4d07502ba14819306a166179758efd353f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebb7093f403379fe51721dcdb2d6e13ad767a46381f4023d67f7912db67d0cf8
[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" "ebb7093f403379fe51721dcdb2d6e13ad767a46381f4023d67f7912db67d0cf8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking futures-core v0.3.9
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking futures-sink v0.3.9
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling serde_derive v1.0.119
[INFO] [stderr]     Checking futures-io v0.3.9
[INFO] [stderr]    Compiling serde v1.0.119
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking siphasher v0.3.3
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking arc-swap v1.2.0
[INFO] [stderr]    Compiling peg-runtime v0.6.3
[INFO] [stderr]    Compiling crc32c v0.5.0
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking seahash v4.0.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking main_error v0.1.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]     Checking futures-channel v0.3.9
[INFO] [stderr]     Checking futures-task v0.3.9
[INFO] [stderr]     Checking lock_api v0.4.2
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[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]     Checking codespan-reporting v0.9.5
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking encoding_rs v0.8.26
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking combine v3.8.1
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[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking slog-scope v4.4.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking geo-types v0.5.0
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking slog-stdlog v4.1.0
[INFO] [stderr]     Checking digest v0.8.1
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[INFO] [stderr]    Compiling quote v1.0.8
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[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
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[INFO] [stderr]     Checking getrandom v0.1.16
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[INFO] [stderr]     Checking openssl-sys v0.9.60
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[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking getrandom v0.2.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.9.1
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking sha2 v0.9.2
[INFO] [stderr]     Checking sha-1 v0.9.2
[INFO] [stderr]     Checking hmac v0.9.0
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]    Compiling peg-macros v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking slog-async v2.6.0
[INFO] [stderr]     Checking rand v0.8.1
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking parse_link_header v0.2.0
[INFO] [stderr]     Checking ct-logs v0.6.0
[INFO] [stderr]     Checking headers v0.3.2
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking postgres-protocol v0.5.3
[INFO] [stderr]     Checking postgres-types v0.1.3
[INFO] [stderr]     Checking peg v0.6.3
[INFO] [stderr]     Checking rustls-native-certs v0.3.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling futures-macro v0.3.9
[INFO] [stderr]    Compiling pin-project-internal v1.0.4
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling bigml_derive v0.4.0
[INFO] [stderr]    Compiling strum_macros v0.19.4
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking futures-util v0.3.9
[INFO] [stderr]     Checking common_failures v0.1.1
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling enumset_derive v0.5.0
[INFO] [stdout] error[E0432]: unresolved import `syn::export`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/enumset_derive-0.5.0/src/lib.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | use syn::export::Span;
[INFO] [stdout]    |          ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking pin-project v1.0.4
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `enumset_derive`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ebb7093f403379fe51721dcdb2d6e13ad767a46381f4023d67f7912db67d0cf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebb7093f403379fe51721dcdb2d6e13ad767a46381f4023d67f7912db67d0cf8", kill_on_drop: false }`
[INFO] [stdout] ebb7093f403379fe51721dcdb2d6e13ad767a46381f4023d67f7912db67d0cf8