[INFO] fetching crate dbcrossbarlib 0.5.0-alpha.2...
[INFO] checking dbcrossbarlib-0.5.0-alpha.2 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate dbcrossbarlib 0.5.0-alpha.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate dbcrossbarlib 0.5.0-alpha.2 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dbcrossbarlib 0.5.0-alpha.2
[INFO] finished tweaking crates.io crate dbcrossbarlib 0.5.0-alpha.2
[INFO] tweaked toml for crates.io crate dbcrossbarlib 0.5.0-alpha.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "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 postgres-types v0.2.1
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[INFO] [stderr]   Downloaded crc32c v0.5.0
[INFO] [stderr]   Downloaded parse_link_header v0.2.1
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[INFO] [stderr]   Downloaded postgis v0.7.0
[INFO] [stderr]   Downloaded tokio-postgres v0.7.2
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[INFO] [stderr]   Downloaded postgres v0.17.5
[INFO] [stderr]   Downloaded toml_edit v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", 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] 0c89852eb45055ce99f5a60b9c9bf5599b6eb2698d3aa743d88368e70c0dc538
[INFO] running `Command { std: "docker" "start" "-a" "0c89852eb45055ce99f5a60b9c9bf5599b6eb2698d3aa743d88368e70c0dc538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c89852eb45055ce99f5a60b9c9bf5599b6eb2698d3aa743d88368e70c0dc538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c89852eb45055ce99f5a60b9c9bf5599b6eb2698d3aa743d88368e70c0dc538", kill_on_drop: false }`
[INFO] [stdout] 0c89852eb45055ce99f5a60b9c9bf5599b6eb2698d3aa743d88368e70c0dc538
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a1d2d5ad077ac1721cc5371c4154d63df3c3d15164f5cfe401e7c9f7fbba8ba
[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" "2a1d2d5ad077ac1721cc5371c4154d63df3c3d15164f5cfe401e7c9f7fbba8ba", kill_on_drop: false }`
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[INFO] [stderr]     Checking rustls-native-certs v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling bigml_derive v0.4.0
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking common_failures v0.1.1
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling big_enum_set_derive v0.2.1
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/big_enum_set_derive-0.2.1/src/lib.rs:22:63
[INFO] [stdout]     |
[INFO] [stdout] 22  |         return Err(Error::new($span, format!($fmt, $($arg)*)));
[INFO] [stdout]     |                                                               ^
[INFO] [stdout] ...
[INFO] [stdout] 316 |                         Err(_e) => bail!(variant.span(), "Unparseable discriminant. {}", extra_msg),
[INFO] [stdout]     |                                    ---------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `bail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `big_enum_set_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" "2a1d2d5ad077ac1721cc5371c4154d63df3c3d15164f5cfe401e7c9f7fbba8ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a1d2d5ad077ac1721cc5371c4154d63df3c3d15164f5cfe401e7c9f7fbba8ba", kill_on_drop: false }`
[INFO] [stdout] 2a1d2d5ad077ac1721cc5371c4154d63df3c3d15164f5cfe401e7c9f7fbba8ba