[INFO] fetching crate big_enum_set_derive 0.2.1...
[INFO] checking big_enum_set_derive-0.2.1 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate big_enum_set_derive 0.2.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate big_enum_set_derive 0.2.1 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 big_enum_set_derive 0.2.1
[INFO] finished tweaking crates.io crate big_enum_set_derive 0.2.1
[INFO] tweaked toml for crates.io crate big_enum_set_derive 0.2.1 written to /workspace/builds/worker-7/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] 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" "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] [stdout] c363bc66eed2371fba7f3a41153eb361c36a93d64cb2899e1f7b9b080e0a712c
[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" "c363bc66eed2371fba7f3a41153eb361c36a93d64cb2899e1f7b9b080e0a712c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c363bc66eed2371fba7f3a41153eb361c36a93d64cb2899e1f7b9b080e0a712c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c363bc66eed2371fba7f3a41153eb361c36a93d64cb2899e1f7b9b080e0a712c", kill_on_drop: false }`
[INFO] [stdout] c363bc66eed2371fba7f3a41153eb361c36a93d64cb2899e1f7b9b080e0a712c
[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" "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] 6f4c4009132e9c330ce5e38459447400200c51da137e21043da7fbe9bed3974e
[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" "6f4c4009132e9c330ce5e38459447400200c51da137e21043da7fbe9bed3974e", kill_on_drop: false }`
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking darling_core v0.10.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling big_enum_set_derive v0.2.1
[INFO] [stderr]     Checking big_enum_set_derive v0.2.1 (/opt/rustwide/workdir)
[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] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]    --> 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] [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] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6f4c4009132e9c330ce5e38459447400200c51da137e21043da7fbe9bed3974e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f4c4009132e9c330ce5e38459447400200c51da137e21043da7fbe9bed3974e", kill_on_drop: false }`
[INFO] [stdout] 6f4c4009132e9c330ce5e38459447400200c51da137e21043da7fbe9bed3974e