[INFO] fetching crate wrapped-vec 0.3.0...
[INFO] checking wrapped-vec-0.3.0 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate wrapped-vec 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate wrapped-vec 0.3.0 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 wrapped-vec 0.3.0
[INFO] finished tweaking crates.io crate wrapped-vec 0.3.0
[INFO] tweaked toml for crates.io crate wrapped-vec 0.3.0 written to /workspace/builds/worker-0/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 0d119744b0ed0e4707b3b651315b078318c0f79fa0b2bcc5c1fc34e1902dffdf
[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" "0d119744b0ed0e4707b3b651315b078318c0f79fa0b2bcc5c1fc34e1902dffdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d119744b0ed0e4707b3b651315b078318c0f79fa0b2bcc5c1fc34e1902dffdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d119744b0ed0e4707b3b651315b078318c0f79fa0b2bcc5c1fc34e1902dffdf", kill_on_drop: false }`
[INFO] [stdout] 0d119744b0ed0e4707b3b651315b078318c0f79fa0b2bcc5c1fc34e1902dffdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] c7ef0ae06678da8a33a829c776692633c31eb818b4d95ad39de340656acd4171
[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" "c7ef0ae06678da8a33a829c776692633c31eb818b4d95ad39de340656acd4171", kill_on_drop: false }`
[INFO] [stderr]     Checking proc-macro2 v1.0.27
[INFO] [stderr]    Compiling wrapped-vec v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]   --> src/lib.rs:60:59
[INFO] [stdout]    |
[INFO] [stdout] 60 |           attr_string_val($input, $attr).unwrap_or($default);
[INFO] [stdout]    |                                                             ^
[INFO] [stdout] ...
[INFO] [stdout] 66 |           let wrapper = doc_attr!(
[INFO] [stdout]    |  _______________________-
[INFO] [stdout] 67 | |             input,
[INFO] [stdout] 68 | |             "CollectionDoc",
[INFO] [stdout] 69 | |             format!("A collection of {}s", idents.item)
[INFO] [stdout] 70 | |         );
[INFO] [stdout]    | |_________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `doc_attr` (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:60:59
[INFO] [stdout]    |
[INFO] [stdout] 60 |           attr_string_val($input, $attr).unwrap_or($default);
[INFO] [stdout]    |                                                             ^
[INFO] [stdout] ...
[INFO] [stdout] 71 |           let new = doc_attr!(
[INFO] [stdout]    |  ___________________-
[INFO] [stdout] 72 | |             input,
[INFO] [stdout] 73 | |             "CollectionNewDoc",
[INFO] [stdout] 74 | |             format!("Creates a new, empty {}", idents.collection)
[INFO] [stdout] 75 | |         );
[INFO] [stdout]    | |_________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `doc_attr` (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:60:59
[INFO] [stdout]    |
[INFO] [stdout] 60 |           attr_string_val($input, $attr).unwrap_or($default);
[INFO] [stdout]    |                                                             ^
[INFO] [stdout] ...
[INFO] [stdout] 76 |           let is_empty = doc_attr!(
[INFO] [stdout]    |  ________________________-
[INFO] [stdout] 77 | |             input,
[INFO] [stdout] 78 | |             "CollectionIsEmptyDoc",
[INFO] [stdout] 79 | |             format!(
[INFO] [stdout] ...  |
[INFO] [stdout] 82 | |             )
[INFO] [stdout] 83 | |         );
[INFO] [stdout]    | |_________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `doc_attr` (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:60:59
[INFO] [stdout]    |
[INFO] [stdout] 60 |           attr_string_val($input, $attr).unwrap_or($default);
[INFO] [stdout]    |                                                             ^
[INFO] [stdout] ...
[INFO] [stdout] 84 |           let len = doc_attr!(
[INFO] [stdout]    |  ___________________-
[INFO] [stdout] 85 | |             input,
[INFO] [stdout] 86 | |             "CollectionLenDoc",
[INFO] [stdout] 87 | |             format!(
[INFO] [stdout] ...  |
[INFO] [stdout] 90 | |             )
[INFO] [stdout] 91 | |         );
[INFO] [stdout]    | |_________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `doc_attr` (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:60:59
[INFO] [stdout]    |
[INFO] [stdout] 60 |           attr_string_val($input, $attr).unwrap_or($default);
[INFO] [stdout]    |                                                             ^
[INFO] [stdout] ...
[INFO] [stdout] 92 |           let iter = doc_attr!(
[INFO] [stdout]    |  ____________________-
[INFO] [stdout] 93 | |             input,
[INFO] [stdout] 94 | |             "CollectionIterDoc",
[INFO] [stdout] 95 | |             format!("Returns an iterator over the {}", idents.collection)
[INFO] [stdout] 96 | |         );
[INFO] [stdout]    | |_________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `doc_attr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wrapped-vec`
[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" "c7ef0ae06678da8a33a829c776692633c31eb818b4d95ad39de340656acd4171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7ef0ae06678da8a33a829c776692633c31eb818b4d95ad39de340656acd4171", kill_on_drop: false }`
[INFO] [stdout] c7ef0ae06678da8a33a829c776692633c31eb818b4d95ad39de340656acd4171