[INFO] cloning repository https://github.com/brennie/metabrowser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brennie/metabrowser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrennie%2Fmetabrowser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrennie%2Fmetabrowser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f6e64ef0e8fb214a76a8814f6c538455345f3b88
[INFO] checking brennie/metabrowser against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrennie%2Fmetabrowser" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brennie/metabrowser 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 git repo https://github.com/brennie/metabrowser
[INFO] finished tweaking git repo https://github.com/brennie/metabrowser
[INFO] tweaked toml for git repo https://github.com/brennie/metabrowser written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/brennie/metabrowser already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dtoa v0.3.1
[INFO] [stderr]   Downloaded serde_yaml v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 1cf65159e67442a968781d8bf0e8307e90a02e63e057b7eca78dd245854e88c1
[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" "1cf65159e67442a968781d8bf0e8307e90a02e63e057b7eca78dd245854e88c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cf65159e67442a968781d8bf0e8307e90a02e63e057b7eca78dd245854e88c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cf65159e67442a968781d8bf0e8307e90a02e63e057b7eca78dd245854e88c1", kill_on_drop: false }`
[INFO] [stdout] 1cf65159e67442a968781d8bf0e8307e90a02e63e057b7eca78dd245854e88c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 941356c6e72d77a4a78c6ae38a2f08664e4832ccb30ace5f36a64572f05d0f8d
[INFO] running `Command { std: "docker" "start" "-a" "941356c6e72d77a4a78c6ae38a2f08664e4832ccb30ace5f36a64572f05d0f8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking libc v0.2.20
[INFO] [stderr]    Compiling gcc v0.3.42
[INFO] [stderr]    Compiling quote v0.3.12
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]     Checking rustc-demangle v0.1.3
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.4.0
[INFO] [stderr]     Checking dtoa v0.3.1
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.10.8/src/helper.rs:46:31
[INFO] [stdout]     |
[INFO] [stdout] 46  |           option!($i, call!($f));
[INFO] [stdout]     |                                 ^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.10.8/src/attr.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 147 | /     named!(pub outer_attr -> Attribute, alt!(
[INFO] [stdout] 148 | |         do_parse!(
[INFO] [stdout] 149 | |             punct!("#") >>
[INFO] [stdout] 150 | |             punct!("[") >>
[INFO] [stdout] ...   |
[INFO] [stdout] 186 | |         )
[INFO] [stdout] 187 | |     ));
[INFO] [stdout]     | |_______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `option` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.10.8/src/helper.rs:78:41
[INFO] [stdout]    |
[INFO] [stdout] 78 |           tap!($i, $name: call!($f) => $e);
[INFO] [stdout]    |                                           ^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.10.8/src/constant.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | /     named!(pub const_expr -> ConstExpr, do_parse!(
[INFO] [stdout] 48 | |         mut e: alt!(
[INFO] [stdout] 49 | |             expr_unary
[INFO] [stdout] 50 | |             |
[INFO] [stdout] ...  |
[INFO] [stdout] 75 | |         (e)
[INFO] [stdout] 76 | |     ));
[INFO] [stdout]    | |_______- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tap` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.10.8/src/helper.rs:78:41
[INFO] [stdout]    |
[INFO] [stdout] 78 |           tap!($i, $name: call!($f) => $e);
[INFO] [stdout]    |                                           ^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.10.8/src/constant.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | /     named!(pub const_expr -> ConstExpr, do_parse!(
[INFO] [stdout] 48 | |         mut e: alt!(
[INFO] [stdout] 49 | |             expr_unary
[INFO] [stdout] 50 | |             |
[INFO] [stdout] ...  |
[INFO] [stdout] 75 | |         (e)
[INFO] [stdout] 76 | |     ));
[INFO] [stdout]    | |_______- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tap` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.10.8/src/helper.rs:78:41
[INFO] [stdout]    |
[INFO] [stdout] 78 |           tap!($i, $name: call!($f) => $e);
[INFO] [stdout]    |                                           ^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.10.8/src/constant.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | /     named!(pub const_expr -> ConstExpr, do_parse!(
[INFO] [stdout] 48 | |         mut e: alt!(
[INFO] [stdout] 49 | |             expr_unary
[INFO] [stdout] 50 | |             |
[INFO] [stdout] ...  |
[INFO] [stdout] 75 | |         (e)
[INFO] [stdout] 76 | |     ));
[INFO] [stdout]    | |_______- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tap` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.10.8/src/helper.rs:78:41
[INFO] [stdout]    |
[INFO] [stdout] 78 |           tap!($i, $name: call!($f) => $e);
[INFO] [stdout]    |                                           ^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.10.8/src/constant.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | /     named!(pub const_expr -> ConstExpr, do_parse!(
[INFO] [stdout] 48 | |         mut e: alt!(
[INFO] [stdout] 49 | |             expr_unary
[INFO] [stdout] 50 | |             |
[INFO] [stdout] ...  |
[INFO] [stdout] 75 | |         (e)
[INFO] [stdout] 76 | |     ));
[INFO] [stdout]    | |_______- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tap` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking thread-id v3.0.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.10.8/src/helper.rs:46:31
[INFO] [stdout]     |
[INFO] [stdout] 46  |           option!($i, call!($f));
[INFO] [stdout]     |                                 ^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.10.8/src/ty.rs:301:5
[INFO] [stdout]     |
[INFO] [stdout] 301 | /     named!(ty_rptr -> Ty, do_parse!(
[INFO] [stdout] 302 | |         punct!("&") >>
[INFO] [stdout] 303 | |         life: option!(lifetime) >>
[INFO] [stdout] 304 | |         mutability: mutability >>
[INFO] [stdout] ...   |
[INFO] [stdout] 309 | |         })))
[INFO] [stdout] 310 | |     ));
[INFO] [stdout]     | |_______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `option` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.10.8/src/helper.rs:46:31
[INFO] [stdout]     |
[INFO] [stdout] 46  |           option!($i, call!($f));
[INFO] [stdout]     |                                 ^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.10.8/src/ty.rs:312:5
[INFO] [stdout]     |
[INFO] [stdout] 312 | /     named!(ty_bare_fn -> Ty, do_parse!(
[INFO] [stdout] 313 | |         lifetimes: opt_vec!(do_parse!(
[INFO] [stdout] 314 | |             keyword!("for") >>
[INFO] [stdout] 315 | |             punct!("<") >>
[INFO] [stdout] ...   |
[INFO] [stdout] 342 | |         })))
[INFO] [stdout] 343 | |     ));
[INFO] [stdout]     | |_______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `option` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.10.8/src/helper.rs:46:31
[INFO] [stdout]     |
[INFO] [stdout] 46  |           option!($i, call!($f));
[INFO] [stdout]     |                                 ^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.10.8/src/ty.rs:354:5
[INFO] [stdout]     |
[INFO] [stdout] 354 | /     named!(ty_path -> Ty, do_parse!(
[INFO] [stdout] 355 | |         qpath: qpath >>
[INFO] [stdout] 356 | |         parenthesized: cond!(
[INFO] [stdout] 357 | |             qpath.1.segments.last().unwrap().parameters == PathParameters::none(),
[INFO] [stdout] ...   |
[INFO] [stdout] 372 | |         })
[INFO] [stdout] 373 | |     ));
[INFO] [stdout]     | |_______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `option` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.10.8/src/helper.rs:46:31
[INFO] [stdout]     |
[INFO] [stdout] 46  |           option!($i, call!($f));
[INFO] [stdout]     |                                 ^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.10.8/src/ty.rs:457:5
[INFO] [stdout]     |
[INFO] [stdout] 457 | /     named!(path_segment -> PathSegment, alt!(
[INFO] [stdout] 458 | |         do_parse!(
[INFO] [stdout] 459 | |             id: option!(ident) >>
[INFO] [stdout] 460 | |             punct!("<") >>
[INFO] [stdout] ...   |
[INFO] [stdout] 495 | |         ), Into::into)
[INFO] [stdout] 496 | |     ));
[INFO] [stdout]     | |_______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `option` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.10.8/src/helper.rs:46:31
[INFO] [stdout]     |
[INFO] [stdout] 46  |           option!($i, call!($f));
[INFO] [stdout]     |                                 ^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.10.8/src/ty.rs:547:5
[INFO] [stdout]     |
[INFO] [stdout] 547 | /     named!(pub abi -> Abi, do_parse!(
[INFO] [stdout] 548 | |         keyword!("extern") >>
[INFO] [stdout] 549 | |         name: option!(quoted_string) >>
[INFO] [stdout] 550 | |         (match name {
[INFO] [stdout] ...   |
[INFO] [stdout] 553 | |         })
[INFO] [stdout] 554 | |     ));
[INFO] [stdout]     | |_______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `option` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking thread_local v0.3.2
[INFO] [stderr]     Checking aho-corasick v0.6.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stdout] error: aborting due to 10 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex v0.2.1
[INFO] [stderr] error: could not compile `syn`
[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" "941356c6e72d77a4a78c6ae38a2f08664e4832ccb30ace5f36a64572f05d0f8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "941356c6e72d77a4a78c6ae38a2f08664e4832ccb30ace5f36a64572f05d0f8d", kill_on_drop: false }`
[INFO] [stdout] 941356c6e72d77a4a78c6ae38a2f08664e4832ccb30ace5f36a64572f05d0f8d