[INFO] cloning repository https://github.com/mubiquity/Rust-Nature-of-Code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mubiquity/Rust-Nature-of-Code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmubiquity%2FRust-Nature-of-Code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmubiquity%2FRust-Nature-of-Code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d8e8ca56c9914340affa09702295cd160d7d1f5
[INFO] checking mubiquity/Rust-Nature-of-Code against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmubiquity%2FRust-Nature-of-Code" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mubiquity/Rust-Nature-of-Code 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/mubiquity/Rust-Nature-of-Code
[INFO] finished tweaking git repo https://github.com/mubiquity/Rust-Nature-of-Code
[INFO] tweaked toml for git repo https://github.com/mubiquity/Rust-Nature-of-Code written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/mubiquity/Rust-Nature-of-Code 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 core-graphics v0.13.0
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[INFO] [stderr]   Downloaded pistoncore-event_loop v0.36.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 539146eded0c0a5aea2cb0df29504d18d41953a85fb81a5d1e12bc53f2fee7e2
[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" "539146eded0c0a5aea2cb0df29504d18d41953a85fb81a5d1e12bc53f2fee7e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "539146eded0c0a5aea2cb0df29504d18d41953a85fb81a5d1e12bc53f2fee7e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "539146eded0c0a5aea2cb0df29504d18d41953a85fb81a5d1e12bc53f2fee7e2", kill_on_drop: false }`
[INFO] [stdout] 539146eded0c0a5aea2cb0df29504d18d41953a85fb81a5d1e12bc53f2fee7e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] a73ec361eb0f9f1f94b0f4fbf0fbc26178522ddfe19cc28f4821dc40b91af559
[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" "a73ec361eb0f9f1f94b0f4fbf0fbc26178522ddfe19cc28f4821dc40b91af559", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling cc v1.0.9
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]     Checking adler32 v1.0.2
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]     Checking remove_dir_all v0.5.0
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking rand_core v0.1.0-pre.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]    Compiling proc-macro2 v0.3.1
[INFO] [stderr]     Checking stb_truetype v0.2.2
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]     Checking tempfile v3.0.0
[INFO] [stderr]     Checking inflate v0.3.4
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]     Checking matrixmultiply v0.1.14
[INFO] [stderr]     Checking shared_library v0.1.8
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]     Checking rand v0.5.0-pre.0
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]    Compiling quote v0.5.1
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]    Compiling x11-dl v2.17.5
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.13.1/src/parsers.rs:1208:41
[INFO] [stdout]      |
[INFO] [stdout] 1208 |           tap!($i, $name: call!($f) => $e);
[INFO] [stdout]      |                                           ^
[INFO] [stdout]      | 
[INFO] [stdout]     ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.13.1/src/expr.rs:1503:5
[INFO] [stdout]      |
[INFO] [stdout] 1503 | /     named!(trailer_expr(allow_struct: bool, allow_block: bool) -> Expr, do_parse!(
[INFO] [stdout] 1504 | |         mut e: call!(atom_expr, allow_struct, allow_block) >>
[INFO] [stdout] 1505 | |         many0!(alt!(
[INFO] [stdout] 1506 | |             tap!(args: and_call => {
[INFO] [stdout] ...    |
[INFO] [stdout] 1524 | |         (e)
[INFO] [stdout] 1525 | |     ));
[INFO] [stdout]      | |_______- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `tap` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.13.1/src/parsers.rs:1208:41
[INFO] [stdout]      |
[INFO] [stdout] 1208 |           tap!($i, $name: call!($f) => $e);
[INFO] [stdout]      |                                           ^
[INFO] [stdout]      | 
[INFO] [stdout]     ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.13.1/src/expr.rs:1503:5
[INFO] [stdout]      |
[INFO] [stdout] 1503 | /     named!(trailer_expr(allow_struct: bool, allow_block: bool) -> Expr, do_parse!(
[INFO] [stdout] 1504 | |         mut e: call!(atom_expr, allow_struct, allow_block) >>
[INFO] [stdout] 1505 | |         many0!(alt!(
[INFO] [stdout] 1506 | |             tap!(args: and_call => {
[INFO] [stdout] ...    |
[INFO] [stdout] 1524 | |         (e)
[INFO] [stdout] 1525 | |     ));
[INFO] [stdout]      | |_______- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `tap` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.13.1/src/parsers.rs:1297:31
[INFO] [stdout]      |
[INFO] [stdout] 1297 |           parens!($i, call!($f));
[INFO] [stdout]      |                                 ^
[INFO] [stdout]      | 
[INFO] [stdout]     ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.13.1/src/expr.rs:1694:5
[INFO] [stdout]      |
[INFO] [stdout] 1694 | /     named!(and_call -> (token::Paren, Punctuated<Expr, Token![,]>),
[INFO] [stdout] 1695 | |            parens!(Punctuated::parse_terminated));
[INFO] [stdout]      | |__________________________________________________- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `parens` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.13.1/src/parsers.rs:1369:31
[INFO] [stdout]      |
[INFO] [stdout] 1369 |           braces!($i, call!($f));
[INFO] [stdout]      |                                 ^
[INFO] [stdout]      | 
[INFO] [stdout]     ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.13.1/src/derive.rs:155:5
[INFO] [stdout]      |
[INFO] [stdout] 155  | /     named!(data_enum -> (Option<WhereClause>, token::Brace, Punctuated<Variant, Token![,]>), do_parse!(
[INFO] [stdout] 156  | |         wh: option!(syn!(WhereClause)) >>
[INFO] [stdout] 157  | |         data: braces!(Punctuated::parse_terminated) >>
[INFO] [stdout] 158  | |         (wh, data.0, data.1)
[INFO] [stdout] 159  | |     ));
[INFO] [stdout]      | |_______- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `braces` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.13.1/src/parsers.rs:1297:31
[INFO] [stdout]      |
[INFO] [stdout] 1297 |           parens!($i, call!($f));
[INFO] [stdout]      |                                 ^
[INFO] [stdout]      | 
[INFO] [stdout]     ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.13.1/src/ty.rs:438:9
[INFO] [stdout]      |
[INFO] [stdout] 438  | /         named!(parse -> Self, do_parse!(
[INFO] [stdout] 439  | |             data: parens!(Punctuated::parse_terminated) >>
[INFO] [stdout] 440  | |             (TypeTuple {
[INFO] [stdout] 441  | |                 paren_token: data.0,
[INFO] [stdout] 442  | |                 elems: data.1,
[INFO] [stdout] 443  | |             })
[INFO] [stdout] 444  | |         ));
[INFO] [stdout]      | |___________- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `parens` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.13.1/src/parsers.rs:1297:31
[INFO] [stdout]      |
[INFO] [stdout] 1297 |           parens!($i, call!($f));
[INFO] [stdout]      |                                 ^
[INFO] [stdout]      | 
[INFO] [stdout]     ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.13.1/src/path.rs:296:9
[INFO] [stdout]      |
[INFO] [stdout] 296  | /         named!(parse -> Self, do_parse!(
[INFO] [stdout] 297  | |             data: parens!(Punctuated::parse_terminated) >>
[INFO] [stdout] 298  | |             output: syn!(ReturnType) >>
[INFO] [stdout] 299  | |             (ParenthesizedGenericArguments {
[INFO] [stdout] ...    |
[INFO] [stdout] 303  | |             })
[INFO] [stdout] 304  | |         ));
[INFO] [stdout]      | |___________- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `parens` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling wayland-scanner v0.12.5
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling gl_generator v0.8.0
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]     Checking rusttype v0.4.3
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rulinalg v0.4.2
[INFO] [stderr]     Checking rayon v1.0.1
[INFO] [stderr]     Checking piston2d-graphics v0.26.0
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[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" "a73ec361eb0f9f1f94b0f4fbf0fbc26178522ddfe19cc28f4821dc40b91af559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a73ec361eb0f9f1f94b0f4fbf0fbc26178522ddfe19cc28f4821dc40b91af559", kill_on_drop: false }`
[INFO] [stdout] a73ec361eb0f9f1f94b0f4fbf0fbc26178522ddfe19cc28f4821dc40b91af559