[INFO] fetching crate rs-data-formats 0.2.5...
[INFO] checking rs-data-formats-0.2.5 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate rs-data-formats 0.2.5 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rs-data-formats 0.2.5 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 rs-data-formats 0.2.5
[INFO] finished tweaking crates.io crate rs-data-formats 0.2.5
[INFO] tweaked toml for crates.io crate rs-data-formats 0.2.5 written to /workspace/builds/worker-1/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] [stderr]     Blocking waiting for file lock on package cache
[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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 5110e35dc6b0e2a36ba948b6218180fc693ff514c4e439f30e79287515811243
[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" "5110e35dc6b0e2a36ba948b6218180fc693ff514c4e439f30e79287515811243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5110e35dc6b0e2a36ba948b6218180fc693ff514c4e439f30e79287515811243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5110e35dc6b0e2a36ba948b6218180fc693ff514c4e439f30e79287515811243", kill_on_drop: false }`
[INFO] [stdout] 5110e35dc6b0e2a36ba948b6218180fc693ff514c4e439f30e79287515811243
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 51f1b34f94ccaa5cddc613574b0bf93cbc0f06ea3d11752a4159cc2c06fa9642
[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" "51f1b34f94ccaa5cddc613574b0bf93cbc0f06ea3d11752a4159cc2c06fa9642", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling erased-serde v0.3.16
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking bimap v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.14.9/src/parsers.rs:1200:41
[INFO] [stdout]      |
[INFO] [stdout] 1200 |           tap!($i, $name: call!($f) => $e);
[INFO] [stdout]      |                                           ^
[INFO] [stdout]      | 
[INFO] [stdout]     ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.14.9/src/expr.rs:1531:5
[INFO] [stdout]      |
[INFO] [stdout] 1531 | /     named!(trailer_expr(allow_struct: bool, allow_block: bool) -> Expr, do_parse!(
[INFO] [stdout] 1532 | |         mut e: call!(atom_expr, allow_struct, allow_block) >>
[INFO] [stdout] 1533 | |         many0!(alt!(
[INFO] [stdout] 1534 | |             tap!(args: and_call => {
[INFO] [stdout] ...    |
[INFO] [stdout] 1562 | |         (e)
[INFO] [stdout] 1563 | |     ));
[INFO] [stdout]      | |_______- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `tap` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.14.9/src/parsers.rs:1200:41
[INFO] [stdout]      |
[INFO] [stdout] 1200 |           tap!($i, $name: call!($f) => $e);
[INFO] [stdout]      |                                           ^
[INFO] [stdout]      | 
[INFO] [stdout]     ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.14.9/src/expr.rs:1531:5
[INFO] [stdout]      |
[INFO] [stdout] 1531 | /     named!(trailer_expr(allow_struct: bool, allow_block: bool) -> Expr, do_parse!(
[INFO] [stdout] 1532 | |         mut e: call!(atom_expr, allow_struct, allow_block) >>
[INFO] [stdout] 1533 | |         many0!(alt!(
[INFO] [stdout] 1534 | |             tap!(args: and_call => {
[INFO] [stdout] ...    |
[INFO] [stdout] 1562 | |         (e)
[INFO] [stdout] 1563 | |     ));
[INFO] [stdout]      | |_______- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `tap` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.14.9/src/parsers.rs:1200:41
[INFO] [stdout]      |
[INFO] [stdout] 1200 |           tap!($i, $name: call!($f) => $e);
[INFO] [stdout]      |                                           ^
[INFO] [stdout]      | 
[INFO] [stdout]     ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.14.9/src/expr.rs:1531:5
[INFO] [stdout]      |
[INFO] [stdout] 1531 | /     named!(trailer_expr(allow_struct: bool, allow_block: bool) -> Expr, do_parse!(
[INFO] [stdout] 1532 | |         mut e: call!(atom_expr, allow_struct, allow_block) >>
[INFO] [stdout] 1533 | |         many0!(alt!(
[INFO] [stdout] 1534 | |             tap!(args: and_call => {
[INFO] [stdout] ...    |
[INFO] [stdout] 1562 | |         (e)
[INFO] [stdout] 1563 | |     ));
[INFO] [stdout]      | |_______- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `tap` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.14.9/src/parsers.rs:1341:31
[INFO] [stdout]      |
[INFO] [stdout] 1341 |           parens!($i, call!($f));
[INFO] [stdout]      |                                 ^
[INFO] [stdout]      | 
[INFO] [stdout]     ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.14.9/src/expr.rs:1785:5
[INFO] [stdout]      |
[INFO] [stdout] 1785 | /     named!(and_call -> (token::Paren, Punctuated<Expr, Token![,]>),
[INFO] [stdout] 1786 | |         parens!(Punctuated::parse_terminated)
[INFO] [stdout] 1787 | |     );
[INFO] [stdout]      | |______- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `parens` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.14.9/src/parsers.rs:1413:31
[INFO] [stdout]      |
[INFO] [stdout] 1413 |           braces!($i, call!($f));
[INFO] [stdout]      |                                 ^
[INFO] [stdout]      | 
[INFO] [stdout]     ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.14.9/src/derive.rs:181:5
[INFO] [stdout]      |
[INFO] [stdout] 181  | /     named!(data_enum -> (Option<WhereClause>, token::Brace, Punctuated<Variant, Token![,]>), do_parse!(
[INFO] [stdout] 182  | |         wh: option!(syn!(WhereClause)) >>
[INFO] [stdout] 183  | |         data: braces!(Punctuated::parse_terminated) >>
[INFO] [stdout] 184  | |         (wh, data.0, data.1)
[INFO] [stdout] 185  | |     ));
[INFO] [stdout]      | |_______- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `braces` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.14.9/src/parsers.rs:1341:31
[INFO] [stdout]      |
[INFO] [stdout] 1341 |           parens!($i, call!($f));
[INFO] [stdout]      |                                 ^
[INFO] [stdout]      | 
[INFO] [stdout]     ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.14.9/src/ty.rs:439:9
[INFO] [stdout]      |
[INFO] [stdout] 439  | /         named!(parse -> Self, do_parse!(
[INFO] [stdout] 440  | |             data: parens!(Punctuated::parse_terminated) >>
[INFO] [stdout] 441  | |             (TypeTuple {
[INFO] [stdout] 442  | |                 paren_token: data.0,
[INFO] [stdout] 443  | |                 elems: data.1,
[INFO] [stdout] 444  | |             })
[INFO] [stdout] 445  | |         ));
[INFO] [stdout]      | |___________- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `parens` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.14.9/src/parsers.rs:1341:31
[INFO] [stdout]      |
[INFO] [stdout] 1341 |           parens!($i, call!($f));
[INFO] [stdout]      |                                 ^
[INFO] [stdout]      | 
[INFO] [stdout]     ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.14.9/src/path.rs:298:9
[INFO] [stdout]      |
[INFO] [stdout] 298  | /         named!(parse -> Self, do_parse!(
[INFO] [stdout] 299  | |             data: parens!(Punctuated::parse_terminated) >>
[INFO] [stdout] 300  | |             output: call!(ReturnType::without_plus) >>
[INFO] [stdout] 301  | |             (ParenthesizedGenericArguments {
[INFO] [stdout] ...    |
[INFO] [stdout] 305  | |             })
[INFO] [stdout] 306  | |         ));
[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 rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stdout] error: aborting due to 7 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" "51f1b34f94ccaa5cddc613574b0bf93cbc0f06ea3d11752a4159cc2c06fa9642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51f1b34f94ccaa5cddc613574b0bf93cbc0f06ea3d11752a4159cc2c06fa9642", kill_on_drop: false }`
[INFO] [stdout] 51f1b34f94ccaa5cddc613574b0bf93cbc0f06ea3d11752a4159cc2c06fa9642