[INFO] fetching crate grcov 0.8.2...
[INFO] checking grcov-0.8.2 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate grcov 0.8.2 into /workspace/builds/worker-65/source
[INFO] validating manifest of crates.io crate grcov 0.8.2 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-65/source/.cargo/config
[INFO] started tweaking crates.io crate grcov 0.8.2
[INFO] finished tweaking crates.io crate grcov 0.8.2
[INFO] tweaked toml for crates.io crate grcov 0.8.2 written to /workspace/builds/worker-65/source/Cargo.toml
[INFO] crate crates.io crate grcov 0.8.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14ec8e22a44d2590786bd616cefa8c123e315ee83e5fe315ca409d216b734c5e
[INFO] running `Command { std: "docker" "start" "-a" "14ec8e22a44d2590786bd616cefa8c123e315ee83e5fe315ca409d216b734c5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14ec8e22a44d2590786bd616cefa8c123e315ee83e5fe315ca409d216b734c5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14ec8e22a44d2590786bd616cefa8c123e315ee83e5fe315ca409d216b734c5e", kill_on_drop: false }`
[INFO] [stdout] 14ec8e22a44d2590786bd616cefa8c123e315ee83e5fe315ca409d216b734c5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13b7767cbf04f16a10a3a8bc2d24c9104cbae30976018b15fdf92d27211e955c
[INFO] running `Command { std: "docker" "start" "-a" "13b7767cbf04f16a10a3a8bc2d24c9104cbae30976018b15fdf92d27211e955c", kill_on_drop: false }`
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[INFO] [stderr]    Compiling syn v1.0.73
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[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/parser.rs:82:42
[INFO] [stdout]     |
[INFO] [stdout] 82  |         try_parse!(try_next!($v, $l), $l);
[INFO] [stdout]     |                                          ^
[INFO] [stdout] ...
[INFO] [stdout] 470 |                 let start = try_parse_next!(f_splits, l);
[INFO] [stdout]     |                             ---------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `try_parse_next` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/parser.rs:82:42
[INFO] [stdout]     |
[INFO] [stdout] 82  |         try_parse!(try_next!($v, $l), $l);
[INFO] [stdout]     |                                          ^
[INFO] [stdout] ...
[INFO] [stdout] 477 |                 let line_no = try_parse_next!(values, l);
[INFO] [stdout]     |                               -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `try_parse_next` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/parser.rs:82:42
[INFO] [stdout]     |
[INFO] [stdout] 82  |         try_parse!(try_next!($v, $l), $l);
[INFO] [stdout]     |                                          ^
[INFO] [stdout] ...
[INFO] [stdout] 487 |                 let line_no = try_parse_next!(values, l);
[INFO] [stdout]     |                               -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `try_parse_next` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/parser.rs:82:42
[INFO] [stdout]     |
[INFO] [stdout] 82  |         try_parse!(try_next!($v, $l), $l);
[INFO] [stdout]     |                                          ^
[INFO] [stdout] ...
[INFO] [stdout] 470 |                 let start = try_parse_next!(f_splits, l);
[INFO] [stdout]     |                             ---------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `try_parse_next` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/parser.rs:82:42
[INFO] [stdout]     |
[INFO] [stdout] 82  |         try_parse!(try_next!($v, $l), $l);
[INFO] [stdout]     |                                          ^
[INFO] [stdout] ...
[INFO] [stdout] 477 |                 let line_no = try_parse_next!(values, l);
[INFO] [stdout]     |                               -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `try_parse_next` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/parser.rs:82:42
[INFO] [stdout]     |
[INFO] [stdout] 82  |         try_parse!(try_next!($v, $l), $l);
[INFO] [stdout]     |                                          ^
[INFO] [stdout] ...
[INFO] [stdout] 487 |                 let line_no = try_parse_next!(values, l);
[INFO] [stdout]     |                               -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `try_parse_next` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.62s
[INFO] running `Command { std: "docker" "inspect" "13b7767cbf04f16a10a3a8bc2d24c9104cbae30976018b15fdf92d27211e955c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13b7767cbf04f16a10a3a8bc2d24c9104cbae30976018b15fdf92d27211e955c", kill_on_drop: false }`
[INFO] [stdout] 13b7767cbf04f16a10a3a8bc2d24c9104cbae30976018b15fdf92d27211e955c
