[INFO] fetching crate json_comments 0.2.0...
[INFO] testing json_comments-0.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate json_comments 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate json_comments 0.2.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate json_comments 0.2.0
[INFO] finished tweaking crates.io crate json_comments 0.2.0
[INFO] tweaked toml for crates.io crate json_comments 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1979ab6ed429bf031ca486d6a43442913191b4d327bec3a822389c6dabd0fe9
[INFO] running `Command { std: "docker" "start" "-a" "b1979ab6ed429bf031ca486d6a43442913191b4d327bec3a822389c6dabd0fe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1979ab6ed429bf031ca486d6a43442913191b4d327bec3a822389c6dabd0fe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1979ab6ed429bf031ca486d6a43442913191b4d327bec3a822389c6dabd0fe9", kill_on_drop: false }`
[INFO] [stdout] b1979ab6ed429bf031ca486d6a43442913191b4d327bec3a822389c6dabd0fe9
[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=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-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 714ffaa8cc0242bd7acc8a2d721c4cd4fedccc0c2c82747e52e97f4482151247
[INFO] running `Command { std: "docker" "start" "-a" "714ffaa8cc0242bd7acc8a2d721c4cd4fedccc0c2c82747e52e97f4482151247", kill_on_drop: false }`
[INFO] [stderr]    Compiling json_comments v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:106:50
[INFO] [stdout]     |
[INFO] [stdout] 106 |         return Err(ErrorKind::InvalidData.into());
[INFO] [stdout]     |                                                  ^
[INFO] [stdout] ...
[INFO] [stdout] 162 |         _ => invalid_data!(),
[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 `invalid_data` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "714ffaa8cc0242bd7acc8a2d721c4cd4fedccc0c2c82747e52e97f4482151247", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "714ffaa8cc0242bd7acc8a2d721c4cd4fedccc0c2c82747e52e97f4482151247", kill_on_drop: false }`
[INFO] [stdout] 714ffaa8cc0242bd7acc8a2d721c4cd4fedccc0c2c82747e52e97f4482151247
[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=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-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c92be2a80c448ce33a039bdf91f336c1b8ce1439a767f0d40949eceda41db766
[INFO] running `Command { std: "docker" "start" "-a" "c92be2a80c448ce33a039bdf91f336c1b8ce1439a767f0d40949eceda41db766", kill_on_drop: false }`
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:106:50
[INFO] [stdout]     |
[INFO] [stdout] 106 |         return Err(ErrorKind::InvalidData.into());
[INFO] [stdout]     |                                                  ^
[INFO] [stdout] ...
[INFO] [stdout] 162 |         _ => invalid_data!(),
[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 `invalid_data` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling json_comments v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:106:50
[INFO] [stdout]     |
[INFO] [stdout] 106 |         return Err(ErrorKind::InvalidData.into());
[INFO] [stdout]     |                                                  ^
[INFO] [stdout] ...
[INFO] [stdout] 162 |         _ => invalid_data!(),
[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 `invalid_data` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "c92be2a80c448ce33a039bdf91f336c1b8ce1439a767f0d40949eceda41db766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c92be2a80c448ce33a039bdf91f336c1b8ce1439a767f0d40949eceda41db766", kill_on_drop: false }`
[INFO] [stdout] c92be2a80c448ce33a039bdf91f336c1b8ce1439a767f0d40949eceda41db766
[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=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-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] af337adeeee513eee01531d6f29bf454b2c085071b248d2a70026bd7377a807c
[INFO] running `Command { std: "docker" "start" "-a" "af337adeeee513eee01531d6f29bf454b2c085071b248d2a70026bd7377a807c", 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] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> src/lib.rs:106:50
[INFO] [stderr]     |
[INFO] [stderr] 106 |         return Err(ErrorKind::InvalidData.into());
[INFO] [stderr]     |                                                  ^
[INFO] [stderr] ...
[INFO] [stderr] 162 |         _ => invalid_data!(),
[INFO] [stderr]     |              --------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: this warning originates in the macro `invalid_data` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `json_comments` (lib) generated 1 warning
[INFO] [stderr] warning: `json_comments` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/json_comments-44205c2c925179f1)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::block_comments ... ok
[INFO] [stdout] test tests::incomplete_comment ... ok
[INFO] [stdout] test tests::incomplete_comment2 ... ok
[INFO] [stdout] test tests::incomplete_string ... ok
[INFO] [stdout] test tests::line_comments ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests json_comments
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - StripComments (line 68) ... ok
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.87s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "af337adeeee513eee01531d6f29bf454b2c085071b248d2a70026bd7377a807c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af337adeeee513eee01531d6f29bf454b2c085071b248d2a70026bd7377a807c", kill_on_drop: false }`
[INFO] [stdout] af337adeeee513eee01531d6f29bf454b2c085071b248d2a70026bd7377a807c