[INFO] fetching crate is-macro 0.1.9...
[INFO] checking is-macro-0.1.9 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate is-macro 0.1.9 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate is-macro 0.1.9 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate is-macro 0.1.9
[INFO] finished tweaking crates.io crate is-macro 0.1.9
[INFO] tweaked toml for crates.io crate is-macro 0.1.9 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pmutil v0.5.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70a1485cd807345e0c62d2a6f7f140f12a6554714e2b6c63cdd0660d633368cd
[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" "70a1485cd807345e0c62d2a6f7f140f12a6554714e2b6c63cdd0660d633368cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70a1485cd807345e0c62d2a6f7f140f12a6554714e2b6c63cdd0660d633368cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70a1485cd807345e0c62d2a6f7f140f12a6554714e2b6c63cdd0660d633368cd", kill_on_drop: false }`
[INFO] [stdout] 70a1485cd807345e0c62d2a6f7f140f12a6554714e2b6c63cdd0660d633368cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f093bfe769784bc1e5ab0a46ff1f2d90b013683391b835a0c01fc9d845f62eba
[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" "f093bfe769784bc1e5ab0a46ff1f2d90b013683391b835a0c01fc9d845f62eba", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking syn v1.0.82
[INFO] [stderr]     Checking pmutil v0.5.3
[INFO] [stderr]     Checking is-macro v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/lib.rs:157:75
[INFO] [stdout]     |
[INFO] [stdout] 157 |                   "Returns `true` if `self` is of variant [`{variant}`].\n\n\
[INFO] [stdout]     |  ___________________________________________________________________________^
[INFO] [stdout] 158 | |
[INFO] [stdout] 159 | |                 [`{variant}`]: #variant.{variant}",
[INFO] [stdout]     | |________________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/lib.rs:194:79
[INFO] [stdout]     |
[INFO] [stdout] 194 |                   "Unwraps the value, yielding the content of [`{variant}`].\n\n\
[INFO] [stdout]     |  _______________________________________________________________________________^
[INFO] [stdout] 195 | |
[INFO] [stdout] 196 | |                 # Panics\n\n\
[INFO] [stdout]     | |________________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/lib.rs:196:29
[INFO] [stdout]     |
[INFO] [stdout] 196 |                   # Panics\n\n\
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 197 | |
[INFO] [stdout] 198 | |                 Panics if the value is not [`{variant}`], with a panic message including \
[INFO] [stdout]     | |________________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/lib.rs:199:43
[INFO] [stdout]     |
[INFO] [stdout] 199 |                   the content of `self`.\n\n\
[INFO] [stdout]     |  ___________________________________________^
[INFO] [stdout] 200 | |
[INFO] [stdout] 201 | |                 [`{variant}`]: #variant.{variant}",
[INFO] [stdout]     | |________________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/lib.rs:205:97
[INFO] [stdout]     |
[INFO] [stdout] 205 |                   "Returns `Some` if `self` is of variant [`{variant}`], and `None` otherwise.\n\n\
[INFO] [stdout]     |  _________________________________________________________________________________________________^
[INFO] [stdout] 206 | |
[INFO] [stdout] 207 | |                 [`{variant}`]: #variant.{variant}",
[INFO] [stdout]     | |________________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/lib.rs:157:75
[INFO] [stdout]     |
[INFO] [stdout] 157 |                   "Returns `true` if `self` is of variant [`{variant}`].\n\n\
[INFO] [stdout]     |  ___________________________________________________________________________^
[INFO] [stdout] 158 | |
[INFO] [stdout] 159 | |                 [`{variant}`]: #variant.{variant}",
[INFO] [stdout]     | |________________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/lib.rs:194:79
[INFO] [stdout]     |
[INFO] [stdout] 194 |                   "Unwraps the value, yielding the content of [`{variant}`].\n\n\
[INFO] [stdout]     |  _______________________________________________________________________________^
[INFO] [stdout] 195 | |
[INFO] [stdout] 196 | |                 # Panics\n\n\
[INFO] [stdout]     | |________________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/lib.rs:196:29
[INFO] [stdout]     |
[INFO] [stdout] 196 |                   # Panics\n\n\
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 197 | |
[INFO] [stdout] 198 | |                 Panics if the value is not [`{variant}`], with a panic message including \
[INFO] [stdout]     | |________________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/lib.rs:199:43
[INFO] [stdout]     |
[INFO] [stdout] 199 |                   the content of `self`.\n\n\
[INFO] [stdout]     |  ___________________________________________^
[INFO] [stdout] 200 | |
[INFO] [stdout] 201 | |                 [`{variant}`]: #variant.{variant}",
[INFO] [stdout]     | |________________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/lib.rs:205:97
[INFO] [stdout]     |
[INFO] [stdout] 205 |                   "Returns `Some` if `self` is of variant [`{variant}`], and `None` otherwise.\n\n\
[INFO] [stdout]     |  _________________________________________________________________________________________________^
[INFO] [stdout] 206 | |
[INFO] [stdout] 207 | |                 [`{variant}`]: #variant.{variant}",
[INFO] [stdout]     | |________________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/lib.rs:157:75
[INFO] [stdout]     |
[INFO] [stdout] 157 |                   "Returns `true` if `self` is of variant [`{variant}`].\n\n\
[INFO] [stdout]     |  ___________________________________________________________________________^
[INFO] [stdout] 158 | |
[INFO] [stdout] 159 | |                 [`{variant}`]: #variant.{variant}",
[INFO] [stdout]     | |________________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/lib.rs:194:79
[INFO] [stdout]     |
[INFO] [stdout] 194 |                   "Unwraps the value, yielding the content of [`{variant}`].\n\n\
[INFO] [stdout]     |  _______________________________________________________________________________^
[INFO] [stdout] 195 | |
[INFO] [stdout] 196 | |                 # Panics\n\n\
[INFO] [stdout]     | |________________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/lib.rs:196:29
[INFO] [stdout]     |
[INFO] [stdout] 196 |                   # Panics\n\n\
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 197 | |
[INFO] [stdout] 198 | |                 Panics if the value is not [`{variant}`], with a panic message including \
[INFO] [stdout]     | |________________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/lib.rs:199:43
[INFO] [stdout]     |
[INFO] [stdout] 199 |                   the content of `self`.\n\n\
[INFO] [stdout]     |  ___________________________________________^
[INFO] [stdout] 200 | |
[INFO] [stdout] 201 | |                 [`{variant}`]: #variant.{variant}",
[INFO] [stdout]     | |________________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/lib.rs:205:97
[INFO] [stdout]     |
[INFO] [stdout] 205 |                   "Returns `Some` if `self` is of variant [`{variant}`], and `None` otherwise.\n\n\
[INFO] [stdout]     |  _________________________________________________________________________________________________^
[INFO] [stdout] 206 | |
[INFO] [stdout] 207 | |                 [`{variant}`]: #variant.{variant}",
[INFO] [stdout]     | |________________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.64s
[INFO] running `Command { std: "docker" "inspect" "f093bfe769784bc1e5ab0a46ff1f2d90b013683391b835a0c01fc9d845f62eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f093bfe769784bc1e5ab0a46ff1f2d90b013683391b835a0c01fc9d845f62eba", kill_on_drop: false }`
[INFO] [stdout] f093bfe769784bc1e5ab0a46ff1f2d90b013683391b835a0c01fc9d845f62eba