[INFO] cloning repository https://github.com/dat2/ecmascript
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dat2/ecmascript" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdat2%2Fecmascript", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdat2%2Fecmascript'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 48d87475f7c2f9955486293f08b9c5dd6158e48a
[INFO] documenting dat2/ecmascript against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdat2%2Fecmascript" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dat2/ecmascript on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dat2/ecmascript
[INFO] finished tweaking git repo https://github.com/dat2/ecmascript
[INFO] tweaked toml for git repo https://github.com/dat2/ecmascript written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/dat2/ecmascript already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c2f843524e5b5b770b1707fcd2c11c24338806659061a81a4696f679b2263632
[INFO] running `Command { std: "docker" "start" "-a" "c2f843524e5b5b770b1707fcd2c11c24338806659061a81a4696f679b2263632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2f843524e5b5b770b1707fcd2c11c24338806659061a81a4696f679b2263632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2f843524e5b5b770b1707fcd2c11c24338806659061a81a4696f679b2263632", kill_on_drop: false }`
[INFO] [stdout] c2f843524e5b5b770b1707fcd2c11c24338806659061a81a4696f679b2263632
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "RUSTDOCFLAGS=--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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7e281a2e50b850ad5b5a5d57dd8c3323f9dd96e538217b236e3d4addd94570fe
[INFO] running `Command { std: "docker" "start" "-a" "7e281a2e50b850ad5b5a5d57dd8c3323f9dd96e538217b236e3d4addd94570fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking rustc-demangle v0.1.8
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking serde_json v1.0.22
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking combine v3.3.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]     Checking backtrace v0.3.8
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]     Checking ecmascript v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting ecmascript v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/parser.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | / /// This parser will consume all following whitespace tokens, including line terminators.
[INFO] [stdout] 34 | | /// [Reference](https://www.ecma-international.org/ecma-262/9.0/index.html#sec-white-space)
[INFO] [stdout]    | |_------------------------------------------------------------------------------------------^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/parser.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 43 | / /// This parser will consume a single line terminator sequence token. This parser is only needed for the
[INFO] [stdout] 44 | | /// line_comment parser as it will consume up to a single line terminator token.
[INFO] [stdout] 45 | | /// [Reference](https://www.ecma-international.org/ecma-262/9.0/index.html#sec-line-terminators)
[INFO] [stdout]    | |_-----------------------------------------------------------------------------------------------^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/parser.rs:69:1
[INFO] [stdout]    |
[INFO] [stdout] 69 | / /// This parses a multiline comment, starting with /* and ending with */.
[INFO] [stdout] 70 | | /// It will consume the input and return ().
[INFO] [stdout]    | |_-------------------------------------------^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/parser.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 | /// This parses
[INFO] [stdout]    | ^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]    --> src/parser.rs:225:9
[INFO] [stdout]     |
[INFO] [stdout] 225 |         { ["enum"].iter().cloned().collect() };
[INFO] [stdout]     |         ^^                                  ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 225 -         { ["enum"].iter().cloned().collect() };
[INFO] [stdout] 225 +         ["enum"].iter().cloned().collect();
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]    --> src/parser.rs:225:9
[INFO] [stdout]     |
[INFO] [stdout] 225 |         { ["enum"].iter().cloned().collect() };
[INFO] [stdout]     |         ^^                                  ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 225 -         { ["enum"].iter().cloned().collect() };
[INFO] [stdout] 225 +         ["enum"].iter().cloned().collect();
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/parser.rs:182:1
[INFO] [stdout]     |
[INFO] [stdout] 182 | / lazy_static! {
[INFO] [stdout] 183 | |     pub(crate) static ref KEYWORDS: HashSet<&'static str> = {
[INFO] [stdout] 184 | |         [
[INFO] [stdout] 185 | |             "await",
[INFO] [stdout] ...   |
[INFO] [stdout] 238 | |     };
[INFO] [stdout] 239 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/parser.rs:182:1
[INFO] [stdout]     |
[INFO] [stdout] 182 | / lazy_static! {
[INFO] [stdout] 183 | |     pub(crate) static ref KEYWORDS: HashSet<&'static str> = {
[INFO] [stdout] 184 | |         [
[INFO] [stdout] 185 | |             "await",
[INFO] [stdout] ...   |
[INFO] [stdout] 238 | |     };
[INFO] [stdout] 239 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/parser.rs:182:1
[INFO] [stdout]     |
[INFO] [stdout] 182 | / lazy_static! {
[INFO] [stdout] 183 | |     pub(crate) static ref KEYWORDS: HashSet<&'static str> = {
[INFO] [stdout] 184 | |         [
[INFO] [stdout] 185 | |             "await",
[INFO] [stdout] ...   |
[INFO] [stdout] 238 | |     };
[INFO] [stdout] 239 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (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] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.63s
[INFO] running `Command { std: "docker" "inspect" "7e281a2e50b850ad5b5a5d57dd8c3323f9dd96e538217b236e3d4addd94570fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e281a2e50b850ad5b5a5d57dd8c3323f9dd96e538217b236e3d4addd94570fe", kill_on_drop: false }`
[INFO] [stdout] 7e281a2e50b850ad5b5a5d57dd8c3323f9dd96e538217b236e3d4addd94570fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 72e8c85a4244c01f28f1f9cc5c9f8dc78cc49173acace8b1433f6af3736e6125
[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" "72e8c85a4244c01f28f1f9cc5c9f8dc78cc49173acace8b1433f6af3736e6125", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking rustc-demangle v0.1.8
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]     Checking itoa v0.4.2
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking combine v3.3.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]     Checking backtrace v0.3.8
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]     Checking serde_json v1.0.22
[INFO] [stderr]  Documenting ecmascript v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]    --> src/parser.rs:225:9
[INFO] [stdout]     |
[INFO] [stdout] 225 |         { ["enum"].iter().cloned().collect() };
[INFO] [stdout]     |         ^^                                  ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 225 -         { ["enum"].iter().cloned().collect() };
[INFO] [stdout] 225 +         ["enum"].iter().cloned().collect();
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.20s
[INFO] running `Command { std: "docker" "inspect" "72e8c85a4244c01f28f1f9cc5c9f8dc78cc49173acace8b1433f6af3736e6125", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72e8c85a4244c01f28f1f9cc5c9f8dc78cc49173acace8b1433f6af3736e6125", kill_on_drop: false }`
[INFO] [stdout] 72e8c85a4244c01f28f1f9cc5c9f8dc78cc49173acace8b1433f6af3736e6125