[INFO] fetching crate rust-mp4 0.1.0...
[INFO] documenting rust-mp4-0.1.0 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate rust-mp4 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rust-mp4 0.1.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-mp4 0.1.0
[INFO] finished tweaking crates.io crate rust-mp4 0.1.0
[INFO] tweaked toml for crates.io crate rust-mp4 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7507882192c696b34bee81e2b614112b9873e24e815e6a511a215583e9b59583
[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" "7507882192c696b34bee81e2b614112b9873e24e815e6a511a215583e9b59583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7507882192c696b34bee81e2b614112b9873e24e815e6a511a215583e9b59583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7507882192c696b34bee81e2b614112b9873e24e815e6a511a215583e9b59583", kill_on_drop: false }`
[INFO] [stdout] 7507882192c696b34bee81e2b614112b9873e24e815e6a511a215583e9b59583
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c0462e11f487244b50c623a464c15e739a25263a5da84a7218428c4f58bf36a
[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" "1c0462e11f487244b50c623a464c15e739a25263a5da84a7218428c4f58bf36a", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-mp4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting rust-mp4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/atom/mod.rs:377:17
[INFO] [stdout]     |
[INFO] [stdout] 377 |         assert!((self.atom_size - self.header_size) >= 0);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/atom/mod.rs:386:17
[INFO] [stdout]     |
[INFO] [stdout] 386 |         assert!((self.atom_size - self.header_size) >= 0);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/atom/mod.rs:398:17
[INFO] [stdout]     |
[INFO] [stdout] 398 |         assert!((self.atom_size - self.header_size) >= 0);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/atom/mod.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 | /         `size` is an integer that specifies the number of bytes in this box, 
[INFO] [stdout] 238 | |             including all its fields and contained boxes; if size is 1 then the actual size is 
[INFO] [stdout] 239 | |             in the field largesize; if size is 0, then this box is the last one in the file, 
[INFO] [stdout] 240 | |             and its contents extend to the end of the file (normally only used for a Media Data Box)
[INFO] [stdout] ...   |
[INFO] [stdout] 243 | |             and is shown so in the boxes below. User extensions use an extended type; in this case, 
[INFO] [stdout] 244 | |             the type field is set to ‘uuid’.
[INFO] [stdout]     | |____________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2018}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2019}
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/atom/meco.rs:86:5
[INFO] [stdout]     |
[INFO] [stdout] 86  | /     When interpreting data that is in the context of a meta-box (i.e. the file for a file-level meta-box, 
[INFO] [stdout] 87  | |     the presentation for a movie-level meta-box, or the track for a track-level meta-box), 
[INFO] [stdout] 88  | |     the items in the meta-box are treated as shadowing files in the same location as that from which 
[INFO] [stdout] 89  | |     the container file came. This shadowing means that a reference to another file in the same location 
[INFO] [stdout] ...   |
[INFO] [stdout] 110 | |     a named item (and hence shadowing a separate file of this name), and then if it is not, fetches flower.gif 
[INFO] [stdout] 111 | |     from a.com.
[INFO] [stdout]     | |_______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{201c}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{201d}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{201c}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{201d}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{201c}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{201d}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{201c}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{201d}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{201c}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{201d}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{201c}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{201d}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{201c}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{201d}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{201c}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{201d}
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/atom/meco.rs:138:5
[INFO] [stdout]     |
[INFO] [stdout] 138 | /     1) The handler-type is ‘mp7t’ for textual metadata in Unicode format;
[INFO] [stdout] 139 | |     2) The handler-type is ‘mp7b’ for binary metadata compressed in the BIM format. 
[INFO] [stdout] 140 | |         In this case, the binary XML box contains the configuration information 
[INFO] [stdout] 141 | |         immediately followed by the binarized XML.
[INFO] [stdout] ...   |
[INFO] [stdout] 148 | |     5) If an MPEG-7 box is used at the file level, then the brand ‘mp71’ should be a member of 
[INFO] [stdout] 149 | |         the compatible-brands list in the file-type box.
[INFO] [stdout]     | |________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2018}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2019}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2018}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2019}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2018}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2019}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2018}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2019}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2018}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2019}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2018}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2019}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2018}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2019}
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.46s
[INFO] running `Command { std: "docker" "inspect" "1c0462e11f487244b50c623a464c15e739a25263a5da84a7218428c4f58bf36a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c0462e11f487244b50c623a464c15e739a25263a5da84a7218428c4f58bf36a", kill_on_drop: false }`
[INFO] [stdout] 1c0462e11f487244b50c623a464c15e739a25263a5da84a7218428c4f58bf36a
