[INFO] fetching crate lcs-png-diff 0.1.0...
[INFO] documenting lcs-png-diff-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate lcs-png-diff 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate lcs-png-diff 0.1.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lcs-png-diff 0.1.0
[INFO] finished tweaking crates.io crate lcs-png-diff 0.1.0
[INFO] tweaked toml for crates.io crate lcs-png-diff 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate lcs-png-diff 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded rusty_pool v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a847b9cd285ae2bd7e343cb782c2be9287a61afc882caeb823795d43ecf7258
[INFO] running `Command { std: "docker" "start" "-a" "0a847b9cd285ae2bd7e343cb782c2be9287a61afc882caeb823795d43ecf7258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a847b9cd285ae2bd7e343cb782c2be9287a61afc882caeb823795d43ecf7258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a847b9cd285ae2bd7e343cb782c2be9287a61afc882caeb823795d43ecf7258", kill_on_drop: false }`
[INFO] [stdout] 0a847b9cd285ae2bd7e343cb782c2be9287a61afc882caeb823795d43ecf7258
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c2b14351b3c420a0a8a7a9807e5f6585a342b40127f6c82502b708989e2c098
[INFO] running `Command { std: "docker" "start" "-a" "1c2b14351b3c420a0a8a7a9807e5f6585a342b40127f6c82502b708989e2c098", kill_on_drop: false }`
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `lcs-png-diff` in package `lcs-png-diff v0.1.0 (/opt/rustwide/workdir)` has the same output filename as the lib target `lcs_png_diff` in package `lcs-png-diff v0.1.0 (/opt/rustwide/workdir)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/doc/lcs_png_diff/index.html
[INFO] [stderr] The output filenames should be unique.
[INFO] [stderr] This is a known bug where multiple crates with the same name use
[INFO] [stderr] the same path; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] If this looks unexpected, it may be a bug in Cargo. Please file a bug report at
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/ with as much information as you
[INFO] [stderr] can provide.
[INFO] [stderr] cargo 1.61.0 (a028ae4 2022-04-29) running on `x86_64-unknown-linux-gnu` target `x86_64-unknown-linux-gnu`
[INFO] [stderr] First unit: Unit { pkg: Package { id: PackageId { name: "lcs-png-diff", version: "0.1.0", source: "/opt/rustwide/workdir" }, ..: ".." }, target: TargetInner { name: "lcs-png-diff", required_features: Some(["binary"]), doc: true, ..: with_path("/opt/rustwide/workdir/src/main.rs", Edition2021) }, profile: Profile { incremental: false, ..: default_dev() }, kind: Host, mode: Doc { deps: false }, features: ["all_image_formats", "binary", "default"], artifact: false, is_std: false, dep_hash: 17093898572000032284 }
[INFO] [stderr] Second unit: Unit { pkg: Package { id: PackageId { name: "lcs-png-diff", version: "0.1.0", source: "/opt/rustwide/workdir" }, ..: ".." }, target: TargetInner { ..: lib_target("lcs_png_diff", ["lib"], "/opt/rustwide/workdir/src/lib.rs", Edition2021) }, profile: Profile { incremental: false, ..: default_dev() }, kind: Host, mode: Doc { deps: false }, features: ["all_image_formats", "binary", "default"], artifact: false, is_std: false, dep_hash: 17807598203091429881 }
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking deflate v1.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking png v0.17.5
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking rusty_pool v0.7.0
[INFO] [stderr]     Checking image v0.24.2
[INFO] [stderr]    Compiling clap_derive v3.1.7
[INFO] [stderr]     Checking clap v3.1.17
[INFO] [stderr]     Checking lcs-png-diff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting lcs-png-diff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.71s
[INFO] running `Command { std: "docker" "inspect" "1c2b14351b3c420a0a8a7a9807e5f6585a342b40127f6c82502b708989e2c098", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c2b14351b3c420a0a8a7a9807e5f6585a342b40127f6c82502b708989e2c098", kill_on_drop: false }`
[INFO] [stdout] 1c2b14351b3c420a0a8a7a9807e5f6585a342b40127f6c82502b708989e2c098
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 6c33938eedc4033f4f67fc35fd2800d0a10b2f4849b4c0e3da8f8480dc46b966
[INFO] running `Command { std: "docker" "start" "-a" "6c33938eedc4033f4f67fc35fd2800d0a10b2f4849b4c0e3da8f8480dc46b966", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking deflate v1.0.0
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking png v0.17.5
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking rusty_pool v0.7.0
[INFO] [stderr]     Checking image v0.24.2
[INFO] [stdout] error[E0277]: the trait bound `proc_macro2::Span: From<proc_macro::Span>` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro-error-1.0.4/src/lib.rs:549:37
[INFO] [stdout]     |
[INFO] [stdout] 549 |                 first: self.clone().into(),
[INFO] [stdout]     |                                     ^^^^ the trait `From<proc_macro::Span>` is not implemented for `proc_macro2::Span`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required because of the requirements on the impl of `Into<proc_macro2::Span>` for `proc_macro::Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `proc_macro2::Span: From<proc_macro::Span>` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro-error-1.0.4/src/lib.rs:550:36
[INFO] [stdout]     |
[INFO] [stdout] 550 |                 last: self.clone().into(),
[INFO] [stdout]     |                                    ^^^^ the trait `From<proc_macro::Span>` is not implemented for `proc_macro2::Span`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required because of the requirements on the impl of `Into<proc_macro2::Span>` for `proc_macro::Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro-error` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6c33938eedc4033f4f67fc35fd2800d0a10b2f4849b4c0e3da8f8480dc46b966", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c33938eedc4033f4f67fc35fd2800d0a10b2f4849b4c0e3da8f8480dc46b966", kill_on_drop: false }`
[INFO] [stdout] 6c33938eedc4033f4f67fc35fd2800d0a10b2f4849b4c0e3da8f8480dc46b966