[INFO] cloning repository https://github.com/Xion/rofld
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Xion/rofld" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXion%2Frofld", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXion%2Frofld'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a8b24822c43838920b6052c8099549e2d1f5e2c
[INFO] documenting Xion/rofld against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXion%2Frofld" "/workspace/builds/worker-52/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-52/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Xion/rofld on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Xion/rofld
[INFO] finished tweaking git repo https://github.com/Xion/rofld
[INFO] tweaked toml for git repo https://github.com/Xion/rofld written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] crate git repo https://github.com/Xion/rofld already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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 thread-id v3.2.0
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[INFO] [stderr]   Downloaded itertools v0.6.1
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[INFO] [stderr]   Downloaded serde_test v1.0.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c5ff5f792308deba022695c6d87b431931a8ae4ac0cd5032fba21dfd1d433fe
[INFO] running `Command { std: "docker" "start" "-a" "2c5ff5f792308deba022695c6d87b431931a8ae4ac0cd5032fba21dfd1d433fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c5ff5f792308deba022695c6d87b431931a8ae4ac0cd5032fba21dfd1d433fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c5ff5f792308deba022695c6d87b431931a8ae4ac0cd5032fba21dfd1d433fe", kill_on_drop: false }`
[INFO] [stdout] 2c5ff5f792308deba022695c6d87b431931a8ae4ac0cd5032fba21dfd1d433fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6e817dda7c5aefda96b77e966b0fe2ea4ca02d65b9564efb264c529ea95d0a5
[INFO] running `Command { std: "docker" "start" "-a" "b6e817dda7c5aefda96b77e966b0fe2ea4ca02d65b9564efb264c529ea95d0a5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking futures v0.1.14
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking either v1.1.0
[INFO] [stderr]     Checking scopeguard v0.3.2
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking slog v1.5.2
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[INFO] [stderr]     Checking odds v0.2.25
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]    Compiling derive_builder v0.4.7
[INFO] [stderr]     Checking byteorder v0.4.2
[INFO] [stderr]     Checking inflate v0.1.1
[INFO] [stderr]     Checking linked-hash-map v0.4.2
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[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking float-ord v0.1.2
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[INFO] [stderr]     Checking utf8-ranges v0.1.3
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[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking thread-id v3.2.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking num-complex v0.1.40
[INFO] [stderr]    Compiling backtrace-sys v0.1.12
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking nix v0.8.1
[INFO] [stderr]    Compiling derive_builder_core v0.1.7
[INFO] [stderr]     Checking url v1.5.1
[INFO] [stderr]    Compiling serde_derive v1.0.11
[INFO] [stderr]     Checking stb_truetype v0.2.1
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]     Checking lru-cache v0.1.1
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking coco v0.1.1
[INFO] [stderr]     Checking itertools v0.6.1
[INFO] [stdout] error[E0277]: `core::fmt::Opaque` cannot be shared between threads safely
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-1.5.2/src/ser.rs:228:6
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub trait SyncSerialize: Send + Sync + 'static + Serialize {}
[INFO] [stdout]     |                                 ---- required by this bound in `SyncSerialize`
[INFO] [stdout] ...
[INFO] [stdout] 228 | impl SyncSerialize for fmt::Arguments<'static> {}
[INFO] [stdout]     |      ^^^^^^^^^^^^^ `core::fmt::Opaque` cannot be shared between threads safely
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `Arguments<'static>`, the trait `Sync` is not implemented for `core::fmt::Opaque`
[INFO] [stdout]     = note: required because it appears within the type `&'static core::fmt::Opaque`
[INFO] [stdout]     = note: required because it appears within the type `ArgumentV1<'static>`
[INFO] [stdout]     = note: required because it appears within the type `[ArgumentV1<'static>]`
[INFO] [stdout]     = note: required because it appears within the type `&'static [ArgumentV1<'static>]`
[INFO] [stdout]     = note: required because it appears within the type `Arguments<'static>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking css-color-parser v0.1.2
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slog` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0713]: borrow may still be in use when destructor runs
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.5.1/src/form_urlencoded.rs:251:40
[INFO] [stdout]     |
[INFO] [stdout] 249 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 250 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 251 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stdout]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stdout]     |                                        |
[INFO] [stdout]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0713`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b6e817dda7c5aefda96b77e966b0fe2ea4ca02d65b9564efb264c529ea95d0a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6e817dda7c5aefda96b77e966b0fe2ea4ca02d65b9564efb264c529ea95d0a5", kill_on_drop: false }`
[INFO] [stdout] b6e817dda7c5aefda96b77e966b0fe2ea4ca02d65b9564efb264c529ea95d0a5
