[INFO] fetching crate nt-leb128 0.3.1... [INFO] documenting nt-leb128-0.3.1 against beta-2022-05-20 for beta-1.62-rustdoc-1 [INFO] extracting crate nt-leb128 0.3.1 into /workspace/builds/worker-16/source [INFO] validating manifest of crates.io crate nt-leb128 0.3.1 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 crates.io crate nt-leb128 0.3.1 [INFO] finished tweaking crates.io crate nt-leb128 0.3.1 [INFO] tweaked toml for crates.io crate nt-leb128 0.3.1 written to /workspace/builds/worker-16/source/Cargo.toml [INFO] crate crates.io crate nt-leb128 0.3.1 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-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] [stdout] efac87964d18e0afb8c79c9d7e2119c599cdf9665de4192a59da00cd975028ee [INFO] running `Command { std: "docker" "start" "-a" "efac87964d18e0afb8c79c9d7e2119c599cdf9665de4192a59da00cd975028ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "efac87964d18e0afb8c79c9d7e2119c599cdf9665de4192a59da00cd975028ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "efac87964d18e0afb8c79c9d7e2119c599cdf9665de4192a59da00cd975028ee", kill_on_drop: false }` [INFO] [stdout] efac87964d18e0afb8c79c9d7e2119c599cdf9665de4192a59da00cd975028ee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] [stdout] 21a11fc15710e3ea0f27e4044c22c4939ce0f29eec719e8bef478e47975621c8 [INFO] running `Command { std: "docker" "start" "-a" "21a11fc15710e3ea0f27e4044c22c4939ce0f29eec719e8bef478e47975621c8", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking bytes v0.5.2 [INFO] [stderr] Checking nt-leb128 v0.3.1 (/opt/rustwide/workdir) [INFO] [stderr] Documenting nt-leb128 v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `BytesMut` [INFO] [stdout] --> src/write.rs:3:13 [INFO] [stdout] | [INFO] [stdout] 3 | use bytes::{BytesMut, BufMut}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/read.rs:37:37 [INFO] [stdout] | [INFO] [stdout] 37 | ::std::error::Error::description(self)) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/read.rs:49:32 [INFO] [stdout] | [INFO] [stdout] 49 | fn cause(&self) -> Option<&::std::error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 49 | fn cause(&self) -> Option<&dyn (::std::error::Error)> { [INFO] [stdout] | +++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/read.rs:44:40 [INFO] [stdout] | [INFO] [stdout] 44 | Error::IoError(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `buf` [INFO] [stdout] --> src/write.rs:56:17 [INFO] [stdout] | [INFO] [stdout] 56 | let buf = [byte]; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_buf` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.77s [INFO] running `Command { std: "docker" "inspect" "21a11fc15710e3ea0f27e4044c22c4939ce0f29eec719e8bef478e47975621c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21a11fc15710e3ea0f27e4044c22c4939ce0f29eec719e8bef478e47975621c8", kill_on_drop: false }` [INFO] [stdout] 21a11fc15710e3ea0f27e4044c22c4939ce0f29eec719e8bef478e47975621c8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 26bd51975b5bad27938481a2a2174863212095f97252265ab9e974e24a016a4d [INFO] running `Command { std: "docker" "start" "-a" "26bd51975b5bad27938481a2a2174863212095f97252265ab9e974e24a016a4d", kill_on_drop: false }` [INFO] [stderr] Checking bytes v0.5.2 [INFO] [stderr] Documenting nt-leb128 v0.3.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.46s [INFO] running `Command { std: "docker" "inspect" "26bd51975b5bad27938481a2a2174863212095f97252265ab9e974e24a016a4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "26bd51975b5bad27938481a2a2174863212095f97252265ab9e974e24a016a4d", kill_on_drop: false }` [INFO] [stdout] 26bd51975b5bad27938481a2a2174863212095f97252265ab9e974e24a016a4d