[INFO] fetching crate etch 0.4.2...
[INFO] documenting etch-0.4.2 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate etch 0.4.2 into /workspace/builds/worker-89/source
[INFO] validating manifest of crates.io crate etch 0.4.2 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 etch 0.4.2
[INFO] finished tweaking crates.io crate etch 0.4.2
[INFO] tweaked toml for crates.io crate etch 0.4.2 written to /workspace/builds/worker-89/source/Cargo.toml
[INFO] crate crates.io crate etch 0.4.2 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] 3c2d3768abb3bdf501b1b00eeb754de4d861f9c064e85990c01f5ef8a222999c
[INFO] running `Command { std: "docker" "start" "-a" "3c2d3768abb3bdf501b1b00eeb754de4d861f9c064e85990c01f5ef8a222999c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c2d3768abb3bdf501b1b00eeb754de4d861f9c064e85990c01f5ef8a222999c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c2d3768abb3bdf501b1b00eeb754de4d861f9c064e85990c01f5ef8a222999c", kill_on_drop: false }`
[INFO] [stdout] 3c2d3768abb3bdf501b1b00eeb754de4d861f9c064e85990c01f5ef8a222999c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] 125addd58832df4a8ea76ba51bcf578c23d795a3022e9fd1a8a7a99a43c242ac
[INFO] running `Command { std: "docker" "start" "-a" "125addd58832df4a8ea76ba51bcf578c23d795a3022e9fd1a8a7a99a43c242ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking xml-rs v0.8.0
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking bork v0.2.1
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling onig_sys v69.1.0
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking flate2 v1.0.7
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]    Compiling proc-macro-hack v0.5.5
[INFO] [stderr]    Compiling paste-impl v0.1.5
[INFO] [stderr]     Checking paste v0.1.5
[INFO] [stderr]     Checking glue v0.8.7
[INFO] [stderr]     Checking onig v4.3.2
[INFO] [stderr]     Checking plist v0.4.1
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking syntect v3.2.0
[INFO] [stderr]  Documenting etch v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.38s
[INFO] running `Command { std: "docker" "inspect" "125addd58832df4a8ea76ba51bcf578c23d795a3022e9fd1a8a7a99a43c242ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "125addd58832df4a8ea76ba51bcf578c23d795a3022e9fd1a8a7a99a43c242ac", kill_on_drop: false }`
[INFO] [stdout] 125addd58832df4a8ea76ba51bcf578c23d795a3022e9fd1a8a7a99a43c242ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] 6f3394efbccb71a618e79819bfa68b9981f53dd606e2f304cdf3ff2ffbd2fc32
[INFO] running `Command { std: "docker" "start" "-a" "6f3394efbccb71a618e79819bfa68b9981f53dd606e2f304cdf3ff2ffbd2fc32", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking xml-rs v0.8.0
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking bork v0.2.1
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]    Compiling onig_sys v69.1.0
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking flate2 v1.0.7
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]    Compiling proc-macro-hack v0.5.5
[INFO] [stderr]    Compiling paste-impl v0.1.5
[INFO] [stderr]     Checking paste v0.1.5
[INFO] [stderr]     Checking glue v0.8.7
[INFO] [stderr]     Checking onig v4.3.2
[INFO] [stderr]     Checking plist v0.4.1
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking syntect v3.2.0
[INFO] [stderr]  Documenting etch v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.58s
[INFO] running `Command { std: "docker" "inspect" "6f3394efbccb71a618e79819bfa68b9981f53dd606e2f304cdf3ff2ffbd2fc32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f3394efbccb71a618e79819bfa68b9981f53dd606e2f304cdf3ff2ffbd2fc32", kill_on_drop: false }`
[INFO] [stdout] 6f3394efbccb71a618e79819bfa68b9981f53dd606e2f304cdf3ff2ffbd2fc32