[INFO] cloning repository https://github.com/zidoshare/simple-log-viewer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zidoshare/simple-log-viewer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzidoshare%2Fsimple-log-viewer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzidoshare%2Fsimple-log-viewer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 17cb38eb00a9d6b192f9d04ec2b7f6afff714ebe
[INFO] documenting zidoshare/simple-log-viewer against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzidoshare%2Fsimple-log-viewer" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zidoshare/simple-log-viewer 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 git repo https://github.com/zidoshare/simple-log-viewer
[INFO] finished tweaking git repo https://github.com/zidoshare/simple-log-viewer
[INFO] tweaked toml for git repo https://github.com/zidoshare/simple-log-viewer written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/zidoshare/simple-log-viewer 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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 2289659c7b3e1cb3b0ae273cfeae95a36306d10c67d7d9bd5f22d9e1ec9a920c
[INFO] running `Command { std: "docker" "start" "-a" "2289659c7b3e1cb3b0ae273cfeae95a36306d10c67d7d9bd5f22d9e1ec9a920c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2289659c7b3e1cb3b0ae273cfeae95a36306d10c67d7d9bd5f22d9e1ec9a920c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2289659c7b3e1cb3b0ae273cfeae95a36306d10c67d7d9bd5f22d9e1ec9a920c", kill_on_drop: false }`
[INFO] [stdout] 2289659c7b3e1cb3b0ae273cfeae95a36306d10c67d7d9bd5f22d9e1ec9a920c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 8306bbd0be46d33da26018c234baf1821a3b19cc3e3d6e6c8292ffea7cda7d5a
[INFO] running `Command { std: "docker" "start" "-a" "8306bbd0be46d33da26018c234baf1821a3b19cc3e3d6e6c8292ffea7cda7d5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking slv_core v0.1.0 (/opt/rustwide/workdir/core)
[INFO] [stderr]  Documenting slv_core v0.1.0 (/opt/rustwide/workdir/core)
[INFO] [stdout] warning: struct is never constructed: `RegexMatcher`
[INFO] [stdout]   --> core/src/fr.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | struct RegexMatcher {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `buf`
[INFO] [stdout]   --> core/src/fr.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     buf: &'a [u8],
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `file`
[INFO] [stdout]   --> core/src/fr.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 |     file: File,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rustyline v7.0.0
[INFO] [stderr]  Documenting slv v0.1.0 (/opt/rustwide/workdir/cli)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.05s
[INFO] running `Command { std: "docker" "inspect" "8306bbd0be46d33da26018c234baf1821a3b19cc3e3d6e6c8292ffea7cda7d5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8306bbd0be46d33da26018c234baf1821a3b19cc3e3d6e6c8292ffea7cda7d5a", kill_on_drop: false }`
[INFO] [stdout] 8306bbd0be46d33da26018c234baf1821a3b19cc3e3d6e6c8292ffea7cda7d5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 84f7e9fef9e87e3bfa022c318ea766e120c8a23b87d49e627c11588318c372af
[INFO] running `Command { std: "docker" "start" "-a" "84f7e9fef9e87e3bfa022c318ea766e120c8a23b87d49e627c11588318c372af", kill_on_drop: false }`
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "84f7e9fef9e87e3bfa022c318ea766e120c8a23b87d49e627c11588318c372af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84f7e9fef9e87e3bfa022c318ea766e120c8a23b87d49e627c11588318c372af", kill_on_drop: false }`
[INFO] [stdout] 84f7e9fef9e87e3bfa022c318ea766e120c8a23b87d49e627c11588318c372af