[INFO] cloning repository https://github.com/aclemmensen/rusty-regex-search
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aclemmensen/rusty-regex-search" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faclemmensen%2Frusty-regex-search", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faclemmensen%2Frusty-regex-search'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b8102086cbaca605d4abd8ae3a1f04c9405de7f
[INFO] documenting aclemmensen/rusty-regex-search against 1.75.0 for beta-1.76-rustdoc-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faclemmensen%2Frusty-regex-search" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aclemmensen/rusty-regex-search on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aclemmensen/rusty-regex-search
[INFO] finished tweaking git repo https://github.com/aclemmensen/rusty-regex-search
[INFO] tweaked toml for git repo https://github.com/aclemmensen/rusty-regex-search written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/aclemmensen/rusty-regex-search already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atty v0.2.3
[INFO] [stderr]   Downloaded bitflags v1.0.1
[INFO] [stderr]   Downloaded num-rational v0.1.40
[INFO] [stderr]   Downloaded termion v1.5.1
[INFO] [stderr]   Downloaded utf8-ranges v1.0.0
[INFO] [stderr]   Downloaded unicode-width v0.1.4
[INFO] [stderr]   Downloaded redox_termios v0.1.1
[INFO] [stderr]   Downloaded memchr v2.0.1
[INFO] [stderr]   Downloaded textwrap v0.9.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.32
[INFO] [stderr]   Downloaded ansi_term v0.10.2
[INFO] [stderr]   Downloaded vec_map v0.8.0
[INFO] [stderr]   Downloaded miniz-sys v0.1.10
[INFO] [stderr]   Downloaded num v0.1.41
[INFO] [stderr]   Downloaded cc v1.0.3
[INFO] [stderr]   Downloaded clap v2.29.0
[INFO] [stderr]   Downloaded regex-syntax v0.4.1
[INFO] [stderr]   Downloaded libc v0.2.34
[INFO] [stderr]   Downloaded regex v0.2.3
[INFO] [stderr]   Downloaded lazy_static v0.2.11
[INFO] [stderr]   Downloaded aho-corasick v0.6.4
[INFO] [stderr]   Downloaded strsim v0.6.0
[INFO] [stderr]   Downloaded num-complex v0.1.41
[INFO] [stderr]   Downloaded num-bigint v0.1.41
[INFO] [stderr]   Downloaded thread_local v0.3.4
[INFO] [stderr]   Downloaded num-traits v0.1.41
[INFO] [stderr]   Downloaded rand v0.3.18
[INFO] [stderr]   Downloaded unreachable v1.0.0
[INFO] [stderr]   Downloaded void v1.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 308b31d3c34814093266b8636c337f3350ea5c89f33f3d056c97bb0fd9ab9e5b
[INFO] running `Command { std: "docker" "start" "-a" "308b31d3c34814093266b8636c337f3350ea5c89f33f3d056c97bb0fd9ab9e5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "308b31d3c34814093266b8636c337f3350ea5c89f33f3d056c97bb0fd9ab9e5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "308b31d3c34814093266b8636c337f3350ea5c89f33f3d056c97bb0fd9ab9e5b", kill_on_drop: false }`
[INFO] [stdout] 308b31d3c34814093266b8636c337f3350ea5c89f33f3d056c97bb0fd9ab9e5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6579e34d6ad446f35434655d088978c1471ae7251c8a3890309d9fb216f7dce
[INFO] running `Command { std: "docker" "start" "-a" "d6579e34d6ad446f35434655d088978c1471ae7251c8a3890309d9fb216f7dce", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]     Checking num-traits v0.1.41
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling cc v1.0.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking rand v0.3.18
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]     Checking clap v2.29.0
[INFO] [stderr]     Checking regex v0.2.3
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking num-bigint v0.1.41
[INFO] [stderr]     Checking num-complex v0.1.41
[INFO] [stderr]     Checking num-rational v0.1.40
[INFO] [stderr]     Checking num v0.1.41
[INFO] [stderr]     Checking stopwatch v0.0.7
[INFO] [stderr]  Documenting regex-search v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.68s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/regex_search/index.html
[INFO] running `Command { std: "docker" "inspect" "d6579e34d6ad446f35434655d088978c1471ae7251c8a3890309d9fb216f7dce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6579e34d6ad446f35434655d088978c1471ae7251c8a3890309d9fb216f7dce", kill_on_drop: false }`
[INFO] [stdout] d6579e34d6ad446f35434655d088978c1471ae7251c8a3890309d9fb216f7dce