[INFO] fetching crate mpc-rs 0.6.0...
[INFO] documenting mpc-rs-0.6.0 against 1.75.0 for beta-1.76-rustdoc-2
[INFO] extracting crate mpc-rs 0.6.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate mpc-rs 0.6.0 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 crates.io crate mpc-rs 0.6.0
[INFO] finished tweaking crates.io crate mpc-rs 0.6.0
[INFO] tweaked toml for crates.io crate mpc-rs 0.6.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate mpc-rs 0.6.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_termios v0.1.2
[INFO] [stderr]   Downloaded bufstream v0.1.4
[INFO] [stderr]   Downloaded ron v0.6.4
[INFO] [stderr]   Downloaded strum v0.21.0
[INFO] [stderr]   Downloaded heck v0.3.3
[INFO] [stderr]   Downloaded mpd v0.0.12
[INFO] [stderr]   Downloaded base64 v0.13.0
[INFO] [stderr]   Downloaded syn v1.0.73
[INFO] [stderr]   Downloaded gimli v0.24.0
[INFO] [stderr]   Downloaded libc v0.2.97
[INFO] [stderr]   Downloaded tui v0.10.0
[INFO] [stderr]   Downloaded object v0.25.3
[INFO] [stderr]   Downloaded backtrace v0.3.60
[INFO] [stderr]   Downloaded strum_macros v0.21.1
[INFO] [stderr]   Downloaded cassowary v0.3.0
[INFO] [stderr]   Downloaded redox_syscall v0.2.9
[INFO] [stderr]   Downloaded termion v1.5.6
[INFO] [stderr]   Downloaded threadpool v1.8.1
[INFO] [stderr]   Downloaded addr2line v0.15.2
[INFO] [stderr]   Downloaded cc v1.0.68
[INFO] [stderr]   Downloaded rustc-demangle v0.1.20
[INFO] [stderr]   Downloaded proc-macro2 v1.0.27
[INFO] [stderr]   Downloaded numtoa v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f343510e9ba997aaffc96909e93ffffbcffe89c05f5a544e068fa7e45cb87a24
[INFO] running `Command { std: "docker" "start" "-a" "f343510e9ba997aaffc96909e93ffffbcffe89c05f5a544e068fa7e45cb87a24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f343510e9ba997aaffc96909e93ffffbcffe89c05f5a544e068fa7e45cb87a24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f343510e9ba997aaffc96909e93ffffbcffe89c05f5a544e068fa7e45cb87a24", kill_on_drop: false }`
[INFO] [stdout] f343510e9ba997aaffc96909e93ffffbcffe89c05f5a544e068fa7e45cb87a24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 1c34c425c1bb97a115d52ed01c4d995b199d87a264b8e7eecd759ac03f9ab086
[INFO] running `Command { std: "docker" "start" "-a" "1c34c425c1bb97a115d52ed01c4d995b199d87a264b8e7eecd759ac03f9ab086", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking tui v0.10.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking strum v0.21.0
[INFO] [stderr]     Checking addr2line v0.15.2
[INFO] [stderr]     Checking mpd v0.0.12
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]     Checking ron v0.6.4
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]  Documenting mpc-rs v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.90s
[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/mpc_rs/index.html
[INFO] running `Command { std: "docker" "inspect" "1c34c425c1bb97a115d52ed01c4d995b199d87a264b8e7eecd759ac03f9ab086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c34c425c1bb97a115d52ed01c4d995b199d87a264b8e7eecd759ac03f9ab086", kill_on_drop: false }`
[INFO] [stdout] 1c34c425c1bb97a115d52ed01c4d995b199d87a264b8e7eecd759ac03f9ab086