[INFO] updating cached repository https://github.com/FauxFaux/pack2tri
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ee91a83ed70e9644394e2023a6b9022982b01a6
[INFO] documenting FauxFaux/pack2tri against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFauxFaux%2Fpack2tri" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FauxFaux/pack2tri on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FauxFaux/pack2tri
[INFO] finished tweaking git repo https://github.com/FauxFaux/pack2tri
[INFO] tweaked toml for git repo https://github.com/FauxFaux/pack2tri written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/FauxFaux/pack2tri already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a0637a217ec23cd67557feda7045dbbfec90e55accf5f5faee4429357423be7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9a0637a217ec23cd67557feda7045dbbfec90e55accf5f5faee4429357423be7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a0637a217ec23cd67557feda7045dbbfec90e55accf5f5faee4429357423be7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a0637a217ec23cd67557feda7045dbbfec90e55accf5f5faee4429357423be7", kill_on_drop: false }`
[INFO] [stdout] 9a0637a217ec23cd67557feda7045dbbfec90e55accf5f5faee4429357423be7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6200f309a365e2010df8e285c8ffa73637d3124e621a8629d5a2a56560d2a869
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6200f309a365e2010df8e285c8ffa73637d3124e621a8629d5a2a56560d2a869", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-serialize v0.3.22
[INFO] [stderr]     Checking bit-vec v0.4.3
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking argparse v0.2.1
[INFO] [stderr]     Checking num-integer v0.1.33
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]     Checking num-bigint v0.1.37
[INFO] [stderr]     Checking num-complex v0.1.36
[INFO] [stderr]     Checking num-rational v0.1.36
[INFO] [stderr]     Checking num v0.1.37
[INFO] [stderr]     Checking compress v0.1.2
[INFO] [stderr]  Documenting pack2tri v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0412]: cannot find type `CharsError` in module `io`
[INFO] [stdout]  --> src/bin/tri/mod.rs:8:40
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type CharResult = Result<char, io::CharsError>;
[INFO] [stdout]   |                                        ^^^^^^^^^^ not found in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `CharsError` in module `io`
[INFO] [stdout]  --> src/bin/tri/mod.rs:8:40
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type CharResult = Result<char, io::CharsError>;
[INFO] [stdout]   |                                        ^^^^^^^^^^ not found in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `pack2tri`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name search src/bin/search.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern argparse=/opt/rustwide/target/debug/deps/libargparse-9418160cd2df2a12.rmeta --extern bit_set=/opt/rustwide/target/debug/deps/libbit_set-07be2dd0a9d378a0.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-729d52cb47fc9608.rmeta --extern compress=/opt/rustwide/target/debug/deps/libcompress-22bd795d3113913f.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-8d2ffac1a4c0a952.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-3db63d6e8d4d01cc.rmeta --cap-lints=forbid` (exit code: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6200f309a365e2010df8e285c8ffa73637d3124e621a8629d5a2a56560d2a869", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6200f309a365e2010df8e285c8ffa73637d3124e621a8629d5a2a56560d2a869", kill_on_drop: false }`
[INFO] [stdout] 6200f309a365e2010df8e285c8ffa73637d3124e621a8629d5a2a56560d2a869