[INFO] fetching crate scan 0.1.0... [INFO] documenting scan-0.1.0 against 1.46.0 for beta-1.47-rustdoc-1 [INFO] extracting crate scan 0.1.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate scan 0.1.0 on toolchain 1.46.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate scan 0.1.0 [INFO] finished tweaking crates.io crate scan 0.1.0 [INFO] tweaked toml for crates.io crate scan 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9a3cdc2117bf4d72474e853e27bcf0346edeb92793536168b1485801a3b795a1 [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" "9a3cdc2117bf4d72474e853e27bcf0346edeb92793536168b1485801a3b795a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9a3cdc2117bf4d72474e853e27bcf0346edeb92793536168b1485801a3b795a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a3cdc2117bf4d72474e853e27bcf0346edeb92793536168b1485801a3b795a1", kill_on_drop: false }` [INFO] [stdout] 9a3cdc2117bf4d72474e853e27bcf0346edeb92793536168b1485801a3b795a1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 67c22ac0807603f9f20d6ab5e7371311cbcc5786e5b73b2b0c8fb4ba9e6aeffc [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" "67c22ac0807603f9f20d6ab5e7371311cbcc5786e5b73b2b0c8fb4ba9e6aeffc", kill_on_drop: false }` [INFO] [stderr] Documenting scan v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0432]: unresolved imports `std::io::Chars`, `std::io::CharsError` [INFO] [stdout] --> src/scan.rs:1:21 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::{Read, Chars, CharsError, BufReader}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ no `CharsError` in `io` [INFO] [stdout] | | [INFO] [stdout] | no `Chars` in `io` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `CharsError` in module `io` [INFO] [stdout] --> src/scan.rs:51:27 [INFO] [stdout] | [INFO] [stdout] 51 | impl From for ScanError { [INFO] [stdout] | ^^^^^^^^^^ not found in `io` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `CharsError` in module `io` [INFO] [stdout] --> src/scan.rs:52:20 [INFO] [stdout] | [INFO] [stdout] 52 | fn from(e: io::CharsError) -> ScanError { ScanError::Io(e) } [INFO] [stdout] | ^^^^^^^^^^ not found in `io` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:40:1 [INFO] [stdout] | [INFO] [stdout] 40 | #![feature(io)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: Compilation failed, aborting rustdoc [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 5 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0412, E0432, E0554. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0412`. [INFO] [stdout] [INFO] [stderr] error: Could not document `scan`. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --crate-type lib --crate-name scan src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (exit code: 1) [INFO] running `Command { std: "docker" "inspect" "67c22ac0807603f9f20d6ab5e7371311cbcc5786e5b73b2b0c8fb4ba9e6aeffc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "67c22ac0807603f9f20d6ab5e7371311cbcc5786e5b73b2b0c8fb4ba9e6aeffc", kill_on_drop: false }` [INFO] [stdout] 67c22ac0807603f9f20d6ab5e7371311cbcc5786e5b73b2b0c8fb4ba9e6aeffc