[INFO] cloning repository https://github.com/gfreezy/bitcask-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gfreezy/bitcask-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgfreezy%2Fbitcask-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgfreezy%2Fbitcask-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 04fabaaf969b18319475ba6cebafde3d690aa5e5 [INFO] documenting gfreezy/bitcask-rs against 1.61.0 for beta-1.62-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgfreezy%2Fbitcask-rs" "/workspace/builds/worker-34/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-34/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gfreezy/bitcask-rs on toolchain 1.61.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/gfreezy/bitcask-rs [INFO] finished tweaking git repo https://github.com/gfreezy/bitcask-rs [INFO] tweaked toml for git repo https://github.com/gfreezy/bitcask-rs written to /workspace/builds/worker-34/source/Cargo.toml [INFO] crate git repo https://github.com/gfreezy/bitcask-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded regex v1.0.4 [INFO] [stderr] Downloaded integer-encoding v1.0.5 [INFO] [stderr] Downloaded flate2 v1.0.2 [INFO] [stderr] Downloaded serde_yaml v0.7.5 [INFO] [stderr] Downloaded serde_derive v1.0.75 [INFO] [stderr] Downloaded serde v1.0.75 [INFO] [stderr] Downloaded serde_json v1.0.26 [INFO] [stderr] Downloaded twox-hash v1.1.1 [INFO] [stderr] Downloaded proc-macro2 v0.4.15 [INFO] [stderr] Downloaded serde-value v0.5.2 [INFO] [stderr] Downloaded io-at v0.4.1 [INFO] [stderr] Downloaded serde_yaml v0.8.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 58a04a481480f545587989b028f47ffcc66f301fdc8479670524706d8088e0e9 [INFO] running `Command { std: "docker" "start" "-a" "58a04a481480f545587989b028f47ffcc66f301fdc8479670524706d8088e0e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "58a04a481480f545587989b028f47ffcc66f301fdc8479670524706d8088e0e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "58a04a481480f545587989b028f47ffcc66f301fdc8479670524706d8088e0e9", kill_on_drop: false }` [INFO] [stdout] 58a04a481480f545587989b028f47ffcc66f301fdc8479670524706d8088e0e9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ca9b2a31e874280adfe7a561c2f900f33141e20056352c7c63f8a7ae37d0164c [INFO] running `Command { std: "docker" "start" "-a" "ca9b2a31e874280adfe7a561c2f900f33141e20056352c7c63f8a7ae37d0164c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Compiling cc v1.0.23 [INFO] [stderr] Compiling proc-macro2 v0.4.15 [INFO] [stderr] Compiling num-traits v0.2.5 [INFO] [stderr] Compiling serde v1.0.75 [INFO] [stderr] Checking cfg-if v0.1.5 [INFO] [stderr] Compiling version_check v0.1.4 [INFO] [stderr] Compiling ryu v0.2.6 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking linked-hash-map v0.5.1 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking dtoa v0.4.3 [INFO] [stderr] Compiling failure_derive v0.1.2 [INFO] [stderr] Checking itoa v0.4.2 [INFO] [stderr] Checking rand_core v0.2.1 [INFO] [stderr] Checking rustc-demangle v0.1.9 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Compiling regex v1.0.4 [INFO] [stderr] Compiling derive_builder v0.5.1 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking log-mdc v0.1.0 [INFO] [stderr] Checking antidote v1.0.0 [INFO] [stderr] Checking utf8-ranges v1.0.1 [INFO] [stderr] Checking crossbeam v0.3.2 [INFO] [stderr] Checking integer-encoding v1.0.5 [INFO] [stderr] Checking humantime v1.1.1 [INFO] [stderr] Checking itertools v0.7.8 [INFO] [stderr] Checking unreachable v0.1.1 [INFO] [stderr] Checking regex-syntax v0.6.2 [INFO] [stderr] Checking unsafe-any v0.4.2 [INFO] [stderr] Checking yaml-rust v0.4.0 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Checking memchr v2.0.2 [INFO] [stderr] Checking time v0.1.40 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Checking rand v0.4.3 [INFO] [stderr] Checking io-at v0.4.1 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Compiling miniz-sys v0.1.10 [INFO] [stderr] Checking aho-corasick v0.6.8 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking uuid v0.6.5 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking twox-hash v1.1.1 [INFO] [stderr] Compiling derive_builder_core v0.2.0 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Checking ordered-float v0.5.0 [INFO] [stderr] Checking flate2 v1.0.2 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking backtrace v0.3.9 [INFO] [stderr] Checking serde_yaml v0.7.5 [INFO] [stderr] Checking serde_json v1.0.26 [INFO] [stderr] Checking log v0.4.4 [INFO] [stderr] Checking serde_yaml v0.8.2 [INFO] [stderr] Checking serde-value v0.5.2 [INFO] [stderr] Compiling synstructure v0.9.0 [INFO] [stderr] Compiling serde_derive v1.0.75 [INFO] [stderr] Checking failure v0.1.2 [INFO] [stderr] Checking log4rs v0.8.0 [INFO] [stderr] Documenting bitcask-rs v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(nll)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(test)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/segment.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | (key_size_length as u64 [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 47 | + hash_length as u64) [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 43 ~ key_size_length as u64 [INFO] [stdout] 44 | + value_size_length as u64 [INFO] [stdout] 45 | + key_buf.len() as u64 [INFO] [stdout] 46 | + value_buf.len() as u64 [INFO] [stdout] 47 ~ + hash_length as u64 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: Compilation failed, aborting rustdoc [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not document `bitcask-rs` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --crate-type lib --crate-name bitcask_rs src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=528fa2006000b3b3 -L dependency=/opt/rustwide/target/debug/deps --extern derive_builder=/opt/rustwide/target/debug/deps/libderive_builder-7386c1cd2b578ff2.so --extern failure=/opt/rustwide/target/debug/deps/libfailure-6ddb7fb688c9b973.rmeta --extern integer_encoding=/opt/rustwide/target/debug/deps/libinteger_encoding-ea0340312950aa84.rmeta --extern io_at=/opt/rustwide/target/debug/deps/libio_at-36fe09d212296ffb.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-fbf1f9498597da2f.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-2e884fbb6de0e5de.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-14d93b5f0e72fb66.rmeta --extern log4rs=/opt/rustwide/target/debug/deps/liblog4rs-cf1399e663719536.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-090b1efc4be4dd75.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-c34d9db9ef7ceb24.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-f04a939784451328.so --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-8be8b4cbd8d3a303.rmeta --extern twox_hash=/opt/rustwide/target/debug/deps/libtwox_hash-85ddb270af1afc52.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-d1851c52790cab6a.rmeta --cap-lints=warn --crate-version 0.1.1` (exit status: 1) [INFO] running `Command { std: "docker" "inspect" "ca9b2a31e874280adfe7a561c2f900f33141e20056352c7c63f8a7ae37d0164c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca9b2a31e874280adfe7a561c2f900f33141e20056352c7c63f8a7ae37d0164c", kill_on_drop: false }` [INFO] [stdout] ca9b2a31e874280adfe7a561c2f900f33141e20056352c7c63f8a7ae37d0164c