[INFO] cloning repository https://github.com/tommyjk/kv-server [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tommyjk/kv-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftommyjk%2Fkv-server", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftommyjk%2Fkv-server'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1e9d4fd41746072b4fc42ef4c9601347447dda56 [INFO] documenting tommyjk/kv-server against beta-2020-08-29 for beta-1.47-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftommyjk%2Fkv-server" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tommyjk/kv-server on toolchain beta-2020-08-29 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tommyjk/kv-server [INFO] finished tweaking git repo https://github.com/tommyjk/kv-server [INFO] tweaked toml for git repo https://github.com/tommyjk/kv-server written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/tommyjk/kv-server already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `http://github.com/crossbeam-rs/crossbeam.git` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded historian v4.0.3 [INFO] [stderr] Downloaded panic-control v0.1.4 [INFO] [stderr] Downloaded pagecache v0.19.2 [INFO] [stderr] Downloaded sled v0.27.0 [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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] b639085c567c6ae53d75c5a189274aeb8097e8a3adcc9dd6cda3332cf71ef0d4 [INFO] running `Command { std: "docker" "start" "-a" "b639085c567c6ae53d75c5a189274aeb8097e8a3adcc9dd6cda3332cf71ef0d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b639085c567c6ae53d75c5a189274aeb8097e8a3adcc9dd6cda3332cf71ef0d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b639085c567c6ae53d75c5a189274aeb8097e8a3adcc9dd6cda3332cf71ef0d4", kill_on_drop: false }` [INFO] [stdout] b639085c567c6ae53d75c5a189274aeb8097e8a3adcc9dd6cda3332cf71ef0d4 [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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 422cf8017e07d0ae2979d43468a63ae0e3e30a4381e0274c62b0dd221429c8a0 [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" "422cf8017e07d0ae2979d43468a63ae0e3e30a4381e0274c62b0dd221429c8a0", kill_on_drop: false }` [INFO] [stderr] Compiling syn v0.15.39 [INFO] [stderr] Compiling proc-macro2 v1.0.2 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling slog v2.5.2 [INFO] [stderr] Checking futures-sink-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures-core-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking historian v4.0.3 [INFO] [stderr] Checking futures-io v0.3.1 [INFO] [stderr] Checking once_cell v1.2.0 [INFO] [stderr] Checking futures-core v0.3.1 [INFO] [stderr] Checking take_mut v0.2.2 [INFO] [stderr] Checking pin-project-lite v0.1.1 [INFO] [stderr] Checking bytes v0.5.3 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling bincode v1.1.4 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking crossbeam-utils v0.7.0 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking crossbeam-utils v0.6.6 (http://github.com/crossbeam-rs/crossbeam.git?rev=31fc7e6#31fc7e62) [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking atty v0.2.12 [INFO] [stderr] Checking num_cpus v1.11.1 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking fs2 v0.4.3 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking futures-channel-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.19 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking kv-log-macro v1.0.4 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking async-task v1.0.0 [INFO] [stderr] Checking term v0.5.2 [INFO] [stderr] Checking crossbeam-queue v0.2.0 [INFO] [stderr] Checking crossbeam-channel v0.4.0 [INFO] [stderr] Checking crossbeam-epoch v0.8.0 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 (http://github.com/crossbeam-rs/crossbeam.git?rev=31fc7e6#31fc7e62) [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking crossbeam-skiplist v0.0.0 (http://github.com/crossbeam-rs/crossbeam.git?rev=31fc7e6#31fc7e62) [INFO] [stderr] Checking slog-async v2.3.0 [INFO] [stderr] Checking rayon-core v1.7.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking chrono v0.4.8 [INFO] [stderr] Checking broadcaster v0.2.6 [INFO] [stderr] Checking slog-term v2.4.1 [INFO] [stderr] Compiling serde_derive v1.0.97 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Checking structopt v0.2.18 [INFO] [stderr] Compiling async-attributes v1.1.1 [INFO] [stderr] Compiling async-trait v0.1.21 [INFO] [stderr] Checking async-std v1.4.0 [INFO] [stderr] Checking serde v1.0.99 [INFO] [stderr] Checking serde_bytes v0.11.2 [INFO] [stderr] Checking pagecache v0.19.2 [INFO] [stderr] Checking sled v0.27.0 [INFO] [stderr] Checking kvs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Documenting kvs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `time::Instant` [INFO] [stdout] --> src/kvs/kvs.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | time::Instant, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `KvsError` [INFO] [stdout] --> src/protocol/stream.rs:9:18 [INFO] [stdout] | [INFO] [stdout] 9 | use crate::kvs::{KvsError, Result}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/server.rs:64:92 [INFO] [stdout] | [INFO] [stdout] 64 | Err(e) => error!(self.log, "Error establishing connection"; "message" => e.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/protocol/client.rs:49:21 [INFO] [stdout] | [INFO] [stdout] 49 | let mut result = self.stream.read(&mut answer[..]).await?; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/protocol/client.rs:41:17 [INFO] [stdout] | [INFO] [stdout] 41 | let mut result = self.stream.read(&mut answer[..]).await?; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/protocol/client.rs:49:21 [INFO] [stdout] | [INFO] [stdout] 49 | let mut result = self.stream.read(&mut answer[..]).await?; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/kvs/kvs.rs:547:9 [INFO] [stdout] | [INFO] [stdout] 547 | bufwriter.write_all(&self.min_fileid.load(Ordering::Relaxed).to_le_bytes()).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/server.rs:88:17 [INFO] [stdout] | [INFO] [stdout] 88 | / conn.send(response).await.map_err(|e| { [INFO] [stdout] 89 | | error!(log, "Something went wrong in response to client {:?}", e); [INFO] [stdout] 90 | | }); [INFO] [stdout] | |___________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: doc comment contains an invalid Rust code block [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.4.0/src/future/future/mod.rs:21:1 [INFO] [stdout] | [INFO] [stdout] 21 | / extension_trait! { [INFO] [stdout] 22 | | use std::pin::Pin; [INFO] [stdout] 23 | | use std::ops::{Deref, DerefMut}; [INFO] [stdout] 24 | | [INFO] [stdout] ... | [INFO] [stdout] 429 | | } [INFO] [stdout] 430 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = help: mark blocks that do not contain Rust code as text: ```text [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: doc comment contains an invalid Rust code block [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.4.0/src/future/future/mod.rs:21:1 [INFO] [stdout] | [INFO] [stdout] 21 | / extension_trait! { [INFO] [stdout] 22 | | use std::pin::Pin; [INFO] [stdout] 23 | | use std::ops::{Deref, DerefMut}; [INFO] [stdout] 24 | | [INFO] [stdout] ... | [INFO] [stdout] 429 | | } [INFO] [stdout] 430 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = help: mark blocks that do not contain Rust code as text: ```text [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: doc comment contains an invalid Rust code block [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.4.0/src/future/future/mod.rs:21:1 [INFO] [stdout] | [INFO] [stdout] 21 | / extension_trait! { [INFO] [stdout] 22 | | use std::pin::Pin; [INFO] [stdout] 23 | | use std::ops::{Deref, DerefMut}; [INFO] [stdout] 24 | | [INFO] [stdout] ... | [INFO] [stdout] 429 | | } [INFO] [stdout] 430 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = help: mark blocks that do not contain Rust code as text: ```text [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: doc comment contains an invalid Rust code block [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.4.0/src/future/future/mod.rs:21:1 [INFO] [stdout] | [INFO] [stdout] 21 | / extension_trait! { [INFO] [stdout] 22 | | use std::pin::Pin; [INFO] [stdout] 23 | | use std::ops::{Deref, DerefMut}; [INFO] [stdout] 24 | | [INFO] [stdout] ... | [INFO] [stdout] 429 | | } [INFO] [stdout] 430 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = help: mark blocks that do not contain Rust code as text: ```text [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: doc comment contains an invalid Rust code block [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.4.0/src/future/future/mod.rs:21:1 [INFO] [stdout] | [INFO] [stdout] 21 | / extension_trait! { [INFO] [stdout] 22 | | use std::pin::Pin; [INFO] [stdout] 23 | | use std::ops::{Deref, DerefMut}; [INFO] [stdout] 24 | | [INFO] [stdout] ... | [INFO] [stdout] 429 | | } [INFO] [stdout] 430 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = help: mark blocks that do not contain Rust code as text: ```text [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: doc comment contains an invalid Rust code block [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.4.0/src/future/future/mod.rs:21:1 [INFO] [stdout] | [INFO] [stdout] 21 | / extension_trait! { [INFO] [stdout] 22 | | use std::pin::Pin; [INFO] [stdout] 23 | | use std::ops::{Deref, DerefMut}; [INFO] [stdout] 24 | | [INFO] [stdout] ... | [INFO] [stdout] 429 | | } [INFO] [stdout] 430 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = help: mark blocks that do not contain Rust code as text: ```text [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: doc comment contains an invalid Rust code block [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.4.0/src/future/future/mod.rs:21:1 [INFO] [stdout] | [INFO] [stdout] 21 | / extension_trait! { [INFO] [stdout] 22 | | use std::pin::Pin; [INFO] [stdout] 23 | | use std::ops::{Deref, DerefMut}; [INFO] [stdout] 24 | | [INFO] [stdout] ... | [INFO] [stdout] 429 | | } [INFO] [stdout] 430 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = help: mark blocks that do not contain Rust code as text: ```text [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: doc comment contains an invalid Rust code block [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.4.0/src/future/future/mod.rs:21:1 [INFO] [stdout] | [INFO] [stdout] 21 | / extension_trait! { [INFO] [stdout] 22 | | use std::pin::Pin; [INFO] [stdout] 23 | | use std::ops::{Deref, DerefMut}; [INFO] [stdout] 24 | | [INFO] [stdout] ... | [INFO] [stdout] 429 | | } [INFO] [stdout] 430 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = help: mark blocks that do not contain Rust code as text: ```text [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 28s [INFO] running `Command { std: "docker" "inspect" "422cf8017e07d0ae2979d43468a63ae0e3e30a4381e0274c62b0dd221429c8a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "422cf8017e07d0ae2979d43468a63ae0e3e30a4381e0274c62b0dd221429c8a0", kill_on_drop: false }` [INFO] [stdout] 422cf8017e07d0ae2979d43468a63ae0e3e30a4381e0274c62b0dd221429c8a0