[INFO] cloning repository https://github.com/tyan-boot/pingcap-question [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tyan-boot/pingcap-question" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyan-boot%2Fpingcap-question", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyan-boot%2Fpingcap-question'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f7ee6939293bcb13f9c1ad5baaaa4a1ce1d7dfe4 [INFO] checking tyan-boot/pingcap-question against try#4949cf2f817beadb9a248d423b6d55d6d2398ffe for pr-142681 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyan-boot%2Fpingcap-question" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/tyan-boot/pingcap-question [INFO] finished tweaking git repo https://github.com/tyan-boot/pingcap-question [INFO] tweaked toml for git repo https://github.com/tyan-boot/pingcap-question written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/tyan-boot/pingcap-question on toolchain 4949cf2f817beadb9a248d423b6d55d6d2398ffe [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/tyan-boot/pingcap-question 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" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "fetch" "--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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3f912b61de537d5e2b5a7121d622701f790ee424bfd3835d9084b9654473108f [INFO] running `Command { std: "docker" "start" "-a" "3f912b61de537d5e2b5a7121d622701f790ee424bfd3835d9084b9654473108f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3f912b61de537d5e2b5a7121d622701f790ee424bfd3835d9084b9654473108f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f912b61de537d5e2b5a7121d622701f790ee424bfd3835d9084b9654473108f", kill_on_drop: false }` [INFO] [stdout] 3f912b61de537d5e2b5a7121d622701f790ee424bfd3835d9084b9654473108f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e7d579f16f8c15e75dd6a78ef40b9a2069193aacf1d7d1d8544aa20c50232036 [INFO] running `Command { std: "docker" "start" "-a" "e7d579f16f8c15e75dd6a78ef40b9a2069193aacf1d7d1d8544aa20c50232036", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling proc-macro2 v1.0.3 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling getrandom v0.1.12 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling cc v1.0.42 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Compiling serde v1.0.99 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling bincode v1.1.4 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking rand v0.7.0 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking backtrace v0.3.37 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling serde_derive v1.0.99 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking project-pingcap-algo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::BufReader` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::BufReader; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::Path` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `bincode::ErrorKind` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use bincode::ErrorKind; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `failure::Error` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use failure::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/v1/count.rs:8:25 [INFO] [stdout] | [INFO] [stdout] 8 | #[derive(Eq, PartialEq, Serialize, Deserialize, Debug)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate [INFO] [stdout] = help: try referring to `Serialize` crate for guidance on how handle this unexpected cfg [INFO] [stdout] = help: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/v1/count.rs:8:36 [INFO] [stdout] | [INFO] [stdout] 8 | #[derive(Eq, PartialEq, Serialize, Deserialize, Debug)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate [INFO] [stdout] = help: try referring to `Deserialize` crate for guidance on how handle this unexpected cfg [INFO] [stdout] = help: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BufRead` [INFO] [stdout] --> src/v2/count.rs:5:32 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{Read, BufReader, BufRead}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::BufReader` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::BufReader; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BufRead`, `Read`, and `Write` [INFO] [stdout] --> src/v2/io.rs:2:15 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::{Read, BufReader, BufRead, Write, Seek, SeekFrom}; [INFO] [stdout] | ^^^^ ^^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::Path` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `bincode::ErrorKind` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use bincode::ErrorKind; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `failure::Error` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use failure::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/v1/count.rs:8:25 [INFO] [stdout] | [INFO] [stdout] 8 | #[derive(Eq, PartialEq, Serialize, Deserialize, Debug)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate [INFO] [stdout] = help: try referring to `Serialize` crate for guidance on how handle this unexpected cfg [INFO] [stdout] = help: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/v1/count.rs:8:36 [INFO] [stdout] | [INFO] [stdout] 8 | #[derive(Eq, PartialEq, Serialize, Deserialize, Debug)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate [INFO] [stdout] = help: try referring to `Deserialize` crate for guidance on how handle this unexpected cfg [INFO] [stdout] = help: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::process::id` [INFO] [stdout] --> src/v2/io.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::process::id; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BufRead` [INFO] [stdout] --> src/v2/count.rs:5:32 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{Read, BufReader, BufRead}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/v2/io.rs:15:10 [INFO] [stdout] | [INFO] [stdout] 15 | #[derive(Serialize, Deserialize, Debug)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate [INFO] [stdout] = help: try referring to `Serialize` crate for guidance on how handle this unexpected cfg [INFO] [stdout] = help: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BufRead`, `Read`, and `Write` [INFO] [stdout] --> src/v2/io.rs:2:15 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::{Read, BufReader, BufRead, Write, Seek, SeekFrom}; [INFO] [stdout] | ^^^^ ^^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/v2/io.rs:15:21 [INFO] [stdout] | [INFO] [stdout] 15 | #[derive(Serialize, Deserialize, Debug)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate [INFO] [stdout] = help: try referring to `Deserialize` crate for guidance on how handle this unexpected cfg [INFO] [stdout] = help: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::process::id` [INFO] [stdout] --> src/v2/io.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::process::id; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/v2/io.rs:80:41 [INFO] [stdout] | [INFO] [stdout] 80 | it.seek(SeekFrom::Start((0))); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 80 - it.seek(SeekFrom::Start((0))); [INFO] [stdout] 80 + it.seek(SeekFrom::Start(0)); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/v2/io.rs:15:10 [INFO] [stdout] | [INFO] [stdout] 15 | #[derive(Serialize, Deserialize, Debug)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate [INFO] [stdout] = help: try referring to `Serialize` crate for guidance on how handle this unexpected cfg [INFO] [stdout] = help: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/v2/io.rs:125:41 [INFO] [stdout] | [INFO] [stdout] 125 | it.seek(SeekFrom::Start((0))); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 125 - it.seek(SeekFrom::Start((0))); [INFO] [stdout] 125 + it.seek(SeekFrom::Start(0)); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/v2/io.rs:15:21 [INFO] [stdout] | [INFO] [stdout] 15 | #[derive(Serialize, Deserialize, Debug)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate [INFO] [stdout] = help: try referring to `Deserialize` crate for guidance on how handle this unexpected cfg [INFO] [stdout] = help: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/v2/io.rs:80:41 [INFO] [stdout] | [INFO] [stdout] 80 | it.seek(SeekFrom::Start((0))); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 80 - it.seek(SeekFrom::Start((0))); [INFO] [stdout] 80 + it.seek(SeekFrom::Start(0)); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/v2/io.rs:125:41 [INFO] [stdout] | [INFO] [stdout] 125 | it.seek(SeekFrom::Start((0))); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 125 - it.seek(SeekFrom::Start((0))); [INFO] [stdout] 125 + it.seek(SeekFrom::Start(0)); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `offset` [INFO] [stdout] --> src/v2/count.rs:29:26 [INFO] [stdout] | [INFO] [stdout] 29 | Some((count, offset)) => { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset` [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/v2/count.rs:26:13 [INFO] [stdout] | [INFO] [stdout] 26 | let mut item = self.map.get_mut(&word); [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/v2/io.rs:46:24 [INFO] [stdout] | [INFO] [stdout] 46 | while let Some(mut file) = self.big_chunks.pop() { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `buf` [INFO] [stdout] --> src/v2/io.rs:105:25 [INFO] [stdout] | [INFO] [stdout] 105 | let buf = bincode::serialized_size(&wo); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_buf` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `offset` [INFO] [stdout] --> src/v2/count.rs:29:26 [INFO] [stdout] | [INFO] [stdout] 29 | Some((count, offset)) => { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset` [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/v2/count.rs:26:13 [INFO] [stdout] | [INFO] [stdout] 26 | let mut item = self.map.get_mut(&word); [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: struct `MergePair` is never constructed [INFO] [stdout] --> src/v1.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | struct MergePair(String, u64, u64, BufReader); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Count` is never constructed [INFO] [stdout] --> src/v1.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 19 | struct Count { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `count_chunk`, `merge`, and `solve` are never used [INFO] [stdout] --> src/v1.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 27 | impl Count { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 28 | pub fn new>(path: P) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | fn count_chunk(&mut self) -> Result<(), Error> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 81 | fn merge(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 125 | pub fn solve(&mut self) -> Option { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `WordCountOffset` is never constructed [INFO] [stdout] --> src/v1/count.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct WordCountOffset(pub String, pub u64, pub u64); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Counter` is never constructed [INFO] [stdout] --> src/v1/count.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct Counter { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `count`, and `flush` are never used [INFO] [stdout] --> src/v1/count.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 16 | impl Counter { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 17 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 24 | pub fn count(&mut self, key: String, offset: u64) -> u64 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 44 | pub fn flush(&mut self) -> Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MergeCounter` is never constructed [INFO] [stdout] --> src/v1/merge.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct MergeCounter { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `count`, and `get_ans` are never used [INFO] [stdout] --> src/v1/merge.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl MergeCounter { [INFO] [stdout] | ----------------- associated items in this implementation [INFO] [stdout] 13 | pub fn new() -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | pub fn count(&mut self, key: String, other_count: u64, offset: u64) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 59 | pub fn get_ans(&mut self) -> Option<(String, u64)> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/v1/count.rs:8:25 [INFO] [stdout] | [INFO] [stdout] 8 | #[derive(Eq, PartialEq, Serialize, Deserialize, Debug)] [INFO] [stdout] | ^-------- [INFO] [stdout] | | [INFO] [stdout] | `Serialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_WordCountOffset` [INFO] [stdout] 9 | pub struct WordCountOffset(pub String, pub u64, pub u64); [INFO] [stdout] | --------------- `WordCountOffset` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/v1/count.rs:8:36 [INFO] [stdout] | [INFO] [stdout] 8 | #[derive(Eq, PartialEq, Serialize, Deserialize, Debug)] [INFO] [stdout] | ^---------- [INFO] [stdout] | | [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_WordCountOffset` [INFO] [stdout] 9 | pub struct WordCountOffset(pub String, pub u64, pub u64); [INFO] [stdout] | --------------- `WordCountOffset` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/v2/io.rs:46:24 [INFO] [stdout] | [INFO] [stdout] 46 | while let Some(mut file) = self.big_chunks.pop() { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `buf` [INFO] [stdout] --> src/v2/io.rs:105:25 [INFO] [stdout] | [INFO] [stdout] 105 | let buf = bincode::serialized_size(&wo); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_buf` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/v1/io.rs:27:10 [INFO] [stdout] | [INFO] [stdout] 27 | #[derive(Fail, Debug)] [INFO] [stdout] | ^--- [INFO] [stdout] | | [INFO] [stdout] | `Fail` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_ChunkError` [INFO] [stdout] 28 | pub enum ChunkError { [INFO] [stdout] | ---------- `ChunkError` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/v1/io.rs:27:10 [INFO] [stdout] | [INFO] [stdout] 27 | #[derive(Fail, Debug)] [INFO] [stdout] | ^--- [INFO] [stdout] | | [INFO] [stdout] | `Display` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_ChunkError` [INFO] [stdout] 28 | pub enum ChunkError { [INFO] [stdout] | ---------- `ChunkError` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MergePair` is never constructed [INFO] [stdout] --> src/v1.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | struct MergePair(String, u64, u64, BufReader); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Count` is never constructed [INFO] [stdout] --> src/v1.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 19 | struct Count { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `count_chunk`, `merge`, and `solve` are never used [INFO] [stdout] --> src/v1.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 27 | impl Count { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 28 | pub fn new>(path: P) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | fn count_chunk(&mut self) -> Result<(), Error> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 81 | fn merge(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 125 | pub fn solve(&mut self) -> Option { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/v1/count.rs:8:25 [INFO] [stdout] | [INFO] [stdout] 8 | #[derive(Eq, PartialEq, Serialize, Deserialize, Debug)] [INFO] [stdout] | ^-------- [INFO] [stdout] | | [INFO] [stdout] | `Serialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_WordCountOffset` [INFO] [stdout] 9 | pub struct WordCountOffset(pub String, pub u64, pub u64); [INFO] [stdout] | --------------- `WordCountOffset` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/v1/count.rs:8:36 [INFO] [stdout] | [INFO] [stdout] 8 | #[derive(Eq, PartialEq, Serialize, Deserialize, Debug)] [INFO] [stdout] | ^---------- [INFO] [stdout] | | [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_WordCountOffset` [INFO] [stdout] 9 | pub struct WordCountOffset(pub String, pub u64, pub u64); [INFO] [stdout] | --------------- `WordCountOffset` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/v1/io.rs:27:10 [INFO] [stdout] | [INFO] [stdout] 27 | #[derive(Fail, Debug)] [INFO] [stdout] | ^--- [INFO] [stdout] | | [INFO] [stdout] | `Fail` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_ChunkError` [INFO] [stdout] 28 | pub enum ChunkError { [INFO] [stdout] | ---------- `ChunkError` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/v1/io.rs:27:10 [INFO] [stdout] | [INFO] [stdout] 27 | #[derive(Fail, Debug)] [INFO] [stdout] | ^--- [INFO] [stdout] | | [INFO] [stdout] | `Display` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_ChunkError` [INFO] [stdout] 28 | pub enum ChunkError { [INFO] [stdout] | ---------- `ChunkError` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/v2/count.rs:69:13 [INFO] [stdout] | [INFO] [stdout] 69 | chunk.read_to_end(&mut buff); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 69 | let _ = chunk.read_to_end(&mut buff); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/v2/io.rs:15:10 [INFO] [stdout] | [INFO] [stdout] 15 | #[derive(Serialize, Deserialize, Debug)] [INFO] [stdout] | ^-------- [INFO] [stdout] | | [INFO] [stdout] | `Serialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_WordOffset` [INFO] [stdout] 16 | pub struct WordOffset(pub String, pub u64); [INFO] [stdout] | ---------- `WordOffset` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/v2/io.rs:15:21 [INFO] [stdout] | [INFO] [stdout] 15 | #[derive(Serialize, Deserialize, Debug)] [INFO] [stdout] | ^---------- [INFO] [stdout] | | [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_WordOffset` [INFO] [stdout] 16 | pub struct WordOffset(pub String, pub u64); [INFO] [stdout] | ---------- `WordOffset` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/v2/io.rs:67:25 [INFO] [stdout] | [INFO] [stdout] 67 | bincode::serialize_into(&mut chunk, &wo); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 67 | let _ = bincode::serialize_into(&mut chunk, &wo); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/v2/io.rs:80:17 [INFO] [stdout] | [INFO] [stdout] 80 | it.seek(SeekFrom::Start((0))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 80 | let _ = it.seek(SeekFrom::Start((0))); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/v2/io.rs:107:21 [INFO] [stdout] | [INFO] [stdout] 107 | bincode::serialize_into(&mut file, &wo); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 107 | let _ = bincode::serialize_into(&mut file, &wo); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/v2/io.rs:125:17 [INFO] [stdout] | [INFO] [stdout] 125 | it.seek(SeekFrom::Start((0))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 125 | let _ = it.seek(SeekFrom::Start((0))); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/v2/count.rs:69:13 [INFO] [stdout] | [INFO] [stdout] 69 | chunk.read_to_end(&mut buff); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 69 | let _ = chunk.read_to_end(&mut buff); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/v2/io.rs:15:10 [INFO] [stdout] | [INFO] [stdout] 15 | #[derive(Serialize, Deserialize, Debug)] [INFO] [stdout] | ^-------- [INFO] [stdout] | | [INFO] [stdout] | `Serialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_WordOffset` [INFO] [stdout] 16 | pub struct WordOffset(pub String, pub u64); [INFO] [stdout] | ---------- `WordOffset` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/v2/io.rs:15:21 [INFO] [stdout] | [INFO] [stdout] 15 | #[derive(Serialize, Deserialize, Debug)] [INFO] [stdout] | ^---------- [INFO] [stdout] | | [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_WordOffset` [INFO] [stdout] 16 | pub struct WordOffset(pub String, pub u64); [INFO] [stdout] | ---------- `WordOffset` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/v2/io.rs:67:25 [INFO] [stdout] | [INFO] [stdout] 67 | bincode::serialize_into(&mut chunk, &wo); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 67 | let _ = bincode::serialize_into(&mut chunk, &wo); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/v2/io.rs:80:17 [INFO] [stdout] | [INFO] [stdout] 80 | it.seek(SeekFrom::Start((0))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 80 | let _ = it.seek(SeekFrom::Start((0))); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/v2/io.rs:107:21 [INFO] [stdout] | [INFO] [stdout] 107 | bincode::serialize_into(&mut file, &wo); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 107 | let _ = bincode::serialize_into(&mut file, &wo); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/v2/io.rs:125:17 [INFO] [stdout] | [INFO] [stdout] 125 | it.seek(SeekFrom::Start((0))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 125 | let _ = it.seek(SeekFrom::Start((0))); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.01s [INFO] running `Command { std: "docker" "inspect" "e7d579f16f8c15e75dd6a78ef40b9a2069193aacf1d7d1d8544aa20c50232036", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7d579f16f8c15e75dd6a78ef40b9a2069193aacf1d7d1d8544aa20c50232036", kill_on_drop: false }` [INFO] [stdout] e7d579f16f8c15e75dd6a78ef40b9a2069193aacf1d7d1d8544aa20c50232036