[INFO] cloning repository https://github.com/MnO2/kvs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MnO2/kvs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMnO2%2Fkvs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMnO2%2Fkvs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e09c1999dd44b2172fc761dcee99f50b8f73ae40 [INFO] checking MnO2/kvs against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMnO2%2Fkvs" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MnO2/kvs on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/MnO2/kvs [INFO] finished tweaking git repo https://github.com/MnO2/kvs [INFO] tweaked toml for git repo https://github.com/MnO2/kvs written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/MnO2/kvs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tempfile v3.0.8 [INFO] [stderr] Downloaded walkdir v2.2.8 [INFO] [stderr] Downloaded rmp-serde v0.13.7 [INFO] [stderr] Downloaded syn v0.15.36 [INFO] [stderr] Downloaded regex-syntax v0.6.7 [INFO] [stderr] Downloaded regex v1.1.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bd6d2d33b244bf9c728a31ba560a6f48bf527675e0eb580a0e1e24820ac5fdbb [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" "bd6d2d33b244bf9c728a31ba560a6f48bf527675e0eb580a0e1e24820ac5fdbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bd6d2d33b244bf9c728a31ba560a6f48bf527675e0eb580a0e1e24820ac5fdbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd6d2d33b244bf9c728a31ba560a6f48bf527675e0eb580a0e1e24820ac5fdbb", kill_on_drop: false }` [INFO] [stdout] bd6d2d33b244bf9c728a31ba560a6f48bf527675e0eb580a0e1e24820ac5fdbb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fc83620b0b4b7b9576a9a9361311a4091d7bdc3c7f6ab80aabe692b5e2f1ffa5 [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" "fc83620b0b4b7b9576a9a9361311a4091d7bdc3c7f6ab80aabe692b5e2f1ffa5", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling syn v0.15.36 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling serde v1.0.94 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling regex v1.1.7 [INFO] [stderr] Checking predicates-core v1.0.0 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking yaml-rust v0.3.5 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking normalize-line-endings v0.2.2 [INFO] [stderr] Checking same-file v1.0.4 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Checking regex-syntax v0.6.7 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking predicates-tree v1.0.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking walkdir v2.2.8 [INFO] [stderr] Checking rand_pcg v0.1.2 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_chacha v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking aho-corasick v0.7.3 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking backtrace-sys v0.1.30 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking backtrace v0.3.32 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking float-cmp v0.4.0 [INFO] [stderr] Checking rmp v0.8.7 [INFO] [stderr] Checking tempfile v3.0.8 [INFO] [stderr] Checking predicates v1.0.1 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling serde_derive v1.0.92 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking rmp-serde v0.13.7 [INFO] [stderr] Checking kvs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Serializer` [INFO] [stdout] --> src/reader.rs:3:31 [INFO] [stdout] | [INFO] [stdout] 3 | use rmp_serde::{Deserializer, Serializer}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Serialize` [INFO] [stdout] --> src/reader.rs:4:26 [INFO] [stdout] | [INFO] [stdout] 4 | use serde::{Deserialize, Serialize}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::BufRead` [INFO] [stdout] --> src/reader.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::BufRead; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Deserializer` [INFO] [stdout] --> src/writer.rs:3:17 [INFO] [stdout] | [INFO] [stdout] 3 | use rmp_serde::{Deserializer, Serializer}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Deserialize` [INFO] [stdout] --> src/writer.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | use serde::{Deserialize, Serialize}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BigEndian`, `WriteBytesExt` [INFO] [stdout] --> src/lib.rs:9:17 [INFO] [stdout] | [INFO] [stdout] 9 | use byteorder::{BigEndian, WriteBytesExt}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Deserializer`, `Serializer` [INFO] [stdout] --> src/lib.rs:10:17 [INFO] [stdout] | [INFO] [stdout] 10 | use rmp_serde::{Deserializer, Serializer}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize` [INFO] [stdout] --> src/lib.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | use serde::{Deserialize, Serialize}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `file_offset` [INFO] [stdout] --> src/lib.rs:249:13 [INFO] [stdout] | [INFO] [stdout] 249 | let file_offset = file_to_write.seek(io::SeekFrom::End(0))?; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_offset` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `curr_offset` is assigned to, but never used [INFO] [stdout] --> src/lib.rs:303:17 [INFO] [stdout] | [INFO] [stdout] 303 | let mut curr_offset = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_curr_offset` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `curr_offset` is never read [INFO] [stdout] --> src/lib.rs:337:17 [INFO] [stdout] | [INFO] [stdout] 337 | curr_offset = next_offset; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `curr_idx` is never read [INFO] [stdout] --> src/lib.rs:342:9 [INFO] [stdout] | [INFO] [stdout] 342 | curr_idx += 1; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:172:14 [INFO] [stdout] | [INFO] [stdout] 172 | let (mut file_id, mut file_to_write) = if self.should_write_to_new_file(self.file_names.last().unwrap())? { [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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:157:13 [INFO] [stdout] | [INFO] [stdout] 157 | reader.read_record(io::SeekFrom::Start(keyinfo.record_pos), &mut record, &mut next_offset); [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/lib.rs:204:9 [INFO] [stdout] | [INFO] [stdout] 204 | writer.write_record(&new_record); [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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:259:9 [INFO] [stdout] | [INFO] [stdout] 259 | writer.write_record(&new_record); [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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:297:13 [INFO] [stdout] | [INFO] [stdout] 297 | rdr.seek(io::SeekFrom::Start(0)); [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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:383:13 [INFO] [stdout] | [INFO] [stdout] 383 | f.1.sync_data(); [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: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::Path` [INFO] [stdout] --> src/bin/kvs.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking assert_cmd v0.11.1 [INFO] [stdout] warning: unused import: `std::path::Path` [INFO] [stdout] --> src/bin/kvs.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Serializer` [INFO] [stdout] --> src/reader.rs:3:31 [INFO] [stdout] | [INFO] [stdout] 3 | use rmp_serde::{Deserializer, Serializer}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Serialize` [INFO] [stdout] --> src/reader.rs:4:26 [INFO] [stdout] | [INFO] [stdout] 4 | use serde::{Deserialize, Serialize}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::BufRead` [INFO] [stdout] --> src/reader.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::BufRead; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Deserializer` [INFO] [stdout] --> src/writer.rs:3:17 [INFO] [stdout] | [INFO] [stdout] 3 | use rmp_serde::{Deserializer, Serializer}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Deserialize` [INFO] [stdout] --> src/writer.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | use serde::{Deserialize, Serialize}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BigEndian`, `WriteBytesExt` [INFO] [stdout] --> src/lib.rs:9:17 [INFO] [stdout] | [INFO] [stdout] 9 | use byteorder::{BigEndian, WriteBytesExt}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Deserializer`, `Serializer` [INFO] [stdout] --> src/lib.rs:10:17 [INFO] [stdout] | [INFO] [stdout] 10 | use rmp_serde::{Deserializer, Serializer}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize` [INFO] [stdout] --> src/lib.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | use serde::{Deserialize, Serialize}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `file_offset` [INFO] [stdout] --> src/lib.rs:249:13 [INFO] [stdout] | [INFO] [stdout] 249 | let file_offset = file_to_write.seek(io::SeekFrom::End(0))?; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_offset` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `curr_offset` is assigned to, but never used [INFO] [stdout] --> src/lib.rs:303:17 [INFO] [stdout] | [INFO] [stdout] 303 | let mut curr_offset = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_curr_offset` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `curr_offset` is never read [INFO] [stdout] --> src/lib.rs:337:17 [INFO] [stdout] | [INFO] [stdout] 337 | curr_offset = next_offset; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `curr_idx` is never read [INFO] [stdout] --> src/lib.rs:342:9 [INFO] [stdout] | [INFO] [stdout] 342 | curr_idx += 1; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:172:14 [INFO] [stdout] | [INFO] [stdout] 172 | let (mut file_id, mut file_to_write) = if self.should_write_to_new_file(self.file_names.last().unwrap())? { [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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:157:13 [INFO] [stdout] | [INFO] [stdout] 157 | reader.read_record(io::SeekFrom::Start(keyinfo.record_pos), &mut record, &mut next_offset); [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/lib.rs:204:9 [INFO] [stdout] | [INFO] [stdout] 204 | writer.write_record(&new_record); [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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:259:9 [INFO] [stdout] | [INFO] [stdout] 259 | writer.write_record(&new_record); [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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:297:13 [INFO] [stdout] | [INFO] [stdout] 297 | rdr.seek(io::SeekFrom::Start(0)); [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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:383:13 [INFO] [stdout] | [INFO] [stdout] 383 | f.1.sync_data(); [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: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 54.12s [INFO] running `Command { std: "docker" "inspect" "fc83620b0b4b7b9576a9a9361311a4091d7bdc3c7f6ab80aabe692b5e2f1ffa5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc83620b0b4b7b9576a9a9361311a4091d7bdc3c7f6ab80aabe692b5e2f1ffa5", kill_on_drop: false }` [INFO] [stdout] fc83620b0b4b7b9576a9a9361311a4091d7bdc3c7f6ab80aabe692b5e2f1ffa5