[INFO] cloning repository https://github.com/OhAnotherTag/keyz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/OhAnotherTag/keyz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOhAnotherTag%2Fkeyz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOhAnotherTag%2Fkeyz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1259dc92da08cab9a26fee5c87808b49ebc026b1
[INFO] testing OhAnotherTag/keyz against master#1ef7943ee607160a564655b6596f83670ef95df5 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOhAnotherTag%2Fkeyz" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/OhAnotherTag/keyz
[INFO] finished tweaking git repo https://github.com/OhAnotherTag/keyz
[INFO] tweaked toml for git repo https://github.com/OhAnotherTag/keyz written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/OhAnotherTag/keyz on toolchain 1ef7943ee607160a564655b6596f83670ef95df5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/OhAnotherTag/keyz 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" "+1ef7943ee607160a564655b6596f83670ef95df5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded predicates v3.0.4
[INFO] [stderr]   Downloaded clap v4.4.16
[INFO] [stderr]   Downloaded assert_cmd v2.0.13
[INFO] [stderr]   Downloaded clap_builder v4.4.16
[INFO] [stderr]   Downloaded bstr v1.9.0
[INFO] [stderr]   Downloaded regex-automata v0.3.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13593b83db87ef44151d873b69306cce7aea2bae9eb1c5620f550d18c1b11501
[INFO] running `Command { std: "docker" "start" "-a" "13593b83db87ef44151d873b69306cce7aea2bae9eb1c5620f550d18c1b11501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13593b83db87ef44151d873b69306cce7aea2bae9eb1c5620f550d18c1b11501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13593b83db87ef44151d873b69306cce7aea2bae9eb1c5620f550d18c1b11501", kill_on_drop: false }`
[INFO] [stdout] 13593b83db87ef44151d873b69306cce7aea2bae9eb1c5620f550d18c1b11501
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfc6736dfdb1a429cc02d4ab1881b422191e3a431d1029ae111ba246aeb0ded8
[INFO] running `Command { std: "docker" "start" "-a" "dfc6736dfdb1a429cc02d4ab1881b422191e3a431d1029ae111ba246aeb0ded8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling anstyle-query v1.0.2
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling clap_lex v0.6.0
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling anstyle-parse v0.2.3
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling anstream v0.6.7
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling shlex v1.2.0
[INFO] [stderr]    Compiling clap_builder v4.4.16
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling clap v4.4.16
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling kvs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `KvsError`
[INFO] [stdout]  --> src/kv.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{KvsError, Result};
[INFO] [stdout]   |             ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/kv.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn open(path: &Path) -> Result<Self> {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Command` is never used
[INFO] [stdout]   --> src/kv.rs:42:6
[INFO] [stdout]    |
[INFO] [stdout] 42 | enum Command {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `set` and `remove` are never used
[INFO] [stdout]   --> src/kv.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl Command {
[INFO] [stdout]    | ------------ associated functions in this implementation
[INFO] [stdout] 48 |     fn set(key: String, value: String) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn remove(key: String) -> Command {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CommandPos` is never constructed
[INFO] [stdout]   --> src/kv.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | struct CommandPos {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BufReaderWithPos` is never constructed
[INFO] [stdout]   --> src/kv.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 69 | struct BufReaderWithPos<R: Read + Seek> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/kv.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 74 | impl<R: Read + Seek> BufReaderWithPos<R>  {
[INFO] [stdout]    | ---------------------------------------- associated function in this implementation
[INFO] [stdout] 75 |     fn new(mut inner: R) -> Result<Self> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BufWriterWithPos` is never constructed
[INFO] [stdout]   --> src/kv.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 97 | struct BufWriterWithPos<W: Write + Seek> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/kv.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout] 102 | impl <W: Write + Seek> BufWriterWithPos<W> {
[INFO] [stdout]     | ------------------------------------------ associated function in this implementation
[INFO] [stdout] 103 |     fn new(mut inner: W) -> Result<Self> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.42s
[INFO] running `Command { std: "docker" "inspect" "dfc6736dfdb1a429cc02d4ab1881b422191e3a431d1029ae111ba246aeb0ded8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfc6736dfdb1a429cc02d4ab1881b422191e3a431d1029ae111ba246aeb0ded8", kill_on_drop: false }`
[INFO] [stdout] dfc6736dfdb1a429cc02d4ab1881b422191e3a431d1029ae111ba246aeb0ded8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5aaaeb0d2b29144d489d1ba714dad690cded640fae5cd06934cf496543b296aa
[INFO] running `Command { std: "docker" "start" "-a" "5aaaeb0d2b29144d489d1ba714dad690cded640fae5cd06934cf496543b296aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling rustix v0.38.30
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling linux-raw-sys v0.4.12
[INFO] [stderr]    Compiling aho-corasick v1.0.5
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]    Compiling bstr v1.9.0
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stdout] warning: unused import: `KvsError`
[INFO] [stdout]  --> src/kv.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{KvsError, Result};
[INFO] [stdout]   |             ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/kv.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn open(path: &Path) -> Result<Self> {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Command` is never used
[INFO] [stdout]   --> src/kv.rs:42:6
[INFO] [stdout]    |
[INFO] [stdout] 42 | enum Command {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `set` and `remove` are never used
[INFO] [stdout]   --> src/kv.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl Command {
[INFO] [stdout]    | ------------ associated functions in this implementation
[INFO] [stdout] 48 |     fn set(key: String, value: String) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn remove(key: String) -> Command {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CommandPos` is never constructed
[INFO] [stdout]   --> src/kv.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | struct CommandPos {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BufReaderWithPos` is never constructed
[INFO] [stdout]   --> src/kv.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 69 | struct BufReaderWithPos<R: Read + Seek> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/kv.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 74 | impl<R: Read + Seek> BufReaderWithPos<R>  {
[INFO] [stdout]    | ---------------------------------------- associated function in this implementation
[INFO] [stdout] 75 |     fn new(mut inner: R) -> Result<Self> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BufWriterWithPos` is never constructed
[INFO] [stdout]   --> src/kv.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 97 | struct BufWriterWithPos<W: Write + Seek> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/kv.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout] 102 | impl <W: Write + Seek> BufWriterWithPos<W> {
[INFO] [stdout]     | ------------------------------------------ associated function in this implementation
[INFO] [stdout] 103 |     fn new(mut inner: W) -> Result<Self> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex-automata v0.3.9
[INFO] [stderr]    Compiling tempfile v3.9.0
[INFO] [stderr]    Compiling regex v1.9.5
[INFO] [stderr]    Compiling predicates v3.0.4
[INFO] [stderr]    Compiling assert_cmd v2.0.13
[INFO] [stderr]    Compiling kvs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `KvsError`
[INFO] [stdout]  --> src/kv.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{KvsError, Result};
[INFO] [stdout]   |             ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/kv.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn open(path: &Path) -> Result<Self> {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/tests.rs:194:9
[INFO] [stdout]     |
[INFO] [stdout] 194 |     let mut store = KvStore::open(temp_dir.path())?;
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/tests.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |     let mut store = KvStore::open(temp_dir.path())?;
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/tests.rs:292:13
[INFO] [stdout]     |
[INFO] [stdout] 292 |         let mut store = KvStore::open(temp_dir.path())?;
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Command` is never used
[INFO] [stdout]   --> src/kv.rs:42:6
[INFO] [stdout]    |
[INFO] [stdout] 42 | enum Command {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `set` and `remove` are never used
[INFO] [stdout]   --> src/kv.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl Command {
[INFO] [stdout]    | ------------ associated functions in this implementation
[INFO] [stdout] 48 |     fn set(key: String, value: String) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn remove(key: String) -> Command {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CommandPos` is never constructed
[INFO] [stdout]   --> src/kv.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | struct CommandPos {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BufReaderWithPos` is never constructed
[INFO] [stdout]   --> src/kv.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 69 | struct BufReaderWithPos<R: Read + Seek> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/kv.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 74 | impl<R: Read + Seek> BufReaderWithPos<R>  {
[INFO] [stdout]    | ---------------------------------------- associated function in this implementation
[INFO] [stdout] 75 |     fn new(mut inner: R) -> Result<Self> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BufWriterWithPos` is never constructed
[INFO] [stdout]   --> src/kv.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 97 | struct BufWriterWithPos<W: Write + Seek> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/kv.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout] 102 | impl <W: Write + Seek> BufWriterWithPos<W> {
[INFO] [stdout]     | ------------------------------------------ associated function in this implementation
[INFO] [stdout] 103 |     fn new(mut inner: W) -> Result<Self> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 26.16s
[INFO] running `Command { std: "docker" "inspect" "5aaaeb0d2b29144d489d1ba714dad690cded640fae5cd06934cf496543b296aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aaaeb0d2b29144d489d1ba714dad690cded640fae5cd06934cf496543b296aa", kill_on_drop: false }`
[INFO] [stdout] 5aaaeb0d2b29144d489d1ba714dad690cded640fae5cd06934cf496543b296aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7832a3a2ce0a9f42d03a0b8bf3fddb007a7d113f09e52c6e2c4e704a9c4c7bbf
[INFO] running `Command { std: "docker" "start" "-a" "7832a3a2ce0a9f42d03a0b8bf3fddb007a7d113f09e52c6e2c4e704a9c4c7bbf", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `KvsError`
[INFO] [stderr]  --> src/kv.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::{KvsError, Result};
[INFO] [stderr]   |             ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/kv.rs:11:17
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn open(path: &Path) -> Result<Self> {
[INFO] [stderr]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Command` is never used
[INFO] [stderr]   --> src/kv.rs:42:6
[INFO] [stderr]    |
[INFO] [stderr] 42 | enum Command {
[INFO] [stderr]    |      ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `set` and `remove` are never used
[INFO] [stderr]   --> src/kv.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 47 | impl Command {
[INFO] [stderr]    | ------------ associated functions in this implementation
[INFO] [stderr] 48 |     fn set(key: String, value: String) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 52 |     fn remove(key: String) -> Command {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `CommandPos` is never constructed
[INFO] [stderr]   --> src/kv.rs:57:8
[INFO] [stderr]    |
[INFO] [stderr] 57 | struct CommandPos {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `BufReaderWithPos` is never constructed
[INFO] [stderr]   --> src/kv.rs:69:8
[INFO] [stderr]    |
[INFO] [stderr] 69 | struct BufReaderWithPos<R: Read + Seek> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/kv.rs:75:8
[INFO] [stderr]    |
[INFO] [stderr] 74 | impl<R: Read + Seek> BufReaderWithPos<R>  {
[INFO] [stderr]    | ---------------------------------------- associated function in this implementation
[INFO] [stderr] 75 |     fn new(mut inner: R) -> Result<Self> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `BufWriterWithPos` is never constructed
[INFO] [stderr]   --> src/kv.rs:97:8
[INFO] [stderr]    |
[INFO] [stderr] 97 | struct BufWriterWithPos<W: Write + Seek> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]    --> src/kv.rs:103:8
[INFO] [stderr]     |
[INFO] [stderr] 102 | impl <W: Write + Seek> BufWriterWithPos<W> {
[INFO] [stderr]     | ------------------------------------------ associated function in this implementation
[INFO] [stderr] 103 |     fn new(mut inner: W) -> Result<Self> {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `kvs` (lib) generated 9 warnings (run `cargo fix --lib -p kvs` to apply 2 suggestions)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/tests.rs:194:9
[INFO] [stderr]     |
[INFO] [stderr] 194 |     let mut store = KvStore::open(temp_dir.path())?;
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/tests.rs:233:9
[INFO] [stderr]     |
[INFO] [stderr] 233 |     let mut store = KvStore::open(temp_dir.path())?;
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/tests.rs:292:13
[INFO] [stderr]     |
[INFO] [stderr] 292 |         let mut store = KvStore::open(temp_dir.path())?;
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `kvs` (test "tests") generated 3 warnings (run `cargo fix --test "tests" -p kvs` to apply 3 suggestions)
[INFO] [stderr] warning: `kvs` (lib test) generated 9 warnings (9 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kvs-a33f74c6fd35179f)
[INFO] [stderr]      Running unittests src/bin/kvs.rs (/opt/rustwide/target/debug/deps/kvs-2ad7a2db87a9d75a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-9465f8c0efba0e69)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test cli_get_stored ... FAILED
[INFO] [stdout] test cli_rm_stored ... FAILED
[INFO] [stdout] test cli_get_non_existent_key has been running for over 60 seconds
[INFO] [stdout] test cli_invalid_get has been running for over 60 seconds
[INFO] [stdout] test cli_invalid_rm has been running for over 60 seconds
[INFO] [stdout] test cli_invalid_set has been running for over 60 seconds
[INFO] [stdout] test cli_invalid_subcommand has been running for over 60 seconds
[INFO] [stdout] test cli_no_args has been running for over 60 seconds
[INFO] [stdout] test cli_rm_non_existent_key has been running for over 60 seconds
[INFO] [stdout] test cli_set has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "7832a3a2ce0a9f42d03a0b8bf3fddb007a7d113f09e52c6e2c4e704a9c4c7bbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7832a3a2ce0a9f42d03a0b8bf3fddb007a7d113f09e52c6e2c4e704a9c4c7bbf", kill_on_drop: false }`
[INFO] [stdout] 7832a3a2ce0a9f42d03a0b8bf3fddb007a7d113f09e52c6e2c4e704a9c4c7bbf
