[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#0d162b25edd5bf0dba9a22e83b614f1113e90474 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOhAnotherTag%2Fkeyz" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-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-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/OhAnotherTag/keyz on toolchain 0d162b25edd5bf0dba9a22e83b614f1113e90474
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "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" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded difflib v0.4.0
[INFO] [stderr]   Downloaded shlex v1.2.0
[INFO] [stderr]   Downloaded normalize-line-endings v0.3.0
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[INFO] [stderr]   Downloaded float-cmp v0.9.0
[INFO] [stderr]   Downloaded predicates-core v1.0.6
[INFO] [stderr]   Downloaded termtree v0.4.1
[INFO] [stderr]   Downloaded wait-timeout v0.2.0
[INFO] [stderr]   Downloaded predicates-tree v1.0.9
[INFO] [stderr]   Downloaded clap v4.4.16
[INFO] [stderr]   Downloaded anyhow v1.0.79
[INFO] [stderr]   Downloaded assert_cmd v2.0.13
[INFO] [stderr]   Downloaded anstream v0.6.7
[INFO] [stderr]   Downloaded clap_builder v4.4.16
[INFO] [stderr]   Downloaded rustix v0.38.30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ace44c187401147f6f1d8df440ec061a645c0c266fc432b5e493c3aaeaf68e46
[INFO] running `Command { std: "docker" "start" "-a" "ace44c187401147f6f1d8df440ec061a645c0c266fc432b5e493c3aaeaf68e46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ace44c187401147f6f1d8df440ec061a645c0c266fc432b5e493c3aaeaf68e46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ace44c187401147f6f1d8df440ec061a645c0c266fc432b5e493c3aaeaf68e46", kill_on_drop: false }`
[INFO] [stdout] ace44c187401147f6f1d8df440ec061a645c0c266fc432b5e493c3aaeaf68e46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4eb9b8568a5be7819da94b3cdef08c116c7a61a7b3db0a18afdd1fa9fd17a2d
[INFO] running `Command { std: "docker" "start" "-a" "f4eb9b8568a5be7819da94b3cdef08c116c7a61a7b3db0a18afdd1fa9fd17a2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling anstyle-query v1.0.2
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling clap_lex v0.6.0
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling shlex v1.2.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.3
[INFO] [stderr]    Compiling anstream v0.6.7
[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 14.46s
[INFO] running `Command { std: "docker" "inspect" "f4eb9b8568a5be7819da94b3cdef08c116c7a61a7b3db0a18afdd1fa9fd17a2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4eb9b8568a5be7819da94b3cdef08c116c7a61a7b3db0a18afdd1fa9fd17a2d", kill_on_drop: false }`
[INFO] [stdout] f4eb9b8568a5be7819da94b3cdef08c116c7a61a7b3db0a18afdd1fa9fd17a2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a6e99835313efe49ca468d6328e8b71e76d4cf668960386148f95fb30dbeb03
[INFO] running `Command { std: "docker" "start" "-a" "7a6e99835313efe49ca468d6328e8b71e76d4cf668960386148f95fb30dbeb03", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.1
[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 predicates-core v1.0.6
[INFO] [stderr]    Compiling rustix v0.38.30
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling termtree v0.4.1
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.12
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling same-file v1.0.6
[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 walkdir v2.4.0
[INFO] [stderr]    Compiling predicates-tree v1.0.9
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling aho-corasick v1.0.5
[INFO] [stderr]    Compiling bstr v1.9.0
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[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 14.63s
[INFO] running `Command { std: "docker" "inspect" "7a6e99835313efe49ca468d6328e8b71e76d4cf668960386148f95fb30dbeb03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a6e99835313efe49ca468d6328e8b71e76d4cf668960386148f95fb30dbeb03", kill_on_drop: false }`
[INFO] [stdout] 7a6e99835313efe49ca468d6328e8b71e76d4cf668960386148f95fb30dbeb03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 745bfdae232077262417419f267de663e9fbc4c5b65df359a948e542736bea95
[INFO] running `Command { std: "docker" "start" "-a" "745bfdae232077262417419f267de663e9fbc4c5b65df359a948e542736bea95", 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: `kvs` (lib test) generated 9 warnings (9 duplicates)
[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]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kvs-e12a4c138e92d5a6)
[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] [stderr]      Running unittests src/bin/kvs.rs (/opt/rustwide/target/debug/deps/kvs-17a39b8e957dd9fb)
[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] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-54aca797bbac4999)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test cli_get_stored ... FAILED
[INFO] [stdout] test get_non_existent_value ... FAILED
[INFO] [stdout] test remove_key ... FAILED
[INFO] [stdout] test get_stored_value ... FAILED
[INFO] [stdout] test overwrite_value ... FAILED
[INFO] [stdout] test compaction ... FAILED
[INFO] [stdout] test cli_rm_stored ... FAILED
[INFO] [stdout] test remove_non_existent_key ... 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
[INFO] [stdout] test cli_version has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "745bfdae232077262417419f267de663e9fbc4c5b65df359a948e542736bea95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "745bfdae232077262417419f267de663e9fbc4c5b65df359a948e542736bea95", kill_on_drop: false }`
[INFO] [stdout] 745bfdae232077262417419f267de663e9fbc4c5b65df359a948e542736bea95
