[INFO] cloning repository https://github.com/dharanad/kvs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dharanad/kvs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdharanad%2Fkvs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdharanad%2Fkvs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 98a39945cc22bca718a5a432d3982c54b7c3ec94
[INFO] checking dharanad/kvs against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdharanad%2Fkvs" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dharanad/kvs on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dharanad/kvs
[INFO] finished tweaking git repo https://github.com/dharanad/kvs
[INFO] tweaked toml for git repo https://github.com/dharanad/kvs written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dharanad/kvs 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.76
[INFO] [stderr]   Downloaded walkdir v2.4.0
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[INFO] [stderr]   Downloaded serde_derive v1.0.195
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86fda56dac3ece6d6fa908da50e63930ca92501505d37d113414249cd41a009c
[INFO] running `Command { std: "docker" "start" "-a" "86fda56dac3ece6d6fa908da50e63930ca92501505d37d113414249cd41a009c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86fda56dac3ece6d6fa908da50e63930ca92501505d37d113414249cd41a009c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86fda56dac3ece6d6fa908da50e63930ca92501505d37d113414249cd41a009c", kill_on_drop: false }`
[INFO] [stdout] 86fda56dac3ece6d6fa908da50e63930ca92501505d37d113414249cd41a009c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c57bbc83faa98d858eaeae4530bab8558ae46e1c9976306571c8988fe8567e71
[INFO] running `Command { std: "docker" "start" "-a" "c57bbc83faa98d858eaeae4530bab8558ae46e1c9976306571c8988fe8567e71", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling virtue v0.0.13
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]    Compiling rustix v0.38.30
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking anstream v0.6.7
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking clap_builder v4.4.17
[INFO] [stderr]    Compiling bincode_derive v2.0.0-rc.3
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking bincode v2.0.0-rc.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]     Checking clap v4.4.17
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]     Checking ron v0.8.1
[INFO] [stderr]     Checking kvs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `anyhow::__private::kind::TraitKind`
[INFO] [stdout]  --> src/datafile.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use anyhow::__private::kind::TraitKind;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/datafile.rs:4:37
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{BufReader, BufWriter, Read, Seek, SeekFrom, Write};
[INFO] [stdout]   |                                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `path` and `old_datafiles` are never read
[INFO] [stdout]   --> src/kv.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct KvStore {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 14 |     path: PathBuf,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     old_datafiles: Vec<DataFile>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `key_offset` is never read
[INFO] [stdout]    --> src/datafile.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub struct LogReadResult {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 125 |     pub key_offset: u64,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `LogReadResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `file_id` is never read
[INFO] [stdout]  --> src/index.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Entry {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 5 |     pub file_id: String,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Entry` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking assert_cmd v0.11.1
[INFO] [stderr]     Checking tempfile v3.9.0
[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)]` 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::__private::kind::TraitKind`
[INFO] [stdout]  --> src/datafile.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use anyhow::__private::kind::TraitKind;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/datafile.rs:4:37
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{BufReader, BufWriter, Read, Seek, SeekFrom, Write};
[INFO] [stdout]   |                                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `path` and `old_datafiles` are never read
[INFO] [stdout]   --> src/kv.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct KvStore {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 14 |     path: PathBuf,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     old_datafiles: Vec<DataFile>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `key_offset` is never read
[INFO] [stdout]    --> src/datafile.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub struct LogReadResult {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 125 |     pub key_offset: u64,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `LogReadResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `file_id` is never read
[INFO] [stdout]  --> src/index.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Entry {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 5 |     pub file_id: String,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Entry` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.75s
[INFO] running `Command { std: "docker" "inspect" "c57bbc83faa98d858eaeae4530bab8558ae46e1c9976306571c8988fe8567e71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c57bbc83faa98d858eaeae4530bab8558ae46e1c9976306571c8988fe8567e71", kill_on_drop: false }`
[INFO] [stdout] c57bbc83faa98d858eaeae4530bab8558ae46e1c9976306571c8988fe8567e71