[INFO] cloning repository https://github.com/AraMambreyan/ToyBitcask
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AraMambreyan/ToyBitcask" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAraMambreyan%2FToyBitcask", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAraMambreyan%2FToyBitcask'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a094d3e25d23846cb242f7dda13f60476a8de693
[INFO] testing AraMambreyan/ToyBitcask against 1.99.0-beta.8 for beta-1.100-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAraMambreyan%2FToyBitcask" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AraMambreyan/ToyBitcask
[INFO] finished tweaking git repo https://github.com/AraMambreyan/ToyBitcask
[INFO] tweaked toml for git repo https://github.com/AraMambreyan/ToyBitcask written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AraMambreyan/ToyBitcask on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AraMambreyan/ToyBitcask 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded walkdir v2.3.3
[INFO] [stderr]   Downloaded itoa v1.0.6
[INFO] [stderr]   Downloaded predicates-core v1.0.6
[INFO] [stderr]   Downloaded predicates-tree v1.0.9
[INFO] [stderr]   Downloaded normalize-line-endings v0.3.0
[INFO] [stderr]   Downloaded float-cmp v0.8.0
[INFO] [stderr]   Downloaded termtree v0.4.1
[INFO] [stderr]   Downloaded tempfile v3.5.0
[INFO] [stderr]   Downloaded quote v1.0.26
[INFO] [stderr]   Downloaded escargot v0.4.0
[INFO] [stderr]   Downloaded unicode-ident v1.0.8
[INFO] [stderr]   Downloaded proc-macro2 v1.0.56
[INFO] [stderr]   Downloaded addr2line v0.19.0
[INFO] [stderr]   Downloaded assert_cmd v0.11.1
[INFO] [stderr]   Downloaded io-lifetimes v1.0.10
[INFO] [stderr]   Downloaded ryu v1.0.13
[INFO] [stderr]   Downloaded predicates v1.0.8
[INFO] [stderr]   Downloaded serde_derive v1.0.160
[INFO] [stderr]   Downloaded backtrace v0.3.67
[INFO] [stderr]   Downloaded serde v1.0.160
[INFO] [stderr]   Downloaded serde_json v1.0.96
[INFO] [stderr]   Downloaded difference v2.0.0
[INFO] [stderr]   Downloaded syn v2.0.15
[INFO] [stderr]   Downloaded regex v1.7.3
[INFO] [stderr]   Downloaded object v0.30.3
[INFO] [stderr]   Downloaded rustix v0.37.13
[INFO] [stderr]   Downloaded libc v0.2.142
[INFO] [stderr]   Downloaded gimli v0.27.2
[INFO] [stderr]   Downloaded linux-raw-sys v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6fbe6cf070547606001d680df66c8352ae46a0fc087e0b3112311b5848929c42
[INFO] running `Command { std: "docker" "start" "6fbe6cf070547606001d680df66c8352ae46a0fc087e0b3112311b5848929c42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fbe6cf070547606001d680df66c8352ae46a0fc087e0b3112311b5848929c42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6fbe6cf070547606001d680df66c8352ae46a0fc087e0b3112311b5848929c42" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fbe6cf070547606001d680df66c8352ae46a0fc087e0b3112311b5848929c42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6fbe6cf070547606001d680df66c8352ae46a0fc087e0b3112311b5848929c42" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling gimli v0.27.2
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling object v0.30.3
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling addr2line v0.19.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling kvs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/errors.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn from(err: io::Error) -> DatabaseError {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/errors.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn from(err: serde_json::Error) -> DatabaseError {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.01s
[INFO] running `Command { std: "docker" "inspect" "6fbe6cf070547606001d680df66c8352ae46a0fc087e0b3112311b5848929c42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6fbe6cf070547606001d680df66c8352ae46a0fc087e0b3112311b5848929c42" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling predicates-core v1.0.6
[INFO] [stderr]    Compiling rustix v0.37.13
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling linux-raw-sys v0.3.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling termtree v0.4.1
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/errors.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn from(err: io::Error) -> DatabaseError {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/errors.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn from(err: serde_json::Error) -> DatabaseError {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling predicates-tree v1.0.9
[INFO] [stderr]    Compiling walkdir v2.3.3
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling regex v1.7.3
[INFO] [stderr]    Compiling tempfile v3.5.0
[INFO] [stderr]    Compiling predicates v1.0.8
[INFO] [stderr]    Compiling assert_cmd v0.11.1
[INFO] [stderr]    Compiling kvs v0.1.0 (/opt/rustwide/workdir)
[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:294:13
[INFO] [stdout]     |
[INFO] [stdout] 294 |         let mut store = KvStore::open(temp_dir.path())?;
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 16.12s
[INFO] running `Command { std: "docker" "inspect" "6fbe6cf070547606001d680df66c8352ae46a0fc087e0b3112311b5848929c42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6fbe6cf070547606001d680df66c8352ae46a0fc087e0b3112311b5848929c42" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/errors.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn from(err: io::Error) -> DatabaseError {
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/errors.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn from(err: serde_json::Error) -> DatabaseError {
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: `kvs` (lib) generated 2 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:294:13
[INFO] [stderr]     |
[INFO] [stderr] 294 |         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 0.09s
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-baa1d9a1e6ffa7aa)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test cli_get_non_existent_key ... ok
[INFO] [stdout] test cli_get_stored ... ok
[INFO] [stdout] test cli_set ... ok
[INFO] [stdout] test cli_no_args ... ok
[INFO] [stdout] test cli_invalid_get ... ok
[INFO] [stdout] test cli_invalid_subcommand ... ok
[INFO] [stdout] test get_non_existent_value ... ok
[INFO] [stdout] test get_stored_value ... ok
[INFO] [stdout] test cli_rm_stored ... ok
[INFO] [stdout] test cli_rm_non_existent_key ... ok
[INFO] [stdout] test cli_version ... ok
[INFO] [stdout] test remove_non_existent_key ... ok
[INFO] [stdout] test cli_invalid_set ... ok
[INFO] [stdout] test overwrite_value ... ok
[INFO] [stdout] test remove_key ... ok
[INFO] [stdout] test cli_invalid_rm ... ok
[INFO] [stdout] test compaction ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6fbe6cf070547606001d680df66c8352ae46a0fc087e0b3112311b5848929c42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fbe6cf070547606001d680df66c8352ae46a0fc087e0b3112311b5848929c42", kill_on_drop: false }`
[INFO] [stdout] 6fbe6cf070547606001d680df66c8352ae46a0fc087e0b3112311b5848929c42