[INFO] cloning repository https://github.com/akikgt/rskvs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/akikgt/rskvs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakikgt%2Frskvs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakikgt%2Frskvs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7b2f328341ce861c1e2cb4f8c5f39396a338695e
[INFO] testing akikgt/rskvs 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%2Fakikgt%2Frskvs" "/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/akikgt/rskvs
[INFO] finished tweaking git repo https://github.com/akikgt/rskvs
[INFO] tweaked toml for git repo https://github.com/akikgt/rskvs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/akikgt/rskvs 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/akikgt/rskvs 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]  Downloading crates ...
[INFO] [stderr]   Downloaded predicates v1.0.6
[INFO] [stderr]   Downloaded predicates-core v1.0.1
[INFO] [stderr]   Downloaded thread_local v1.0.1
[INFO] [stderr]   Downloaded os_str_bytes v2.4.0
[INFO] [stderr]   Downloaded predicates-tree v1.0.1
[INFO] [stderr]   Downloaded assert_cmd v1.0.2
[INFO] [stderr]   Downloaded clap_derive v3.0.0-beta.2
[INFO] [stderr]   Downloaded textwrap v0.12.1
[INFO] [stderr]   Downloaded indexmap v1.6.1
[INFO] [stderr]   Downloaded heck v0.3.2
[INFO] [stderr]   Downloaded regex-syntax v0.6.21
[INFO] [stderr]   Downloaded clap v3.0.0-beta.2
[INFO] [stderr]   Downloaded syn v1.0.57
[INFO] [stderr]   Downloaded regex v1.4.2
[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] ee75cd541099445fb54adbea7090c23317e94601b94f75b279b96bb27a38f749
[INFO] running `Command { std: "docker" "start" "ee75cd541099445fb54adbea7090c23317e94601b94f75b279b96bb27a38f749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee75cd541099445fb54adbea7090c23317e94601b94f75b279b96bb27a38f749", 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" "ee75cd541099445fb54adbea7090c23317e94601b94f75b279b96bb27a38f749" "/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" "ee75cd541099445fb54adbea7090c23317e94601b94f75b279b96bb27a38f749", 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" "ee75cd541099445fb54adbea7090c23317e94601b94f75b279b96bb27a38f749" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling predicates-core v1.0.1
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling textwrap v0.12.1
[INFO] [stderr]    Compiling predicates-tree v1.0.1
[INFO] [stderr]    Compiling os_str_bytes v2.4.0
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling predicates v1.0.6
[INFO] [stderr]    Compiling assert_cmd v1.0.2
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling clap v3.0.0-beta.2
[INFO] [stderr]    Compiling kvs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/kvs.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut kv: kvs::KvStore = kvs::KvStore::new();
[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: unused variable: `kv`
[INFO] [stdout]   --> src/bin/kvs.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut kv: kvs::KvStore = kvs::KvStore::new();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_kv`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `key` and `value` are never read
[INFO] [stdout]   --> src/bin/kvs.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | struct Opts {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout]  9 |     key: Option<String>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 10 |     #[clap(name = "VALUE")]
[INFO] [stdout] 11 |     value: Option<String>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.36s
[INFO] running `Command { std: "docker" "inspect" "ee75cd541099445fb54adbea7090c23317e94601b94f75b279b96bb27a38f749", 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" "ee75cd541099445fb54adbea7090c23317e94601b94f75b279b96bb27a38f749" "/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 kvs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/kvs.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut kv: kvs::KvStore = kvs::KvStore::new();
[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: unused variable: `kv`
[INFO] [stdout]   --> src/bin/kvs.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut kv: kvs::KvStore = kvs::KvStore::new();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_kv`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `key` and `value` are never read
[INFO] [stdout]   --> src/bin/kvs.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | struct Opts {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout]  9 |     key: Option<String>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 10 |     #[clap(name = "VALUE")]
[INFO] [stdout] 11 |     value: Option<String>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/kvs.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut kv: kvs::KvStore = kvs::KvStore::new();
[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: unused variable: `kv`
[INFO] [stdout]   --> src/bin/kvs.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut kv: kvs::KvStore = kvs::KvStore::new();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_kv`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `key` and `value` are never read
[INFO] [stdout]   --> src/bin/kvs.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | struct Opts {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout]  9 |     key: Option<String>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 10 |     #[clap(name = "VALUE")]
[INFO] [stdout] 11 |     value: Option<String>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "ee75cd541099445fb54adbea7090c23317e94601b94f75b279b96bb27a38f749", 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" "ee75cd541099445fb54adbea7090c23317e94601b94f75b279b96bb27a38f749" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/kvs.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let mut kv: kvs::KvStore = kvs::KvStore::new();
[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: unused variable: `kv`
[INFO] [stderr]   --> src/bin/kvs.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let mut kv: kvs::KvStore = kvs::KvStore::new();
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_kv`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `key` and `value` are never read
[INFO] [stderr]   --> src/bin/kvs.rs:9:5
[INFO] [stderr]    |
[INFO] [stderr]  6 | struct Opts {
[INFO] [stderr]    |        ---- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr]  9 |     key: Option<String>,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 10 |     #[clap(name = "VALUE")]
[INFO] [stderr] 11 |     value: Option<String>,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `kvs` (bin "kvs") generated 3 warnings (run `cargo fix --bin "kvs" -p kvs` to apply 2 suggestions)
[INFO] [stderr] warning: `kvs` (bin "kvs" test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kvs-6da4e2e990e92685)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/kvs.rs (/opt/rustwide/target/debug/deps/kvs-06606f8d025b3197)
[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 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-353c2347b72f19bc)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test remove_key ... ok
[INFO] [stdout] test get_stored_value ... ok
[INFO] [stdout] test cli_no_args ... ok
[INFO] [stdout] test get_non_existent_value ... ok
[INFO] [stdout] test overwrite_value ... ok
[INFO] [stdout] test cli_version ... ok
[INFO] [stdout] test cli_set ... ok
[INFO] [stdout] test cli_get ... ok
[INFO] [stdout] test cli_rm ... ok
[INFO] [stdout] test cli_invalid_subcommand ... ok
[INFO] [stdout] test cli_invalid_set ... ok
[INFO] [stdout] test cli_invalid_get ... ok
[INFO] [stderr]    Doc-tests kvs
[INFO] [stdout] test cli_invalid_rm ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "ee75cd541099445fb54adbea7090c23317e94601b94f75b279b96bb27a38f749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee75cd541099445fb54adbea7090c23317e94601b94f75b279b96bb27a38f749", kill_on_drop: false }`
[INFO] [stdout] ee75cd541099445fb54adbea7090c23317e94601b94f75b279b96bb27a38f749
