[INFO] cloning repository https://github.com/freejool/mini-redis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/freejool/mini-redis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffreejool%2Fmini-redis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffreejool%2Fmini-redis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b3e90888c150b0d1d3ac9dd566e3d4bc4a3e1db0
[INFO] testing freejool/mini-redis against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffreejool%2Fmini-redis" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/freejool/mini-redis
[INFO] finished tweaking git repo https://github.com/freejool/mini-redis
[INFO] tweaked toml for git repo https://github.com/freejool/mini-redis written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/freejool/mini-redis on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/freejool/mini-redis 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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] ee6fd5c21058799790c8eee1b2250993c5f21543917b1f74332f4956f58ba82f
[INFO] running `Command { std: "docker" "start" "ee6fd5c21058799790c8eee1b2250993c5f21543917b1f74332f4956f58ba82f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee6fd5c21058799790c8eee1b2250993c5f21543917b1f74332f4956f58ba82f", 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" "ee6fd5c21058799790c8eee1b2250993c5f21543917b1f74332f4956f58ba82f" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee6fd5c21058799790c8eee1b2250993c5f21543917b1f74332f4956f58ba82f", 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" "ee6fd5c21058799790c8eee1b2250993c5f21543917b1f74332f4956f58ba82f" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling smallvec v1.15.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling autocfg v1.5.1
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling unicode-segmentation v1.13.3
[INFO] [stderr]    Compiling log v0.4.33
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thread_local v1.1.10
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling futures-core v0.3.33
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling bytes v1.12.1
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.65
[INFO] [stderr]    Compiling tracing-subscriber v0.3.23
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling mio v1.2.2
[INFO] [stderr]    Compiling socket2 v0.6.5
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling chrono v0.4.45
[INFO] [stderr]    Compiling atoi v3.1.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling pin-project-internal v1.1.13
[INFO] [stderr]    Compiling tokio-macros v2.7.1
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling tokio v1.53.0
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling pin-project v1.1.13
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling tracing-error v0.2.1
[INFO] [stderr]    Compiling tokio-stream v0.1.18
[INFO] [stderr]    Compiling mini-redis v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/cmd/hash/hget.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         db.hset(self.key, self.hash_key, self.hash_value)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Result<(), Box<dyn Error + Send + Sync>>`, found `()`
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `std::result::Result<(), Box<dyn std::error::Error + Send + Sync>>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] note: return type inferred to be `std::result::Result<(), Box<dyn std::error::Error + Send + Sync>>` here
[INFO] [stdout]   --> src/cmd/hash/hget.rs:42:71
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub(crate) async fn apply(self, db: &Db, dst: &mut Connection) -> crate::Result<()> {
[INFO] [stdout]    |                                                                       ^^^^^
[INFO] [stdout] help: try wrapping the expression in `Ok`
[INFO] [stdout]    |
[INFO] [stdout] 43 |         Ok(db.hset(self.key, self.hash_key, self.hash_value))
[INFO] [stdout]    |         +++                                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash_key`
[INFO] [stdout]    --> src/db.rs:253:44
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub(crate) fn hset(&self, key: String, hash_key: String, hash_value: Bytes) {
[INFO] [stdout]     |                                            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hash_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash_value`
[INFO] [stdout]    --> src/db.rs:253:62
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub(crate) fn hset(&self, key: String, hash_key: String, hash_value: Bytes) {
[INFO] [stdout]     |                                                              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hash_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prev`
[INFO] [stdout]    --> src/db.rs:257:13
[INFO] [stdout]     |
[INFO] [stdout] 257 |         let prev = state.entries.insert(
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_prev`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mini-redis` (lib) due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ee6fd5c21058799790c8eee1b2250993c5f21543917b1f74332f4956f58ba82f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee6fd5c21058799790c8eee1b2250993c5f21543917b1f74332f4956f58ba82f", kill_on_drop: false }`
[INFO] [stdout] ee6fd5c21058799790c8eee1b2250993c5f21543917b1f74332f4956f58ba82f
