[INFO] cloning repository https://github.com/jtpadilla/rust-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/jtpadilla/rust-mini-redis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtpadilla%2Frust-mini-redis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtpadilla%2Frust-mini-redis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fcbb89254e0c6738dfc2c61b84f43076f439aceb
[INFO] checking jtpadilla/rust-mini-redis against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtpadilla%2Frust-mini-redis" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jtpadilla/rust-mini-redis
[INFO] finished tweaking git repo https://github.com/jtpadilla/rust-mini-redis
[INFO] tweaked toml for git repo https://github.com/jtpadilla/rust-mini-redis written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jtpadilla/rust-mini-redis on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jtpadilla/rust-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b14b1839f04de0e2fe7c44093088e267f26d8ad19a7cbb49b7695e23def66ba
[INFO] running `Command { std: "docker" "start" "-a" "5b14b1839f04de0e2fe7c44093088e267f26d8ad19a7cbb49b7695e23def66ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b14b1839f04de0e2fe7c44093088e267f26d8ad19a7cbb49b7695e23def66ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b14b1839f04de0e2fe7c44093088e267f26d8ad19a7cbb49b7695e23def66ba", kill_on_drop: false }`
[INFO] [stdout] 5b14b1839f04de0e2fe7c44093088e267f26d8ad19a7cbb49b7695e23def66ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f944981fc21113352e98d8e361c5a18b892fe24b156461182f1296761cc793bc
[INFO] running `Command { std: "docker" "start" "-a" "f944981fc21113352e98d8e361c5a18b892fe24b156461182f1296761cc793bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking tracing-core v0.1.27
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling indexmap v1.9.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot_core v0.9.3
[INFO] [stderr]     Checking mio v0.8.3
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking hashbrown v0.12.1
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking atoi v0.3.3
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling clap_derive v3.2.7
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]     Checking tokio v1.19.2
[INFO] [stderr]     Checking async-stream v0.3.3
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking tracing v0.1.35
[INFO] [stderr]     Checking tracing-subscriber v0.3.11
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking clap v3.2.12
[INFO] [stderr]     Checking tokio-stream v0.1.9
[INFO] [stderr]     Checking mini-redis v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/cli.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     host: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/cli.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         msg: Option<String>,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mini-redis` (bin "mini-redis-cli") due to 6 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/cli.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         key: String,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/cli.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         key: String,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/cli.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         channel: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/cli.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         channels: Vec<String>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/cli.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     host: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/cli.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         msg: Option<String>,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/cli.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         key: String,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/cli.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         key: String,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/cli.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         channel: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/cli.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         channels: Vec<String>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mini-redis` (bin "mini-redis-cli" test) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "f944981fc21113352e98d8e361c5a18b892fe24b156461182f1296761cc793bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f944981fc21113352e98d8e361c5a18b892fe24b156461182f1296761cc793bc", kill_on_drop: false }`
[INFO] [stdout] f944981fc21113352e98d8e361c5a18b892fe24b156461182f1296761cc793bc
