[INFO] cloning repository https://github.com/Josh-zjx/Codecrafters-redis-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Josh-zjx/Codecrafters-redis-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJosh-zjx%2FCodecrafters-redis-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJosh-zjx%2FCodecrafters-redis-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 864f4f127d6fd34d878cc8cb1768b2281b69f200 [INFO] checking Josh-zjx/Codecrafters-redis-rust 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%2FJosh-zjx%2FCodecrafters-redis-rust" "/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/Josh-zjx/Codecrafters-redis-rust [INFO] finished tweaking git repo https://github.com/Josh-zjx/Codecrafters-redis-rust [INFO] tweaked toml for git repo https://github.com/Josh-zjx/Codecrafters-redis-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Josh-zjx/Codecrafters-redis-rust 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/Josh-zjx/Codecrafters-redis-rust 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 01b11f3c97dc5508d5f142843c27f894d0cd549170e1ee29926e5c6576235afd [INFO] running `Command { std: "docker" "start" "-a" "01b11f3c97dc5508d5f142843c27f894d0cd549170e1ee29926e5c6576235afd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "01b11f3c97dc5508d5f142843c27f894d0cd549170e1ee29926e5c6576235afd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01b11f3c97dc5508d5f142843c27f894d0cd549170e1ee29926e5c6576235afd", kill_on_drop: false }` [INFO] [stdout] 01b11f3c97dc5508d5f142843c27f894d0cd549170e1ee29926e5c6576235afd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 34bce4e7f9837b6dfd6a4726765f3e1cd6125b11747ee0ae823e03a595db076d [INFO] running `Command { std: "docker" "start" "-a" "34bce4e7f9837b6dfd6a4726765f3e1cd6125b11747ee0ae823e03a595db076d", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-segmentation v1.11.0 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking parking_lot_core v0.9.9 [INFO] [stderr] Compiling syn v2.0.55 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking itertools v0.12.1 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking tokio v1.36.0 [INFO] [stderr] Checking thiserror v1.0.58 [INFO] [stderr] Checking redis-starter-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/message.rs:157:53 [INFO] [stdout] | [INFO] [stdout] 157 | fn from_str(s: &str) -> Result { [INFO] [stdout] | _____________________________________________________^ [INFO] [stdout] 158 | | let params: Vec<&str> = s.split("\r\n").collect(); [INFO] [stdout] 159 | | let array_length = params.first().expect("Cannot find the operator num")[1..] [INFO] [stdout] 160 | | .parse() [INFO] [stdout] ... | [INFO] [stdout] 174 | | Ok(message) [INFO] [stdout] 175 | | } [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 [INFO] [stdout] --> src/message.rs:174:9 [INFO] [stdout] | [INFO] [stdout] 174 | Ok(message) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/message.rs:308:13 [INFO] [stdout] | [INFO] [stdout] 308 | Message::from_str(test_message.to_string().as_str()).unwrap() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/message.rs:317:13 [INFO] [stdout] | [INFO] [stdout] 317 | Message::from_str(test_message.to_string().as_str()).unwrap() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `redis-starter-rust` (bin "redis-starter-rust" test) due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/message.rs:157:53 [INFO] [stdout] | [INFO] [stdout] 157 | fn from_str(s: &str) -> Result { [INFO] [stdout] | _____________________________________________________^ [INFO] [stdout] 158 | | let params: Vec<&str> = s.split("\r\n").collect(); [INFO] [stdout] 159 | | let array_length = params.first().expect("Cannot find the operator num")[1..] [INFO] [stdout] 160 | | .parse() [INFO] [stdout] ... | [INFO] [stdout] 174 | | Ok(message) [INFO] [stdout] 175 | | } [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 [INFO] [stdout] --> src/message.rs:174:9 [INFO] [stdout] | [INFO] [stdout] 174 | Ok(message) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `redis-starter-rust` (bin "redis-starter-rust") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "34bce4e7f9837b6dfd6a4726765f3e1cd6125b11747ee0ae823e03a595db076d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "34bce4e7f9837b6dfd6a4726765f3e1cd6125b11747ee0ae823e03a595db076d", kill_on_drop: false }` [INFO] [stdout] 34bce4e7f9837b6dfd6a4726765f3e1cd6125b11747ee0ae823e03a595db076d