[INFO] fetching crate qwal 0.1.0... [INFO] checking qwal-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate qwal 0.1.0 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate qwal 0.1.0 [INFO] finished tweaking crates.io crate qwal 0.1.0 [INFO] tweaked toml for crates.io crate qwal 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate qwal 0.1.0 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 crates.io crate qwal 0.1.0 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 94aa2049fec1aebb9847658a6e5ae69b9afb852e9a513a3e01d6c14cb0d59dc9 [INFO] running `Command { std: "docker" "start" "-a" "94aa2049fec1aebb9847658a6e5ae69b9afb852e9a513a3e01d6c14cb0d59dc9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "94aa2049fec1aebb9847658a6e5ae69b9afb852e9a513a3e01d6c14cb0d59dc9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94aa2049fec1aebb9847658a6e5ae69b9afb852e9a513a3e01d6c14cb0d59dc9", kill_on_drop: false }` [INFO] [stdout] 94aa2049fec1aebb9847658a6e5ae69b9afb852e9a513a3e01d6c14cb0d59dc9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 8a3e0acd1078d82716980b2d0ddf5b00f4b3313a5ed10872ebee29fc52dbcda0 [INFO] running `Command { std: "docker" "start" "-a" "8a3e0acd1078d82716980b2d0ddf5b00f4b3313a5ed10872ebee29fc52dbcda0", kill_on_drop: false }` [INFO] [stderr] Compiling rustix v0.38.32 [INFO] [stderr] Checking fastrand v2.0.2 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking tempfile v3.10.1 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking qwal v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: std::result::Result, Infallible> [INFO] [stdout] --> src/entry.rs:28:56 [INFO] [stdout] | [INFO] [stdout] 28 | fn serialize(self) -> Result, Self::Error> { [INFO] [stdout] | ________________________________________________________^ [INFO] [stdout] 29 | | Ok(self) [INFO] [stdout] 30 | | } [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: std::result::Result, Infallible> [INFO] [stdout] --> src/entry.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | Ok(self) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result, Infallible> [INFO] [stdout] --> src/entry.rs:32:72 [INFO] [stdout] | [INFO] [stdout] 32 | fn deserialize(data: Vec) -> Result { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 33 | | Ok(data) [INFO] [stdout] 34 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result, Infallible> [INFO] [stdout] --> src/entry.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | Ok(data) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result, Infallible> [INFO] [stdout] --> src/entry.rs:40:56 [INFO] [stdout] | [INFO] [stdout] 40 | fn serialize(self) -> Result, Self::Error> { [INFO] [stdout] | ________________________________________________________^ [INFO] [stdout] 41 | | Ok(self.to_vec()) [INFO] [stdout] 42 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result, Infallible> [INFO] [stdout] --> src/entry.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | Ok(self.to_vec()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result, Infallible> [INFO] [stdout] --> src/entry.rs:44:72 [INFO] [stdout] | [INFO] [stdout] 44 | fn deserialize(data: Vec) -> Result { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 45 | | Ok(data) [INFO] [stdout] 46 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result, Infallible> [INFO] [stdout] --> src/entry.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | Ok(data) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `qwal` (lib) due to 8 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: std::result::Result, Infallible> [INFO] [stdout] --> src/entry.rs:28:56 [INFO] [stdout] | [INFO] [stdout] 28 | fn serialize(self) -> Result, Self::Error> { [INFO] [stdout] | ________________________________________________________^ [INFO] [stdout] 29 | | Ok(self) [INFO] [stdout] 30 | | } [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: std::result::Result, Infallible> [INFO] [stdout] --> src/entry.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | Ok(self) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result, Infallible> [INFO] [stdout] --> src/entry.rs:32:72 [INFO] [stdout] | [INFO] [stdout] 32 | fn deserialize(data: Vec) -> Result { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 33 | | Ok(data) [INFO] [stdout] 34 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result, Infallible> [INFO] [stdout] --> src/entry.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | Ok(data) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result, Infallible> [INFO] [stdout] --> src/entry.rs:40:56 [INFO] [stdout] | [INFO] [stdout] 40 | fn serialize(self) -> Result, Self::Error> { [INFO] [stdout] | ________________________________________________________^ [INFO] [stdout] 41 | | Ok(self.to_vec()) [INFO] [stdout] 42 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result, Infallible> [INFO] [stdout] --> src/entry.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | Ok(self.to_vec()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result, Infallible> [INFO] [stdout] --> src/entry.rs:44:72 [INFO] [stdout] | [INFO] [stdout] 44 | fn deserialize(data: Vec) -> Result { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 45 | | Ok(data) [INFO] [stdout] 46 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result, Infallible> [INFO] [stdout] --> src/entry.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | Ok(data) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `qwal` (lib test) due to 8 previous errors [INFO] running `Command { std: "docker" "inspect" "8a3e0acd1078d82716980b2d0ddf5b00f4b3313a5ed10872ebee29fc52dbcda0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a3e0acd1078d82716980b2d0ddf5b00f4b3313a5ed10872ebee29fc52dbcda0", kill_on_drop: false }` [INFO] [stdout] 8a3e0acd1078d82716980b2d0ddf5b00f4b3313a5ed10872ebee29fc52dbcda0