[INFO] fetching crate minnow 0.1.0... [INFO] checking minnow-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate minnow 0.1.0 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate minnow 0.1.0 [INFO] finished tweaking crates.io crate minnow 0.1.0 [INFO] tweaked toml for crates.io crate minnow 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate minnow 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 minnow 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 587d9ce2f2ac0534730be6c8a8b7e2c0767bf81e6c6a6cc9cd9e7b89877a4cd6 [INFO] running `Command { std: "docker" "start" "-a" "587d9ce2f2ac0534730be6c8a8b7e2c0767bf81e6c6a6cc9cd9e7b89877a4cd6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "587d9ce2f2ac0534730be6c8a8b7e2c0767bf81e6c6a6cc9cd9e7b89877a4cd6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "587d9ce2f2ac0534730be6c8a8b7e2c0767bf81e6c6a6cc9cd9e7b89877a4cd6", kill_on_drop: false }` [INFO] [stdout] 587d9ce2f2ac0534730be6c8a8b7e2c0767bf81e6c6a6cc9cd9e7b89877a4cd6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 97f215d62fb2d0fc0a6ca4988097951cdcb1fdc9fb7581cc22072bacf5832174 [INFO] running `Command { std: "docker" "start" "-a" "97f215d62fb2d0fc0a6ca4988097951cdcb1fdc9fb7581cc22072bacf5832174", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.37 [INFO] [stderr] Compiling syn v1.0.91 [INFO] [stderr] Compiling bitstream-io v1.2.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling darling_core v0.13.4 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling test-case v2.0.2 [INFO] [stderr] Compiling darling_macro v0.13.4 [INFO] [stderr] Compiling thiserror v1.0.30 [INFO] [stderr] Checking arithmetic-coding-core v0.3.0 [INFO] [stderr] Compiling darling v0.13.4 [INFO] [stderr] Compiling arithmetic-coding v0.3.0 [INFO] [stderr] Compiling minnow-derive v0.1.0 [INFO] [stderr] Checking minnow v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error: could not compile `minnow` (lib) due to 4 previous errors; 2 warnings emitted [INFO] [stdout] warning: trait `BoundedModel` is never used [INFO] [stdout] --> src/bounded_model.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | pub trait BoundedModel { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: trait `Codec` is never used [INFO] [stdout] --> src/bounded_model.rs:14:11 [INFO] [stdout] | [INFO] [stdout] 14 | pub trait Codec [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, !> [INFO] [stdout] --> src/float.rs:69:94 [INFO] [stdout] | [INFO] [stdout] 69 | fn probability(&self, symbol: &Self::Symbol) -> Result, Self::ValueError> { [INFO] [stdout] | ______________________________________________________________________________________________^ [INFO] [stdout] 70 | | Ok(self.scale(*symbol)..self.scale(*symbol) + 1) [INFO] [stdout] 71 | | } [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/float.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | Ok(self.scale(*symbol)..self.scale(*symbol) + 1) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, !> [INFO] [stdout] --> src/impls/one_shot.rs:13:94 [INFO] [stdout] | [INFO] [stdout] 13 | fn probability(&self, symbol: &Self::Symbol) -> Result, Self::ValueError> { [INFO] [stdout] | ______________________________________________________________________________________________^ [INFO] [stdout] 14 | | Ok((*symbol).into()..(symbol + 1).into()) [INFO] [stdout] 15 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `BoundedModel` is never used [INFO] [stdout] --> src/bounded_model.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | pub trait BoundedModel { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Codec` is never used [INFO] [stdout] --> src/bounded_model.rs:14:11 [INFO] [stdout] | [INFO] [stdout] 14 | pub trait Codec [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, !> [INFO] [stdout] --> src/impls/one_shot.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | Ok((*symbol).into()..(symbol + 1).into()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, !> [INFO] [stdout] --> src/float.rs:69:94 [INFO] [stdout] | [INFO] [stdout] 69 | fn probability(&self, symbol: &Self::Symbol) -> Result, Self::ValueError> { [INFO] [stdout] | ______________________________________________________________________________________________^ [INFO] [stdout] 70 | | Ok(self.scale(*symbol)..self.scale(*symbol) + 1) [INFO] [stdout] 71 | | } [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/float.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | Ok(self.scale(*symbol)..self.scale(*symbol) + 1) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, !> [INFO] [stdout] --> src/float.rs:126:9 [INFO] [stdout] | [INFO] [stdout] 126 | model.probability(&input).unwrap() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, !> [INFO] [stdout] --> src/float.rs:147:20 [INFO] [stdout] | [INFO] [stdout] 147 | assert_eq!(model.probability(&2.0).unwrap(), 100_020..100_021); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, !> [INFO] [stdout] --> src/impls/one_shot.rs:13:94 [INFO] [stdout] | [INFO] [stdout] 13 | fn probability(&self, symbol: &Self::Symbol) -> Result, Self::ValueError> { [INFO] [stdout] | ______________________________________________________________________________________________^ [INFO] [stdout] 14 | | Ok((*symbol).into()..(symbol + 1).into()) [INFO] [stdout] 15 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, !> [INFO] [stdout] --> src/impls/one_shot.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | Ok((*symbol).into()..(symbol + 1).into()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `minnow` (lib test) due to 6 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "97f215d62fb2d0fc0a6ca4988097951cdcb1fdc9fb7581cc22072bacf5832174", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "97f215d62fb2d0fc0a6ca4988097951cdcb1fdc9fb7581cc22072bacf5832174", kill_on_drop: false }` [INFO] [stdout] 97f215d62fb2d0fc0a6ca4988097951cdcb1fdc9fb7581cc22072bacf5832174