[INFO] fetching crate kobold 0.9.1... [INFO] checking kobold-0.9.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate kobold 0.9.1 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate kobold 0.9.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate kobold 0.9.1 [INFO] finished tweaking crates.io crate kobold 0.9.1 [INFO] tweaked toml for crates.io crate kobold 0.9.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 32 packages [INFO] [stderr] Adding base64 v0.13.1 (latest: v0.22.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded const-default v1.0.0 [INFO] [stderr] Downloaded svgbobdoc v0.3.0 [INFO] [stderr] Downloaded rlsf v0.2.1 [INFO] [stderr] Downloaded kobold_macros v0.9.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a032481fc223841248642abef4dd0b83bd1bcc6e706e41a42fbcb48693116784 [INFO] running `Command { std: "docker" "start" "-a" "a032481fc223841248642abef4dd0b83bd1bcc6e706e41a42fbcb48693116784", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a032481fc223841248642abef4dd0b83bd1bcc6e706e41a42fbcb48693116784", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a032481fc223841248642abef4dd0b83bd1bcc6e706e41a42fbcb48693116784", kill_on_drop: false }` [INFO] [stdout] a032481fc223841248642abef4dd0b83bd1bcc6e706e41a42fbcb48693116784 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 10e31281bba96a05e65dc633127e748c4731e7b5f9909effb43222247fd648d1 [INFO] running `Command { std: "docker" "start" "-a" "10e31281bba96a05e65dc633127e748c4731e7b5f9909effb43222247fd648d1", kill_on_drop: false }` [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.92 [INFO] [stderr] Compiling once_cell v1.19.0 [INFO] [stderr] Compiling bumpalo v3.15.4 [INFO] [stderr] Compiling log v0.4.21 [INFO] [stderr] Compiling wasm-bindgen v0.2.92 [INFO] [stderr] Compiling arrayvec v0.7.4 [INFO] [stderr] Compiling beef v0.5.2 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling kobold_macros v0.9.0 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.92 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.92 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.92 [INFO] [stderr] Checking js-sys v0.3.69 [INFO] [stderr] Checking console_error_panic_hook v0.1.7 [INFO] [stderr] Checking web-sys v0.3.69 [INFO] [stderr] Checking wasm-bindgen-futures v0.4.42 [INFO] [stderr] Checking kobold v0.9.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/value.rs:84:21 [INFO] [stdout] | [INFO] [stdout] 84 | fn update(self, mut p: &mut Self::Product) { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/value.rs:84:21 [INFO] [stdout] | [INFO] [stdout] 84 | fn update(self, mut p: &mut Self::Product) { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/stateful/hook.rs:286:9 [INFO] [stdout] | [INFO] [stdout] 286 | drop([mock, mock]); [INFO] [stdout] | ^^^^^------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `[hook::Bound<'_, i32, {closure@src/stateful/hook.rs:280:23: 280:59}>; 2]` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.96s [INFO] running `Command { std: "docker" "inspect" "10e31281bba96a05e65dc633127e748c4731e7b5f9909effb43222247fd648d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10e31281bba96a05e65dc633127e748c4731e7b5f9909effb43222247fd648d1", kill_on_drop: false }` [INFO] [stdout] 10e31281bba96a05e65dc633127e748c4731e7b5f9909effb43222247fd648d1 [INFO] checking kobold-0.9.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate kobold 0.9.1 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate kobold 0.9.1 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate kobold 0.9.1 [INFO] finished tweaking crates.io crate kobold 0.9.1 [INFO] tweaked toml for crates.io crate kobold 0.9.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 32 packages [INFO] [stderr] Adding base64 v0.13.1 (latest: v0.22.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 14d9da647265c08169f940c37e1287f80a310b3cea451159655c2c3d82e0519d [INFO] running `Command { std: "docker" "start" "-a" "14d9da647265c08169f940c37e1287f80a310b3cea451159655c2c3d82e0519d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "14d9da647265c08169f940c37e1287f80a310b3cea451159655c2c3d82e0519d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "14d9da647265c08169f940c37e1287f80a310b3cea451159655c2c3d82e0519d", kill_on_drop: false }` [INFO] [stdout] 14d9da647265c08169f940c37e1287f80a310b3cea451159655c2c3d82e0519d [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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 699e2ad5ef3c3ec59ce34f0aec56b2ffafc8573ee1a19545a5ebdc636aa7680c [INFO] running `Command { std: "docker" "start" "-a" "699e2ad5ef3c3ec59ce34f0aec56b2ffafc8573ee1a19545a5ebdc636aa7680c", kill_on_drop: false }` [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.92 [INFO] [stderr] Compiling once_cell v1.19.0 [INFO] [stderr] Compiling bumpalo v3.15.4 [INFO] [stderr] Compiling log v0.4.21 [INFO] [stderr] Compiling wasm-bindgen v0.2.92 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling beef v0.5.2 [INFO] [stderr] Compiling arrayvec v0.7.4 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling kobold_macros v0.9.0 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.92 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.92 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.92 [INFO] [stderr] Checking js-sys v0.3.69 [INFO] [stderr] Checking console_error_panic_hook v0.1.7 [INFO] [stderr] Checking web-sys v0.3.69 [INFO] [stderr] Checking wasm-bindgen-futures v0.4.42 [INFO] [stderr] Checking kobold v0.9.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/value.rs:84:21 [INFO] [stdout] | [INFO] [stdout] 84 | fn update(self, mut p: &mut Self::Product) { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/value.rs:84:21 [INFO] [stdout] | [INFO] [stdout] 84 | fn update(self, mut p: &mut Self::Product) { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/stateful/hook.rs:286:9 [INFO] [stdout] | [INFO] [stdout] 286 | drop([mock, mock]); [INFO] [stdout] | ^^^^^------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `[hook::Bound<'_, i32, {closure@src/stateful/hook.rs:280:23: 280:59}>; 2]` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.56s [INFO] running `Command { std: "docker" "inspect" "699e2ad5ef3c3ec59ce34f0aec56b2ffafc8573ee1a19545a5ebdc636aa7680c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "699e2ad5ef3c3ec59ce34f0aec56b2ffafc8573ee1a19545a5ebdc636aa7680c", kill_on_drop: false }` [INFO] [stdout] 699e2ad5ef3c3ec59ce34f0aec56b2ffafc8573ee1a19545a5ebdc636aa7680c