[INFO] fetching crate lk_math 0.5.0... [INFO] checking lk_math-0.5.0 against try#86f78589b09557f70c9db3f56ad1921e0a9f76ef for pr-138438 [INFO] extracting crate lk_math 0.5.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate lk_math 0.5.0 on toolchain 86f78589b09557f70c9db3f56ad1921e0a9f76ef [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+86f78589b09557f70c9db3f56ad1921e0a9f76ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate lk_math 0.5.0 [INFO] finished tweaking crates.io crate lk_math 0.5.0 [INFO] tweaked toml for crates.io crate lk_math 0.5.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate crates.io crate lk_math 0.5.0 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" "+86f78589b09557f70c9db3f56ad1921e0a9f76ef" "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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+86f78589b09557f70c9db3f56ad1921e0a9f76ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6c751319d79283e8e13ad442bd8de8f8b7ff0005a70cecda321f1b6edbe5d184 [INFO] running `Command { std: "docker" "start" "-a" "6c751319d79283e8e13ad442bd8de8f8b7ff0005a70cecda321f1b6edbe5d184", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6c751319d79283e8e13ad442bd8de8f8b7ff0005a70cecda321f1b6edbe5d184", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c751319d79283e8e13ad442bd8de8f8b7ff0005a70cecda321f1b6edbe5d184", kill_on_drop: false }` [INFO] [stdout] 6c751319d79283e8e13ad442bd8de8f8b7ff0005a70cecda321f1b6edbe5d184 [INFO] checking lk_math-0.5.0 against try#86f78589b09557f70c9db3f56ad1921e0a9f76ef for pr-138438 [INFO] extracting crate lk_math 0.5.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate lk_math 0.5.0 on toolchain 86f78589b09557f70c9db3f56ad1921e0a9f76ef [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+86f78589b09557f70c9db3f56ad1921e0a9f76ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate lk_math 0.5.0 [INFO] finished tweaking crates.io crate lk_math 0.5.0 [INFO] tweaked toml for crates.io crate lk_math 0.5.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate crates.io crate lk_math 0.5.0 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" "+86f78589b09557f70c9db3f56ad1921e0a9f76ef" "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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+86f78589b09557f70c9db3f56ad1921e0a9f76ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 72c43ba2dee0a95823ae144098645eb004d3658c0966a5d602f620262751f14d [INFO] running `Command { std: "docker" "start" "-a" "72c43ba2dee0a95823ae144098645eb004d3658c0966a5d602f620262751f14d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "72c43ba2dee0a95823ae144098645eb004d3658c0966a5d602f620262751f14d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72c43ba2dee0a95823ae144098645eb004d3658c0966a5d602f620262751f14d", kill_on_drop: false }` [INFO] [stdout] 72c43ba2dee0a95823ae144098645eb004d3658c0966a5d602f620262751f14d [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" "-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+86f78589b09557f70c9db3f56ad1921e0a9f76ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6df6445a31fe85b75827165b23d3f9d65fb90af51fe51a97383144b0d39f17ee [INFO] running `Command { std: "docker" "start" "-a" "6df6445a31fe85b75827165b23d3f9d65fb90af51fe51a97383144b0d39f17ee", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.93 [INFO] [stderr] Compiling unicode-ident v1.0.14 [INFO] [stderr] Compiling serde v1.0.217 [INFO] [stderr] Compiling quote v1.0.38 [INFO] [stderr] Compiling syn v2.0.96 [INFO] [stderr] Compiling serde_derive v1.0.217 [INFO] [stderr] Checking serde_arrays v0.1.0 [INFO] [stderr] Checking lk_math v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/arraynd.rs:402:9 [INFO] [stdout] | [INFO] [stdout] 401 | todo!(); [INFO] [stdout] | ------- any code following this expression is unreachable [INFO] [stdout] 402 | [].into_iter() [INFO] [stdout] | ^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `matching` [INFO] [stdout] --> src/arraynd.rs:400:38 [INFO] [stdout] | [INFO] [stdout] 400 | pub fn iter_block(&mut self, mut matching: [Option; N]) -> impl Iterator { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matching` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/arraynd.rs:400:34 [INFO] [stdout] | [INFO] [stdout] 400 | pub fn iter_block(&mut self, mut matching: [Option; N]) -> impl Iterator { [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: unreachable expression [INFO] [stdout] --> src/arraynd.rs:402:9 [INFO] [stdout] | [INFO] [stdout] 401 | todo!(); [INFO] [stdout] | ------- any code following this expression is unreachable [INFO] [stdout] 402 | [].into_iter() [INFO] [stdout] | ^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `matching` [INFO] [stdout] --> src/arraynd.rs:400:38 [INFO] [stdout] | [INFO] [stdout] 400 | pub fn iter_block(&mut self, mut matching: [Option; N]) -> impl Iterator { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matching` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/arraynd.rs:400:34 [INFO] [stdout] | [INFO] [stdout] 400 | pub fn iter_block(&mut self, mut matching: [Option; N]) -> impl Iterator { [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: irrefutable `if let` pattern [INFO] [stdout] --> src/arraynd.rs:198:12 [INFO] [stdout] | [INFO] [stdout] 198 | if let Ok(a) = (*i).try_into() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 209 | array_vector_linear_index!(i32, usize); [INFO] [stdout] | -------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this pattern will always match, so the `if let` is useless [INFO] [stdout] = help: consider replacing the `if let` with a `let` [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] = note: this warning originates in the macro `array_vector_linear_index` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `if let` pattern [INFO] [stdout] --> src/arraynd.rs:198:12 [INFO] [stdout] | [INFO] [stdout] 198 | if let Ok(a) = (*i).try_into() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 209 | array_vector_linear_index!(i32, usize); [INFO] [stdout] | -------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this pattern will always match, so the `if let` is useless [INFO] [stdout] = help: consider replacing the `if let` with a `let` [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] = note: this warning originates in the macro `array_vector_linear_index` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.65s [INFO] running `Command { std: "docker" "inspect" "6df6445a31fe85b75827165b23d3f9d65fb90af51fe51a97383144b0d39f17ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6df6445a31fe85b75827165b23d3f9d65fb90af51fe51a97383144b0d39f17ee", kill_on_drop: false }` [INFO] [stdout] 6df6445a31fe85b75827165b23d3f9d65fb90af51fe51a97383144b0d39f17ee