[INFO] fetching crate miura 0.1.1... [INFO] checking miura-0.1.1 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate miura 0.1.1 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate miura 0.1.1 [INFO] finished tweaking crates.io crate miura 0.1.1 [INFO] tweaked toml for crates.io crate miura 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate miura 0.1.1 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3edf38b650a964e91dc96245613f90dab16c57ceb5f7145f183a95f4d55f02c0 [INFO] running `Command { std: "docker" "start" "-a" "3edf38b650a964e91dc96245613f90dab16c57ceb5f7145f183a95f4d55f02c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3edf38b650a964e91dc96245613f90dab16c57ceb5f7145f183a95f4d55f02c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3edf38b650a964e91dc96245613f90dab16c57ceb5f7145f183a95f4d55f02c0", kill_on_drop: false }` [INFO] [stdout] 3edf38b650a964e91dc96245613f90dab16c57ceb5f7145f183a95f4d55f02c0 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 91f0059129612eab837056dfc6290ed6caf898d9fd02c58f9d22b22767a3e4f3 [INFO] running `Command { std: "docker" "start" "-a" "91f0059129612eab837056dfc6290ed6caf898d9fd02c58f9d22b22767a3e4f3", kill_on_drop: false }` [INFO] [stderr] Checking miura v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/sorting.rs:154:9 [INFO] [stdout] | [INFO] [stdout] 154 | let mut left: Vec = (*rest).iter() // iterator over a vector to references to unsigned integers [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/sorting.rs:167:9 [INFO] [stdout] | [INFO] [stdout] 167 | let mut right: Vec = (*rest).iter().filter(|&&x| x > pivot).map(|x| *x).collect(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `j` [INFO] [stdout] --> src/sorting.rs:207:13 [INFO] [stdout] | [INFO] [stdout] 207 | for j in 0..(*(counts.entry(i).or_insert(0))) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_j` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `NUM_ITERATIONS` is never used [INFO] [stdout] --> src/series.rs:4:11 [INFO] [stdout] | [INFO] [stdout] 4 | pub const NUM_ITERATIONS: usize = 100; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `exp` is never used [INFO] [stdout] --> src/series.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn exp(x: f64) -> f64 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> src/sorting.rs:29:15 [INFO] [stdout] | [INFO] [stdout] 29 | while i >= 0 && a[i] > key { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/sorting.rs:154:9 [INFO] [stdout] | [INFO] [stdout] 154 | let mut left: Vec = (*rest).iter() // iterator over a vector to references to unsigned integers [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/sorting.rs:167:9 [INFO] [stdout] | [INFO] [stdout] 167 | let mut right: Vec = (*rest).iter().filter(|&&x| x > pivot).map(|x| *x).collect(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `j` [INFO] [stdout] --> src/sorting.rs:207:13 [INFO] [stdout] | [INFO] [stdout] 207 | for j in 0..(*(counts.entry(i).or_insert(0))) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_j` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> src/sorting.rs:29:15 [INFO] [stdout] | [INFO] [stdout] 29 | while i >= 0 && a[i] > key { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.61s [INFO] running `Command { std: "docker" "inspect" "91f0059129612eab837056dfc6290ed6caf898d9fd02c58f9d22b22767a3e4f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91f0059129612eab837056dfc6290ed6caf898d9fd02c58f9d22b22767a3e4f3", kill_on_drop: false }` [INFO] [stdout] 91f0059129612eab837056dfc6290ed6caf898d9fd02c58f9d22b22767a3e4f3