[INFO] cloning repository https://github.com/sinkuu/ndiff [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sinkuu/ndiff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinkuu%2Fndiff", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinkuu%2Fndiff'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3cd3a6f6bc425e3106cd9e8992a6593a88c38acc [INFO] checking sinkuu/ndiff against master#8f359beca4e58bc3ae795a666301a8f47023044c for pr-121545 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinkuu%2Fndiff" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sinkuu/ndiff on toolchain 8f359beca4e58bc3ae795a666301a8f47023044c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f359beca4e58bc3ae795a666301a8f47023044c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sinkuu/ndiff [INFO] finished tweaking git repo https://github.com/sinkuu/ndiff [INFO] tweaked toml for git repo https://github.com/sinkuu/ndiff written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/sinkuu/ndiff 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" "+8f359beca4e58bc3ae795a666301a8f47023044c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded circular-queue v0.2.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+8f359beca4e58bc3ae795a666301a8f47023044c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4650355d4bd9fced1f8a4d599fffa857ae4d217a6c4c668ef52408e13a5f0c90 [INFO] running `Command { std: "docker" "start" "-a" "4650355d4bd9fced1f8a4d599fffa857ae4d217a6c4c668ef52408e13a5f0c90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4650355d4bd9fced1f8a4d599fffa857ae4d217a6c4c668ef52408e13a5f0c90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4650355d4bd9fced1f8a4d599fffa857ae4d217a6c4c668ef52408e13a5f0c90", kill_on_drop: false }` [INFO] [stdout] 4650355d4bd9fced1f8a4d599fffa857ae4d217a6c4c668ef52408e13a5f0c90 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+8f359beca4e58bc3ae795a666301a8f47023044c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fca25781d28d27c691141bc17b168fd38c08f7d4c0f44c0140e7020c90b46b84 [INFO] running `Command { std: "docker" "start" "-a" "fca25781d28d27c691141bc17b168fd38c08f7d4c0f44c0140e7020c90b46b84", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Compiling ndarray v0.13.0 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Checking matrixmultiply v0.2.3 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling circular-queue v0.2.4 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking termion v1.5.5 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking regex v1.3.6 [INFO] [stderr] Checking ndiff v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:116:9 [INFO] [stdout] | [INFO] [stdout] 116 | let mut ops = diff_ops( [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/main.rs:116:9 [INFO] [stdout] | [INFO] [stdout] 116 | let mut ops = diff_ops( [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: variants `Del`, `Ins`, and `Nop` are never constructed [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | enum BareOp { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] 7 | Del, [INFO] [stdout] | ^^^ [INFO] [stdout] 8 | Ins, [INFO] [stdout] | ^^^ [INFO] [stdout] 9 | Nop, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BareOp` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Op` is never used [INFO] [stdout] --> src/main.rs:13:6 [INFO] [stdout] | [INFO] [stdout] 13 | enum Op { [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `Op` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `opsel_min` is never used [INFO] [stdout] --> src/main.rs:19:4 [INFO] [stdout] | [INFO] [stdout] 19 | fn opsel_min(a: usize, b: usize, c: usize) -> (BareOp, usize) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `diff_ops` is never used [INFO] [stdout] --> src/main.rs:30:4 [INFO] [stdout] | [INFO] [stdout] 30 | fn diff_ops( [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Del`, `Ins`, and `Nop` are never constructed [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | enum BareOp { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] 7 | Del, [INFO] [stdout] | ^^^ [INFO] [stdout] 8 | Ins, [INFO] [stdout] | ^^^ [INFO] [stdout] 9 | Nop, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BareOp` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `diff` is never used [INFO] [stdout] --> src/main.rs:115:4 [INFO] [stdout] | [INFO] [stdout] 115 | fn diff(a: &[&str], b: &[&str]) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Op` is never used [INFO] [stdout] --> src/main.rs:13:6 [INFO] [stdout] | [INFO] [stdout] 13 | enum Op { [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `Op` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `opsel_min` is never used [INFO] [stdout] --> src/main.rs:19:4 [INFO] [stdout] | [INFO] [stdout] 19 | fn opsel_min(a: usize, b: usize, c: usize) -> (BareOp, usize) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `diff_ops` is never used [INFO] [stdout] --> src/main.rs:30:4 [INFO] [stdout] | [INFO] [stdout] 30 | fn diff_ops( [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `diff` is never used [INFO] [stdout] --> src/main.rs:115:4 [INFO] [stdout] | [INFO] [stdout] 115 | fn diff(a: &[&str], b: &[&str]) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.45s [INFO] running `Command { std: "docker" "inspect" "fca25781d28d27c691141bc17b168fd38c08f7d4c0f44c0140e7020c90b46b84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fca25781d28d27c691141bc17b168fd38c08f7d4c0f44c0140e7020c90b46b84", kill_on_drop: false }` [INFO] [stdout] fca25781d28d27c691141bc17b168fd38c08f7d4c0f44c0140e7020c90b46b84