[INFO] cloning repository https://github.com/rustkas/rust-101-impl [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rustkas/rust-101-impl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustkas%2Frust-101-impl", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustkas%2Frust-101-impl'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 613d00f4626de92ead3dc7534fc6f94a73e95cfb [INFO] checking rustkas/rust-101-impl against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustkas%2Frust-101-impl" "/workspace/builds/worker-25/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-25/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rustkas/rust-101-impl on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rustkas/rust-101-impl [INFO] finished tweaking git repo https://github.com/rustkas/rust-101-impl [INFO] tweaked toml for git repo https://github.com/rustkas/rust-101-impl written to /workspace/builds/worker-25/source/Cargo.toml [INFO] crate git repo https://github.com/rustkas/rust-101-impl already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 12b89bb0799be8c19cbaf6275983c5f1da2a8cc2a884228bffc892725acd6dff [INFO] running `Command { std: "docker" "start" "-a" "12b89bb0799be8c19cbaf6275983c5f1da2a8cc2a884228bffc892725acd6dff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "12b89bb0799be8c19cbaf6275983c5f1da2a8cc2a884228bffc892725acd6dff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12b89bb0799be8c19cbaf6275983c5f1da2a8cc2a884228bffc892725acd6dff", kill_on_drop: false }` [INFO] [stdout] 12b89bb0799be8c19cbaf6275983c5f1da2a8cc2a884228bffc892725acd6dff [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f98f67c38c8b60bb17c878e89842dd4d08767ef3aefe4c63393219306731cd0b [INFO] running `Command { std: "docker" "start" "-a" "f98f67c38c8b60bb17c878e89842dd4d08767ef3aefe4c63393219306731cd0b", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking rust-101 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `el` [INFO] [stdout] --> src/part0.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | for el in vec { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_el` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/part0.rs:35:20 [INFO] [stdout] | [INFO] [stdout] 35 | Number(n) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `el` [INFO] [stdout] --> src/part0.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | for el in vec { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_el` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/part0.rs:70:28 [INFO] [stdout] | [INFO] [stdout] 70 | fn print_number_or_nothing(n: NumberOrNothing) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/part0.rs:35:20 [INFO] [stdout] | [INFO] [stdout] 35 | Number(n) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/part0.rs:70:28 [INFO] [stdout] | [INFO] [stdout] 70 | fn print_number_or_nothing(n: NumberOrNothing) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/part0.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let mut min = Nothing; [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: variant is never constructed: `Number` [INFO] [stdout] --> src/part0.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | Number(i32), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `min_i32` [INFO] [stdout] --> src/part0.rs:45:4 [INFO] [stdout] | [INFO] [stdout] 45 | fn min_i32(a: i32, b: i32) -> i32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/part0.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let mut min = Nothing; [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: variant is never constructed: `Number` [INFO] [stdout] --> src/part0.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | Number(i32), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `min_i32` [INFO] [stdout] --> src/part0.rs:45:4 [INFO] [stdout] | [INFO] [stdout] 45 | fn min_i32(a: i32, b: i32) -> i32 { [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 [unoptimized + debuginfo] target(s) in 1.31s [INFO] running `Command { std: "docker" "inspect" "f98f67c38c8b60bb17c878e89842dd4d08767ef3aefe4c63393219306731cd0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f98f67c38c8b60bb17c878e89842dd4d08767ef3aefe4c63393219306731cd0b", kill_on_drop: false }` [INFO] [stdout] f98f67c38c8b60bb17c878e89842dd4d08767ef3aefe4c63393219306731cd0b