[INFO] cloning repository https://github.com/healthsgood/RustBasicsUnveiled [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/healthsgood/RustBasicsUnveiled" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhealthsgood%2FRustBasicsUnveiled", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhealthsgood%2FRustBasicsUnveiled'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4df2746fb4a8f34b792067af5bfcd1436c4a9dd1 [INFO] testing healthsgood/RustBasicsUnveiled against 1.97.0-beta.6 for beta-1.98-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhealthsgood%2FRustBasicsUnveiled" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/healthsgood/RustBasicsUnveiled [INFO] finished tweaking git repo https://github.com/healthsgood/RustBasicsUnveiled [INFO] tweaked toml for git repo https://github.com/healthsgood/RustBasicsUnveiled written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/healthsgood/RustBasicsUnveiled on toolchain 1.97.0-beta.6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/healthsgood/RustBasicsUnveiled 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" "+1.97.0-beta.6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] d4ff11bbc1a1627f47937f5b84980b05b101b98d108910e7c42ba24ba4600108 [INFO] running `Command { std: "docker" "start" "d4ff11bbc1a1627f47937f5b84980b05b101b98d108910e7c42ba24ba4600108", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d4ff11bbc1a1627f47937f5b84980b05b101b98d108910e7c42ba24ba4600108", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d4ff11bbc1a1627f47937f5b84980b05b101b98d108910e7c42ba24ba4600108" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d4ff11bbc1a1627f47937f5b84980b05b101b98d108910e7c42ba24ba4600108", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d4ff11bbc1a1627f47937f5b84980b05b101b98d108910e7c42ba24ba4600108" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] Compiling hello v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `apply` is never used [INFO] [stdout] --> src/bin/closure.rs:26:4 [INFO] [stdout] | [INFO] [stdout] 26 | fn apply(f: F) where [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main2` is never used [INFO] [stdout] --> src/bin/closure.rs:31:4 [INFO] [stdout] | [INFO] [stdout] 31 | fn main2() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `create_fn` is never used [INFO] [stdout] --> src/bin/closure.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn create_fn() -> impl Fn() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let mut rrra: &mut &mut &mut i32 = &mut rra; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s [INFO] running `Command { std: "docker" "inspect" "d4ff11bbc1a1627f47937f5b84980b05b101b98d108910e7c42ba24ba4600108", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d4ff11bbc1a1627f47937f5b84980b05b101b98d108910e7c42ba24ba4600108" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] Compiling hello v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let mut rrra: &mut &mut &mut i32 = &mut rra; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `apply` is never used [INFO] [stdout] --> src/bin/closure.rs:26:4 [INFO] [stdout] | [INFO] [stdout] 26 | fn apply(f: F) where [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main2` is never used [INFO] [stdout] --> src/bin/closure.rs:31:4 [INFO] [stdout] | [INFO] [stdout] 31 | fn main2() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `create_fn` is never used [INFO] [stdout] --> src/bin/closure.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn create_fn() -> impl Fn() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.71s [INFO] running `Command { std: "docker" "inspect" "d4ff11bbc1a1627f47937f5b84980b05b101b98d108910e7c42ba24ba4600108", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d4ff11bbc1a1627f47937f5b84980b05b101b98d108910e7c42ba24ba4600108" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] warning: function `apply` is never used [INFO] [stdout] [INFO] [stderr] --> src/bin/closure.rs:26:4 [INFO] [stdout] running 0 tests [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] 26 | fn apply(f: F) where [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | ^^^^^ [INFO] [stdout] [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: function `main2` is never used [INFO] [stderr] --> src/bin/closure.rs:31:4 [INFO] [stderr] | [INFO] [stderr] 31 | fn main2() { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `create_fn` is never used [INFO] [stderr] --> src/bin/closure.rs:42:4 [INFO] [stderr] | [INFO] [stderr] 42 | fn create_fn() -> impl Fn() { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `hello` (bin "closure" test) generated 3 warnings [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:5:9 [INFO] [stderr] | [INFO] [stderr] 5 | let mut rrra: &mut &mut &mut i32 = &mut rra; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `hello` (bin "hello" test) generated 1 warning (run `cargo fix --bin "hello" -p hello --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/bin/box.rs (/opt/rustwide/target/debug/deps/box-92d20b7d9a442350) [INFO] [stderr] Running unittests src/bin/closure.rs (/opt/rustwide/target/debug/deps/closure-a389bfd0220ac3be) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests src/bin/copy.rs (/opt/rustwide/target/debug/deps/copy-157bd17510b8b410) [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hello-88f5ca11b387ffed) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d4ff11bbc1a1627f47937f5b84980b05b101b98d108910e7c42ba24ba4600108", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d4ff11bbc1a1627f47937f5b84980b05b101b98d108910e7c42ba24ba4600108", kill_on_drop: false }` [INFO] [stdout] d4ff11bbc1a1627f47937f5b84980b05b101b98d108910e7c42ba24ba4600108