[INFO] cloning repository https://github.com/gabucito/iterators [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gabucito/iterators" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabucito%2Fiterators", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabucito%2Fiterators'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5e9f4e3aa9249bc6c0fd2d2f40ca5804f384c58a [INFO] testing gabucito/iterators against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabucito%2Fiterators" "/workspace/builds/worker-19/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gabucito/iterators on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/gabucito/iterators [INFO] finished tweaking git repo https://github.com/gabucito/iterators [INFO] tweaked toml for git repo https://github.com/gabucito/iterators written to /workspace/builds/worker-19/source/Cargo.toml [INFO] crate git repo https://github.com/gabucito/iterators already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a679b3102c6339755702ee660125f234cbfb5e00dc4c7c31d9e321258115599e [INFO] running `Command { std: "docker" "start" "-a" "a679b3102c6339755702ee660125f234cbfb5e00dc4c7c31d9e321258115599e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a679b3102c6339755702ee660125f234cbfb5e00dc4c7c31d9e321258115599e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a679b3102c6339755702ee660125f234cbfb5e00dc4c7c31d9e321258115599e", kill_on_drop: false }` [INFO] [stdout] a679b3102c6339755702ee660125f234cbfb5e00dc4c7c31d9e321258115599e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ab2a687ad168fe2ad30326d917d20fe748d402b177f50dc9fda45f0cc632190f [INFO] running `Command { std: "docker" "start" "-a" "ab2a687ad168fe2ad30326d917d20fe748d402b177f50dc9fda45f0cc632190f", kill_on_drop: false }` [INFO] [stderr] Compiling iterators v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `v_iter` [INFO] [stdout] --> src/main.rs:58:13 [INFO] [stdout] | [INFO] [stdout] 58 | let mut v_iter = vec.iter(); // [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_v_iter` [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/main.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | let mut v_iter = vec.iter(); // [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: function is never used: `iterate_mut` [INFO] [stdout] --> src/main.rs:22:4 [INFO] [stdout] | [INFO] [stdout] 22 | fn iterate_mut(mut vec: Vec) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.95s [INFO] running `Command { std: "docker" "inspect" "ab2a687ad168fe2ad30326d917d20fe748d402b177f50dc9fda45f0cc632190f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab2a687ad168fe2ad30326d917d20fe748d402b177f50dc9fda45f0cc632190f", kill_on_drop: false }` [INFO] [stdout] ab2a687ad168fe2ad30326d917d20fe748d402b177f50dc9fda45f0cc632190f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a9fe2609ca460a75ccba7ee4e32a3e3d04ab307b8163a68491bf99096ab44168 [INFO] running `Command { std: "docker" "start" "-a" "a9fe2609ca460a75ccba7ee4e32a3e3d04ab307b8163a68491bf99096ab44168", kill_on_drop: false }` [INFO] [stderr] Compiling iterators v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `v_iter` [INFO] [stdout] --> src/main.rs:58:13 [INFO] [stdout] | [INFO] [stdout] 58 | let mut v_iter = vec.iter(); // [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_v_iter` [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/main.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | let mut v_iter = vec.iter(); // [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: function is never used: `iterate_mut` [INFO] [stdout] --> src/main.rs:22:4 [INFO] [stdout] | [INFO] [stdout] 22 | fn iterate_mut(mut vec: Vec) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.33s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/iterators-4902d08bb0dffa6f) [INFO] running `Command { std: "docker" "inspect" "a9fe2609ca460a75ccba7ee4e32a3e3d04ab307b8163a68491bf99096ab44168", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a9fe2609ca460a75ccba7ee4e32a3e3d04ab307b8163a68491bf99096ab44168", kill_on_drop: false }` [INFO] [stdout] a9fe2609ca460a75ccba7ee4e32a3e3d04ab307b8163a68491bf99096ab44168 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a6975aba1dae7fb462165595b8f582106fb177770b7a372a32b045bd7b8b2f5a [INFO] running `Command { std: "docker" "start" "-a" "a6975aba1dae7fb462165595b8f582106fb177770b7a372a32b045bd7b8b2f5a", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `v_iter` [INFO] [stderr] --> src/main.rs:58:13 [INFO] [stderr] | [INFO] [stderr] 58 | let mut v_iter = vec.iter(); // [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_v_iter` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:58:9 [INFO] [stderr] | [INFO] [stderr] 58 | let mut v_iter = vec.iter(); // [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `iterate_mut` [INFO] [stderr] --> src/main.rs:22:4 [INFO] [stderr] | [INFO] [stderr] 22 | fn iterate_mut(mut vec: Vec) { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `iterators` (bin "iterators" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/iterators-4902d08bb0dffa6f) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::iterator_sum ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "a6975aba1dae7fb462165595b8f582106fb177770b7a372a32b045bd7b8b2f5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6975aba1dae7fb462165595b8f582106fb177770b7a372a32b045bd7b8b2f5a", kill_on_drop: false }` [INFO] [stdout] a6975aba1dae7fb462165595b8f582106fb177770b7a372a32b045bd7b8b2f5a