[INFO] cloning repository https://github.com/hpp-playground/rust-playground [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hpp-playground/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhpp-playground%2Frust-playground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhpp-playground%2Frust-playground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f1be8df07be226685d7538ec7c8b670262e242b3 [INFO] testing hpp-playground/rust-playground against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhpp-playground%2Frust-playground" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hpp-playground/rust-playground on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hpp-playground/rust-playground [INFO] finished tweaking git repo https://github.com/hpp-playground/rust-playground [INFO] tweaked toml for git repo https://github.com/hpp-playground/rust-playground written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/hpp-playground/rust-playground already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 54f63141917bcd31d4297006b26c8a2d78a6e18d0d935028f3018a8456337b1b [INFO] running `Command { std: "docker" "start" "-a" "54f63141917bcd31d4297006b26c8a2d78a6e18d0d935028f3018a8456337b1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "54f63141917bcd31d4297006b26c8a2d78a6e18d0d935028f3018a8456337b1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54f63141917bcd31d4297006b26c8a2d78a6e18d0d935028f3018a8456337b1b", kill_on_drop: false }` [INFO] [stdout] 54f63141917bcd31d4297006b26c8a2d78a6e18d0d935028f3018a8456337b1b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5231733e2d150cfdd9060b74d00484e70d2a3d8f40bf9e41b42bb4683c831310 [INFO] running `Command { std: "docker" "start" "-a" "5231733e2d150cfdd9060b74d00484e70d2a3d8f40bf9e41b42bb4683c831310", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.33 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling either v1.6.0 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling smart-default v0.6.0 [INFO] [stderr] Compiling rust-playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::collections::binary_heap::Iter` [INFO] [stdout] --> src/bin/iterator-learning.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::binary_heap::Iter; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/bin/iterator-learning.rs:79:9 [INFO] [stdout] | [INFO] [stdout] 79 | let b: std::slice::Iter = a.iter(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Leaf` [INFO] [stdout] --> src/bin/iterator-learning.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | Leaf(Item), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Children` [INFO] [stdout] --> src/bin/iterator-learning.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | Children(Vec>), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `traverse` [INFO] [stdout] --> src/bin/iterator-learning.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | fn traverse(&self, f: impl Fn(&It)) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.20s [INFO] running `Command { std: "docker" "inspect" "5231733e2d150cfdd9060b74d00484e70d2a3d8f40bf9e41b42bb4683c831310", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5231733e2d150cfdd9060b74d00484e70d2a3d8f40bf9e41b42bb4683c831310", kill_on_drop: false }` [INFO] [stdout] 5231733e2d150cfdd9060b74d00484e70d2a3d8f40bf9e41b42bb4683c831310 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d9553530a1b2525a570c73da7e0d03aa6eaa10ce9662730eecc09756c7fe8b43 [INFO] running `Command { std: "docker" "start" "-a" "d9553530a1b2525a570c73da7e0d03aa6eaa10ce9662730eecc09756c7fe8b43", kill_on_drop: false }` [INFO] [stderr] Compiling rust-playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::collections::binary_heap::Iter` [INFO] [stdout] --> src/bin/iterator-learning.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::binary_heap::Iter; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/bin/iterator-learning.rs:79:9 [INFO] [stdout] | [INFO] [stdout] 79 | let b: std::slice::Iter = a.iter(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `traverse` [INFO] [stdout] --> src/bin/iterator-learning.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | fn traverse(&self, f: impl Fn(&It)) { [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 0.48s [INFO] running `Command { std: "docker" "inspect" "d9553530a1b2525a570c73da7e0d03aa6eaa10ce9662730eecc09756c7fe8b43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9553530a1b2525a570c73da7e0d03aa6eaa10ce9662730eecc09756c7fe8b43", kill_on_drop: false }` [INFO] [stdout] d9553530a1b2525a570c73da7e0d03aa6eaa10ce9662730eecc09756c7fe8b43 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 214d0aafede4abe54b316c8aa290869200f5e5e4ad62cfdb54ec524b8e855955 [INFO] running `Command { std: "docker" "start" "-a" "214d0aafede4abe54b316c8aa290869200f5e5e4ad62cfdb54ec524b8e855955", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused import: `std::collections::binary_heap::Iter` [INFO] [stderr] --> src/bin/iterator-learning.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::collections::binary_heap::Iter; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b` [INFO] [stderr] --> src/bin/iterator-learning.rs:79:9 [INFO] [stderr] | [INFO] [stderr] 79 | let b: std::slice::Iter = a.iter(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `traverse` [INFO] [stderr] --> src/bin/iterator-learning.rs:9:8 [INFO] [stderr] | [INFO] [stderr] 9 | fn traverse(&self, f: impl Fn(&It)) { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `rust-playground` (bin "iterator-learning" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.50s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ctf_cpawq6-9a4a512e857f23f6) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/iterator_learning-83996bb7c62865eb) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test test_borrowing_for_loop ... ok [INFO] [stdout] test test_borrowing_iterator ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/none_eq-bc982c72727d47ea) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_playground-21e5ffb039b61742) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/smart_default-915902ee4f7ac88e) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/string_chunk-97b4adbcea2ea3e2) [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" "214d0aafede4abe54b316c8aa290869200f5e5e4ad62cfdb54ec524b8e855955", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "214d0aafede4abe54b316c8aa290869200f5e5e4ad62cfdb54ec524b8e855955", kill_on_drop: false }` [INFO] [stdout] 214d0aafede4abe54b316c8aa290869200f5e5e4ad62cfdb54ec524b8e855955