[INFO] cloning repository https://github.com/Frozen/hierarchy [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Frozen/hierarchy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrozen%2Fhierarchy", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrozen%2Fhierarchy'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e43b6ec362026353024196540157938f151785de [INFO] testing Frozen/hierarchy 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%2FFrozen%2Fhierarchy" "/workspace/builds/worker-28/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Frozen/hierarchy 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/Frozen/hierarchy [INFO] finished tweaking git repo https://github.com/Frozen/hierarchy [INFO] tweaked toml for git repo https://github.com/Frozen/hierarchy written to /workspace/builds/worker-28/source/Cargo.toml [INFO] crate git repo https://github.com/Frozen/hierarchy 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-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 5b6378e35c0da1e9541ecc1df3b4f0018f59d0405c5c89fd10b65e0489dbf6d1 [INFO] running `Command { std: "docker" "start" "-a" "5b6378e35c0da1e9541ecc1df3b4f0018f59d0405c5c89fd10b65e0489dbf6d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5b6378e35c0da1e9541ecc1df3b4f0018f59d0405c5c89fd10b65e0489dbf6d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b6378e35c0da1e9541ecc1df3b4f0018f59d0405c5c89fd10b65e0489dbf6d1", kill_on_drop: false }` [INFO] [stdout] 5b6378e35c0da1e9541ecc1df3b4f0018f59d0405c5c89fd10b65e0489dbf6d1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] a591a3677c622f4f506768d0e2a60037f552e082fcf6ce2ead6874c9c8a5b154 [INFO] running `Command { std: "docker" "start" "-a" "a591a3677c622f4f506768d0e2a60037f552e082fcf6ce2ead6874c9c8a5b154", kill_on_drop: false }` [INFO] [stderr] Compiling hierarchy v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `tree` [INFO] [stdout] --> src/lib.rs:112:5 [INFO] [stdout] | [INFO] [stdout] 112 | tree: &'a HashMap>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(dead_code)]` implied by `#[warn(warnings)]` [INFO] [stdout] note: `TreeIterator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:107:10 [INFO] [stdout] | [INFO] [stdout] 107 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `parent` [INFO] [stdout] --> src/lib.rs:114:5 [INFO] [stdout] | [INFO] [stdout] 114 | parent: usize, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `TreeIterator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:107:10 [INFO] [stdout] | [INFO] [stdout] 107 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.56s [INFO] running `Command { std: "docker" "inspect" "a591a3677c622f4f506768d0e2a60037f552e082fcf6ce2ead6874c9c8a5b154", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a591a3677c622f4f506768d0e2a60037f552e082fcf6ce2ead6874c9c8a5b154", kill_on_drop: false }` [INFO] [stdout] a591a3677c622f4f506768d0e2a60037f552e082fcf6ce2ead6874c9c8a5b154 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 0a6f035edd43fc159ebfa0396ed4e28c7b0078e915f04ca53b06bf595193e28a [INFO] running `Command { std: "docker" "start" "-a" "0a6f035edd43fc159ebfa0396ed4e28c7b0078e915f04ca53b06bf595193e28a", kill_on_drop: false }` [INFO] [stdout] warning: field is never read: `tree` [INFO] [stdout] --> src/lib.rs:112:5 [INFO] [stdout] | [INFO] [stdout] 112 | tree: &'a HashMap>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(dead_code)]` implied by `#[warn(warnings)]` [INFO] [stdout] note: `TreeIterator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:107:10 [INFO] [stdout] | [INFO] [stdout] 107 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `parent` [INFO] [stdout] --> src/lib.rs:114:5 [INFO] [stdout] | [INFO] [stdout] 114 | parent: usize, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `TreeIterator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:107:10 [INFO] [stdout] | [INFO] [stdout] 107 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling hierarchy v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `tree` [INFO] [stdout] --> src/lib.rs:112:5 [INFO] [stdout] | [INFO] [stdout] 112 | tree: &'a HashMap>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(dead_code)]` implied by `#[warn(warnings)]` [INFO] [stdout] note: `TreeIterator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:107:10 [INFO] [stdout] | [INFO] [stdout] 107 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `parent` [INFO] [stdout] --> src/lib.rs:114:5 [INFO] [stdout] | [INFO] [stdout] 114 | parent: usize, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `TreeIterator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:107:10 [INFO] [stdout] | [INFO] [stdout] 107 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.46s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/hierarchy-eb464a5ac04b7991) [INFO] running `Command { std: "docker" "inspect" "0a6f035edd43fc159ebfa0396ed4e28c7b0078e915f04ca53b06bf595193e28a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a6f035edd43fc159ebfa0396ed4e28c7b0078e915f04ca53b06bf595193e28a", kill_on_drop: false }` [INFO] [stdout] 0a6f035edd43fc159ebfa0396ed4e28c7b0078e915f04ca53b06bf595193e28a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] b9470316aa46d118c78da9e5afb8e0104dd51865ff490a84e2afd9975d94f811 [INFO] running `Command { std: "docker" "start" "-a" "b9470316aa46d118c78da9e5afb8e0104dd51865ff490a84e2afd9975d94f811", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: field is never read: `tree` [INFO] [stderr] --> src/lib.rs:112:5 [INFO] [stderr] | [INFO] [stderr] 112 | tree: &'a HashMap>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/lib.rs:3:9 [INFO] [stderr] | [INFO] [stderr] 3 | #![deny(warnings)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: `#[warn(dead_code)]` implied by `#[warn(warnings)]` [INFO] [stderr] note: `TreeIterator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/lib.rs:107:10 [INFO] [stderr] | [INFO] [stderr] 107 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `parent` [INFO] [stderr] --> src/lib.rs:114:5 [INFO] [stderr] | [INFO] [stderr] 114 | parent: usize, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `TreeIterator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/lib.rs:107:10 [INFO] [stderr] | [INFO] [stderr] 107 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `hierarchy` (lib) generated 2 warnings [INFO] [stderr] warning: `hierarchy` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 14.23s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hierarchy-eb464a5ac04b7991) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_hierarchy ... 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] [stderr] Doc-tests hierarchy [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" "b9470316aa46d118c78da9e5afb8e0104dd51865ff490a84e2afd9975d94f811", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9470316aa46d118c78da9e5afb8e0104dd51865ff490a84e2afd9975d94f811", kill_on_drop: false }` [INFO] [stdout] b9470316aa46d118c78da9e5afb8e0104dd51865ff490a84e2afd9975d94f811