[INFO] fetching crate double_decker 0.0.3... [INFO] testing double_decker-0.0.3 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate double_decker 0.0.3 into /workspace/builds/worker-59/source [INFO] validating manifest of crates.io crate double_decker 0.0.3 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 crates.io crate double_decker 0.0.3 [INFO] finished tweaking crates.io crate double_decker 0.0.3 [INFO] tweaked toml for crates.io crate double_decker 0.0.3 written to /workspace/builds/worker-59/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [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-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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] 99d9c278218620d0b363f2aac041aef081e4a513a899bc809b935537c2679e8a [INFO] running `Command { std: "docker" "start" "-a" "99d9c278218620d0b363f2aac041aef081e4a513a899bc809b935537c2679e8a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "99d9c278218620d0b363f2aac041aef081e4a513a899bc809b935537c2679e8a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99d9c278218620d0b363f2aac041aef081e4a513a899bc809b935537c2679e8a", kill_on_drop: false }` [INFO] [stdout] 99d9c278218620d0b363f2aac041aef081e4a513a899bc809b935537c2679e8a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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] 3b043f921ea767d871781abc3c2a9c8863519d9efbc84a841c3e4a27617d6657 [INFO] running `Command { std: "docker" "start" "-a" "3b043f921ea767d871781abc3c2a9c8863519d9efbc84a841c3e4a27617d6657", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling crossbeam-queue v0.3.5 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.8 [INFO] [stderr] Compiling crossbeam-channel v0.5.4 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling crossbeam v0.8.1 [INFO] [stderr] Compiling double_decker v0.0.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `terminate` [INFO] [stdout] --> src/lib.rs:223:5 [INFO] [stdout] | [INFO] [stdout] 223 | terminate: Arc, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Subscription` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:221:10 [INFO] [stdout] | [INFO] [stdout] 221 | #[derive(Clone)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.71s [INFO] running `Command { std: "docker" "inspect" "3b043f921ea767d871781abc3c2a9c8863519d9efbc84a841c3e4a27617d6657", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b043f921ea767d871781abc3c2a9c8863519d9efbc84a841c3e4a27617d6657", kill_on_drop: false }` [INFO] [stdout] 3b043f921ea767d871781abc3c2a9c8863519d9efbc84a841c3e4a27617d6657 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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] 2b2757d27e009fb614a40ef7d119dcdd842af473b80542a9468065bff2dfa019 [INFO] running `Command { std: "docker" "start" "-a" "2b2757d27e009fb614a40ef7d119dcdd842af473b80542a9468065bff2dfa019", kill_on_drop: false }` [INFO] [stderr] Compiling double_decker v0.0.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `terminate` [INFO] [stdout] --> src/lib.rs:223:5 [INFO] [stdout] | [INFO] [stdout] 223 | terminate: Arc, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Subscription` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:221:10 [INFO] [stdout] | [INFO] [stdout] 221 | #[derive(Clone)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `terminate` [INFO] [stdout] --> src/lib.rs:223:5 [INFO] [stdout] | [INFO] [stdout] 223 | terminate: Arc, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Subscription` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:221:10 [INFO] [stdout] | [INFO] [stdout] 221 | #[derive(Clone)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.10s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/double_decker-d6dcd1e83fb14b24) [INFO] [stderr] Executable tests/lib.rs (/opt/rustwide/target/debug/deps/lib-a006671b23fc7dbf) [INFO] running `Command { std: "docker" "inspect" "2b2757d27e009fb614a40ef7d119dcdd842af473b80542a9468065bff2dfa019", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b2757d27e009fb614a40ef7d119dcdd842af473b80542a9468065bff2dfa019", kill_on_drop: false }` [INFO] [stdout] 2b2757d27e009fb614a40ef7d119dcdd842af473b80542a9468065bff2dfa019 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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] b6b8bb5607246fdc8acd549da27b0d22b7c70d5c70a17a0b02a7749c4af910c2 [INFO] running `Command { std: "docker" "start" "-a" "b6b8bb5607246fdc8acd549da27b0d22b7c70d5c70a17a0b02a7749c4af910c2", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] [INFO] [stderr] warning: field is never read: `terminate` [INFO] [stdout] running 2 tests [INFO] [stderr] --> src/lib.rs:223:5 [INFO] [stdout] test tests::clone_subscription_without_dropping ... ok [INFO] [stderr] | [INFO] [stdout] test tests::subscribe_on_thread ... ok [INFO] [stderr] 223 | terminate: Arc, [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `Subscription` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/lib.rs:221:10 [INFO] [stderr] | [INFO] [stderr] 221 | #[derive(Clone)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `double_decker` (lib) generated 1 warning [INFO] [stderr] warning: `double_decker` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.23s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/double_decker-d6dcd1e83fb14b24) [INFO] [stderr] Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-a006671b23fc7dbf) [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test it_detects_closure ... ok [INFO] [stdout] test it_fails_when_empty ... ok [INFO] [stdout] test it_handles_leaves ... ok [INFO] [stdout] test it_recvs_after_close ... ok [INFO] [stdout] test it_runs_blocked_reads ... ok [INFO] [stdout] test it_works ... ok [INFO] [stdout] test it_iterates ... ok [INFO] [stdout] test it_can_count_to_10000 ... ok [INFO] [stdout] test aggressive_iteration ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.07s [INFO] [stdout] [INFO] [stderr] Doc-tests double_decker [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/lib.rs - (line 34) ... ok [INFO] [stdout] test src/lib.rs - (line 81) ... ok [INFO] [stdout] test src/lib.rs - (line 48) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.05s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b6b8bb5607246fdc8acd549da27b0d22b7c70d5c70a17a0b02a7749c4af910c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6b8bb5607246fdc8acd549da27b0d22b7c70d5c70a17a0b02a7749c4af910c2", kill_on_drop: false }` [INFO] [stdout] b6b8bb5607246fdc8acd549da27b0d22b7c70d5c70a17a0b02a7749c4af910c2