[INFO] crate dynpool 0.0.1 is already in cache [INFO] extracting crate dynpool 0.0.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/dynpool/0.0.1 [INFO] extracting crate dynpool 0.0.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/dynpool/0.0.1 [INFO] validating manifest of dynpool-0.0.1 on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of dynpool-0.0.1 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing dynpool-0.0.1 [INFO] removed 4 missing examples [INFO] finished frobbing dynpool-0.0.1 [INFO] frobbed toml for dynpool-0.0.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/dynpool/0.0.1/Cargo.toml [INFO] started frobbing dynpool-0.0.1 [INFO] removed 4 missing examples [INFO] finished frobbing dynpool-0.0.1 [INFO] frobbed toml for dynpool-0.0.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/dynpool/0.0.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing dynpool-0.0.1 against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/dynpool/0.0.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 08059a441d9b093bf56538e41fc43d4ac33ea608ab4a85d39f448797708fa721 [INFO] running `"docker" "start" "-a" "08059a441d9b093bf56538e41fc43d4ac33ea608ab4a85d39f448797708fa721"` [INFO] [stderr] warning: An explicit [[example]] section is specified in Cargo.toml which currently [INFO] [stderr] disables Cargo from automatically inferring other example targets. [INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following [INFO] [stderr] files will be included as a example target: [INFO] [stderr] [INFO] [stderr] * /opt/crater/workdir/examples/smasher.rs [INFO] [stderr] * /opt/crater/workdir/examples/builtins.rs [INFO] [stderr] * /opt/crater/workdir/examples/foreground.rs [INFO] [stderr] * /opt/crater/workdir/examples/background.rs [INFO] [stderr] [INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be [INFO] [stderr] ready to be compiled as a example target today. You can future-proof yourself [INFO] [stderr] and disable this warning by adding `autoexamples = false` to your [package] [INFO] [stderr] section. You may also move the files to a location where Cargo would not [INFO] [stderr] automatically infer them to be a target, such as in subfolders. [INFO] [stderr] [INFO] [stderr] For more information on this warning you can consult [INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330 [INFO] [stderr] Compiling backoff v0.1.5 [INFO] [stderr] Compiling dynpool v0.0.1 (/opt/crater/workdir) [INFO] [stderr] warning: the item `CountState` is imported redundantly [INFO] [stderr] --> src/internal.rs:36:13 [INFO] [stderr] | [INFO] [stderr] 13 | / pub enum CountState { [INFO] [stderr] 14 | | /// A known count of threads are self-sustaining. [INFO] [stderr] 15 | | Running(usize), [INFO] [stderr] 16 | | /// Thread count is unknown because of a panic. [INFO] [stderr] 17 | | Panic, [INFO] [stderr] 18 | | } [INFO] [stderr] | |_- the item `CountState` is already defined here [INFO] [stderr] ... [INFO] [stderr] 36 | use self::CountState; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.17s [INFO] running `"docker" "inspect" "08059a441d9b093bf56538e41fc43d4ac33ea608ab4a85d39f448797708fa721"` [INFO] running `"docker" "rm" "-f" "08059a441d9b093bf56538e41fc43d4ac33ea608ab4a85d39f448797708fa721"` [INFO] [stdout] 08059a441d9b093bf56538e41fc43d4ac33ea608ab4a85d39f448797708fa721 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/dynpool/0.0.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 8dff9c8cd055616d75600092226968f9ff5d364eb21b533170b127b6ccb9f9b3 [INFO] running `"docker" "start" "-a" "8dff9c8cd055616d75600092226968f9ff5d364eb21b533170b127b6ccb9f9b3"` [INFO] [stderr] warning: An explicit [[example]] section is specified in Cargo.toml which currently [INFO] [stderr] disables Cargo from automatically inferring other example targets. [INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following [INFO] [stderr] files will be included as a example target: [INFO] [stderr] [INFO] [stderr] * /opt/crater/workdir/examples/smasher.rs [INFO] [stderr] * /opt/crater/workdir/examples/builtins.rs [INFO] [stderr] * /opt/crater/workdir/examples/foreground.rs [INFO] [stderr] * /opt/crater/workdir/examples/background.rs [INFO] [stderr] [INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be [INFO] [stderr] ready to be compiled as a example target today. You can future-proof yourself [INFO] [stderr] and disable this warning by adding `autoexamples = false` to your [package] [INFO] [stderr] section. You may also move the files to a location where Cargo would not [INFO] [stderr] automatically infer them to be a target, such as in subfolders. [INFO] [stderr] [INFO] [stderr] For more information on this warning you can consult [INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330 [INFO] [stderr] Compiling dynpool v0.0.1 (/opt/crater/workdir) [INFO] [stderr] warning: the item `CountState` is imported redundantly [INFO] [stderr] --> src/internal.rs:36:13 [INFO] [stderr] | [INFO] [stderr] 13 | / pub enum CountState { [INFO] [stderr] 14 | | /// A known count of threads are self-sustaining. [INFO] [stderr] 15 | | Running(usize), [INFO] [stderr] 16 | | /// Thread count is unknown because of a panic. [INFO] [stderr] 17 | | Panic, [INFO] [stderr] 18 | | } [INFO] [stderr] | |_- the item `CountState` is already defined here [INFO] [stderr] ... [INFO] [stderr] 36 | use self::CountState; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.73s [INFO] running `"docker" "inspect" "8dff9c8cd055616d75600092226968f9ff5d364eb21b533170b127b6ccb9f9b3"` [INFO] running `"docker" "rm" "-f" "8dff9c8cd055616d75600092226968f9ff5d364eb21b533170b127b6ccb9f9b3"` [INFO] [stdout] 8dff9c8cd055616d75600092226968f9ff5d364eb21b533170b127b6ccb9f9b3 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/dynpool/0.0.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] a28ddc4a210b6abec14cd4b233f549ba4f2fa8115d7ee791a1f4861729ebb3a3 [INFO] running `"docker" "start" "-a" "a28ddc4a210b6abec14cd4b233f549ba4f2fa8115d7ee791a1f4861729ebb3a3"` [INFO] [stderr] warning: An explicit [[example]] section is specified in Cargo.toml which currently [INFO] [stderr] disables Cargo from automatically inferring other example targets. [INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following [INFO] [stderr] files will be included as a example target: [INFO] [stderr] [INFO] [stderr] * /opt/crater/workdir/examples/smasher.rs [INFO] [stderr] * /opt/crater/workdir/examples/builtins.rs [INFO] [stderr] * /opt/crater/workdir/examples/foreground.rs [INFO] [stderr] * /opt/crater/workdir/examples/background.rs [INFO] [stderr] [INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be [INFO] [stderr] ready to be compiled as a example target today. You can future-proof yourself [INFO] [stderr] and disable this warning by adding `autoexamples = false` to your [package] [INFO] [stderr] section. You may also move the files to a location where Cargo would not [INFO] [stderr] automatically infer them to be a target, such as in subfolders. [INFO] [stderr] [INFO] [stderr] For more information on this warning you can consult [INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330 [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/dynpool-929947d2275832d8 [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 [INFO] [stdout] [INFO] [stderr] Doc-tests dynpool [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test src/builtins.rs - builtins::with_threads (line 81) ... ok [INFO] [stdout] test src/lib.rs - (line 68) ... ok [INFO] [stdout] test src/builtins.rs - builtins::cache_scale (line 212) ... ok [INFO] [stdout] test src/builtins.rs - builtins::simple_func_worker (line 98) ... ok [INFO] [stdout] test src/builtins.rs - builtins::shutdown_after (line 163) ... ok [INFO] [stdout] test src/lib.rs - (line 16) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "a28ddc4a210b6abec14cd4b233f549ba4f2fa8115d7ee791a1f4861729ebb3a3"` [INFO] running `"docker" "rm" "-f" "a28ddc4a210b6abec14cd4b233f549ba4f2fa8115d7ee791a1f4861729ebb3a3"` [INFO] [stdout] a28ddc4a210b6abec14cd4b233f549ba4f2fa8115d7ee791a1f4861729ebb3a3