[INFO] fetching crate twoway 0.2.2... [INFO] testing twoway-0.2.2 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479 [INFO] extracting crate twoway 0.2.2 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate twoway 0.2.2 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate twoway 0.2.2 [INFO] finished tweaking crates.io crate twoway 0.2.2 [INFO] tweaked toml for crates.io crate twoway 0.2.2 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rawslice v0.1.1 [INFO] [stderr] Downloaded odds v0.3.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b716225e73f18d4c686c89a01abdb9e0f84b7530d8c1ce7d6cc6487c8aca7856 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "b716225e73f18d4c686c89a01abdb9e0f84b7530d8c1ce7d6cc6487c8aca7856", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b716225e73f18d4c686c89a01abdb9e0f84b7530d8c1ce7d6cc6487c8aca7856", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b716225e73f18d4c686c89a01abdb9e0f84b7530d8c1ce7d6cc6487c8aca7856", kill_on_drop: false }` [INFO] [stdout] b716225e73f18d4c686c89a01abdb9e0f84b7530d8c1ce7d6cc6487c8aca7856 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 3d0c24fc8f2751b6272cfcc5d8b9b6d6600b3833ea6c92d2df16f942c47eeda2 [INFO] running `Command { std: "docker" "start" "-a" "3d0c24fc8f2751b6272cfcc5d8b9b6d6600b3833ea6c92d2df16f942c47eeda2", kill_on_drop: false }` [INFO] [stderr] Compiling twoway v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/lib.rs:800:18 [INFO] [stdout] | [INFO] [stdout] 800 | fn rejecting(usize, usize) -> Self::Output; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/lib.rs:800:25 [INFO] [stdout] | [INFO] [stdout] 800 | fn rejecting(usize, usize) -> Self::Output; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/lib.rs:801:17 [INFO] [stdout] | [INFO] [stdout] 801 | fn matching(usize, usize) -> Self::Output; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/lib.rs:801:24 [INFO] [stdout] | [INFO] [stdout] 801 | fn matching(usize, usize) -> Self::Output; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.12s [INFO] running `Command { std: "docker" "inspect" "3d0c24fc8f2751b6272cfcc5d8b9b6d6600b3833ea6c92d2df16f942c47eeda2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d0c24fc8f2751b6272cfcc5d8b9b6d6600b3833ea6c92d2df16f942c47eeda2", kill_on_drop: false }` [INFO] [stdout] 3d0c24fc8f2751b6272cfcc5d8b9b6d6600b3833ea6c92d2df16f942c47eeda2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bc81beba7da38e4eadbbb635ecd13558fa929c3d63486ea4beb12e6f18fb34bb [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "bc81beba7da38e4eadbbb635ecd13558fa929c3d63486ea4beb12e6f18fb34bb", kill_on_drop: false }` [INFO] [stderr] Compiling macro-attr v0.2.0 [INFO] [stderr] Compiling rawslice v0.1.1 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling newtype_derive v0.1.6 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/lib.rs:800:18 [INFO] [stdout] | [INFO] [stdout] 800 | fn rejecting(usize, usize) -> Self::Output; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/lib.rs:800:25 [INFO] [stdout] | [INFO] [stdout] 800 | fn rejecting(usize, usize) -> Self::Output; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/lib.rs:801:17 [INFO] [stdout] | [INFO] [stdout] 801 | fn matching(usize, usize) -> Self::Output; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/lib.rs:801:24 [INFO] [stdout] | [INFO] [stdout] 801 | fn matching(usize, usize) -> Self::Output; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling odds v0.3.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling quickcheck v0.8.5 [INFO] [stderr] Compiling twoway v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/lib.rs:800:18 [INFO] [stdout] | [INFO] [stdout] 800 | fn rejecting(usize, usize) -> Self::Output; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/lib.rs:800:25 [INFO] [stdout] | [INFO] [stdout] 800 | fn rejecting(usize, usize) -> Self::Output; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/lib.rs:801:17 [INFO] [stdout] | [INFO] [stdout] 801 | fn matching(usize, usize) -> Self::Output; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/lib.rs:801:24 [INFO] [stdout] | [INFO] [stdout] 801 | fn matching(usize, usize) -> Self::Output; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 8.32s [INFO] running `Command { std: "docker" "inspect" "bc81beba7da38e4eadbbb635ecd13558fa929c3d63486ea4beb12e6f18fb34bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bc81beba7da38e4eadbbb635ecd13558fa929c3d63486ea4beb12e6f18fb34bb", kill_on_drop: false }` [INFO] [stdout] bc81beba7da38e4eadbbb635ecd13558fa929c3d63486ea4beb12e6f18fb34bb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2f256646d22e930620fae1311d03413070ff8a7f7701a256ebd8c1b4c394e32e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "2f256646d22e930620fae1311d03413070ff8a7f7701a256ebd8c1b4c394e32e", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] running 9 tests [INFO] [stderr] --> src/lib.rs:800:18 [INFO] [stdout] test maximal_suffix ... ok [INFO] [stderr] | [INFO] [stdout] test maximal_suffix_verbose ... ok [INFO] [stderr] 800 | fn rejecting(usize, usize) -> Self::Output; [INFO] [stdout] test pcmp::test_first_start_of_match ... ok [INFO] [stderr] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize` [INFO] [stdout] test tw::test_find ... ok [INFO] [stderr] | [INFO] [stdout] test pcmp::test_prefixlen ... ok [INFO] [stderr] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] test tw::test_max ... ok [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] test pcmp::test_find ... ok [INFO] [stderr] = note: for more information, see issue #41686 [INFO] [stdout] test tw::test_max_suf_pos ... ok [INFO] [stderr] [INFO] [stdout] test tw::test_maxsuf_and_period ... ok [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] [INFO] [stderr] --> src/lib.rs:800:25 [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] 800 | fn rejecting(usize, usize) -> Self::Output; [INFO] [stdout] [INFO] [stderr] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize` [INFO] [stdout] running 0 tests [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stderr] [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stderr] --> src/lib.rs:801:17 [INFO] [stderr] | [INFO] [stderr] 801 | fn matching(usize, usize) -> Self::Output; [INFO] [stderr] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stderr] = note: for more information, see issue #41686 [INFO] [stderr] [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stderr] --> src/lib.rs:801:24 [INFO] [stderr] | [INFO] [stderr] 801 | fn matching(usize, usize) -> Self::Output; [INFO] [stderr] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stderr] = note: for more information, see issue #41686 [INFO] [stderr] [INFO] [stderr] warning: `twoway` (lib) generated 4 warnings [INFO] [stderr] warning: `twoway` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/twoway-ae864e85a3e7d1d3) [INFO] [stderr] Running tests/quick.rs (/opt/rustwide/target/debug/deps/quick-3e1d24bbc0cd8301) [INFO] [stderr] Doc-tests twoway [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" "2f256646d22e930620fae1311d03413070ff8a7f7701a256ebd8c1b4c394e32e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f256646d22e930620fae1311d03413070ff8a7f7701a256ebd8c1b4c394e32e", kill_on_drop: false }` [INFO] [stdout] 2f256646d22e930620fae1311d03413070ff8a7f7701a256ebd8c1b4c394e32e