[INFO] fetching crate subslice 0.2.3... [INFO] checking subslice-0.2.3 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] extracting crate subslice 0.2.3 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate subslice 0.2.3 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate subslice 0.2.3 [INFO] finished tweaking crates.io crate subslice 0.2.3 [INFO] tweaked toml for crates.io crate subslice 0.2.3 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rand v0.3.23 [INFO] [stderr] Downloaded rustc_version v0.1.7 [INFO] [stderr] Downloaded fuchsia-cprng v0.1.1 [INFO] [stderr] Downloaded rand_core v0.4.2 [INFO] [stderr] Downloaded semver v0.1.20 [INFO] [stderr] Downloaded quickcheck v0.5.0 [INFO] [stderr] Downloaded defmac v0.1.3 [INFO] [stderr] Downloaded macro-attr v0.2.0 [INFO] [stderr] Downloaded newtype_derive v0.1.6 [INFO] [stderr] Downloaded unchecked-index v0.2.2 [INFO] [stderr] Downloaded itertools v0.7.11 [INFO] [stderr] Downloaded rand_core v0.3.1 [INFO] [stderr] Downloaded rdrand v0.4.0 [INFO] [stderr] Downloaded odds v0.2.26 [INFO] [stderr] Downloaded rand v0.4.6 [INFO] [stderr] Downloaded jetscii v0.3.1 [INFO] [stderr] Downloaded galil-seiferas v0.1.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", 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] a2dda7543ba66b1143bd311bfe2867323f1e4a9195fb61494022d68fc1ce58df [INFO] running `Command { std: "docker" "start" "-a" "a2dda7543ba66b1143bd311bfe2867323f1e4a9195fb61494022d68fc1ce58df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a2dda7543ba66b1143bd311bfe2867323f1e4a9195fb61494022d68fc1ce58df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2dda7543ba66b1143bd311bfe2867323f1e4a9195fb61494022d68fc1ce58df", kill_on_drop: false }` [INFO] [stdout] a2dda7543ba66b1143bd311bfe2867323f1e4a9195fb61494022d68fc1ce58df [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3eae35df55ee0c405e2a556541297c04e4f7e66da42c1134a0537908d67a2eed [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" "3eae35df55ee0c405e2a556541297c04e4f7e66da42c1134a0537908d67a2eed", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Checking odds v0.2.26 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking subslice v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/lib.rs:735:18 [INFO] [stdout] | [INFO] [stdout] 735 | 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:735:25 [INFO] [stdout] | [INFO] [stdout] 735 | 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:736:17 [INFO] [stdout] | [INFO] [stdout] 736 | 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:736:24 [INFO] [stdout] | [INFO] [stdout] 736 | 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] Checking rand v0.4.6 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking quickcheck v0.5.0 [INFO] [stdout] error[E0463]: can't find crate for `unchecked_index` [INFO] [stdout] --> benches/pathology.rs:12:1 [INFO] [stdout] | [INFO] [stdout] 12 | extern crate unchecked_index; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stderr] error: could not compile `subslice` due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/tw.rs:305:39 [INFO] [stdout] | [INFO] [stdout] 305 | assert_eq!(2, compute_max_suf_pos((b"aab"))); [INFO] [stdout] | ^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/tw.rs:307:39 [INFO] [stdout] | [INFO] [stdout] 307 | assert_eq!(2, compute_max_suf_pos((b"aabaa"))); [INFO] [stdout] | ^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/tw.rs:309:39 [INFO] [stdout] | [INFO] [stdout] 309 | assert_eq!(0, compute_max_suf_pos((b"gcagagag"))); [INFO] [stdout] | ^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/tw.rs:310:39 [INFO] [stdout] | [INFO] [stdout] 310 | assert_eq!(2, compute_max_suf_pos((b"banana"))); [INFO] [stdout] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/tw.rs:315:42 [INFO] [stdout] | [INFO] [stdout] 315 | assert_eq!((2, 1), maxsuf_and_period((b"aab"))); [INFO] [stdout] | ^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/tw.rs:316:42 [INFO] [stdout] | [INFO] [stdout] 316 | assert_eq!((2, 3), maxsuf_and_period((b"aabaa"))); [INFO] [stdout] | ^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/tw.rs:317:42 [INFO] [stdout] | [INFO] [stdout] 317 | assert_eq!((0, 7), maxsuf_and_period((b"gcagagag"))); [INFO] [stdout] | ^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/lib.rs:735:18 [INFO] [stdout] | [INFO] [stdout] 735 | 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:735:25 [INFO] [stdout] | [INFO] [stdout] 735 | 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:736:17 [INFO] [stdout] | [INFO] [stdout] 736 | 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:736:24 [INFO] [stdout] | [INFO] [stdout] 736 | 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: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "3eae35df55ee0c405e2a556541297c04e4f7e66da42c1134a0537908d67a2eed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3eae35df55ee0c405e2a556541297c04e4f7e66da42c1134a0537908d67a2eed", kill_on_drop: false }` [INFO] [stdout] 3eae35df55ee0c405e2a556541297c04e4f7e66da42c1134a0537908d67a2eed