[INFO] fetching crate traverse 0.0.12... [INFO] checking traverse-0.0.12 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141 [INFO] extracting crate traverse 0.0.12 into /workspace/builds/worker-51/source [INFO] validating manifest of crates.io crate traverse 0.0.12 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate traverse 0.0.12 [INFO] finished tweaking crates.io crate traverse 0.0.12 [INFO] tweaked toml for crates.io crate traverse 0.0.12 written to /workspace/builds/worker-51/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: dependency (num) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 26f75673c908da8af196c9a453816cf184a6752dacaf1e0e6911d8e1a72aa007 [INFO] running `Command { std: "docker" "start" "-a" "26f75673c908da8af196c9a453816cf184a6752dacaf1e0e6911d8e1a72aa007", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "26f75673c908da8af196c9a453816cf184a6752dacaf1e0e6911d8e1a72aa007", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "26f75673c908da8af196c9a453816cf184a6752dacaf1e0e6911d8e1a72aa007", kill_on_drop: false }` [INFO] [stdout] 26f75673c908da8af196c9a453816cf184a6752dacaf1e0e6911d8e1a72aa007 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 32afa69de976e0873362ad72f75ec5e64b91475956f15c39aed472d33aa2eedd [INFO] running `Command { std: "docker" "start" "-a" "32afa69de976e0873362ad72f75ec5e64b91475956f15c39aed472d33aa2eedd", kill_on_drop: false }` [INFO] [stderr] warning: dependency (num) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking ppv-lite86 v0.2.15 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-rational v0.4.0 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking num-complex v0.4.0 [INFO] [stderr] Checking env_logger v0.8.4 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking quickcheck v1.0.3 [INFO] [stderr] Checking num v0.4.0 [INFO] [stderr] Checking traverse v0.0.12 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/lib.rs:23:25 [INFO] [stdout] | [INFO] [stdout] 23 | fn foreach(self, F) where F: FnMut(Self::Item) -> bool; [INFO] [stdout] | ^ help: try naming the parameter or explicitly ignoring it: `_: F` [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:23:25 [INFO] [stdout] | [INFO] [stdout] 23 | fn foreach(self, F) where F: FnMut(Self::Item) -> bool; [INFO] [stdout] | ^ help: try naming the parameter or explicitly ignoring it: `_: F` [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/impls/slice.rs:28:47 [INFO] [stdout] | [INFO] [stdout] 28 | let traversal: Vec = data.map(|&x| x).collect(); [INFO] [stdout] | ^-- [INFO] [stdout] | || [INFO] [stdout] | |expected due to this [INFO] [stdout] | expected integer, found reference [INFO] [stdout] | help: did you mean `x`: `&{integer}` [INFO] [stdout] | [INFO] [stdout] = note: expected type `{integer}` [INFO] [stdout] found reference `&_` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `Vec: FromTraversal<&_>` is not satisfied [INFO] [stdout] --> src/impls/slice.rs:28:54 [INFO] [stdout] | [INFO] [stdout] 28 | let traversal: Vec = data.map(|&x| x).collect(); [INFO] [stdout] | ^^^^^^^ the trait `FromTraversal<&_>` is not implemented for `Vec` [INFO] [stdout] | [INFO] [stdout] = help: the following implementations were found: [INFO] [stdout] as FromTraversal> [INFO] [stdout] note: required by a bound in `Traversal::collect` [INFO] [stdout] --> src/lib.rs:98:14 [INFO] [stdout] | [INFO] [stdout] 97 | fn collect(self) -> D [INFO] [stdout] | ------- required by a bound in this [INFO] [stdout] 98 | where D: FromTraversal { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Traversal::collect` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/impls/slice.rs:35:44 [INFO] [stdout] | [INFO] [stdout] 35 | let traversal: Vec<()> = data.map(|&x| x).collect(); [INFO] [stdout] | ^-- [INFO] [stdout] | || [INFO] [stdout] | |expected due to this [INFO] [stdout] | expected `()`, found reference [INFO] [stdout] | help: did you mean `x`: `&()` [INFO] [stdout] | [INFO] [stdout] = note: expected unit type `()` [INFO] [stdout] found reference `&_` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `Vec<()>: FromTraversal<&_>` is not satisfied [INFO] [stdout] --> src/impls/slice.rs:35:51 [INFO] [stdout] | [INFO] [stdout] 35 | let traversal: Vec<()> = data.map(|&x| x).collect(); [INFO] [stdout] | ^^^^^^^ the trait `FromTraversal<&_>` is not implemented for `Vec<()>` [INFO] [stdout] | [INFO] [stdout] = help: the following implementations were found: [INFO] [stdout] as FromTraversal> [INFO] [stdout] note: required by a bound in `Traversal::collect` [INFO] [stdout] --> src/lib.rs:98:14 [INFO] [stdout] | [INFO] [stdout] 97 | fn collect(self) -> D [INFO] [stdout] | ------- required by a bound in this [INFO] [stdout] 98 | where D: FromTraversal { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Traversal::collect` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0308. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `traverse` due to 5 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "32afa69de976e0873362ad72f75ec5e64b91475956f15c39aed472d33aa2eedd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32afa69de976e0873362ad72f75ec5e64b91475956f15c39aed472d33aa2eedd", kill_on_drop: false }` [INFO] [stdout] 32afa69de976e0873362ad72f75ec5e64b91475956f15c39aed472d33aa2eedd