[INFO] fetching crate traverse 0.0.12... [INFO] testing traverse-0.0.12 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] extracting crate traverse 0.0.12 into /workspace/builds/worker-81/source [INFO] validating manifest of crates.io crate traverse 0.0.12 on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-81/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9e376a5222a45a5f69b48856c2391a229a148cfef5b6c28b5017c1dfd0c509c3 [INFO] running `Command { std: "docker" "start" "-a" "9e376a5222a45a5f69b48856c2391a229a148cfef5b6c28b5017c1dfd0c509c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9e376a5222a45a5f69b48856c2391a229a148cfef5b6c28b5017c1dfd0c509c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e376a5222a45a5f69b48856c2391a229a148cfef5b6c28b5017c1dfd0c509c3", kill_on_drop: false }` [INFO] [stdout] 9e376a5222a45a5f69b48856c2391a229a148cfef5b6c28b5017c1dfd0c509c3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 67e0d52675a062fd2aafaa1b4f7f2485a18986e4b0c81a387498571821cb7ad9 [INFO] running `Command { std: "docker" "start" "-a" "67e0d52675a062fd2aafaa1b4f7f2485a18986e4b0c81a387498571821cb7ad9", 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] Compiling autocfg v1.0.1 [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] Compiling num-complex v0.4.0 [INFO] [stderr] Compiling num v0.4.0 [INFO] [stderr] Compiling 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.54s [INFO] running `Command { std: "docker" "inspect" "67e0d52675a062fd2aafaa1b4f7f2485a18986e4b0c81a387498571821cb7ad9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "67e0d52675a062fd2aafaa1b4f7f2485a18986e4b0c81a387498571821cb7ad9", kill_on_drop: false }` [INFO] [stdout] 67e0d52675a062fd2aafaa1b4f7f2485a18986e4b0c81a387498571821cb7ad9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 32725161abb3fbccdcc8d868252bc7c90b72948e752486c0627003e0a5f05b7a [INFO] running `Command { std: "docker" "start" "-a" "32725161abb3fbccdcc8d868252bc7c90b72948e752486c0627003e0a5f05b7a", 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] Compiling libc v0.2.108 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.15 [INFO] [stderr] Compiling regex v1.5.4 [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] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling env_logger v0.8.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling quickcheck v1.0.3 [INFO] [stderr] Compiling 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] 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] [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] [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] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "32725161abb3fbccdcc8d868252bc7c90b72948e752486c0627003e0a5f05b7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32725161abb3fbccdcc8d868252bc7c90b72948e752486c0627003e0a5f05b7a", kill_on_drop: false }` [INFO] [stdout] 32725161abb3fbccdcc8d868252bc7c90b72948e752486c0627003e0a5f05b7a