[INFO] fetching crate traverse 0.0.12... [INFO] testing traverse-0.0.12 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] extracting crate traverse 0.0.12 into /workspace/builds/worker-84/source [INFO] validating manifest of crates.io crate traverse 0.0.12 on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-84/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0420c04da139571bef100e9ba83877082e4b7b2b7053f1bf4668615b77328520 [INFO] running `Command { std: "docker" "start" "-a" "0420c04da139571bef100e9ba83877082e4b7b2b7053f1bf4668615b77328520", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0420c04da139571bef100e9ba83877082e4b7b2b7053f1bf4668615b77328520", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0420c04da139571bef100e9ba83877082e4b7b2b7053f1bf4668615b77328520", kill_on_drop: false }` [INFO] [stdout] 0420c04da139571bef100e9ba83877082e4b7b2b7053f1bf4668615b77328520 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] da4044cce4c37574127f329a27712f69ac5d0b0ae4c2658db637506e91b7602f [INFO] running `Command { std: "docker" "start" "-a" "da4044cce4c37574127f329a27712f69ac5d0b0ae4c2658db637506e91b7602f", 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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Compiling num-rational v0.4.0 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-integer v0.1.44 [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 13.96s [INFO] running `Command { std: "docker" "inspect" "da4044cce4c37574127f329a27712f69ac5d0b0ae4c2658db637506e91b7602f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da4044cce4c37574127f329a27712f69ac5d0b0ae4c2658db637506e91b7602f", kill_on_drop: false }` [INFO] [stdout] da4044cce4c37574127f329a27712f69ac5d0b0ae4c2658db637506e91b7602f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f9c512b41a4e930d0a681c81d13cb8a2f5c9f97b040d3bb8b138b74577a81dd2 [INFO] running `Command { std: "docker" "start" "-a" "f9c512b41a4e930d0a681c81d13cb8a2f5c9f97b040d3bb8b138b74577a81dd2", 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 libc v0.2.108 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling ppv-lite86 v0.2.15 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling aho-corasick v0.7.18 [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 getrandom v0.2.3 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling env_logger 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" "f9c512b41a4e930d0a681c81d13cb8a2f5c9f97b040d3bb8b138b74577a81dd2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9c512b41a4e930d0a681c81d13cb8a2f5c9f97b040d3bb8b138b74577a81dd2", kill_on_drop: false }` [INFO] [stdout] f9c512b41a4e930d0a681c81d13cb8a2f5c9f97b040d3bb8b138b74577a81dd2