[INFO] fetching crate ntree 0.1.0... [INFO] checking ntree-0.1.0 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3 [INFO] extracting crate ntree 0.1.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate ntree 0.1.0 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ntree 0.1.0 [INFO] finished tweaking crates.io crate ntree 0.1.0 [INFO] tweaked toml for crates.io crate ntree 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 12 packages [INFO] [stderr] Adding rand v0.3.23 (latest: v0.8.5) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ref_slice v1.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d239185b168b272697dbbdcabef29dceff264b1312720e8fb0ce8a1de432beb9 [INFO] running `Command { std: "docker" "start" "-a" "d239185b168b272697dbbdcabef29dceff264b1312720e8fb0ce8a1de432beb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d239185b168b272697dbbdcabef29dceff264b1312720e8fb0ce8a1de432beb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d239185b168b272697dbbdcabef29dceff264b1312720e8fb0ce8a1de432beb9", kill_on_drop: false }` [INFO] [stdout] d239185b168b272697dbbdcabef29dceff264b1312720e8fb0ce8a1de432beb9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4231f6fbb25a564c5757dca7a55b063c893eb2f7f385cda2457fa687306bf0bd [INFO] running `Command { std: "docker" "start" "-a" "4231f6fbb25a564c5757dca7a55b063c893eb2f7f385cda2457fa687306bf0bd", kill_on_drop: false }` [INFO] [stderr] Checking ref_slice v1.2.1 [INFO] [stderr] Checking ntree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/lib.rs:21:24 [INFO] [stdout] | [INFO] [stdout] 21 | fn contains(&self, &P) -> bool; [INFO] [stdout] | ^^ help: try naming the parameter or explicitly ignoring it: `_: &P` [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] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/lib.rs:202:17 [INFO] [stdout] | [INFO] [stdout] 202 | 'children: loop { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/lib.rs:21:24 [INFO] [stdout] | [INFO] [stdout] 21 | fn contains(&self, &P) -> bool; [INFO] [stdout] | ^^ help: try naming the parameter or explicitly ignoring it: `_: &P` [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] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:2:24 [INFO] [stdout] | [INFO] [stdout] 2 | #![cfg_attr(test, deny(warnings))] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(anonymous_parameters)]` implied by `#[deny(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: unused label [INFO] [stdout] --> src/lib.rs:202:17 [INFO] [stdout] | [INFO] [stdout] 202 | 'children: loop { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(unused_labels)]` implied by `#[deny(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `ref_slice::ref_slice`: Similar method was added to std and stabilized in rust 1.28.0. Use `core::slice::from_ref` instead. [INFO] [stdout] --> src/lib.rs:113:36 [INFO] [stdout] | [INFO] [stdout] 113 | stack: vec![ref_slice::ref_slice(self).iter()], [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: use of deprecated function `ref_slice::ref_slice`: Similar method was added to std and stabilized in rust 1.28.0. Use `core::slice::from_ref` instead. [INFO] [stdout] --> src/lib.rs:113:36 [INFO] [stdout] | [INFO] [stdout] 113 | stack: vec![ref_slice::ref_slice(self).iter()], [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: unused import: `Region` [INFO] [stdout] --> src/test.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | use {NTree, Region}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ntree` (lib test) due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "4231f6fbb25a564c5757dca7a55b063c893eb2f7f385cda2457fa687306bf0bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4231f6fbb25a564c5757dca7a55b063c893eb2f7f385cda2457fa687306bf0bd", kill_on_drop: false }` [INFO] [stdout] 4231f6fbb25a564c5757dca7a55b063c893eb2f7f385cda2457fa687306bf0bd