[INFO] cloning repository https://github.com/brunopereira886567/fifo-lifo-israeli-queue
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brunopereira886567/fifo-lifo-israeli-queue" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrunopereira886567%2Ffifo-lifo-israeli-queue", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrunopereira886567%2Ffifo-lifo-israeli-queue'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4443fd811e0775ee51816e0f5527036786816a7e
[INFO] checking brunopereira886567/fifo-lifo-israeli-queue against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrunopereira886567%2Ffifo-lifo-israeli-queue" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brunopereira886567/fifo-lifo-israeli-queue on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/brunopereira886567/fifo-lifo-israeli-queue
[INFO] finished tweaking git repo https://github.com/brunopereira886567/fifo-lifo-israeli-queue
[INFO] tweaked toml for git repo https://github.com/brunopereira886567/fifo-lifo-israeli-queue written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/brunopereira886567/fifo-lifo-israeli-queue already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e3291efe4e1271c4478ddfb0b1d701b56ac3df071d906c430023c5684efb915
[INFO] running `Command { std: "docker" "start" "-a" "6e3291efe4e1271c4478ddfb0b1d701b56ac3df071d906c430023c5684efb915", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e3291efe4e1271c4478ddfb0b1d701b56ac3df071d906c430023c5684efb915", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e3291efe4e1271c4478ddfb0b1d701b56ac3df071d906c430023c5684efb915", kill_on_drop: false }`
[INFO] [stdout] 6e3291efe4e1271c4478ddfb0b1d701b56ac3df071d906c430023c5684efb915
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aea5ae16aa15489bef33ba29d5220da8db8d9aebabb3a385d83d9069a99ce159
[INFO] running `Command { std: "docker" "start" "-a" "aea5ae16aa15489bef33ba29d5220da8db8d9aebabb3a385d83d9069a99ce159", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking israeli-queue v0.1.0
[INFO] [stderr]     Checking lt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/israeliqueue.rs:27:58
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn queue(&mut self, item: I, comparator: Option<&Fn(&I, &I) -> bool>) -> usize {
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&I, &I) -> bool`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/israeliqueue.rs:27:58
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn queue(&mut self, item: I, comparator: Option<&Fn(&I, &I) -> bool>) -> usize {
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&I, &I) -> bool`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iq`
[INFO] [stdout]   --> src/israeliqueue.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let iq: IsraeliQueue<i32> = IsraeliQueue::new();
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_iq`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iq`
[INFO] [stdout]   --> src/israeliqueue.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let iq: IsraeliQueue<i32> = IsraeliQueue::new();
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_iq`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]   --> src/israeliqueue.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn main(){
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]   --> src/israeliqueue.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn main(){
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "aea5ae16aa15489bef33ba29d5220da8db8d9aebabb3a385d83d9069a99ce159", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aea5ae16aa15489bef33ba29d5220da8db8d9aebabb3a385d83d9069a99ce159", kill_on_drop: false }`
[INFO] [stdout] aea5ae16aa15489bef33ba29d5220da8db8d9aebabb3a385d83d9069a99ce159