[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] testing brunopereira886567/fifo-lifo-israeli-queue against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrunopereira886567%2Ffifo-lifo-israeli-queue" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brunopereira886567/fifo-lifo-israeli-queue on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-12/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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a91ee7bc573be50baa714a389c3139195b78eb5b44e6d1e353d2328d7035425
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1a91ee7bc573be50baa714a389c3139195b78eb5b44e6d1e353d2328d7035425", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a91ee7bc573be50baa714a389c3139195b78eb5b44e6d1e353d2328d7035425", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a91ee7bc573be50baa714a389c3139195b78eb5b44e6d1e353d2328d7035425", kill_on_drop: false }`
[INFO] [stdout] 1a91ee7bc573be50baa714a389c3139195b78eb5b44e6d1e353d2328d7035425
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58ce046f4647cb8a9cd20aa1c4e1aac4209002c2f7696c006f6f6d298d3e9021
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "58ce046f4647cb8a9cd20aa1c4e1aac4209002c2f7696c006f6f6d298d3e9021", kill_on_drop: false }`
[INFO] [stderr]    Compiling israeli-queue v0.1.0
[INFO] [stderr]    Compiling 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] 
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.87s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "58ce046f4647cb8a9cd20aa1c4e1aac4209002c2f7696c006f6f6d298d3e9021", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58ce046f4647cb8a9cd20aa1c4e1aac4209002c2f7696c006f6f6d298d3e9021", kill_on_drop: false }`
[INFO] [stdout] 58ce046f4647cb8a9cd20aa1c4e1aac4209002c2f7696c006f6f6d298d3e9021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0c09fba471fe75c50bfd7354b284c83217c1018f1443d68c08bb45ae00d25701
[INFO] running `Command { std: "docker" "start" "-a" "0c09fba471fe75c50bfd7354b284c83217c1018f1443d68c08bb45ae00d25701", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] 
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "0c09fba471fe75c50bfd7354b284c83217c1018f1443d68c08bb45ae00d25701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c09fba471fe75c50bfd7354b284c83217c1018f1443d68c08bb45ae00d25701", kill_on_drop: false }`
[INFO] [stdout] 0c09fba471fe75c50bfd7354b284c83217c1018f1443d68c08bb45ae00d25701
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e2c21f8a73caad6d1dd5b920339e1bfc751301d2cbf9a750287aa374a1f42728
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e2c21f8a73caad6d1dd5b920339e1bfc751301d2cbf9a750287aa374a1f42728", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/israeliqueue.rs:27:58
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn queue(&mut self, item: I, comparator: Option<&Fn(&I, &I) -> bool>) -> usize {
[INFO] [stderr]    |                                                          ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&I, &I) -> bool`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `iq`
[INFO] [stderr]   --> src/israeliqueue.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |     let iq: IsraeliQueue<i32> = IsraeliQueue::new();
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_iq`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]   --> src/israeliqueue.rs:55:4
[INFO] [stderr]    |
[INFO] [stderr] 55 | fn main(){
[INFO] [stderr]    |    ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lt-b67bc08e2cd3b16f
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e2c21f8a73caad6d1dd5b920339e1bfc751301d2cbf9a750287aa374a1f42728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2c21f8a73caad6d1dd5b920339e1bfc751301d2cbf9a750287aa374a1f42728", kill_on_drop: false }`
[INFO] [stdout] e2c21f8a73caad6d1dd5b920339e1bfc751301d2cbf9a750287aa374a1f42728