[INFO] fetching crate israeli-queue 0.1.0...
[INFO] testing israeli-queue-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate israeli-queue 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate israeli-queue 0.1.0 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 crates.io crate israeli-queue 0.1.0
[INFO] finished tweaking crates.io crate israeli-queue 0.1.0
[INFO] tweaked toml for crates.io crate israeli-queue 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d701a22dbc3bcdd5e3fad55c89e1b23b3a39f445fb5d182bb873cdf170ccf2ac
[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" "d701a22dbc3bcdd5e3fad55c89e1b23b3a39f445fb5d182bb873cdf170ccf2ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d701a22dbc3bcdd5e3fad55c89e1b23b3a39f445fb5d182bb873cdf170ccf2ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d701a22dbc3bcdd5e3fad55c89e1b23b3a39f445fb5d182bb873cdf170ccf2ac", kill_on_drop: false }`
[INFO] [stdout] d701a22dbc3bcdd5e3fad55c89e1b23b3a39f445fb5d182bb873cdf170ccf2ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e096c69af99d8cbb9a6967575a7cef3a537889a64a4ab687685c70b85f21009e
[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" "e096c69af99d8cbb9a6967575a7cef3a537889a64a4ab687685c70b85f21009e", kill_on_drop: false }`
[INFO] [stderr]    Compiling israeli-queue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/israeliqueue.rs:22:58
[INFO] [stdout]    |
[INFO] [stdout] 22 |     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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "e096c69af99d8cbb9a6967575a7cef3a537889a64a4ab687685c70b85f21009e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e096c69af99d8cbb9a6967575a7cef3a537889a64a4ab687685c70b85f21009e", kill_on_drop: false }`
[INFO] [stdout] e096c69af99d8cbb9a6967575a7cef3a537889a64a4ab687685c70b85f21009e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c4fec390d81120407f95de4d89a987431fe7f0b7bd4dabc9fbe3087230fb34c
[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" "7c4fec390d81120407f95de4d89a987431fe7f0b7bd4dabc9fbe3087230fb34c", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/israeliqueue.rs:22:58
[INFO] [stdout]    |
[INFO] [stdout] 22 |     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] [stderr]    Compiling israeli-queue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/israeliqueue.rs:22:58
[INFO] [stdout]    |
[INFO] [stdout] 22 |     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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7c4fec390d81120407f95de4d89a987431fe7f0b7bd4dabc9fbe3087230fb34c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c4fec390d81120407f95de4d89a987431fe7f0b7bd4dabc9fbe3087230fb34c", kill_on_drop: false }`
[INFO] [stdout] 7c4fec390d81120407f95de4d89a987431fe7f0b7bd4dabc9fbe3087230fb34c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", 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] 0f7532e5e6fa4cd8e07a0d57c6af74d61a7776eef66f63c414b38b98c037d182
[INFO] running `Command { std: "docker" "start" "-a" "0f7532e5e6fa4cd8e07a0d57c6af74d61a7776eef66f63c414b38b98c037d182", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/israeliqueue.rs:22:58
[INFO] [stderr]    |
[INFO] [stderr] 22 |     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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] running 2 tests
[INFO] [stderr]   --> src/israeliqueue.rs:22:58
[INFO] [stdout] test tests::queue_dequeue ... ok
[INFO] [stderr]    |
[INFO] [stdout] test tests::init ... ok
[INFO] [stderr] 22 |     pub fn queue(&mut self, item: I, comparator: Option<&Fn(&I, &I) -> bool>) -> usize {
[INFO] [stdout] 
[INFO] [stderr]    |                                                          ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&I, &I) -> bool`
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/israeli_queue-a3e007b331477bde
[INFO] [stderr]    Doc-tests israeli-queue
[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" "0f7532e5e6fa4cd8e07a0d57c6af74d61a7776eef66f63c414b38b98c037d182", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f7532e5e6fa4cd8e07a0d57c6af74d61a7776eef66f63c414b38b98c037d182", kill_on_drop: false }`
[INFO] [stdout] 0f7532e5e6fa4cd8e07a0d57c6af74d61a7776eef66f63c414b38b98c037d182