[INFO] fetching crate uq 0.1.2...
[INFO] checking uq-0.1.2 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate uq 0.1.2 into /workspace/builds/worker-112/source
[INFO] validating manifest of crates.io crate uq 0.1.2 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uq 0.1.2
[INFO] finished tweaking crates.io crate uq 0.1.2
[INFO] tweaked toml for crates.io crate uq 0.1.2 written to /workspace/builds/worker-112/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b47c31f855afe8c7ad3ac97add939d28f60913892fb464ce0b253ac5585f574c
[INFO] running `Command { std: "docker" "start" "-a" "b47c31f855afe8c7ad3ac97add939d28f60913892fb464ce0b253ac5585f574c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b47c31f855afe8c7ad3ac97add939d28f60913892fb464ce0b253ac5585f574c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b47c31f855afe8c7ad3ac97add939d28f60913892fb464ce0b253ac5585f574c", kill_on_drop: false }`
[INFO] [stdout] b47c31f855afe8c7ad3ac97add939d28f60913892fb464ce0b253ac5585f574c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7287199ee5c7438b38f88bdc94478b8d344cd7eaa92db17e0844b8c36d1d4b09
[INFO] running `Command { std: "docker" "start" "-a" "7287199ee5c7438b38f88bdc94478b8d344cd7eaa92db17e0844b8c36d1d4b09", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking uq v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:26:27
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn unique_filter() -> Box<FnMut(&String) -> bool> {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&String) -> bool`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:32:51
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn unique_filter_with_cap(capacity: usize) -> Box<FnMut(&String) -> bool> {
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&String) -> bool`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:46:56
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn unique_filter_with_override(capacity: usize) -> Box<FnMut(&String) -> bool> {
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&String) -> bool`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:26:27
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn unique_filter() -> Box<FnMut(&String) -> bool> {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&String) -> bool`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:32:51
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn unique_filter_with_cap(capacity: usize) -> Box<FnMut(&String) -> bool> {
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&String) -> bool`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:46:56
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn unique_filter_with_override(capacity: usize) -> Box<FnMut(&String) -> bool> {
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&String) -> bool`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 12.27s
[INFO] running `Command { std: "docker" "inspect" "7287199ee5c7438b38f88bdc94478b8d344cd7eaa92db17e0844b8c36d1d4b09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7287199ee5c7438b38f88bdc94478b8d344cd7eaa92db17e0844b8c36d1d4b09", kill_on_drop: false }`
[INFO] [stdout] 7287199ee5c7438b38f88bdc94478b8d344cd7eaa92db17e0844b8c36d1d4b09