[INFO] fetching crate uq 0.1.2...
[INFO] checking uq-0.1.2 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate uq 0.1.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate uq 0.1.2 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0d1a50cc9d9154e0a3bd38d10e5b1f888dacfebb1979949880ffcf126fd3c13
[INFO] running `Command { std: "docker" "start" "-a" "b0d1a50cc9d9154e0a3bd38d10e5b1f888dacfebb1979949880ffcf126fd3c13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0d1a50cc9d9154e0a3bd38d10e5b1f888dacfebb1979949880ffcf126fd3c13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0d1a50cc9d9154e0a3bd38d10e5b1f888dacfebb1979949880ffcf126fd3c13", kill_on_drop: false }`
[INFO] [stdout] b0d1a50cc9d9154e0a3bd38d10e5b1f888dacfebb1979949880ffcf126fd3c13
[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=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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abb8aaba35f3945dc1e22e0baf538b8e98980d3ff20dc95c0a585501ecc2e770
[INFO] running `Command { std: "docker" "start" "-a" "abb8aaba35f3945dc1e22e0baf538b8e98980d3ff20dc95c0a585501ecc2e770", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[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 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/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 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/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 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/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 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/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 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/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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 4.08s
[INFO] running `Command { std: "docker" "inspect" "abb8aaba35f3945dc1e22e0baf538b8e98980d3ff20dc95c0a585501ecc2e770", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abb8aaba35f3945dc1e22e0baf538b8e98980d3ff20dc95c0a585501ecc2e770", kill_on_drop: false }`
[INFO] [stdout] abb8aaba35f3945dc1e22e0baf538b8e98980d3ff20dc95c0a585501ecc2e770