[INFO] fetching crate tange-collection 0.1.2...
[INFO] testing tange-collection-0.1.2 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate tange-collection 0.1.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate tange-collection 0.1.2 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tange-collection 0.1.2
[INFO] finished tweaking crates.io crate tange-collection 0.1.2
[INFO] tweaked toml for crates.io crate tange-collection 0.1.2 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5cea72040e7209d1c38153d38d01f4355f71a370eb6acedba4a150a33cbd3c05
[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" "5cea72040e7209d1c38153d38d01f4355f71a370eb6acedba4a150a33cbd3c05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cea72040e7209d1c38153d38d01f4355f71a370eb6acedba4a150a33cbd3c05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cea72040e7209d1c38153d38d01f4355f71a370eb6acedba4a150a33cbd3c05", kill_on_drop: false }`
[INFO] [stdout] 5cea72040e7209d1c38153d38d01f4355f71a370eb6acedba4a150a33cbd3c05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ab1404e6885b729a3812f994865e1a18011f13ac1274a572534a6b11bc21495
[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" "4ab1404e6885b729a3812f994865e1a18011f13ac1274a572534a6b11bc21495", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling indexmap v0.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling jobpool v0.3.8
[INFO] [stderr]    Compiling snap v0.2.5
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling priority-queue v0.5.4
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling tange v0.1.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling tange-collection v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/collection/memory.rs:169:56
[INFO] [stdout]     |
[INFO] [stdout] 169 |         F: 'static + Sync + Send + Clone + Fn(&A, &mut FnMut(B) -> ())
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(B) -> ()`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/collection/memory.rs:197:56
[INFO] [stdout]     |
[INFO] [stdout] 197 |         F: 'static + Sync + Send + Clone + Fn(&A, &mut FnMut(B) -> ())
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(B) -> ()`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/collection/disk.rs:199:56
[INFO] [stdout]     |
[INFO] [stdout] 199 |         F: 'static + Sync + Send + Clone + Fn(&A, &mut FnMut(B) -> ())
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(B) -> ()`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/collection/mod.rs:18:52
[INFO] [stdout]    |
[INFO] [stdout] 18 |     F: 'static + Sync + Send + Clone + Fn(&A, &mut FnMut(B) -> ()),
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(B) -> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.11s
[INFO] running `Command { std: "docker" "inspect" "4ab1404e6885b729a3812f994865e1a18011f13ac1274a572534a6b11bc21495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ab1404e6885b729a3812f994865e1a18011f13ac1274a572534a6b11bc21495", kill_on_drop: false }`
[INFO] [stdout] 4ab1404e6885b729a3812f994865e1a18011f13ac1274a572534a6b11bc21495
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9dc2c8dfc95e008b0c87818405bac00818b2f5355664af4d8e8e62900b42e1b2
[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" "9dc2c8dfc95e008b0c87818405bac00818b2f5355664af4d8e8e62900b42e1b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling tange-collection v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/collection/memory.rs:169:56
[INFO] [stdout]     |
[INFO] [stdout] 169 |         F: 'static + Sync + Send + Clone + Fn(&A, &mut FnMut(B) -> ())
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(B) -> ()`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/collection/memory.rs:197:56
[INFO] [stdout]     |
[INFO] [stdout] 197 |         F: 'static + Sync + Send + Clone + Fn(&A, &mut FnMut(B) -> ())
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(B) -> ()`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/collection/disk.rs:199:56
[INFO] [stdout]     |
[INFO] [stdout] 199 |         F: 'static + Sync + Send + Clone + Fn(&A, &mut FnMut(B) -> ())
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(B) -> ()`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/collection/mod.rs:18:52
[INFO] [stdout]    |
[INFO] [stdout] 18 |     F: 'static + Sync + Send + Clone + Fn(&A, &mut FnMut(B) -> ()),
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(B) -> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/collection/memory.rs:169:56
[INFO] [stdout]     |
[INFO] [stdout] 169 |         F: 'static + Sync + Send + Clone + Fn(&A, &mut FnMut(B) -> ())
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(B) -> ()`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/collection/memory.rs:197:56
[INFO] [stdout]     |
[INFO] [stdout] 197 |         F: 'static + Sync + Send + Clone + Fn(&A, &mut FnMut(B) -> ())
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(B) -> ()`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/collection/disk.rs:199:56
[INFO] [stdout]     |
[INFO] [stdout] 199 |         F: 'static + Sync + Send + Clone + Fn(&A, &mut FnMut(B) -> ())
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(B) -> ()`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/collection/mod.rs:18:52
[INFO] [stdout]    |
[INFO] [stdout] 18 |     F: 'static + Sync + Send + Clone + Fn(&A, &mut FnMut(B) -> ()),
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(B) -> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.79s
[INFO] running `Command { std: "docker" "inspect" "9dc2c8dfc95e008b0c87818405bac00818b2f5355664af4d8e8e62900b42e1b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dc2c8dfc95e008b0c87818405bac00818b2f5355664af4d8e8e62900b42e1b2", kill_on_drop: false }`
[INFO] [stdout] 9dc2c8dfc95e008b0c87818405bac00818b2f5355664af4d8e8e62900b42e1b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bd3232527c8c8a97c061d868b0e113a2b5db6d456752399965de20a316583ff9
[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" "bd3232527c8c8a97c061d868b0e113a2b5db6d456752399965de20a316583ff9", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] running 16 tests
[INFO] [stderr]    --> src/collection/memory.rs:169:56
[INFO] [stderr]     |
[INFO] [stderr] 169 |         F: 'static + Sync + Send + Clone + Fn(&A, &mut FnMut(B) -> ())
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(B) -> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/collection/memory.rs:197:56
[INFO] [stderr]     |
[INFO] [stderr] 197 |         F: 'static + Sync + Send + Clone + Fn(&A, &mut FnMut(B) -> ())
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(B) -> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/collection/disk.rs:199:56
[INFO] [stderr]     |
[INFO] [stderr] 199 |         F: 'static + Sync + Send + Clone + Fn(&A, &mut FnMut(B) -> ())
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(B) -> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collection/mod.rs:18:52
[INFO] [stderr]    |
[INFO] [stderr] 18 |     F: 'static + Sync + Send + Clone + Fn(&A, &mut FnMut(B) -> ()),
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(B) -> ()`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/collection/memory.rs:169:56
[INFO] [stderr]     |
[INFO] [stderr] 169 |         F: 'static + Sync + Send + Clone + Fn(&A, &mut FnMut(B) -> ())
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(B) -> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/collection/memory.rs:197:56
[INFO] [stderr]     |
[INFO] [stderr] 197 |         F: 'static + Sync + Send + Clone + Fn(&A, &mut FnMut(B) -> ())
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(B) -> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/collection/disk.rs:199:56
[INFO] [stderr]     |
[INFO] [stderr] 199 |         F: 'static + Sync + Send + Clone + Fn(&A, &mut FnMut(B) -> ())
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(B) -> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collection/mod.rs:18:52
[INFO] [stderr]    |
[INFO] [stderr] 18 |     F: 'static + Sync + Send + Clone + Fn(&A, &mut FnMut(B) -> ()),
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(B) -> ()`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tange_collection-5bf3c6145a87bb19)
[INFO] [stdout] test collection::memory::test_lib::test_sort ... ok
[INFO] [stdout] test collection::disk::test_lib::test_sort ... ok
[INFO] [stdout] test collection::memory::test_lib::test_fold_by ... ok
[INFO] [stdout] test collection::memory::test_lib::test_emit ... ok
[INFO] [stdout] test collection::memory::test_lib::test_partition_by_key ... ok
[INFO] [stdout] test collection::memory::test_lib::test_fold_by_parts ... ok
[INFO] [stdout] test collection::disk::test_lib::test_emit ... ok
[INFO] [stdout] test collection::memory::test_lib::test_partition ... ok
[INFO] [stdout] test collection::disk::test_lib::test_fold_by ... ok
[INFO] [stdout] test collection::disk::test_lib::test_partition_by_key ... ok
[INFO] [stdout] test collection::disk::test_lib::test_partition ... ok
[INFO] [stdout] test collection::disk::test_lib::test_count ... ok
[INFO] [stdout] test collection::memory::test_lib::test_count ... ok
[INFO] [stdout] test collection::disk::test_lib::test_fold_by_parts ... ok
[INFO] [stdout] test collection::memory::test_lib::test_join ... ok
[INFO] [stdout] test collection::disk::test_lib::test_join ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.33s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tange_collection
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name tange_collection --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bincode=/opt/rustwide/target/debug/deps/libbincode-04ce18db15988e18.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-cf3c707e87a3eee3.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-9a0b5b6d517518ab.so --extern snap=/opt/rustwide/target/debug/deps/libsnap-1d20f088045976e3.rlib --extern tange=/opt/rustwide/target/debug/deps/libtange-e214493472153d6a.rlib --extern tange_collection=/opt/rustwide/target/debug/deps/libtange_collection-b3869f22e37140a9.rlib --extern uuid=/opt/rustwide/target/debug/deps/libuuid-779977383aecb125.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "bd3232527c8c8a97c061d868b0e113a2b5db6d456752399965de20a316583ff9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd3232527c8c8a97c061d868b0e113a2b5db6d456752399965de20a316583ff9", kill_on_drop: false }`
[INFO] [stdout] bd3232527c8c8a97c061d868b0e113a2b5db6d456752399965de20a316583ff9