[INFO] fetching crate map_reduce_omri 0.1.2...
[INFO] checking map_reduce_omri-0.1.2 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate map_reduce_omri 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate map_reduce_omri 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 map_reduce_omri 0.1.2
[INFO] finished tweaking crates.io crate map_reduce_omri 0.1.2
[INFO] tweaked toml for crates.io crate map_reduce_omri 0.1.2 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 229038f04e85444bd06979af8a7b5ae6ecdeed26dc5d8c5f3e055cfacbc04c1a
[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" "229038f04e85444bd06979af8a7b5ae6ecdeed26dc5d8c5f3e055cfacbc04c1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "229038f04e85444bd06979af8a7b5ae6ecdeed26dc5d8c5f3e055cfacbc04c1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "229038f04e85444bd06979af8a7b5ae6ecdeed26dc5d8c5f3e055cfacbc04c1a", kill_on_drop: false }`
[INFO] [stdout] 229038f04e85444bd06979af8a7b5ae6ecdeed26dc5d8c5f3e055cfacbc04c1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] baef1cbac96d5da918cdb2cab77014de6f6d390da55a7c789d06302443f7dd14
[INFO] running `Command { std: "docker" "start" "-a" "baef1cbac96d5da918cdb2cab77014de6f6d390da55a7c789d06302443f7dd14", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking simplelog v0.5.3
[INFO] [stderr]     Checking map_reduce_omri v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:28:84
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn run_map_reduce_framework<K1, V1, K2, V2, K3, V3>(map: fn(K1, V1, emit: &mut FnMut(K2, V2)),
[INFO] [stdout]    |                                                                                    ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(K2, V2)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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/lib.rs:29:88
[INFO] [stdout]    |
[INFO] [stdout] 29 | ...                   reduce: fn(K2, Vec<V2>, emit: &mut FnMut(K3, V3)),
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(K3, V3)`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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/lib.rs:59:70
[INFO] [stdout]    |
[INFO] [stdout] 59 | ...                   reduce: fn(K2, Vec<V2>, emit: &mut FnMut(K3, V3)),
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(K3, V3)`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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/lib.rs:108:59
[INFO] [stdout]     |
[INFO] [stdout] 108 | fn execute_map<K1, V1, K2, V2>(map: fn(K1, V1, emit: &mut FnMut(K2, V2)),
[INFO] [stdout]     |                                                           ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(K2, V2)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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/lib.rs:198:67
[INFO] [stdout]     |
[INFO] [stdout] 198 | fn map_worker_function<K1, V1, K2, V2>(map: fn(K1, V1, emit: &mut FnMut(K2, V2)),
[INFO] [stdout]     |                                                                   ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(K2, V2)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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/lib.rs:232:78
[INFO] [stdout]     |
[INFO] [stdout] 232 | fn reduce_worker_function<K2, V2, K3, V3>(reduce: fn(K2, Vec<V2>, emit: &mut FnMut(K3, V3)),
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(K3, V3)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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/lib.rs:28:84
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn run_map_reduce_framework<K1, V1, K2, V2, K3, V3>(map: fn(K1, V1, emit: &mut FnMut(K2, V2)),
[INFO] [stdout]    |                                                                                    ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(K2, V2)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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/lib.rs:29:88
[INFO] [stdout]    |
[INFO] [stdout] 29 | ...                   reduce: fn(K2, Vec<V2>, emit: &mut FnMut(K3, V3)),
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(K3, V3)`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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/lib.rs:59:70
[INFO] [stdout]    |
[INFO] [stdout] 59 | ...                   reduce: fn(K2, Vec<V2>, emit: &mut FnMut(K3, V3)),
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(K3, V3)`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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/lib.rs:108:59
[INFO] [stdout]     |
[INFO] [stdout] 108 | fn execute_map<K1, V1, K2, V2>(map: fn(K1, V1, emit: &mut FnMut(K2, V2)),
[INFO] [stdout]     |                                                           ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(K2, V2)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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/lib.rs:198:67
[INFO] [stdout]     |
[INFO] [stdout] 198 | fn map_worker_function<K1, V1, K2, V2>(map: fn(K1, V1, emit: &mut FnMut(K2, V2)),
[INFO] [stdout]     |                                                                   ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(K2, V2)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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/lib.rs:232:78
[INFO] [stdout]     |
[INFO] [stdout] 232 | fn reduce_worker_function<K2, V2, K3, V3>(reduce: fn(K2, Vec<V2>, emit: &mut FnMut(K3, V3)),
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(K3, V3)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.84s
[INFO] running `Command { std: "docker" "inspect" "baef1cbac96d5da918cdb2cab77014de6f6d390da55a7c789d06302443f7dd14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baef1cbac96d5da918cdb2cab77014de6f6d390da55a7c789d06302443f7dd14", kill_on_drop: false }`
[INFO] [stdout] baef1cbac96d5da918cdb2cab77014de6f6d390da55a7c789d06302443f7dd14