[INFO] fetching crate map_reduce_omri 0.1.2...
[INFO] checking map_reduce_omri-0.1.2 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate map_reduce_omri 0.1.2 into /workspace/builds/worker-24/source
[INFO] validating manifest of crates.io crate map_reduce_omri 0.1.2 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-24/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01164513ad0edc3ce597c30ca5ff64dc1a0ae18da63b1708ffb96b87ee249de3
[INFO] running `Command { std: "docker" "start" "-a" "01164513ad0edc3ce597c30ca5ff64dc1a0ae18da63b1708ffb96b87ee249de3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01164513ad0edc3ce597c30ca5ff64dc1a0ae18da63b1708ffb96b87ee249de3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01164513ad0edc3ce597c30ca5ff64dc1a0ae18da63b1708ffb96b87ee249de3", kill_on_drop: false }`
[INFO] [stdout] 01164513ad0edc3ce597c30ca5ff64dc1a0ae18da63b1708ffb96b87ee249de3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 867c47075be4857f6da7cace482119c192f1ce753a7fe739e39f016cc149d154
[INFO] running `Command { std: "docker" "start" "-a" "867c47075be4857f6da7cace482119c192f1ce753a7fe739e39f016cc149d154", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking byteorder v1.4.3
[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 <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/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 <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/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 <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/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 <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/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 <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/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 <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/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 <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/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 <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/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 <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/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 <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/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 <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/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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 4.13s
[INFO] running `Command { std: "docker" "inspect" "867c47075be4857f6da7cace482119c192f1ce753a7fe739e39f016cc149d154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "867c47075be4857f6da7cace482119c192f1ce753a7fe739e39f016cc149d154", kill_on_drop: false }`
[INFO] [stdout] 867c47075be4857f6da7cace482119c192f1ce753a7fe739e39f016cc149d154