[INFO] crate pew 0.2.3 is already in cache
[INFO] extracting crate pew 0.2.3 into work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/pew/0.2.3
[INFO] extracting crate pew 0.2.3 into work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/pew/0.2.3
[INFO] validating manifest of pew-0.2.3 on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of pew-0.2.3 on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing pew-0.2.3
[INFO] finished frobbing pew-0.2.3
[INFO] frobbed toml for pew-0.2.3 written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/pew/0.2.3/Cargo.toml
[INFO] started frobbing pew-0.2.3
[INFO] finished frobbing pew-0.2.3
[INFO] frobbed toml for pew-0.2.3 written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/pew/0.2.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking pew-0.2.3 against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-1/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/pew/0.2.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c98946f90b34b43944dab2ad416cd88e6d47b202a9ce3208ff003cf3ab9b1d3f
[INFO] running `"docker" "start" "-a" "c98946f90b34b43944dab2ad416cd88e6d47b202a9ce3208ff003cf3ab9b1d3f"`
[INFO] [stderr]     Checking pew v0.2.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/benchmark.rs:17:43
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn compose<T: 'static, U: 'static>(f: Box<Fn(u64) -> T>, g: fn(T) -> U) -> Box<Fn(u64) -> U> {
[INFO] [stderr]    |                                           ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u64) -> T`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/benchmark.rs:17:80
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn compose<T: 'static, U: 'static>(f: Box<Fn(u64) -> T>, g: fn(T) -> U) -> Box<Fn(u64) -> U> {
[INFO] [stderr]    |                                                                                ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u64) -> U`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/benchmark.rs:88:20
[INFO] [stderr]    |
[INFO] [stderr] 88 |     generator: Box<Fn(u64) -> T>,
[INFO] [stderr]    |                    ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u64) -> T`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/benchmark.rs:17:43
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn compose<T: 'static, U: 'static>(f: Box<Fn(u64) -> T>, g: fn(T) -> U) -> Box<Fn(u64) -> U> {
[INFO] [stderr]    |                                           ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u64) -> T`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/benchmark.rs:17:80
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn compose<T: 'static, U: 'static>(f: Box<Fn(u64) -> T>, g: fn(T) -> U) -> Box<Fn(u64) -> U> {
[INFO] [stderr]    |                                                                                ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u64) -> U`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/benchmark.rs:88:20
[INFO] [stderr]    |
[INFO] [stderr] 88 |     generator: Box<Fn(u64) -> T>,
[INFO] [stderr]    |                    ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u64) -> T`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.44s
[INFO] running `"docker" "inspect" "c98946f90b34b43944dab2ad416cd88e6d47b202a9ce3208ff003cf3ab9b1d3f"`
[INFO] running `"docker" "rm" "-f" "c98946f90b34b43944dab2ad416cd88e6d47b202a9ce3208ff003cf3ab9b1d3f"`
[INFO] [stdout] c98946f90b34b43944dab2ad416cd88e6d47b202a9ce3208ff003cf3ab9b1d3f