[INFO] updating cached repository uberblah/rust-simple-regression-example
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/uberblah/rust-simple-regression-example
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/uberblah/rust-simple-regression-example" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/uberblah/rust-simple-regression-example"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/uberblah/rust-simple-regression-example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/uberblah/rust-simple-regression-example" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/uberblah/rust-simple-regression-example"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/uberblah/rust-simple-regression-example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c2d6b864f0800c8894355f594fa5590400759193
[INFO] sha for GitHub repo uberblah/rust-simple-regression-example: c2d6b864f0800c8894355f594fa5590400759193
[INFO] validating manifest of uberblah/rust-simple-regression-example on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of uberblah/rust-simple-regression-example on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing uberblah/rust-simple-regression-example
[INFO] finished frobbing uberblah/rust-simple-regression-example
[INFO] frobbed toml for uberblah/rust-simple-regression-example written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/uberblah/rust-simple-regression-example/Cargo.toml
[INFO] started frobbing uberblah/rust-simple-regression-example
[INFO] finished frobbing uberblah/rust-simple-regression-example
[INFO] frobbed toml for uberblah/rust-simple-regression-example written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/uberblah/rust-simple-regression-example/Cargo.toml
[INFO] crate uberblah/rust-simple-regression-example already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking uberblah/rust-simple-regression-example against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-2/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/uberblah/rust-simple-regression-example:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c8b304e721f8c496efb648815cea08925cc7a40f986a09b5edb23f51ad9ed97d
[INFO] running `"docker" "start" "-a" "c8b304e721f8c496efb648815cea08925cc7a40f986a09b5edb23f51ad9ed97d"`
[INFO] [stderr]     Checking rustreg v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:11:24
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn make_noise() -> Box<FnMut() -> f64> {
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> f64`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:11:24
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn make_noise() -> Box<FnMut() -> f64> {
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> f64`
[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/main.rs:16:15
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn mse(h: Box<Fn(f64) -> f64>, data: &Vec<(f64, f64)>) -> f64 {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr] 
[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/main.rs:16:15
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn mse(h: Box<Fn(f64) -> f64>, data: &Vec<(f64, f64)>) -> f64 {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `"docker" "inspect" "c8b304e721f8c496efb648815cea08925cc7a40f986a09b5edb23f51ad9ed97d"`
[INFO] running `"docker" "rm" "-f" "c8b304e721f8c496efb648815cea08925cc7a40f986a09b5edb23f51ad9ed97d"`
[INFO] [stdout] c8b304e721f8c496efb648815cea08925cc7a40f986a09b5edb23f51ad9ed97d