[INFO] updating cached repository menuan/kektracer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/menuan/kektracer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/menuan/kektracer" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/menuan/kektracer"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/menuan/kektracer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/menuan/kektracer" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/menuan/kektracer"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/menuan/kektracer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 840dac2bd650d75abf1d3f41223d33b4fd236306
[INFO] sha for GitHub repo menuan/kektracer: 840dac2bd650d75abf1d3f41223d33b4fd236306
[INFO] validating manifest of menuan/kektracer 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 menuan/kektracer 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 menuan/kektracer
[INFO] finished frobbing menuan/kektracer
[INFO] frobbed toml for menuan/kektracer written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/menuan/kektracer/Cargo.toml
[INFO] started frobbing menuan/kektracer
[INFO] finished frobbing menuan/kektracer
[INFO] frobbed toml for menuan/kektracer written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/menuan/kektracer/Cargo.toml
[INFO] crate menuan/kektracer 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking menuan/kektracer against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-6/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/menuan/kektracer:/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] 0b8809e19be68e1d372dce78a095ca747f2275ab6da23145f20abf301cc492cf
[INFO] running `"docker" "start" "-a" "0b8809e19be68e1d372dce78a095ca747f2275ab6da23145f20abf301cc492cf"`
[INFO] [stderr]     Checking getrandom v0.1.6
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking rayon-core v1.5.0
[INFO] [stderr]     Checking rand_chacha v0.2.0
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking raytracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:480:29
[INFO] [stderr]     |
[INFO] [stderr] 480 | fn main() -> Result<(), Box<Error>> {
[INFO] [stderr]     |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_mut`
[INFO] [stderr]   --> src/main.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn get_mut(&mut self, x: usize, y: usize) -> Option<&mut u32> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:480:29
[INFO] [stderr]     |
[INFO] [stderr] 480 | fn main() -> Result<(), Box<Error>> {
[INFO] [stderr]     |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_mut`
[INFO] [stderr]   --> src/main.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn get_mut(&mut self, x: usize, y: usize) -> Option<&mut u32> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.27s
[INFO] running `"docker" "inspect" "0b8809e19be68e1d372dce78a095ca747f2275ab6da23145f20abf301cc492cf"`
[INFO] running `"docker" "rm" "-f" "0b8809e19be68e1d372dce78a095ca747f2275ab6da23145f20abf301cc492cf"`
[INFO] [stdout] 0b8809e19be68e1d372dce78a095ca747f2275ab6da23145f20abf301cc492cf