[INFO] updating cached repository LennyBoyatzis/snake-in-rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/LennyBoyatzis/snake-in-rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/LennyBoyatzis/snake-in-rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/LennyBoyatzis/snake-in-rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/LennyBoyatzis/snake-in-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/LennyBoyatzis/snake-in-rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/LennyBoyatzis/snake-in-rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/LennyBoyatzis/snake-in-rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] ef4b7859478b959546eb4eedf5f0cc264ca3dbd2 [INFO] sha for GitHub repo LennyBoyatzis/snake-in-rust: ef4b7859478b959546eb4eedf5f0cc264ca3dbd2 [INFO] validating manifest of LennyBoyatzis/snake-in-rust on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of LennyBoyatzis/snake-in-rust on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing LennyBoyatzis/snake-in-rust [INFO] finished frobbing LennyBoyatzis/snake-in-rust [INFO] frobbed toml for LennyBoyatzis/snake-in-rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/LennyBoyatzis/snake-in-rust/Cargo.toml [INFO] started frobbing LennyBoyatzis/snake-in-rust [INFO] finished frobbing LennyBoyatzis/snake-in-rust [INFO] frobbed toml for LennyBoyatzis/snake-in-rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/LennyBoyatzis/snake-in-rust/Cargo.toml [INFO] crate LennyBoyatzis/snake-in-rust already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing LennyBoyatzis/snake-in-rust against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/LennyBoyatzis/snake-in-rust:/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=warn" "-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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 757b310b07ed452ea02ca87b0600d433f374856e4bc4d3e725a4d7b23f7da758 [INFO] running `"docker" "start" "-a" "757b310b07ed452ea02ca87b0600d433f374856e4bc4d3e725a4d7b23f7da758"` [INFO] [stderr] Compiling serde_json v0.9.10 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Compiling tempfile v2.2.0 [INFO] [stderr] Compiling num-rational v0.1.41 [INFO] [stderr] Compiling rusttype v0.2.3 [INFO] [stderr] Compiling gl_generator v0.7.0 [INFO] [stderr] Compiling gl_generator v0.6.1 [INFO] [stderr] Compiling gfx_core v0.8.2 [INFO] [stderr] Compiling x11-dl v2.17.2 [INFO] [stderr] Compiling fs2 v0.2.5 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Compiling memmap v0.4.0 [INFO] [stderr] Compiling image v0.18.0 [INFO] [stderr] warning[E0311]: the parameter type `K` may not live long enough [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.3/src/support/bst/map.rs:81:19 [INFO] [stderr] | [INFO] [stderr] 81 | match node.force() { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = help: consider adding an explicit lifetime bound for `K` [INFO] [stderr] note: the parameter type `K` must be valid for the anonymous lifetime #1 defined on the function body at 77:9... [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.3/src/support/bst/map.rs:77:9 [INFO] [stderr] | [INFO] [stderr] 77 | / fn clone_subtree( [INFO] [stderr] 78 | | node: node::NodeRef) [INFO] [stderr] 79 | | -> BTreeMap { [INFO] [stderr] 80 | | [INFO] [stderr] ... | [INFO] [stderr] 136| | } [INFO] [stderr] 137| | } [INFO] [stderr] | |_________^ [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] [INFO] [stderr] warning[E0311]: the parameter type `V` may not live long enough [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.3/src/support/bst/map.rs:81:19 [INFO] [stderr] | [INFO] [stderr] 81 | match node.force() { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = help: consider adding an explicit lifetime bound for `V` [INFO] [stderr] note: the parameter type `V` must be valid for the anonymous lifetime #1 defined on the function body at 77:9... [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.3/src/support/bst/map.rs:77:9 [INFO] [stderr] | [INFO] [stderr] 77 | / fn clone_subtree( [INFO] [stderr] 78 | | node: node::NodeRef) [INFO] [stderr] 79 | | -> BTreeMap { [INFO] [stderr] 80 | | [INFO] [stderr] ... | [INFO] [stderr] 136| | } [INFO] [stderr] 137| | } [INFO] [stderr] | |_________^ [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] [INFO] [stderr] Compiling target_build_utils v0.3.1 [INFO] [stderr] Compiling pistoncore-window v0.30.0 [INFO] [stderr] Compiling gfx_gl v0.4.0 [INFO] [stderr] Compiling gl v0.7.0 [INFO] [stderr] Compiling glutin v0.10.1 [INFO] [stderr] Compiling piston2d-graphics v0.24.0 [INFO] [stderr] Compiling pistoncore-event_loop v0.35.0 [INFO] [stderr] Compiling piston v0.35.0 [INFO] [stderr] Compiling libloading v0.3.4 [INFO] [stderr] Compiling dlib v0.3.1 [INFO] [stderr] Compiling wayland-sys v0.9.10 [INFO] [stderr] Compiling wayland-client v0.9.10 [INFO] [stderr] Compiling wayland-protocols v0.9.10 [INFO] [stderr] Compiling wayland-kbd v0.9.1 [INFO] [stderr] Compiling wayland-window v0.8.0 [INFO] [stderr] Compiling winit v0.8.3 [INFO] [stderr] Compiling gfx v0.17.1 [INFO] [stderr] Compiling gfx_device_gl v0.15.0 [INFO] [stderr] Compiling pistoncore-glutin_window v0.43.0 [INFO] [stderr] Compiling piston-gfx_texture v0.31.0 [INFO] [stderr] Compiling piston2d-gfx_graphics v0.48.0 [INFO] [stderr] Compiling piston_window v0.75.0 [INFO] [stderr] Compiling snake-in-rust v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 56s [INFO] running `"docker" "inspect" "757b310b07ed452ea02ca87b0600d433f374856e4bc4d3e725a4d7b23f7da758"` [INFO] running `"docker" "rm" "-f" "757b310b07ed452ea02ca87b0600d433f374856e4bc4d3e725a4d7b23f7da758"` [INFO] [stdout] 757b310b07ed452ea02ca87b0600d433f374856e4bc4d3e725a4d7b23f7da758 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/LennyBoyatzis/snake-in-rust:/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 24e61224e9e146e54a030692a69cb7b07569cb86d24893ae74757f8210799c01 [INFO] running `"docker" "start" "-a" "24e61224e9e146e54a030692a69cb7b07569cb86d24893ae74757f8210799c01"` [INFO] [stderr] Compiling snake-in-rust v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.92s [INFO] running `"docker" "inspect" "24e61224e9e146e54a030692a69cb7b07569cb86d24893ae74757f8210799c01"` [INFO] running `"docker" "rm" "-f" "24e61224e9e146e54a030692a69cb7b07569cb86d24893ae74757f8210799c01"` [INFO] [stdout] 24e61224e9e146e54a030692a69cb7b07569cb86d24893ae74757f8210799c01 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/LennyBoyatzis/snake-in-rust:/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=warn" "-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" "+1.36.0" "test" "--frozen"` [INFO] [stdout] b8cc185ae2bdd19397bc06ff8e084e2010e42999ca6b53b83ce00aa1fef724a2 [INFO] running `"docker" "start" "-a" "b8cc185ae2bdd19397bc06ff8e084e2010e42999ca6b53b83ce00aa1fef724a2"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.00s [INFO] [stderr] Running /opt/crater/target/debug/deps/snake_in_rust-6136657c55764a9d [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "b8cc185ae2bdd19397bc06ff8e084e2010e42999ca6b53b83ce00aa1fef724a2"` [INFO] running `"docker" "rm" "-f" "b8cc185ae2bdd19397bc06ff8e084e2010e42999ca6b53b83ce00aa1fef724a2"` [INFO] [stdout] b8cc185ae2bdd19397bc06ff8e084e2010e42999ca6b53b83ce00aa1fef724a2