[INFO] updating cached repository mentero/two_o_four_eight
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mentero/two_o_four_eight
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mentero/two_o_four_eight" "work/ex/beta-1.37-6/sources/1.36.0/gh/mentero/two_o_four_eight"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/mentero/two_o_four_eight'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mentero/two_o_four_eight" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mentero/two_o_four_eight"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mentero/two_o_four_eight'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a836f176fa52a892b7102f0e60eb637e9008fa5f
[INFO] sha for GitHub repo mentero/two_o_four_eight: a836f176fa52a892b7102f0e60eb637e9008fa5f
[INFO] validating manifest of mentero/two_o_four_eight 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 mentero/two_o_four_eight 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 mentero/two_o_four_eight
[INFO] finished frobbing mentero/two_o_four_eight
[INFO] frobbed toml for mentero/two_o_four_eight written to work/ex/beta-1.37-6/sources/1.36.0/gh/mentero/two_o_four_eight/Cargo.toml
[INFO] started frobbing mentero/two_o_four_eight
[INFO] finished frobbing mentero/two_o_four_eight
[INFO] frobbed toml for mentero/two_o_four_eight written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mentero/two_o_four_eight/Cargo.toml
[INFO] crate mentero/two_o_four_eight 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 mentero/two_o_four_eight 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-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mentero/two_o_four_eight:/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] de354a0d6bd81cc2462fe6f5b00fbb92f709917e071ccad838e1f1d30d97ba8d
[INFO] running `"docker" "start" "-a" "de354a0d6bd81cc2462fe6f5b00fbb92f709917e071ccad838e1f1d30d97ba8d"`
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling piston2d-graphics v0.21.1
[INFO] [stderr]    Compiling rusttype v0.2.3
[INFO] [stderr]    Compiling gl_generator v0.5.5
[INFO] [stderr]    Compiling gl_generator v0.6.1
[INFO] [stderr]    Compiling gl_generator v0.7.0
[INFO] [stderr]    Compiling gfx_core v0.7.2
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling fs2 v0.2.5
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[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<K: Clone, V: Clone>(
[INFO] [stderr] 78 | |                 node: node::NodeRef<marker::Immut, K, V, marker::LeafOrInternal>)
[INFO] [stderr] 79 | |                 -> BTreeMap<K, V> {
[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<K: Clone, V: Clone>(
[INFO] [stderr] 78 | |                 node: node::NodeRef<marker::Immut, K, V, marker::LeafOrInternal>)
[INFO] [stderr] 79 | |                 -> BTreeMap<K, V> {
[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 crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling png v0.9.0
[INFO] [stderr]    Compiling pistoncore-input v0.19.0
[INFO] [stderr]    Compiling memmap v0.4.0
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling glutin v0.9.2
[INFO] [stderr]    Compiling gl v0.6.5
[INFO] [stderr]    Compiling gfx_gl v0.4.0
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]    Compiling pistoncore-window v0.28.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.33.0
[INFO] [stderr]    Compiling piston v0.33.0
[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 jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling wayland-protocols v0.9.10
[INFO] [stderr]    Compiling wayland-kbd v0.9.1
[INFO] [stderr]    Compiling image v0.15.0
[INFO] [stderr]    Compiling wayland-window v0.7.0
[INFO] [stderr]    Compiling winit v0.7.6
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.39.1
[INFO] [stderr]    Compiling gfx v0.16.3
[INFO] [stderr]    Compiling gfx_device_gl v0.14.6
[INFO] [stderr]    Compiling piston-gfx_texture v0.26.0
[INFO] [stderr]    Compiling piston2d-gfx_graphics v0.43.0
[INFO] [stderr]    Compiling piston_window v0.70.0
[INFO] [stderr]    Compiling two_o_four_eight v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 20s
[INFO] running `"docker" "inspect" "de354a0d6bd81cc2462fe6f5b00fbb92f709917e071ccad838e1f1d30d97ba8d"`
[INFO] running `"docker" "rm" "-f" "de354a0d6bd81cc2462fe6f5b00fbb92f709917e071ccad838e1f1d30d97ba8d"`
[INFO] [stdout] de354a0d6bd81cc2462fe6f5b00fbb92f709917e071ccad838e1f1d30d97ba8d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mentero/two_o_four_eight:/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] 6836988bcade3005918ca7a4f4c8a9ecfdadc43e16f8d4f90053039c067358ec
[INFO] running `"docker" "start" "-a" "6836988bcade3005918ca7a4f4c8a9ecfdadc43e16f8d4f90053039c067358ec"`
[INFO] [stderr]    Compiling two_o_four_eight v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.81s
[INFO] running `"docker" "inspect" "6836988bcade3005918ca7a4f4c8a9ecfdadc43e16f8d4f90053039c067358ec"`
[INFO] running `"docker" "rm" "-f" "6836988bcade3005918ca7a4f4c8a9ecfdadc43e16f8d4f90053039c067358ec"`
[INFO] [stdout] 6836988bcade3005918ca7a4f4c8a9ecfdadc43e16f8d4f90053039c067358ec
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mentero/two_o_four_eight:/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] b5f60e626f50e8d3747244c3a7a576a55dccb213c25ff513027661fc6e801778
[INFO] running `"docker" "start" "-a" "b5f60e626f50e8d3747244c3a7a576a55dccb213c25ff513027661fc6e801778"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/two_o_four_eight-b2780e57a74482f8
[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] [stderr]      Running /opt/crater/target/debug/deps/two_o_four_eight-2fdd8165a20cfd52
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests two_o_four_eight
[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] [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" "b5f60e626f50e8d3747244c3a7a576a55dccb213c25ff513027661fc6e801778"`
[INFO] running `"docker" "rm" "-f" "b5f60e626f50e8d3747244c3a7a576a55dccb213c25ff513027661fc6e801778"`
[INFO] [stdout] b5f60e626f50e8d3747244c3a7a576a55dccb213c25ff513027661fc6e801778