[INFO] crate tea 0.1.0 is already in cache
[INFO] extracting crate tea 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/tea/0.1.0
[INFO] extracting crate tea 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tea/0.1.0
[INFO] validating manifest of tea-0.1.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tea-0.1.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tea-0.1.0
[INFO] finished frobbing tea-0.1.0
[INFO] frobbed toml for tea-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/tea/0.1.0/Cargo.toml
[INFO] started frobbing tea-0.1.0
[INFO] finished frobbing tea-0.1.0
[INFO] frobbed toml for tea-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tea/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing tea-0.1.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tea/0.1.0:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] cf49c5a29f979d913321009a1a0233e110cf152c210ab66c8205bb34abe9ff29
[INFO] running `"docker" "start" "-a" "cf49c5a29f979d913321009a1a0233e110cf152c210ab66c8205bb34abe9ff29"`
[INFO] [stderr]    Compiling petgraph v0.2.10
[INFO] [stderr]    Compiling wayland-scanner v0.7.8
[INFO] [stderr]    Compiling pistoncore-input v0.17.1
[INFO] [stderr]    Compiling gl_generator v0.5.5
[INFO] [stderr]    Compiling rusttype v0.2.3
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling memmap v0.4.0
[INFO] [stderr]    Compiling wayland-sys v0.7.8
[INFO] [stderr]    Compiling wayland-sys v0.8.7
[INFO] [stderr]    Compiling wayland-client v0.8.7
[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]    = note: for more information, try `rustc --explain E0729`
[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]    = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling wayland-client v0.7.8
[INFO] [stderr]    Compiling wayland-kbd v0.8.0
[INFO] [stderr]    Compiling wayland-window v0.5.0
[INFO] [stderr]    Compiling daggy v0.4.1
[INFO] [stderr]    Compiling glutin v0.7.4
[INFO] [stderr]    Compiling glium v0.16.0
[INFO] [stderr]    Compiling glutin v0.8.1
[INFO] [stderr]    Compiling winit v0.6.4
[INFO] [stderr]    Compiling wayland-kbd v0.6.3
[INFO] [stderr]    Compiling wayland-window v0.4.4
[INFO] [stderr]    Compiling winit v0.5.11
[INFO] [stderr]    Compiling conrod v0.51.1
[INFO] [stderr]    Compiling tea v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::result::Result`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::result::Result;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 36s
[INFO] running `"docker" "inspect" "cf49c5a29f979d913321009a1a0233e110cf152c210ab66c8205bb34abe9ff29"`
[INFO] running `"docker" "rm" "-f" "cf49c5a29f979d913321009a1a0233e110cf152c210ab66c8205bb34abe9ff29"`
[INFO] [stdout] cf49c5a29f979d913321009a1a0233e110cf152c210ab66c8205bb34abe9ff29
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tea/0.1.0:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] b55c99f5be8c529b08599ed3ec4f7e38fee9e191c88c3508aaea192e5af6a184
[INFO] running `"docker" "start" "-a" "b55c99f5be8c529b08599ed3ec4f7e38fee9e191c88c3508aaea192e5af6a184"`
[INFO] [stderr]    Compiling tea v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::result::Result`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::result::Result;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `"docker" "inspect" "b55c99f5be8c529b08599ed3ec4f7e38fee9e191c88c3508aaea192e5af6a184"`
[INFO] running `"docker" "rm" "-f" "b55c99f5be8c529b08599ed3ec4f7e38fee9e191c88c3508aaea192e5af6a184"`
[INFO] [stdout] b55c99f5be8c529b08599ed3ec4f7e38fee9e191c88c3508aaea192e5af6a184
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tea/0.1.0:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 8e4cbcb6af0017cdf7a673584bf23175976969145707713387dbbf8b5ca94845
[INFO] running `"docker" "start" "-a" "8e4cbcb6af0017cdf7a673584bf23175976969145707713387dbbf8b5ca94845"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tea-3cd95463967f6bd2
[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" "8e4cbcb6af0017cdf7a673584bf23175976969145707713387dbbf8b5ca94845"`
[INFO] running `"docker" "rm" "-f" "8e4cbcb6af0017cdf7a673584bf23175976969145707713387dbbf8b5ca94845"`
[INFO] [stdout] 8e4cbcb6af0017cdf7a673584bf23175976969145707713387dbbf8b5ca94845