[INFO] crate avr 0.0.2 is already in cache
[INFO] extracting crate avr 0.0.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/avr/0.0.2
[INFO] extracting crate avr 0.0.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/avr/0.0.2
[INFO] validating manifest of avr-0.0.2 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 avr-0.0.2 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 avr-0.0.2
[INFO] finished frobbing avr-0.0.2
[INFO] frobbed toml for avr-0.0.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/avr/0.0.2/Cargo.toml
[INFO] started frobbing avr-0.0.2
[INFO] finished frobbing avr-0.0.2
[INFO] frobbed toml for avr-0.0.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/avr/0.0.2/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 avr-0.0.2 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/avr/0.0.2:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 97a4e6b0babca2fb1646c047460dfdfb8a4704f41680bc2d98d36b50220e2b7f
[INFO] running `"docker" "start" "-a" "97a4e6b0babca2fb1646c047460dfdfb8a4704f41680bc2d98d36b50220e2b7f"`
[INFO] [stderr]    Compiling avr v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/mcu.rs:7:21
[INFO] [stderr]   |
[INFO] [stderr] 7 |     addons: Vec<Box<addons::Addon>>,
[INFO] [stderr]   |                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn addons::Addon`
[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/mcu.rs:19:41
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn attach(&mut self, addon: Box<addons::Addon>) {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^ help: use `dyn`: `dyn addons::Addon`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.16s
[INFO] running `"docker" "inspect" "97a4e6b0babca2fb1646c047460dfdfb8a4704f41680bc2d98d36b50220e2b7f"`
[INFO] running `"docker" "rm" "-f" "97a4e6b0babca2fb1646c047460dfdfb8a4704f41680bc2d98d36b50220e2b7f"`
[INFO] [stdout] 97a4e6b0babca2fb1646c047460dfdfb8a4704f41680bc2d98d36b50220e2b7f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/avr/0.0.2:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 21a2c88f0ee91d5a011e136f96019c23c393023e4795e8fe6380705611de0258
[INFO] running `"docker" "start" "-a" "21a2c88f0ee91d5a011e136f96019c23c393023e4795e8fe6380705611de0258"`
[INFO] [stderr]    Compiling avr v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/mcu.rs:7:21
[INFO] [stderr]   |
[INFO] [stderr] 7 |     addons: Vec<Box<addons::Addon>>,
[INFO] [stderr]   |                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn addons::Addon`
[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/mcu.rs:19:41
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn attach(&mut self, addon: Box<addons::Addon>) {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^ help: use `dyn`: `dyn addons::Addon`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `"docker" "inspect" "21a2c88f0ee91d5a011e136f96019c23c393023e4795e8fe6380705611de0258"`
[INFO] running `"docker" "rm" "-f" "21a2c88f0ee91d5a011e136f96019c23c393023e4795e8fe6380705611de0258"`
[INFO] [stdout] 21a2c88f0ee91d5a011e136f96019c23c393023e4795e8fe6380705611de0258
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/avr/0.0.2:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 4aa2021c15282fd58fa5ec624641c90f681e93acb451018a7fe16f27f32c4adc
[INFO] running `"docker" "start" "-a" "4aa2021c15282fd58fa5ec624641c90f681e93acb451018a7fe16f27f32c4adc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/avr-f6d41c527e72e055
[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] [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/emulator-70d1f63e1d314291
[INFO] [stderr]    Doc-tests avr
[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" "4aa2021c15282fd58fa5ec624641c90f681e93acb451018a7fe16f27f32c4adc"`
[INFO] running `"docker" "rm" "-f" "4aa2021c15282fd58fa5ec624641c90f681e93acb451018a7fe16f27f32c4adc"`
[INFO] [stdout] 4aa2021c15282fd58fa5ec624641c90f681e93acb451018a7fe16f27f32c4adc