[INFO] updating cached repository leorik/tc_lights
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/leorik/tc_lights
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/leorik/tc_lights" "work/ex/beta-1.38-1/sources/1.37.0/gh/leorik/tc_lights"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/leorik/tc_lights'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/leorik/tc_lights" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/leorik/tc_lights"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/leorik/tc_lights'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] db41f77b94636a29f247d2b7f84ef6e12d6b92f4
[INFO] sha for GitHub repo leorik/tc_lights: db41f77b94636a29f247d2b7f84ef6e12d6b92f4
[INFO] validating manifest of leorik/tc_lights 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 leorik/tc_lights 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 leorik/tc_lights
[INFO] finished frobbing leorik/tc_lights
[INFO] frobbed toml for leorik/tc_lights written to work/ex/beta-1.38-1/sources/1.37.0/gh/leorik/tc_lights/Cargo.toml
[INFO] started frobbing leorik/tc_lights
[INFO] finished frobbing leorik/tc_lights
[INFO] frobbed toml for leorik/tc_lights written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/leorik/tc_lights/Cargo.toml
[INFO] crate leorik/tc_lights already has a lockfile, it will not be regenerated
[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 leorik/tc_lights 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/leorik/tc_lights:/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] 0886b01a32ac33139f0a855a62bfcb4df50f26713fa388032cbbe146c437607b
[INFO] running `"docker" "start" "-a" "0886b01a32ac33139f0a855a62bfcb4df50f26713fa388032cbbe146c437607b"`
[INFO] [stderr]    Compiling gcc v0.3.45
[INFO] [stderr]    Compiling openssl v0.9.11
[INFO] [stderr]    Compiling libc v0.2.22
[INFO] [stderr]    Compiling log v0.3.7
[INFO] [stderr]    Compiling serde v1.0.2
[INFO] [stderr]    Compiling hyper v0.10.9
[INFO] [stderr]    Compiling idna v0.1.1
[INFO] [stderr]    Compiling serde_derive_internals v0.15.0
[INFO] [stderr]    Compiling mime v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.4.0
[INFO] [stderr]    Compiling time v0.1.37
[INFO] [stderr]    Compiling openssl-sys v0.9.11
[INFO] [stderr]    Compiling serde_derive v1.0.2
[INFO] [stderr]    Compiling url v1.4.0
[INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.4.0/src/form_urlencoded.rs:246:40
[INFO] [stderr]     |
[INFO] [stderr] 244 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 245 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 246 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stderr]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stderr]     |                                        |
[INFO] [stderr]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[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 native-tls v0.1.2
[INFO] [stderr]    Compiling serde_json v1.0.1
[INFO] [stderr]    Compiling hyper-native-tls v0.2.2
[INFO] [stderr]    Compiling tc_lights v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/api_enquirer.rs:155:32
[INFO] [stderr]     |
[INFO] [stderr] 155 |     fn cause(&self) -> Option<&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: unused import: `super::serde_derive`
[INFO] [stderr]  --> src/settings.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use super::serde_derive;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/signal/mod.rs:21:32
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.80s
[INFO] running `"docker" "inspect" "0886b01a32ac33139f0a855a62bfcb4df50f26713fa388032cbbe146c437607b"`
[INFO] running `"docker" "rm" "-f" "0886b01a32ac33139f0a855a62bfcb4df50f26713fa388032cbbe146c437607b"`
[INFO] [stdout] 0886b01a32ac33139f0a855a62bfcb4df50f26713fa388032cbbe146c437607b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/leorik/tc_lights:/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] 0819bd4d8aac44b4ecdb145eba928e647d9f399d25730615faac0f0b4c8f5610
[INFO] running `"docker" "start" "-a" "0819bd4d8aac44b4ecdb145eba928e647d9f399d25730615faac0f0b4c8f5610"`
[INFO] [stderr]    Compiling tc_lights v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/api_enquirer.rs:155:32
[INFO] [stderr]     |
[INFO] [stderr] 155 |     fn cause(&self) -> Option<&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: unused import: `super::serde_derive`
[INFO] [stderr]  --> src/settings.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use super::serde_derive;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/signal/mod.rs:21:32
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `"docker" "inspect" "0819bd4d8aac44b4ecdb145eba928e647d9f399d25730615faac0f0b4c8f5610"`
[INFO] running `"docker" "rm" "-f" "0819bd4d8aac44b4ecdb145eba928e647d9f399d25730615faac0f0b4c8f5610"`
[INFO] [stdout] 0819bd4d8aac44b4ecdb145eba928e647d9f399d25730615faac0f0b4c8f5610
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/leorik/tc_lights:/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] 3a06f25d4c3755aa1a079b62d648be5f905584758c1603fdee038129d99e3687
[INFO] running `"docker" "start" "-a" "3a06f25d4c3755aa1a079b62d648be5f905584758c1603fdee038129d99e3687"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tc_lights-792985a52ea59ee4
[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" "3a06f25d4c3755aa1a079b62d648be5f905584758c1603fdee038129d99e3687"`
[INFO] running `"docker" "rm" "-f" "3a06f25d4c3755aa1a079b62d648be5f905584758c1603fdee038129d99e3687"`
[INFO] [stdout] 3a06f25d4c3755aa1a079b62d648be5f905584758c1603fdee038129d99e3687