[INFO] crate thermostat 0.0.2 is already in cache
[INFO] extracting crate thermostat 0.0.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/thermostat/0.0.2
[INFO] extracting crate thermostat 0.0.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/thermostat/0.0.2
[INFO] validating manifest of thermostat-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 thermostat-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 thermostat-0.0.2
[INFO] finished frobbing thermostat-0.0.2
[INFO] frobbed toml for thermostat-0.0.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/thermostat/0.0.2/Cargo.toml
[INFO] started frobbing thermostat-0.0.2
[INFO] finished frobbing thermostat-0.0.2
[INFO] frobbed toml for thermostat-0.0.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/thermostat/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 thermostat-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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/thermostat/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] d4303c5b22fd01217820bad90488fceecf6d54d48ae71648bce3bcd2be2a9d26
[INFO] running `"docker" "start" "-a" "d4303c5b22fd01217820bad90488fceecf6d54d48ae71648bce3bcd2be2a9d26"`
[INFO] [stderr]    Compiling thermostat v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:189:20
[INFO] [stderr]     |
[INFO] [stderr] 189 |     interface: &'a ThermostatInterface,
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ThermostatInterface`
[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/lib.rs:189:20
[INFO] [stderr]     |
[INFO] [stderr] 189 |     interface: &'a ThermostatInterface,
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ThermostatInterface`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:235:28
[INFO] [stderr]     |
[INFO] [stderr] 235 |     pub fn new(interface: &ThermostatInterface) -> Thermostat {
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ThermostatInterface`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `maximum_heat_run_secs`
[INFO] [stderr]    --> src/lib.rs:197:5
[INFO] [stderr]     |
[INFO] [stderr] 197 |     maximum_heat_run_secs: u32,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `maximum_cool_run_secs`
[INFO] [stderr]    --> src/lib.rs:200:5
[INFO] [stderr]     |
[INFO] [stderr] 200 |     maximum_cool_run_secs: u32,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `maximum_fan_run_secs`
[INFO] [stderr]    --> src/lib.rs:203:5
[INFO] [stderr]     |
[INFO] [stderr] 203 |     maximum_fan_run_secs: u32,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `fan`
[INFO] [stderr]    --> src/lib.rs:450:5
[INFO] [stderr]     |
[INFO] [stderr] 450 |     fn fan(&mut self) -> Result<(), Error> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `"docker" "inspect" "d4303c5b22fd01217820bad90488fceecf6d54d48ae71648bce3bcd2be2a9d26"`
[INFO] running `"docker" "rm" "-f" "d4303c5b22fd01217820bad90488fceecf6d54d48ae71648bce3bcd2be2a9d26"`
[INFO] [stdout] d4303c5b22fd01217820bad90488fceecf6d54d48ae71648bce3bcd2be2a9d26
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/thermostat/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] d7784905fd15b85a8438d47cddb223a34c821e96d2c106440274e40cfee9cd0c
[INFO] running `"docker" "start" "-a" "d7784905fd15b85a8438d47cddb223a34c821e96d2c106440274e40cfee9cd0c"`
[INFO] [stderr]    Compiling thermostat v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:189:20
[INFO] [stderr]     |
[INFO] [stderr] 189 |     interface: &'a ThermostatInterface,
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ThermostatInterface`
[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/lib.rs:189:20
[INFO] [stderr]     |
[INFO] [stderr] 189 |     interface: &'a ThermostatInterface,
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ThermostatInterface`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:235:28
[INFO] [stderr]     |
[INFO] [stderr] 235 |     pub fn new(interface: &ThermostatInterface) -> Thermostat {
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ThermostatInterface`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `maximum_heat_run_secs`
[INFO] [stderr]    --> src/lib.rs:197:5
[INFO] [stderr]     |
[INFO] [stderr] 197 |     maximum_heat_run_secs: u32,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `maximum_cool_run_secs`
[INFO] [stderr]    --> src/lib.rs:200:5
[INFO] [stderr]     |
[INFO] [stderr] 200 |     maximum_cool_run_secs: u32,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `maximum_fan_run_secs`
[INFO] [stderr]    --> src/lib.rs:203:5
[INFO] [stderr]     |
[INFO] [stderr] 203 |     maximum_fan_run_secs: u32,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `fan`
[INFO] [stderr]    --> src/lib.rs:450:5
[INFO] [stderr]     |
[INFO] [stderr] 450 |     fn fan(&mut self) -> Result<(), Error> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "d7784905fd15b85a8438d47cddb223a34c821e96d2c106440274e40cfee9cd0c"`
[INFO] running `"docker" "rm" "-f" "d7784905fd15b85a8438d47cddb223a34c821e96d2c106440274e40cfee9cd0c"`
[INFO] [stdout] d7784905fd15b85a8438d47cddb223a34c821e96d2c106440274e40cfee9cd0c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/thermostat/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] 7da418d91f7e7566ba71a822b45c8866a5d263fc0a36567b7ddbd900fb800ecd
[INFO] running `"docker" "start" "-a" "7da418d91f7e7566ba71a822b45c8866a5d263fc0a36567b7ddbd900fb800ecd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/thermostat-7c25188acb284cf8
[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 6 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/thermostat-348c9acbf0010792
[INFO] [stdout] test thermo_changes_minimum_safe_temperature ... ok
[INFO] [stdout] test thermo_changes_minimum_set_temperature ... ok
[INFO] [stderr]    Doc-tests thermostat
[INFO] [stdout] test thermo_default_uses_default_values ... ok
[INFO] [stdout] test thermo_changes_operating_mode ... ok
[INFO] [stdout] test thermo_changes_maximum_safe_temperature ... ok
[INFO] [stdout] test thermo_changes_maximum_set_temperature ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 29) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "7da418d91f7e7566ba71a822b45c8866a5d263fc0a36567b7ddbd900fb800ecd"`
[INFO] running `"docker" "rm" "-f" "7da418d91f7e7566ba71a822b45c8866a5d263fc0a36567b7ddbd900fb800ecd"`
[INFO] [stdout] 7da418d91f7e7566ba71a822b45c8866a5d263fc0a36567b7ddbd900fb800ecd