[INFO] updating cached repository tage64/mental-calc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tage64/mental-calc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tage64/mental-calc" "work/ex/beta-1.37-6/sources/1.36.0/gh/tage64/mental-calc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/tage64/mental-calc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tage64/mental-calc" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/tage64/mental-calc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/tage64/mental-calc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5b3717683f040ff9161974d24ab6b8410e9daa22
[INFO] sha for GitHub repo tage64/mental-calc: 5b3717683f040ff9161974d24ab6b8410e9daa22
[INFO] validating manifest of tage64/mental-calc 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 tage64/mental-calc 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 tage64/mental-calc
[INFO] finished frobbing tage64/mental-calc
[INFO] frobbed toml for tage64/mental-calc written to work/ex/beta-1.37-6/sources/1.36.0/gh/tage64/mental-calc/Cargo.toml
[INFO] started frobbing tage64/mental-calc
[INFO] finished frobbing tage64/mental-calc
[INFO] frobbed toml for tage64/mental-calc written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/tage64/mental-calc/Cargo.toml
[INFO] crate tage64/mental-calc 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/tage64/mental-calc/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing tage64/mental-calc against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/tage64/mental-calc:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] a47dabc14cfbbdb898da26274e5cf63b03acd7614ddafecb754b4af403714929
[INFO] running `"docker" "start" "-a" "a47dabc14cfbbdb898da26274e5cf63b03acd7614ddafecb754b4af403714929"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling boxfnonce v0.1.1
[INFO] [stderr]    Compiling clicolors-control v1.0.0
[INFO] [stderr]    Compiling tempfile v2.2.0
[INFO] [stderr]    Compiling console v0.7.7
[INFO] [stderr]    Compiling dialoguer v0.3.0
[INFO] [stderr]    Compiling mental_calc v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:131:29
[INFO] [stderr]     |
[INFO] [stderr] 131 |     task_producers: Vec<Box<TaskProducer<Number = T>>>,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TaskProducer<Number = T>`
[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:137:40
[INFO] [stderr]     |
[INFO] [stderr] 137 |     pub fn new(task_producers: Vec<Box<TaskProducer<Number = T>>>) -> Self {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TaskProducer<Number = T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:33:37
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let mut task_producers: Vec<Box<TaskProducer<Number = Number>>> = Vec::with_capacity(1);
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TaskProducer<Number = Number>`
[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/main.rs:63:47
[INFO] [stderr]    |
[INFO] [stderr] 63 | fn add_task_producer() -> IoResult<Option<Box<TaskProducer<Number = Number>>>> {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TaskProducer<Number = Number>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.81s
[INFO] running `"docker" "inspect" "a47dabc14cfbbdb898da26274e5cf63b03acd7614ddafecb754b4af403714929"`
[INFO] running `"docker" "rm" "-f" "a47dabc14cfbbdb898da26274e5cf63b03acd7614ddafecb754b4af403714929"`
[INFO] [stdout] a47dabc14cfbbdb898da26274e5cf63b03acd7614ddafecb754b4af403714929
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/tage64/mental-calc:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1ff40aa9342eda07e553711fba530fd5038f5a030a3fb3037d5d4492d1cfd280
[INFO] running `"docker" "start" "-a" "1ff40aa9342eda07e553711fba530fd5038f5a030a3fb3037d5d4492d1cfd280"`
[INFO] [stderr]    Compiling mental_calc v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:131:29
[INFO] [stderr]     |
[INFO] [stderr] 131 |     task_producers: Vec<Box<TaskProducer<Number = T>>>,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TaskProducer<Number = T>`
[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:137:40
[INFO] [stderr]     |
[INFO] [stderr] 137 |     pub fn new(task_producers: Vec<Box<TaskProducer<Number = T>>>) -> Self {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TaskProducer<Number = T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:33:37
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let mut task_producers: Vec<Box<TaskProducer<Number = Number>>> = Vec::with_capacity(1);
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TaskProducer<Number = Number>`
[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/main.rs:63:47
[INFO] [stderr]    |
[INFO] [stderr] 63 | fn add_task_producer() -> IoResult<Option<Box<TaskProducer<Number = Number>>>> {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TaskProducer<Number = Number>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `"docker" "inspect" "1ff40aa9342eda07e553711fba530fd5038f5a030a3fb3037d5d4492d1cfd280"`
[INFO] running `"docker" "rm" "-f" "1ff40aa9342eda07e553711fba530fd5038f5a030a3fb3037d5d4492d1cfd280"`
[INFO] [stdout] 1ff40aa9342eda07e553711fba530fd5038f5a030a3fb3037d5d4492d1cfd280
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/tage64/mental-calc:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 34c0ae24d2280b8cc409d884886815e4eabf6f69f2a917982cc397d84e6aa726
[INFO] running `"docker" "start" "-a" "34c0ae24d2280b8cc409d884886815e4eabf6f69f2a917982cc397d84e6aa726"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mental_calc-3bd4a4d3242abfaa
[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/mcalc-8cf491501154eb0e
[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]    Doc-tests mental_calc
[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" "34c0ae24d2280b8cc409d884886815e4eabf6f69f2a917982cc397d84e6aa726"`
[INFO] running `"docker" "rm" "-f" "34c0ae24d2280b8cc409d884886815e4eabf6f69f2a917982cc397d84e6aa726"`
[INFO] [stdout] 34c0ae24d2280b8cc409d884886815e4eabf6f69f2a917982cc397d84e6aa726