[INFO] updating cached repository sandhose/rust-todo
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sandhose/rust-todo
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sandhose/rust-todo" "work/ex/beta-1.37-6/sources/1.36.0/gh/sandhose/rust-todo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/sandhose/rust-todo'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sandhose/rust-todo" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sandhose/rust-todo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sandhose/rust-todo'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c058b04a64b0b8433d51d8a6c70e71a046369fb9
[INFO] sha for GitHub repo sandhose/rust-todo: c058b04a64b0b8433d51d8a6c70e71a046369fb9
[INFO] validating manifest of sandhose/rust-todo 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 sandhose/rust-todo 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 sandhose/rust-todo
[INFO] finished frobbing sandhose/rust-todo
[INFO] frobbed toml for sandhose/rust-todo written to work/ex/beta-1.37-6/sources/1.36.0/gh/sandhose/rust-todo/Cargo.toml
[INFO] started frobbing sandhose/rust-todo
[INFO] finished frobbing sandhose/rust-todo
[INFO] frobbed toml for sandhose/rust-todo written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sandhose/rust-todo/Cargo.toml
[INFO] crate sandhose/rust-todo 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]     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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing sandhose/rust-todo 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-6/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/sandhose/rust-todo:/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] 06a50b268cc5c953695164e3b2ad6b6c022daaba8af71500d29d6caebd4eebc0
[INFO] running `"docker" "start" "-a" "06a50b268cc5c953695164e3b2ad6b6c022daaba8af71500d29d6caebd4eebc0"`
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling todo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/todo/list.rs:161:32
[INFO] [stderr]     |
[INFO] [stderr] 161 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/todo/list.rs:167:90
[INFO] [stderr]     |
[INFO] [stderr] 167 |             Error::ParserError(ref errs) => errs.first().and_then(|&(_, _, ref err)| err.cause()),
[INFO] [stderr]     |                                                                                          ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `find_todo`
[INFO] [stderr]   --> src/todo/list.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn find_todo(&self, todo: &Todo) -> Option<usize> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `load`
[INFO] [stderr]    --> src/todo/list.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn load() -> Result<Self, Error> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `save`
[INFO] [stderr]    --> src/todo/list.rs:116:5
[INFO] [stderr]     |
[INFO] [stderr] 116 |     pub fn save(&self) -> Result<(), Error> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.04s
[INFO] running `"docker" "inspect" "06a50b268cc5c953695164e3b2ad6b6c022daaba8af71500d29d6caebd4eebc0"`
[INFO] running `"docker" "rm" "-f" "06a50b268cc5c953695164e3b2ad6b6c022daaba8af71500d29d6caebd4eebc0"`
[INFO] [stdout] 06a50b268cc5c953695164e3b2ad6b6c022daaba8af71500d29d6caebd4eebc0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/sandhose/rust-todo:/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] f5aac624242f341bf4b062f57c80377af5ad5f97530295c064a088272d68da49
[INFO] running `"docker" "start" "-a" "f5aac624242f341bf4b062f57c80377af5ad5f97530295c064a088272d68da49"`
[INFO] [stderr]    Compiling todo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/todo/list.rs:161:32
[INFO] [stderr]     |
[INFO] [stderr] 161 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/todo/list.rs:167:90
[INFO] [stderr]     |
[INFO] [stderr] 167 |             Error::ParserError(ref errs) => errs.first().and_then(|&(_, _, ref err)| err.cause()),
[INFO] [stderr]     |                                                                                          ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `find_todo`
[INFO] [stderr]   --> src/todo/list.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn find_todo(&self, todo: &Todo) -> Option<usize> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `load`
[INFO] [stderr]    --> src/todo/list.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn load() -> Result<Self, Error> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `save`
[INFO] [stderr]    --> src/todo/list.rs:116:5
[INFO] [stderr]     |
[INFO] [stderr] 116 |     pub fn save(&self) -> Result<(), Error> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "f5aac624242f341bf4b062f57c80377af5ad5f97530295c064a088272d68da49"`
[INFO] running `"docker" "rm" "-f" "f5aac624242f341bf4b062f57c80377af5ad5f97530295c064a088272d68da49"`
[INFO] [stdout] f5aac624242f341bf4b062f57c80377af5ad5f97530295c064a088272d68da49
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/sandhose/rust-todo:/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] 8fa3d07052a981cdddc40f4e4ca9fbfbe4036b12fd4d11b9f9b2e2a794d6a168
[INFO] running `"docker" "start" "-a" "8fa3d07052a981cdddc40f4e4ca9fbfbe4036b12fd4d11b9f9b2e2a794d6a168"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/todo-694b78af9d0c1bcf
[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" "8fa3d07052a981cdddc40f4e4ca9fbfbe4036b12fd4d11b9f9b2e2a794d6a168"`
[INFO] running `"docker" "rm" "-f" "8fa3d07052a981cdddc40f4e4ca9fbfbe4036b12fd4d11b9f9b2e2a794d6a168"`
[INFO] [stdout] 8fa3d07052a981cdddc40f4e4ca9fbfbe4036b12fd4d11b9f9b2e2a794d6a168