[INFO] updating cached repository ChrisDavison/t
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ChrisDavison/t
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ChrisDavison/t" "work/ex/beta-1.38-1/sources/1.37.0/gh/ChrisDavison/t"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ChrisDavison/t'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ChrisDavison/t" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ChrisDavison/t"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ChrisDavison/t'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8cb2cc02c1b66877da3c9ba3877b999b2456f779
[INFO] sha for GitHub repo ChrisDavison/t: 8cb2cc02c1b66877da3c9ba3877b999b2456f779
[INFO] validating manifest of ChrisDavison/t 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 ChrisDavison/t 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 ChrisDavison/t
[INFO] finished frobbing ChrisDavison/t
[INFO] frobbed toml for ChrisDavison/t written to work/ex/beta-1.38-1/sources/1.37.0/gh/ChrisDavison/t/Cargo.toml
[INFO] started frobbing ChrisDavison/t
[INFO] finished frobbing ChrisDavison/t
[INFO] frobbed toml for ChrisDavison/t written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ChrisDavison/t/Cargo.toml
[INFO] crate ChrisDavison/t 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 ChrisDavison/t against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ChrisDavison/t:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] c666a3497a8c1b8211d7347e246c32eb1bd5755f1b9b5736cfb74da5122d8b80
[INFO] running `"docker" "start" "-a" "c666a3497a8c1b8211d7347e246c32eb1bd5755f1b9b5736cfb74da5122d8b80"`
[INFO] [stderr]    Compiling t v0.32.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/modify.rs:5:47
[INFO] [stderr]   |
[INFO] [stderr] 5 | type Result<T> = ::std::result::Result<T, Box<::std::error::Error>>;
[INFO] [stderr]   |                                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[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/schedule.rs:6:47
[INFO] [stderr]   |
[INFO] [stderr] 6 | type Result<T> = ::std::result::Result<T, Box<::std::error::Error>>;
[INFO] [stderr]   |                                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/utility.rs:9:47
[INFO] [stderr]   |
[INFO] [stderr] 9 | type Result<T> = ::std::result::Result<T, Box<::std::error::Error>>;
[INFO] [stderr]   |                                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/view.rs:5:47
[INFO] [stderr]   |
[INFO] [stderr] 5 | type Result<T> = ::std::result::Result<T, Box<::std::error::Error>>;
[INFO] [stderr]   |                                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:42:47
[INFO] [stderr]    |
[INFO] [stderr] 42 | type Result<T> = ::std::result::Result<T, Box<::std::error::Error>>;
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.23s
[INFO] running `"docker" "inspect" "c666a3497a8c1b8211d7347e246c32eb1bd5755f1b9b5736cfb74da5122d8b80"`
[INFO] running `"docker" "rm" "-f" "c666a3497a8c1b8211d7347e246c32eb1bd5755f1b9b5736cfb74da5122d8b80"`
[INFO] [stdout] c666a3497a8c1b8211d7347e246c32eb1bd5755f1b9b5736cfb74da5122d8b80
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ChrisDavison/t:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] bf640e737611c5c7bbfbf81ac97356ec671d5c8ef9e9c32e97982bfbf0fd600e
[INFO] running `"docker" "start" "-a" "bf640e737611c5c7bbfbf81ac97356ec671d5c8ef9e9c32e97982bfbf0fd600e"`
[INFO] [stderr]    Compiling t v0.32.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/modify.rs:5:47
[INFO] [stderr]   |
[INFO] [stderr] 5 | type Result<T> = ::std::result::Result<T, Box<::std::error::Error>>;
[INFO] [stderr]   |                                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[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/schedule.rs:6:47
[INFO] [stderr]   |
[INFO] [stderr] 6 | type Result<T> = ::std::result::Result<T, Box<::std::error::Error>>;
[INFO] [stderr]   |                                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/utility.rs:9:47
[INFO] [stderr]   |
[INFO] [stderr] 9 | type Result<T> = ::std::result::Result<T, Box<::std::error::Error>>;
[INFO] [stderr]   |                                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/view.rs:5:47
[INFO] [stderr]   |
[INFO] [stderr] 5 | type Result<T> = ::std::result::Result<T, Box<::std::error::Error>>;
[INFO] [stderr]   |                                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:42:47
[INFO] [stderr]    |
[INFO] [stderr] 42 | type Result<T> = ::std::result::Result<T, Box<::std::error::Error>>;
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `"docker" "inspect" "bf640e737611c5c7bbfbf81ac97356ec671d5c8ef9e9c32e97982bfbf0fd600e"`
[INFO] running `"docker" "rm" "-f" "bf640e737611c5c7bbfbf81ac97356ec671d5c8ef9e9c32e97982bfbf0fd600e"`
[INFO] [stdout] bf640e737611c5c7bbfbf81ac97356ec671d5c8ef9e9c32e97982bfbf0fd600e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ChrisDavison/t:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 4da8a4cd4f7ba9d364e564c396e570dec5f800930afd33b44be9cfe0605ed1f0
[INFO] running `"docker" "start" "-a" "4da8a4cd4f7ba9d364e564c396e570dec5f800930afd33b44be9cfe0605ed1f0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/t-8875212c70c9068d
[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" "4da8a4cd4f7ba9d364e564c396e570dec5f800930afd33b44be9cfe0605ed1f0"`
[INFO] running `"docker" "rm" "-f" "4da8a4cd4f7ba9d364e564c396e570dec5f800930afd33b44be9cfe0605ed1f0"`
[INFO] [stdout] 4da8a4cd4f7ba9d364e564c396e570dec5f800930afd33b44be9cfe0605ed1f0