[INFO] updating cached repository twetzel59/mini-functional
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/twetzel59/mini-functional
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/twetzel59/mini-functional" "work/ex/beta-1.38-1/sources/1.37.0/gh/twetzel59/mini-functional"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/twetzel59/mini-functional'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/twetzel59/mini-functional" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/twetzel59/mini-functional"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/twetzel59/mini-functional'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bcb6e727b2cbeb9e806c3a5aa622622a60177473
[INFO] sha for GitHub repo twetzel59/mini-functional: bcb6e727b2cbeb9e806c3a5aa622622a60177473
[INFO] validating manifest of twetzel59/mini-functional 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 twetzel59/mini-functional 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 twetzel59/mini-functional
[INFO] finished frobbing twetzel59/mini-functional
[INFO] frobbed toml for twetzel59/mini-functional written to work/ex/beta-1.38-1/sources/1.37.0/gh/twetzel59/mini-functional/Cargo.toml
[INFO] started frobbing twetzel59/mini-functional
[INFO] finished frobbing twetzel59/mini-functional
[INFO] frobbed toml for twetzel59/mini-functional written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/twetzel59/mini-functional/Cargo.toml
[INFO] crate twetzel59/mini-functional 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 twetzel59/mini-functional 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/twetzel59/mini-functional:/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] 3214c5e487d811ff7030f0d2396ae35259081353317da9af9b13cc13e5d5916a
[INFO] running `"docker" "start" "-a" "3214c5e487d811ff7030f0d2396ae35259081353317da9af9b13cc13e5d5916a"`
[INFO] [stderr]    Compiling mini-functional v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:34:29
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn main() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `"docker" "inspect" "3214c5e487d811ff7030f0d2396ae35259081353317da9af9b13cc13e5d5916a"`
[INFO] running `"docker" "rm" "-f" "3214c5e487d811ff7030f0d2396ae35259081353317da9af9b13cc13e5d5916a"`
[INFO] [stdout] 3214c5e487d811ff7030f0d2396ae35259081353317da9af9b13cc13e5d5916a
[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/twetzel59/mini-functional:/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] 68d626e071db3aa7081e41218e0c4f5c7a05502ba9a7cc1c226c273c24981db8
[INFO] running `"docker" "start" "-a" "68d626e071db3aa7081e41218e0c4f5c7a05502ba9a7cc1c226c273c24981db8"`
[INFO] [stderr]    Compiling mini-functional v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:34:29
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn main() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `"docker" "inspect" "68d626e071db3aa7081e41218e0c4f5c7a05502ba9a7cc1c226c273c24981db8"`
[INFO] running `"docker" "rm" "-f" "68d626e071db3aa7081e41218e0c4f5c7a05502ba9a7cc1c226c273c24981db8"`
[INFO] [stdout] 68d626e071db3aa7081e41218e0c4f5c7a05502ba9a7cc1c226c273c24981db8
[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/twetzel59/mini-functional:/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] 7a50f153d3573dad03093b44049af5fa9ff66e61627b8c1e881b7c94b84590fd
[INFO] running `"docker" "start" "-a" "7a50f153d3573dad03093b44049af5fa9ff66e61627b8c1e881b7c94b84590fd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mini_functional-7a422de2c84ec27b
[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/mini_functional-73bc25da9f387754
[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 mini-functional
[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" "7a50f153d3573dad03093b44049af5fa9ff66e61627b8c1e881b7c94b84590fd"`
[INFO] running `"docker" "rm" "-f" "7a50f153d3573dad03093b44049af5fa9ff66e61627b8c1e881b7c94b84590fd"`
[INFO] [stdout] 7a50f153d3573dad03093b44049af5fa9ff66e61627b8c1e881b7c94b84590fd