[INFO] updating cached repository brennie/picasso
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/brennie/picasso
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/brennie/picasso" "work/ex/beta-1.38-1/sources/1.37.0/gh/brennie/picasso"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/brennie/picasso'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/brennie/picasso" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/brennie/picasso"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/brennie/picasso'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] adb5c673dc9f5f8da6d6dd88a24a62db2fb72d22
[INFO] sha for GitHub repo brennie/picasso: adb5c673dc9f5f8da6d6dd88a24a62db2fb72d22
[INFO] validating manifest of brennie/picasso 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 brennie/picasso 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 brennie/picasso
[INFO] finished frobbing brennie/picasso
[INFO] frobbed toml for brennie/picasso written to work/ex/beta-1.38-1/sources/1.37.0/gh/brennie/picasso/Cargo.toml
[INFO] started frobbing brennie/picasso
[INFO] finished frobbing brennie/picasso
[INFO] frobbed toml for brennie/picasso written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/brennie/picasso/Cargo.toml
[INFO] crate brennie/picasso 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 brennie/picasso 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-7/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/brennie/picasso:/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] 5bfcc5773d0b0b44e511561659c0795b7997e062fabe076c9fc8c62dc385b7e6
[INFO] running `"docker" "start" "-a" "5bfcc5773d0b0b44e511561659c0795b7997e062fabe076c9fc8c62dc385b7e6"`
[INFO] [stderr]    Compiling rand v0.5.1
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]    Compiling structopt v0.2.10
[INFO] [stderr]    Compiling picasso v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.20s
[INFO] running `"docker" "inspect" "5bfcc5773d0b0b44e511561659c0795b7997e062fabe076c9fc8c62dc385b7e6"`
[INFO] running `"docker" "rm" "-f" "5bfcc5773d0b0b44e511561659c0795b7997e062fabe076c9fc8c62dc385b7e6"`
[INFO] [stdout] 5bfcc5773d0b0b44e511561659c0795b7997e062fabe076c9fc8c62dc385b7e6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/brennie/picasso:/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] 31fe26b32aa5250711bae92a84a836e14d53c4af47410756ce85dae3417b6957
[INFO] running `"docker" "start" "-a" "31fe26b32aa5250711bae92a84a836e14d53c4af47410756ce85dae3417b6957"`
[INFO] [stderr]    Compiling picasso v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `"docker" "inspect" "31fe26b32aa5250711bae92a84a836e14d53c4af47410756ce85dae3417b6957"`
[INFO] running `"docker" "rm" "-f" "31fe26b32aa5250711bae92a84a836e14d53c4af47410756ce85dae3417b6957"`
[INFO] [stdout] 31fe26b32aa5250711bae92a84a836e14d53c4af47410756ce85dae3417b6957
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/brennie/picasso:/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] 2e4738c298f2012d84bc22c2c579d713fee2e5d0f885428e1f24540c861b136a
[INFO] running `"docker" "start" "-a" "2e4738c298f2012d84bc22c2c579d713fee2e5d0f885428e1f24540c861b136a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/picasso-cd7271ded138c888
[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" "2e4738c298f2012d84bc22c2c579d713fee2e5d0f885428e1f24540c861b136a"`
[INFO] running `"docker" "rm" "-f" "2e4738c298f2012d84bc22c2c579d713fee2e5d0f885428e1f24540c861b136a"`
[INFO] [stdout] 2e4738c298f2012d84bc22c2c579d713fee2e5d0f885428e1f24540c861b136a