[INFO] crate captcha 0.0.7 is already in cache
[INFO] extracting crate captcha 0.0.7 into work/ex/beta-1.38-1/sources/1.37.0/reg/captcha/0.0.7
[INFO] extracting crate captcha 0.0.7 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/captcha/0.0.7
[INFO] validating manifest of captcha-0.0.7 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 captcha-0.0.7 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 captcha-0.0.7
[INFO] finished frobbing captcha-0.0.7
[INFO] frobbed toml for captcha-0.0.7 written to work/ex/beta-1.38-1/sources/1.37.0/reg/captcha/0.0.7/Cargo.toml
[INFO] started frobbing captcha-0.0.7
[INFO] finished frobbing captcha-0.0.7
[INFO] frobbed toml for captcha-0.0.7 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/captcha/0.0.7/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing captcha-0.0.7 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/captcha/0.0.7:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] d68d1958c244515895780d78c0abaa8c43d0045247c057cbef1a62f450bca10f
[INFO] running `"docker" "start" "-a" "d68d1958c244515895780d78c0abaa8c43d0045247c057cbef1a62f450bca10f"`
[INFO] [stderr]    Compiling c_vec v1.3.3
[INFO] [stderr]    Compiling lodepng v1.2.2
[INFO] [stderr]    Compiling base64 v0.5.2
[INFO] [stderr]    Compiling png v0.7.0
[INFO] [stderr]    Compiling image v0.13.0
[INFO] [stderr]    Compiling captcha v0.0.7 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:96:15
[INFO] [stderr]    |
[INFO] [stderr] 96 |     font: Box<Font>,
[INFO] [stderr]    |               ^^^^ help: use `dyn`: `dyn Font`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.43s
[INFO] running `"docker" "inspect" "d68d1958c244515895780d78c0abaa8c43d0045247c057cbef1a62f450bca10f"`
[INFO] running `"docker" "rm" "-f" "d68d1958c244515895780d78c0abaa8c43d0045247c057cbef1a62f450bca10f"`
[INFO] [stdout] d68d1958c244515895780d78c0abaa8c43d0045247c057cbef1a62f450bca10f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/captcha/0.0.7:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 680c3be031a7cbeba5ae338df0d8b019d6a6b0fa52e57a11212f535543f91a61
[INFO] running `"docker" "start" "-a" "680c3be031a7cbeba5ae338df0d8b019d6a6b0fa52e57a11212f535543f91a61"`
[INFO] [stderr]    Compiling captcha v0.0.7 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:96:15
[INFO] [stderr]    |
[INFO] [stderr] 96 |     font: Box<Font>,
[INFO] [stderr]    |               ^^^^ help: use `dyn`: `dyn Font`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.85s
[INFO] running `"docker" "inspect" "680c3be031a7cbeba5ae338df0d8b019d6a6b0fa52e57a11212f535543f91a61"`
[INFO] running `"docker" "rm" "-f" "680c3be031a7cbeba5ae338df0d8b019d6a6b0fa52e57a11212f535543f91a61"`
[INFO] [stdout] 680c3be031a7cbeba5ae338df0d8b019d6a6b0fa52e57a11212f535543f91a61
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/captcha/0.0.7:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] a3fc00fe905df0ea588a26f13d92d78490b820e84e740d67a326c27c91f6d1bb
[INFO] running `"docker" "start" "-a" "a3fc00fe905df0ea588a26f13d92d78490b820e84e740d67a326c27c91f6d1bb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/captcha-e93e91b43a38439c
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test fonts::tests::fonts_default ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests captcha
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/samples/mod.rs - samples (line 8) ... ok
[INFO] [stdout] test src/lib.rs -  (line 18) ... ok
[INFO] [stdout] test src/lib.rs -  (line 29) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a3fc00fe905df0ea588a26f13d92d78490b820e84e740d67a326c27c91f6d1bb"`
[INFO] running `"docker" "rm" "-f" "a3fc00fe905df0ea588a26f13d92d78490b820e84e740d67a326c27c91f6d1bb"`
[INFO] [stdout] a3fc00fe905df0ea588a26f13d92d78490b820e84e740d67a326c27c91f6d1bb