[INFO] crate yeast 0.20.0 is already in cache
[INFO] extracting crate yeast 0.20.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/yeast/0.20.0
[INFO] extracting crate yeast 0.20.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/yeast/0.20.0
[INFO] validating manifest of yeast-0.20.0 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 yeast-0.20.0 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 yeast-0.20.0
[INFO] finished frobbing yeast-0.20.0
[INFO] frobbed toml for yeast-0.20.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/yeast/0.20.0/Cargo.toml
[INFO] started frobbing yeast-0.20.0
[INFO] finished frobbing yeast-0.20.0
[INFO] frobbed toml for yeast-0.20.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/yeast/0.20.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] testing yeast-0.20.0 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-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/yeast/0.20.0:/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] 6c89f8532b64b99dff29e893770ab6e416aa0eba09de22001d2c2f4aa7a246b0
[INFO] running `"docker" "start" "-a" "6c89f8532b64b99dff29e893770ab6e416aa0eba09de22001d2c2f4aa7a246b0"`
[INFO] [stderr]    Compiling yeast v0.20.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:69:26
[INFO] [stderr]    |
[INFO] [stderr] 69 | fn readline(reader: &mut BufRead, line: &str, args: &[String]) -> String {
[INFO] [stderr]    |                          ^^^^^^^ help: use `dyn`: `dyn BufRead`
[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/main.rs:105:18
[INFO] [stderr]     |
[INFO] [stderr] 105 |     reader: &mut BufRead,
[INFO] [stderr]     |                  ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.53s
[INFO] running `"docker" "inspect" "6c89f8532b64b99dff29e893770ab6e416aa0eba09de22001d2c2f4aa7a246b0"`
[INFO] running `"docker" "rm" "-f" "6c89f8532b64b99dff29e893770ab6e416aa0eba09de22001d2c2f4aa7a246b0"`
[INFO] [stdout] 6c89f8532b64b99dff29e893770ab6e416aa0eba09de22001d2c2f4aa7a246b0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/yeast/0.20.0:/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] f5e0a5974081ff197c61e1737755fb014b6325052e5ef37ce886a7546b7ba79a
[INFO] running `"docker" "start" "-a" "f5e0a5974081ff197c61e1737755fb014b6325052e5ef37ce886a7546b7ba79a"`
[INFO] [stderr]    Compiling yeast v0.20.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:69:26
[INFO] [stderr]    |
[INFO] [stderr] 69 | fn readline(reader: &mut BufRead, line: &str, args: &[String]) -> String {
[INFO] [stderr]    |                          ^^^^^^^ help: use `dyn`: `dyn BufRead`
[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/main.rs:105:18
[INFO] [stderr]     |
[INFO] [stderr] 105 |     reader: &mut BufRead,
[INFO] [stderr]     |                  ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "f5e0a5974081ff197c61e1737755fb014b6325052e5ef37ce886a7546b7ba79a"`
[INFO] running `"docker" "rm" "-f" "f5e0a5974081ff197c61e1737755fb014b6325052e5ef37ce886a7546b7ba79a"`
[INFO] [stdout] f5e0a5974081ff197c61e1737755fb014b6325052e5ef37ce886a7546b7ba79a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/yeast/0.20.0:/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] fa67011feb17f33b0ba6791ad6cf1bd57cd87c579bb018cb5fe165521c1c4900
[INFO] running `"docker" "start" "-a" "fa67011feb17f33b0ba6791ad6cf1bd57cd87c579bb018cb5fe165521c1c4900"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/yeast-3d0eee715d4c121d
[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" "fa67011feb17f33b0ba6791ad6cf1bd57cd87c579bb018cb5fe165521c1c4900"`
[INFO] running `"docker" "rm" "-f" "fa67011feb17f33b0ba6791ad6cf1bd57cd87c579bb018cb5fe165521c1c4900"`
[INFO] [stdout] fa67011feb17f33b0ba6791ad6cf1bd57cd87c579bb018cb5fe165521c1c4900