[INFO] crate clr 0.2.0 is already in cache
[INFO] extracting crate clr 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/clr/0.2.0
[INFO] extracting crate clr 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/clr/0.2.0
[INFO] validating manifest of clr-0.2.0 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 clr-0.2.0 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 clr-0.2.0
[INFO] finished frobbing clr-0.2.0
[INFO] frobbed toml for clr-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/clr/0.2.0/Cargo.toml
[INFO] started frobbing clr-0.2.0
[INFO] finished frobbing clr-0.2.0
[INFO] frobbed toml for clr-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/clr/0.2.0/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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing clr-0.2.0 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/clr/0.2.0:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] d40cb62944a41e3e930f7480cde7a46662c4c6dc7bc23846d53ff6cfad4b6539
[INFO] running `"docker" "start" "-a" "d40cb62944a41e3e930f7480cde7a46662c4c6dc7bc23846d53ff6cfad4b6539"`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling bstr v0.2.7
[INFO] [stderr]    Compiling csv v1.1.1
[INFO] [stderr]    Compiling clr v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:32:29
[INFO] [stderr]    |
[INFO] [stderr] 32 | 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 6.22s
[INFO] running `"docker" "inspect" "d40cb62944a41e3e930f7480cde7a46662c4c6dc7bc23846d53ff6cfad4b6539"`
[INFO] running `"docker" "rm" "-f" "d40cb62944a41e3e930f7480cde7a46662c4c6dc7bc23846d53ff6cfad4b6539"`
[INFO] [stdout] d40cb62944a41e3e930f7480cde7a46662c4c6dc7bc23846d53ff6cfad4b6539
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/clr/0.2.0:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] aa502d336f8998b27674da31115aa9bbd25889133e2f1f2f3a8a1d0a0a508a99
[INFO] running `"docker" "start" "-a" "aa502d336f8998b27674da31115aa9bbd25889133e2f1f2f3a8a1d0a0a508a99"`
[INFO] [stderr]    Compiling clr v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:32:29
[INFO] [stderr]    |
[INFO] [stderr] 32 | 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 0.40s
[INFO] running `"docker" "inspect" "aa502d336f8998b27674da31115aa9bbd25889133e2f1f2f3a8a1d0a0a508a99"`
[INFO] running `"docker" "rm" "-f" "aa502d336f8998b27674da31115aa9bbd25889133e2f1f2f3a8a1d0a0a508a99"`
[INFO] [stdout] aa502d336f8998b27674da31115aa9bbd25889133e2f1f2f3a8a1d0a0a508a99
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/clr/0.2.0:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] d8c953828fbc213a5da614509797aef09cd7c5d7f86851aec57e5cd819d3f353
[INFO] running `"docker" "start" "-a" "d8c953828fbc213a5da614509797aef09cd7c5d7f86851aec57e5cd819d3f353"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/clr-4d2e61488e4ce41a
[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" "d8c953828fbc213a5da614509797aef09cd7c5d7f86851aec57e5cd819d3f353"`
[INFO] running `"docker" "rm" "-f" "d8c953828fbc213a5da614509797aef09cd7c5d7f86851aec57e5cd819d3f353"`
[INFO] [stdout] d8c953828fbc213a5da614509797aef09cd7c5d7f86851aec57e5cd819d3f353