[INFO] crate app_dirs2 2.0.3 is already in cache
[INFO] extracting crate app_dirs2 2.0.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/app_dirs2/2.0.3
[INFO] extracting crate app_dirs2 2.0.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/app_dirs2/2.0.3
[INFO] validating manifest of app_dirs2-2.0.3 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 app_dirs2-2.0.3 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 app_dirs2-2.0.3
[INFO] finished frobbing app_dirs2-2.0.3
[INFO] frobbed toml for app_dirs2-2.0.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/app_dirs2/2.0.3/Cargo.toml
[INFO] started frobbing app_dirs2-2.0.3
[INFO] finished frobbing app_dirs2-2.0.3
[INFO] frobbed toml for app_dirs2-2.0.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/app_dirs2/2.0.3/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] [stderr]     Blocking waiting for file lock on package cache
[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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing app_dirs2-2.0.3 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/app_dirs2/2.0.3:/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] 30776e86c7e8cc6377dbd1ddc6f9de22c4342ff6a702c4d743682f1a7281b4bd
[INFO] running `"docker" "start" "-a" "30776e86c7e8cc6377dbd1ddc6f9de22c4342ff6a702c4d743682f1a7281b4bd"`
[INFO] [stderr]    Compiling app_dirs2 v2.0.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/common.rs:97:32
[INFO] [stderr]    |
[INFO] [stderr] 97 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `"docker" "inspect" "30776e86c7e8cc6377dbd1ddc6f9de22c4342ff6a702c4d743682f1a7281b4bd"`
[INFO] running `"docker" "rm" "-f" "30776e86c7e8cc6377dbd1ddc6f9de22c4342ff6a702c4d743682f1a7281b4bd"`
[INFO] [stdout] 30776e86c7e8cc6377dbd1ddc6f9de22c4342ff6a702c4d743682f1a7281b4bd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/app_dirs2/2.0.3:/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] 9495d8324d7f2412fc99007c8048c682b49b866b05b051feafa4f370fe0cb156
[INFO] running `"docker" "start" "-a" "9495d8324d7f2412fc99007c8048c682b49b866b05b051feafa4f370fe0cb156"`
[INFO] [stderr]    Compiling app_dirs2 v2.0.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/common.rs:97:32
[INFO] [stderr]    |
[INFO] [stderr] 97 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "9495d8324d7f2412fc99007c8048c682b49b866b05b051feafa4f370fe0cb156"`
[INFO] running `"docker" "rm" "-f" "9495d8324d7f2412fc99007c8048c682b49b866b05b051feafa4f370fe0cb156"`
[INFO] [stdout] 9495d8324d7f2412fc99007c8048c682b49b866b05b051feafa4f370fe0cb156
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/app_dirs2/2.0.3:/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] b797554ff8ff50ba38aad3f333cef46400ff4b11a624bc47d28050a31b024a45
[INFO] running `"docker" "start" "-a" "b797554ff8ff50ba38aad3f333cef46400ff4b11a624bc47d28050a31b024a45"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/app_dirs2-64a386889465cadc
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests app_dirs2
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/common.rs - common::AppInfo (line 7) ... ok
[INFO] [stdout] test src/lib.rs -  (line 4) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b797554ff8ff50ba38aad3f333cef46400ff4b11a624bc47d28050a31b024a45"`
[INFO] running `"docker" "rm" "-f" "b797554ff8ff50ba38aad3f333cef46400ff4b11a624bc47d28050a31b024a45"`
[INFO] [stdout] b797554ff8ff50ba38aad3f333cef46400ff4b11a624bc47d28050a31b024a45