[INFO] crate git-testament-derive 0.1.7 is already in cache
[INFO] extracting crate git-testament-derive 0.1.7 into work/ex/beta-1.38-1/sources/1.37.0/reg/git-testament-derive/0.1.7
[INFO] extracting crate git-testament-derive 0.1.7 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/git-testament-derive/0.1.7
[INFO] validating manifest of git-testament-derive-0.1.7 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 git-testament-derive-0.1.7 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 git-testament-derive-0.1.7
[INFO] finished frobbing git-testament-derive-0.1.7
[INFO] frobbed toml for git-testament-derive-0.1.7 written to work/ex/beta-1.38-1/sources/1.37.0/reg/git-testament-derive/0.1.7/Cargo.toml
[INFO] started frobbing git-testament-derive-0.1.7
[INFO] finished frobbing git-testament-derive-0.1.7
[INFO] frobbed toml for git-testament-derive-0.1.7 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/git-testament-derive/0.1.7/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] [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] [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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing git-testament-derive-0.1.7 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-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/git-testament-derive/0.1.7:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] a4bbe623f0dec78c5e76198a4a2ef0cdd6ea778e73705c566988de88fdeb3b52
[INFO] running `"docker" "start" "-a" "a4bbe623f0dec78c5e76198a4a2ef0cdd6ea778e73705c566988de88fdeb3b52"`
[INFO] [stderr]    Compiling git-testament-derive v0.1.7 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:31:63
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn run_git<GD>(dir: GD, args: &[&str]) -> Result<Vec<u8>, 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] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:47:42
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn find_git_dir() -> Result<PathBuf, Box<Error>> {
[INFO] [stderr]    |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:58:85
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn revparse_single(git_dir: &Path, refname: &str) -> Result<(String, i64, i32), Box<Error>> {
[INFO] [stderr]    |                                                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:103:58
[INFO] [stderr]     |
[INFO] [stderr] 103 | fn branch_name(dir: &Path) -> Result<Option<String>, Box<Error>> {
[INFO] [stderr]     |                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:119:58
[INFO] [stderr]     |
[INFO] [stderr] 119 | fn describe(dir: &Path, sha: &str) -> Result<String, Box<Error>> {
[INFO] [stderr]     |                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:141:55
[INFO] [stderr]     |
[INFO] [stderr] 141 | fn status(dir: &Path) -> Result<Vec<StatusEntry>, Box<Error>> {
[INFO] [stderr]     |                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.75s
[INFO] running `"docker" "inspect" "a4bbe623f0dec78c5e76198a4a2ef0cdd6ea778e73705c566988de88fdeb3b52"`
[INFO] running `"docker" "rm" "-f" "a4bbe623f0dec78c5e76198a4a2ef0cdd6ea778e73705c566988de88fdeb3b52"`
[INFO] [stdout] a4bbe623f0dec78c5e76198a4a2ef0cdd6ea778e73705c566988de88fdeb3b52
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/git-testament-derive/0.1.7:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7b2b8f1870d59d5e7d653cc5854088216a4051483881a57c6706747d37640e22
[INFO] running `"docker" "start" "-a" "7b2b8f1870d59d5e7d653cc5854088216a4051483881a57c6706747d37640e22"`
[INFO] [stderr]    Compiling git-testament-derive v0.1.7
[INFO] [stderr]    Compiling git-testament v0.1.6
[INFO] [stderr]    Compiling git-testament-derive v0.1.7 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:31:63
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn run_git<GD>(dir: GD, args: &[&str]) -> Result<Vec<u8>, 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] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:47:42
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn find_git_dir() -> Result<PathBuf, Box<Error>> {
[INFO] [stderr]    |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:58:85
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn revparse_single(git_dir: &Path, refname: &str) -> Result<(String, i64, i32), Box<Error>> {
[INFO] [stderr]    |                                                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:103:58
[INFO] [stderr]     |
[INFO] [stderr] 103 | fn branch_name(dir: &Path) -> Result<Option<String>, Box<Error>> {
[INFO] [stderr]     |                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:119:58
[INFO] [stderr]     |
[INFO] [stderr] 119 | fn describe(dir: &Path, sha: &str) -> Result<String, Box<Error>> {
[INFO] [stderr]     |                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:141:55
[INFO] [stderr]     |
[INFO] [stderr] 141 | fn status(dir: &Path) -> Result<Vec<StatusEntry>, Box<Error>> {
[INFO] [stderr]     |                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.59s
[INFO] running `"docker" "inspect" "7b2b8f1870d59d5e7d653cc5854088216a4051483881a57c6706747d37640e22"`
[INFO] running `"docker" "rm" "-f" "7b2b8f1870d59d5e7d653cc5854088216a4051483881a57c6706747d37640e22"`
[INFO] [stdout] 7b2b8f1870d59d5e7d653cc5854088216a4051483881a57c6706747d37640e22
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/git-testament-derive/0.1.7:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 73db5b1ab7ee0ec04aa604a7dce44601e670d0626e10824067464b535c55b666
[INFO] running `"docker" "start" "-a" "73db5b1ab7ee0ec04aa604a7dce44601e670d0626e10824067464b535c55b666"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/git_testament_derive-e5f704c6c62cdfe8
[INFO] [stderr]    Doc-tests git-testament-derive
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - git_testament (line 194) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "73db5b1ab7ee0ec04aa604a7dce44601e670d0626e10824067464b535c55b666"`
[INFO] running `"docker" "rm" "-f" "73db5b1ab7ee0ec04aa604a7dce44601e670d0626e10824067464b535c55b666"`
[INFO] [stdout] 73db5b1ab7ee0ec04aa604a7dce44601e670d0626e10824067464b535c55b666