[INFO] crate xbdm 0.1.0-alpha is already in cache
[INFO] extracting crate xbdm 0.1.0-alpha into work/ex/beta-1.38-1/sources/1.37.0/reg/xbdm/0.1.0-alpha
[INFO] extracting crate xbdm 0.1.0-alpha into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/xbdm/0.1.0-alpha
[INFO] validating manifest of xbdm-0.1.0-alpha 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 xbdm-0.1.0-alpha 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 xbdm-0.1.0-alpha
[INFO] finished frobbing xbdm-0.1.0-alpha
[INFO] frobbed toml for xbdm-0.1.0-alpha written to work/ex/beta-1.38-1/sources/1.37.0/reg/xbdm/0.1.0-alpha/Cargo.toml
[INFO] started frobbing xbdm-0.1.0-alpha
[INFO] finished frobbing xbdm-0.1.0-alpha
[INFO] frobbed toml for xbdm-0.1.0-alpha written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/xbdm/0.1.0-alpha/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] 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 xbdm-0.1.0-alpha 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/xbdm/0.1.0-alpha:/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] b9de4aad8dd6d1e3fc3f7e5c4568a9a97355fbf65b00300a9070c09657d44481
[INFO] running `"docker" "start" "-a" "b9de4aad8dd6d1e3fc3f7e5c4568a9a97355fbf65b00300a9070c09657d44481"`
[INFO] [stderr]    Compiling xbdm v0.1.0-alpha (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:43:27
[INFO] [stderr]    |
[INFO] [stderr] 43 |         where E: Into<Box<error::Error + Send + Sync>>, C: Into<String>
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error + Send + Sync`
[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/error.rs:99:32
[INFO] [stderr]    |
[INFO] [stderr] 99 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Take`
[INFO] [stderr]   --> src/client.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     Take(io::Take<S>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Give`
[INFO] [stderr]   --> src/client.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     Give(Give<S>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/client.rs:330:5
[INFO] [stderr]     |
[INFO] [stderr] 330 |     pub fn new(inner: T, limit: u64) -> Give<T> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "b9de4aad8dd6d1e3fc3f7e5c4568a9a97355fbf65b00300a9070c09657d44481"`
[INFO] running `"docker" "rm" "-f" "b9de4aad8dd6d1e3fc3f7e5c4568a9a97355fbf65b00300a9070c09657d44481"`
[INFO] [stdout] b9de4aad8dd6d1e3fc3f7e5c4568a9a97355fbf65b00300a9070c09657d44481
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/xbdm/0.1.0-alpha:/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] 851cae2797f3595daf705ea338c92d6a8932c88efb1cfe19f4267bf5330bf1c0
[INFO] running `"docker" "start" "-a" "851cae2797f3595daf705ea338c92d6a8932c88efb1cfe19f4267bf5330bf1c0"`
[INFO] [stderr]    Compiling xbdm v0.1.0-alpha (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:43:27
[INFO] [stderr]    |
[INFO] [stderr] 43 |         where E: Into<Box<error::Error + Send + Sync>>, C: Into<String>
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error + Send + Sync`
[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/error.rs:99:32
[INFO] [stderr]    |
[INFO] [stderr] 99 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Take`
[INFO] [stderr]   --> src/client.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     Take(io::Take<S>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Give`
[INFO] [stderr]   --> src/client.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     Give(Give<S>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/client.rs:330:5
[INFO] [stderr]     |
[INFO] [stderr] 330 |     pub fn new(inner: T, limit: u64) -> Give<T> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "851cae2797f3595daf705ea338c92d6a8932c88efb1cfe19f4267bf5330bf1c0"`
[INFO] running `"docker" "rm" "-f" "851cae2797f3595daf705ea338c92d6a8932c88efb1cfe19f4267bf5330bf1c0"`
[INFO] [stdout] 851cae2797f3595daf705ea338c92d6a8932c88efb1cfe19f4267bf5330bf1c0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/xbdm/0.1.0-alpha:/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] 3762459bf1be860b7b363d7e2a1cf2e3333d1c8c39f29dfc233afc7e52a647f2
[INFO] running `"docker" "start" "-a" "3762459bf1be860b7b363d7e2a1cf2e3333d1c8c39f29dfc233afc7e52a647f2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/xbdm-d4758e759baee756
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test client::test_read_response ... ok
[INFO] [stderr]    Doc-tests xbdm
[INFO] [stdout] test client::test_dot_reader ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "3762459bf1be860b7b363d7e2a1cf2e3333d1c8c39f29dfc233afc7e52a647f2"`
[INFO] running `"docker" "rm" "-f" "3762459bf1be860b7b363d7e2a1cf2e3333d1c8c39f29dfc233afc7e52a647f2"`
[INFO] [stdout] 3762459bf1be860b7b363d7e2a1cf2e3333d1c8c39f29dfc233afc7e52a647f2