[INFO] crate caf 0.1.0 is already in cache
[INFO] extracting crate caf 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/caf/0.1.0
[INFO] extracting crate caf 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/caf/0.1.0
[INFO] validating manifest of caf-0.1.0 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 caf-0.1.0 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 caf-0.1.0
[INFO] finished frobbing caf-0.1.0
[INFO] frobbed toml for caf-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/caf/0.1.0/Cargo.toml
[INFO] started frobbing caf-0.1.0
[INFO] finished frobbing caf-0.1.0
[INFO] frobbed toml for caf-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/caf/0.1.0/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing caf-0.1.0 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-4/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/caf/0.1.0:/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] 72e1a0cb8b9df57cd8b0daed254c4298b7b27d7d5ee84fcee9f53339e8f63bf1
[INFO] running `"docker" "start" "-a" "72e1a0cb8b9df57cd8b0daed254c4298b7b27d7d5ee84fcee9f53339e8f63bf1"`
[INFO] [stderr]    Compiling caf v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:48:29
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn cause(&self) -> Option<&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/error.rs:51:33
[INFO] [stderr]    |
[INFO] [stderr] 51 |             &Io(ref err) => Some(err as &Error),
[INFO] [stderr]    |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:52:39
[INFO] [stderr]    |
[INFO] [stderr] 52 |             &FromUtf8(ref err) => Some(err as &Error),
[INFO] [stderr]    |                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `ReadBytesExt` is imported redundantly
[INFO] [stderr]    --> src/lib.rs:339:20
[INFO] [stderr]     |
[INFO] [stderr] 32  | use byteorder::{BigEndian as Be, ReadBytesExt};
[INFO] [stderr]     |                                  ------------ the item `ReadBytesExt` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 339 |             use byteorder::{ReadBytesExt, BigEndian};
[INFO] [stderr]     |                             ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "72e1a0cb8b9df57cd8b0daed254c4298b7b27d7d5ee84fcee9f53339e8f63bf1"`
[INFO] running `"docker" "rm" "-f" "72e1a0cb8b9df57cd8b0daed254c4298b7b27d7d5ee84fcee9f53339e8f63bf1"`
[INFO] [stdout] 72e1a0cb8b9df57cd8b0daed254c4298b7b27d7d5ee84fcee9f53339e8f63bf1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/caf/0.1.0:/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] d130999beb589a5e248197b1025931ccade3736defa065be55d889a787976636
[INFO] running `"docker" "start" "-a" "d130999beb589a5e248197b1025931ccade3736defa065be55d889a787976636"`
[INFO] [stderr]    Compiling caf v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:48:29
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn cause(&self) -> Option<&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/error.rs:51:33
[INFO] [stderr]    |
[INFO] [stderr] 51 |             &Io(ref err) => Some(err as &Error),
[INFO] [stderr]    |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:52:39
[INFO] [stderr]    |
[INFO] [stderr] 52 |             &FromUtf8(ref err) => Some(err as &Error),
[INFO] [stderr]    |                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `ReadBytesExt` is imported redundantly
[INFO] [stderr]    --> src/lib.rs:339:20
[INFO] [stderr]     |
[INFO] [stderr] 32  | use byteorder::{BigEndian as Be, ReadBytesExt};
[INFO] [stderr]     |                                  ------------ the item `ReadBytesExt` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 339 |             use byteorder::{ReadBytesExt, BigEndian};
[INFO] [stderr]     |                             ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `"docker" "inspect" "d130999beb589a5e248197b1025931ccade3736defa065be55d889a787976636"`
[INFO] running `"docker" "rm" "-f" "d130999beb589a5e248197b1025931ccade3736defa065be55d889a787976636"`
[INFO] [stdout] d130999beb589a5e248197b1025931ccade3736defa065be55d889a787976636
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/caf/0.1.0:/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] bf0bd1cccaabcda403578e3a7eb574080cc5ca63a0cef3ee3f85a1eadc3a08c1
[INFO] running `"docker" "start" "-a" "bf0bd1cccaabcda403578e3a7eb574080cc5ca63a0cef3ee3f85a1eadc3a08c1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/caf-065c198b17e0b527
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests caf
[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 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" "bf0bd1cccaabcda403578e3a7eb574080cc5ca63a0cef3ee3f85a1eadc3a08c1"`
[INFO] running `"docker" "rm" "-f" "bf0bd1cccaabcda403578e3a7eb574080cc5ca63a0cef3ee3f85a1eadc3a08c1"`
[INFO] [stdout] bf0bd1cccaabcda403578e3a7eb574080cc5ca63a0cef3ee3f85a1eadc3a08c1