[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 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 5bd447d5dc34ac117d4f4d9c938b8ac4cb6a3e2f77633e4396ad25d52f902f4e
[INFO] running `"docker" "start" "-a" "5bd447d5dc34ac117d4f4d9c938b8ac4cb6a3e2f77633e4396ad25d52f902f4e"`
[INFO] [stderr]    Compiling caf v0.1.0 (/opt/crater/workdir)
[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 1.07s
[INFO] running `"docker" "inspect" "5bd447d5dc34ac117d4f4d9c938b8ac4cb6a3e2f77633e4396ad25d52f902f4e"`
[INFO] running `"docker" "rm" "-f" "5bd447d5dc34ac117d4f4d9c938b8ac4cb6a3e2f77633e4396ad25d52f902f4e"`
[INFO] [stdout] 5bd447d5dc34ac117d4f4d9c938b8ac4cb6a3e2f77633e4396ad25d52f902f4e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 47dee56e9a1a6698767800704c4aee21d451954c6c63dccf132c070e53c468c7
[INFO] running `"docker" "start" "-a" "47dee56e9a1a6698767800704c4aee21d451954c6c63dccf132c070e53c468c7"`
[INFO] [stderr]    Compiling caf v0.1.0 (/opt/crater/workdir)
[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 1.46s
[INFO] running `"docker" "inspect" "47dee56e9a1a6698767800704c4aee21d451954c6c63dccf132c070e53c468c7"`
[INFO] running `"docker" "rm" "-f" "47dee56e9a1a6698767800704c4aee21d451954c6c63dccf132c070e53c468c7"`
[INFO] [stdout] 47dee56e9a1a6698767800704c4aee21d451954c6c63dccf132c070e53c468c7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 7df07357b558ff5799128e78114069ae1f5771f4dc73e59ebba18c3ad95e044e
[INFO] running `"docker" "start" "-a" "7df07357b558ff5799128e78114069ae1f5771f4dc73e59ebba18c3ad95e044e"`
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/caf-c4a8dd96632f32fd
[INFO] [stderr]    Doc-tests caf
[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" "7df07357b558ff5799128e78114069ae1f5771f4dc73e59ebba18c3ad95e044e"`
[INFO] running `"docker" "rm" "-f" "7df07357b558ff5799128e78114069ae1f5771f4dc73e59ebba18c3ad95e044e"`
[INFO] [stdout] 7df07357b558ff5799128e78114069ae1f5771f4dc73e59ebba18c3ad95e044e