[INFO] crate zaif-api 0.5.0 is already in cache
[INFO] extracting crate zaif-api 0.5.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/zaif-api/0.5.0
[INFO] extracting crate zaif-api 0.5.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/zaif-api/0.5.0
[INFO] validating manifest of zaif-api-0.5.0 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 zaif-api-0.5.0 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 zaif-api-0.5.0
[INFO] finished frobbing zaif-api-0.5.0
[INFO] frobbed toml for zaif-api-0.5.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/zaif-api/0.5.0/Cargo.toml
[INFO] started frobbing zaif-api-0.5.0
[INFO] finished frobbing zaif-api-0.5.0
[INFO] frobbed toml for zaif-api-0.5.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/zaif-api/0.5.0/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] [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 zaif-api-0.5.0 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/zaif-api/0.5.0:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] cb11442146b1d7546fc4989448deb12c9ffa5abda9acf46af1c0d44d5cd33273
[INFO] running `"docker" "start" "-a" "cb11442146b1d7546fc4989448deb12c9ffa5abda9acf46af1c0d44d5cd33273"`
[INFO] [stderr]    Compiling want v0.0.4
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling hyper v0.11.27
[INFO] [stderr]    Compiling tokio-tls v0.1.4
[INFO] [stderr]    Compiling hyper-tls v0.1.4
[INFO] [stderr]    Compiling reqwest v0.8.8
[INFO] [stderr]    Compiling zaif-api v0.5.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::error::Error as StdError`
[INFO] [stderr]  --> src/error.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::error::Error as StdError;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.60s
[INFO] running `"docker" "inspect" "cb11442146b1d7546fc4989448deb12c9ffa5abda9acf46af1c0d44d5cd33273"`
[INFO] running `"docker" "rm" "-f" "cb11442146b1d7546fc4989448deb12c9ffa5abda9acf46af1c0d44d5cd33273"`
[INFO] [stdout] cb11442146b1d7546fc4989448deb12c9ffa5abda9acf46af1c0d44d5cd33273
[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/zaif-api/0.5.0:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 15d4da4faccbe3f9dae95d13175a16748b6eaafa65f16679963505f0c1a84d6e
[INFO] running `"docker" "start" "-a" "15d4da4faccbe3f9dae95d13175a16748b6eaafa65f16679963505f0c1a84d6e"`
[INFO] [stderr]    Compiling zaif-api v0.5.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::error::Error as StdError`
[INFO] [stderr]  --> src/error.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::error::Error as StdError;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.15s
[INFO] running `"docker" "inspect" "15d4da4faccbe3f9dae95d13175a16748b6eaafa65f16679963505f0c1a84d6e"`
[INFO] running `"docker" "rm" "-f" "15d4da4faccbe3f9dae95d13175a16748b6eaafa65f16679963505f0c1a84d6e"`
[INFO] [stdout] 15d4da4faccbe3f9dae95d13175a16748b6eaafa65f16679963505f0c1a84d6e
[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/zaif-api/0.5.0:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] fdabb8171e935827fc7553b6483e574d96ebf12e142f13af3e6f70832564f7b1
[INFO] running `"docker" "start" "-a" "fdabb8171e935827fc7553b6483e574d96ebf12e142f13af3e6f70832564f7b1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/zaif_api-7fad2e429f6bc1d8
[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 zaif-api
[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" "fdabb8171e935827fc7553b6483e574d96ebf12e142f13af3e6f70832564f7b1"`
[INFO] running `"docker" "rm" "-f" "fdabb8171e935827fc7553b6483e574d96ebf12e142f13af3e6f70832564f7b1"`
[INFO] [stdout] fdabb8171e935827fc7553b6483e574d96ebf12e142f13af3e6f70832564f7b1