[INFO] crate kvds 0.2.0 is already in cache
[INFO] testing kvds-0.2.0 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate kvds 0.2.0 into work/builds/worker-2/source
[INFO] validating manifest of crates.io crate kvds 0.2.0 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate kvds 0.2.0
[INFO] finished tweaking crates.io crate kvds 0.2.0
[INFO] tweaked toml for crates.io crate kvds 0.2.0 written to work/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate kvds 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] bec0edd8a12c7075090c33e572b5767c450c7423356c199ffd7dba11bf1dfdc3
[INFO] running `"docker" "start" "-a" "bec0edd8a12c7075090c33e572b5767c450c7423356c199ffd7dba11bf1dfdc3"`
[INFO] [stderr]    Compiling kvds v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `"docker" "inspect" "bec0edd8a12c7075090c33e572b5767c450c7423356c199ffd7dba11bf1dfdc3"`
[INFO] running `"docker" "rm" "-f" "bec0edd8a12c7075090c33e572b5767c450c7423356c199ffd7dba11bf1dfdc3"`
[INFO] [stdout] bec0edd8a12c7075090c33e572b5767c450c7423356c199ffd7dba11bf1dfdc3
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] d2e9a860f4d70a82b41918bec290f5557687f76a598e73ea6d4e26b95fbfe99f
[INFO] running `"docker" "start" "-a" "d2e9a860f4d70a82b41918bec290f5557687f76a598e73ea6d4e26b95fbfe99f"`
[INFO] [stderr]    Compiling kvds v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `"docker" "inspect" "d2e9a860f4d70a82b41918bec290f5557687f76a598e73ea6d4e26b95fbfe99f"`
[INFO] running `"docker" "rm" "-f" "d2e9a860f4d70a82b41918bec290f5557687f76a598e73ea6d4e26b95fbfe99f"`
[INFO] [stdout] d2e9a860f4d70a82b41918bec290f5557687f76a598e73ea6d4e26b95fbfe99f
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] e53bbfd2ca1649abfb6bed3e51df2cceee0e85348c9d93ab4fbf42ef64d949b2
[INFO] running `"docker" "start" "-a" "e53bbfd2ca1649abfb6bed3e51df2cceee0e85348c9d93ab4fbf42ef64d949b2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/kvds-fdceb5635d6ef213
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::encode_decode ... ok
[INFO] [stdout] test tests::encode_decode_large ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests kvds
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/encode_to_file.rs - encode_to_file::encode_to_file (line 16) ... FAILED
[INFO] [stdout] test src/decode_from_file.rs - decode_from_file::decode_from_file (line 16) ... ok
[INFO] [stdout] test src/encode.rs - encode::encode (line 11) ... ok
[INFO] [stdout] test src/decode.rs - decode::decode (line 12) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/encode_to_file.rs - encode_to_file::encode_to_file (line 16) stdout ----
[INFO] [stdout] Test executable failed (exit code 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: IOError(Os { code: 30, kind: Other, message: "Read-only file system" })
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/encode_to_file.rs - encode_to_file::encode_to_file (line 16)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "e53bbfd2ca1649abfb6bed3e51df2cceee0e85348c9d93ab4fbf42ef64d949b2"`
[INFO] running `"docker" "rm" "-f" "e53bbfd2ca1649abfb6bed3e51df2cceee0e85348c9d93ab4fbf42ef64d949b2"`
[INFO] [stdout] e53bbfd2ca1649abfb6bed3e51df2cceee0e85348c9d93ab4fbf42ef64d949b2