[INFO] fetching crate kvds 0.2.0...
[INFO] testing kvds-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate kvds 0.2.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate kvds 0.2.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate kvds 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2cdc45f7cfce98479425b2b3653ca10e1f6bacd26d23175f03cfb25dacd48128
[INFO] running `Command { std: "docker" "start" "-a" "2cdc45f7cfce98479425b2b3653ca10e1f6bacd26d23175f03cfb25dacd48128", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cdc45f7cfce98479425b2b3653ca10e1f6bacd26d23175f03cfb25dacd48128", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cdc45f7cfce98479425b2b3653ca10e1f6bacd26d23175f03cfb25dacd48128", kill_on_drop: false }`
[INFO] [stdout] 2cdc45f7cfce98479425b2b3653ca10e1f6bacd26d23175f03cfb25dacd48128
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6cec2f20f36cf1809e335fcedc09f6d23fece77ee13b2c88d43f0876c123627
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e6cec2f20f36cf1809e335fcedc09f6d23fece77ee13b2c88d43f0876c123627", kill_on_drop: false }`
[INFO] [stderr]    Compiling kvds v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "e6cec2f20f36cf1809e335fcedc09f6d23fece77ee13b2c88d43f0876c123627", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6cec2f20f36cf1809e335fcedc09f6d23fece77ee13b2c88d43f0876c123627", kill_on_drop: false }`
[INFO] [stdout] e6cec2f20f36cf1809e335fcedc09f6d23fece77ee13b2c88d43f0876c123627
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0eeb706f43a70ea9ef9644de2cd8cf913a68b79cdf542fce2a0e1b1c9f0c54f1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0eeb706f43a70ea9ef9644de2cd8cf913a68b79cdf542fce2a0e1b1c9f0c54f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling kvds v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "0eeb706f43a70ea9ef9644de2cd8cf913a68b79cdf542fce2a0e1b1c9f0c54f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eeb706f43a70ea9ef9644de2cd8cf913a68b79cdf542fce2a0e1b1c9f0c54f1", kill_on_drop: false }`
[INFO] [stdout] 0eeb706f43a70ea9ef9644de2cd8cf913a68b79cdf542fce2a0e1b1c9f0c54f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4b58fd1500d0fcd2e7bf4d81ebaf2ae27d35fa8770dfbe2d365f2e77fb9ee0d2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4b58fd1500d0fcd2e7bf4d81ebaf2ae27d35fa8770dfbe2d365f2e77fb9ee0d2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/kvds-5b76379afd71c2d5
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::encode_decode ... ok
[INFO] [stderr]    Doc-tests kvds
[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] [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 `Command { std: "docker" "inspect" "4b58fd1500d0fcd2e7bf4d81ebaf2ae27d35fa8770dfbe2d365f2e77fb9ee0d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b58fd1500d0fcd2e7bf4d81ebaf2ae27d35fa8770dfbe2d365f2e77fb9ee0d2", kill_on_drop: false }`
[INFO] [stdout] 4b58fd1500d0fcd2e7bf4d81ebaf2ae27d35fa8770dfbe2d365f2e77fb9ee0d2