[INFO] cloning repository https://github.com/markcol/leveldb-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/markcol/leveldb-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarkcol%2Fleveldb-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarkcol%2Fleveldb-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3600b1eecb9467c852dc4cfbde8d4c99203cfcc8
[INFO] testing markcol/leveldb-rs against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarkcol%2Fleveldb-rs" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/markcol/leveldb-rs 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 git repo https://github.com/markcol/leveldb-rs
[INFO] finished tweaking git repo https://github.com/markcol/leveldb-rs
[INFO] tweaked toml for git repo https://github.com/markcol/leveldb-rs written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/markcol/leveldb-rs 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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stdout] 221ece4ef6137bed688228b67f558722345fe526309f2afca31bfeb8de2f7fae
[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" "221ece4ef6137bed688228b67f558722345fe526309f2afca31bfeb8de2f7fae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "221ece4ef6137bed688228b67f558722345fe526309f2afca31bfeb8de2f7fae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "221ece4ef6137bed688228b67f558722345fe526309f2afca31bfeb8de2f7fae", kill_on_drop: false }`
[INFO] [stdout] 221ece4ef6137bed688228b67f558722345fe526309f2afca31bfeb8de2f7fae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9ea37ac79d344f4efa2f05111234ec2db9d03d981a8ec3ada02ce23c438042f6
[INFO] running `Command { std: "docker" "start" "-a" "9ea37ac79d344f4efa2f05111234ec2db9d03d981a8ec3ada02ce23c438042f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.8
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling regex-syntax v0.5.3
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling structopt-derive v0.2.5
[INFO] [stderr]    Compiling env_logger v0.5.6
[INFO] [stderr]    Compiling structopt v0.2.5
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling leveldb-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage/mod.rs:111:28
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn lock(&self) -> Result<&Locker, Error>;
[INFO] [stdout]     |                               ^^^^^^ help: use `dyn`: `dyn Locker`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage/mod.rs:136:42
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn open<'a>(fd: FileDesc) -> Result<&'a Reader, Error>;
[INFO] [stdout]     |                                             ^^^^^^ help: use `dyn`: `dyn Reader`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage/mod.rs:141:44
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn create<'a>(fd: FileDesc) -> Result<&'a Writer, Error>;
[INFO] [stdout]     |                                               ^^^^^^ help: use `dyn`: `dyn Writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.04s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9ea37ac79d344f4efa2f05111234ec2db9d03d981a8ec3ada02ce23c438042f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ea37ac79d344f4efa2f05111234ec2db9d03d981a8ec3ada02ce23c438042f6", kill_on_drop: false }`
[INFO] [stdout] 9ea37ac79d344f4efa2f05111234ec2db9d03d981a8ec3ada02ce23c438042f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 59df9fe0374a8c8a4dc96a13158503df7d2db8a387f797bf347308d1e0c39aef
[INFO] running `Command { std: "docker" "start" "-a" "59df9fe0374a8c8a4dc96a13158503df7d2db8a387f797bf347308d1e0c39aef", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling leveldb-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage/mod.rs:111:28
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn lock(&self) -> Result<&Locker, Error>;
[INFO] [stdout]     |                               ^^^^^^ help: use `dyn`: `dyn Locker`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage/mod.rs:136:42
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn open<'a>(fd: FileDesc) -> Result<&'a Reader, Error>;
[INFO] [stdout]     |                                             ^^^^^^ help: use `dyn`: `dyn Reader`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage/mod.rs:141:44
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn create<'a>(fd: FileDesc) -> Result<&'a Writer, Error>;
[INFO] [stdout]     |                                               ^^^^^^ help: use `dyn`: `dyn Writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `Command { std: "docker" "inspect" "59df9fe0374a8c8a4dc96a13158503df7d2db8a387f797bf347308d1e0c39aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59df9fe0374a8c8a4dc96a13158503df7d2db8a387f797bf347308d1e0c39aef", kill_on_drop: false }`
[INFO] [stdout] 59df9fe0374a8c8a4dc96a13158503df7d2db8a387f797bf347308d1e0c39aef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] f44f339a257ec1fd6b38a3a0139176a13b095eaf632a983a34436a39d75cfba7
[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" "f44f339a257ec1fd6b38a3a0139176a13b095eaf632a983a34436a39d75cfba7", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/storage/mod.rs:111:28
[INFO] [stderr]     |
[INFO] [stderr] 111 |     fn lock(&self) -> Result<&Locker, Error>;
[INFO] [stderr]     |                               ^^^^^^ help: use `dyn`: `dyn Locker`
[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/storage/mod.rs:136:42
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn open<'a>(fd: FileDesc) -> Result<&'a Reader, Error>;
[INFO] [stderr]     |                                             ^^^^^^ help: use `dyn`: `dyn Reader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/storage/mod.rs:141:44
[INFO] [stderr]     |
[INFO] [stderr] 141 |     fn create<'a>(fd: FileDesc) -> Result<&'a Writer, Error>;
[INFO] [stderr]     |                                               ^^^^^^ help: use `dyn`: `dyn Writer`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/leveldb_rs-5e4bd40a58d758f5
[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 `Command { std: "docker" "inspect" "f44f339a257ec1fd6b38a3a0139176a13b095eaf632a983a34436a39d75cfba7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f44f339a257ec1fd6b38a3a0139176a13b095eaf632a983a34436a39d75cfba7", kill_on_drop: false }`
[INFO] [stdout] f44f339a257ec1fd6b38a3a0139176a13b095eaf632a983a34436a39d75cfba7