[INFO] fetching crate word2vec 0.3.3...
[INFO] checking word2vec-0.3.3 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate word2vec 0.3.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate word2vec 0.3.3 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate word2vec 0.3.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate word2vec 0.3.3
[INFO] tweaked toml for crates.io crate word2vec 0.3.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate word2vec 0.3.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c38ffa44c2391a0f93371f0d242b7791123c4c79c7703abeed2f9f29cbf2b199
[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" "c38ffa44c2391a0f93371f0d242b7791123c4c79c7703abeed2f9f29cbf2b199", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c38ffa44c2391a0f93371f0d242b7791123c4c79c7703abeed2f9f29cbf2b199", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c38ffa44c2391a0f93371f0d242b7791123c4c79c7703abeed2f9f29cbf2b199", kill_on_drop: false }`
[INFO] [stdout] c38ffa44c2391a0f93371f0d242b7791123c4c79c7703abeed2f9f29cbf2b199
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fadb5bb04bfa78146a861958695f6b73fa4e2fb4aa79d0a6f943b679e2b6ee96
[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" "fadb5bb04bfa78146a861958695f6b73fa4e2fb4aa79d0a6f943b679e2b6ee96", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking word2vec v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:21:51
[INFO] [stdout]    |
[INFO] [stdout] 21 |             Word2VecError::Decode(ref err) => err.description(),
[INFO] [stdout]    |                                                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:21:51
[INFO] [stdout]    |
[INFO] [stdout] 21 |             Word2VecError::Decode(ref err) => err.description(),
[INFO] [stdout]    |                                                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:22:47
[INFO] [stdout]    |
[INFO] [stdout] 22 |             Word2VecError::Io(ref err) => err.description(),
[INFO] [stdout]    |                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:22:47
[INFO] [stdout]    |
[INFO] [stdout] 22 |             Word2VecError::Io(ref err) => err.description(),
[INFO] [stdout]    |                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "fadb5bb04bfa78146a861958695f6b73fa4e2fb4aa79d0a6f943b679e2b6ee96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fadb5bb04bfa78146a861958695f6b73fa4e2fb4aa79d0a6f943b679e2b6ee96", kill_on_drop: false }`
[INFO] [stdout] fadb5bb04bfa78146a861958695f6b73fa4e2fb4aa79d0a6f943b679e2b6ee96