[INFO] cloning repository https://github.com/stevepryde/kevlar-example
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stevepryde/kevlar-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevepryde%2Fkevlar-example"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevepryde%2Fkevlar-example'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bfa920488c1b2f3ed568f6979cb45db53fa5b9ff
[INFO] checking stevepryde/kevlar-example against try#e60d9e09c55855f5a848fde8ad83e13131a5b241 for pr-68350
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevepryde%2Fkevlar-example" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stevepryde/kevlar-example on toolchain e60d9e09c55855f5a848fde8ad83e13131a5b241
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/stevepryde/kevlar-example
[INFO] removed path dependency kevlar from git repo https://github.com/stevepryde/kevlar-example
[INFO] removed path dependency thirtyfour from git repo https://github.com/stevepryde/kevlar-example
[INFO] finished tweaking git repo https://github.com/stevepryde/kevlar-example
[INFO] tweaked toml for git repo https://github.com/stevepryde/kevlar-example written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/stevepryde/kevlar-example already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: dependency (kevlar) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: dependency (thirtyfour) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-1/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: dependency (kevlar) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: dependency (thirtyfour) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kevlar v0.1.2
[INFO] [stderr]   Downloaded thirtyfour v0.3.3
[INFO] [stderr]   Downloaded fantoccini v0.12.0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0ab90420349f47015c6e5227b608ff5b40ca91ad9ed34e7199b7fc84f6daae00
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "0ab90420349f47015c6e5227b608ff5b40ca91ad9ed34e7199b7fc84f6daae00"`
[INFO] [stderr] warning: dependency (kevlar) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: dependency (thirtyfour) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Checking urlparse v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.3
[INFO] [stderr]    Compiling serde_repr v0.1.5
[INFO] [stderr]    Compiling async-trait v0.1.22
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking headers-core v0.1.1
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking tokio-reactor v0.1.11
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking headers v0.2.3
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio v0.2.10
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking hyper v0.13.1
[INFO] [stderr]     Checking serde_json v1.0.45
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking warp v0.1.20
[INFO] [stderr]     Checking reqwest v0.10.1
[INFO] [stderr]     Checking fern v0.5.9
[INFO] [stderr]     Checking kevlar v0.1.2
[INFO] [stderr]     Checking thirtyfour v0.3.3
[INFO] [stderr]     Checking webdriver v0.40.2
[INFO] [stderr] error[E0277]: the trait bound `for<'de> !: error::_IMPL_DESERIALIZE_FOR_WebDriverErrorValue::_serde::Deserialize<'de>` is not satisfied
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/thirtyfour-0.3.3/src/connection_async.rs:61:22
[INFO] [stderr]    |
[INFO] [stderr] 61 |                 resp.json()
[INFO] [stderr]    |                      ^^^^ the trait `for<'de> error::_IMPL_DESERIALIZE_FOR_WebDriverErrorValue::_serde::Deserialize<'de>` is not implemented for `!`
[INFO] [stderr]    |
[INFO] [stderr]    = note: the trait is implemented for `()`. Possibly this error has been caused by changes to Rust's type-inference algorithm (see: https://github.com/rust-lang/rust/issues/48950 for more info). Consider whether you meant to use the type `()` here instead.
[INFO] [stderr]    = note: required because of the requirements on the impl of `error::_IMPL_DESERIALIZE_FOR_WebDriverErrorValue::_serde::de::DeserializeOwned` for `!`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `thirtyfour`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "0ab90420349f47015c6e5227b608ff5b40ca91ad9ed34e7199b7fc84f6daae00"`
[INFO] running `"docker" "rm" "-f" "0ab90420349f47015c6e5227b608ff5b40ca91ad9ed34e7199b7fc84f6daae00"`
[INFO] [stdout] 0ab90420349f47015c6e5227b608ff5b40ca91ad9ed34e7199b7fc84f6daae00