[INFO] fetching crate varlink-cli 4.2.1...
[INFO] checking varlink-cli-4.2.1 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate varlink-cli 4.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate varlink-cli 4.2.1 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate varlink-cli 4.2.1
[INFO] finished tweaking crates.io crate varlink-cli 4.2.1
[INFO] tweaked toml for crates.io crate varlink-cli 4.2.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded varlink_stdinterfaces v8.0.0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5ded47e9d0289dd8fee3406869b297624f566de520866730d8d85fa036a88a98
[INFO] running `"docker" "start" "-a" "5ded47e9d0289dd8fee3406869b297624f566de520866730d8d85fa036a88a98"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling chainerror v0.4.3
[INFO] [stderr]     Checking varlink v8.1.0
[INFO] [stderr]     Checking colored_json v2.0.0
[INFO] [stderr]     Checking escargot v0.3.1
[INFO] [stderr]    Compiling varlink_parser v4.0.2
[INFO] [stderr]    Compiling varlink_generator v8.0.0
[INFO] [stderr]    Compiling varlink_stdinterfaces v8.0.0
[INFO] [stderr]     Checking varlink-cli v4.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:30:49
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub type Result<T> = std::result::Result<T, Box<std::error::Error>>;
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[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/test.rs:6:34
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn test_exec() -> Result<(), Box<Error>> {
[INFO] [stderr]   |                                  ^^^^^ help: use `dyn`: `dyn Error`
[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/main.rs:30:49
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub type Result<T> = std::result::Result<T, Box<std::error::Error>>;
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/proxy.rs:228:35
[INFO] [stderr]     |
[INFO] [stderr] 228 |         let mut buf: [u8; 8192] = mem::uninitialized();
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/proxy.rs:228:35
[INFO] [stderr]     |
[INFO] [stderr] 228 |         let mut buf: [u8; 8192] = mem::uninitialized();
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.28s
[INFO] running `"docker" "inspect" "5ded47e9d0289dd8fee3406869b297624f566de520866730d8d85fa036a88a98"`
[INFO] running `"docker" "rm" "-f" "5ded47e9d0289dd8fee3406869b297624f566de520866730d8d85fa036a88a98"`
[INFO] [stdout] 5ded47e9d0289dd8fee3406869b297624f566de520866730d8d85fa036a88a98