[INFO] crate varlink-cli 4.2.1 is already in cache
[INFO] checking varlink-cli-4.2.1 against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] extracting crate varlink-cli 4.2.1 into work/builds/worker-6/source
[INFO] validating manifest of crates.io crate varlink-cli 4.2.1 on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "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 work/builds/worker-6/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1e1ce22d296344a09547a5a8b24aef4854c4dbd3afad537c5cc2386421ae4fdb
[INFO] running `"docker" "start" "-a" "1e1ce22d296344a09547a5a8b24aef4854c4dbd3afad537c5cc2386421ae4fdb"`
[INFO] [stderr]    Compiling varlink_parser v4.0.2
[INFO] [stderr]    Compiling chainerror v0.4.3
[INFO] [stderr]    Compiling escargot v0.3.1
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]     Checking unix_socket v0.5.0
[INFO] [stderr]     Checking colored_json v2.0.0
[INFO] [stderr]     Checking varlink v8.1.0
[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/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: 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: 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 27.58s
[INFO] running `"docker" "inspect" "1e1ce22d296344a09547a5a8b24aef4854c4dbd3afad537c5cc2386421ae4fdb"`
[INFO] running `"docker" "rm" "-f" "1e1ce22d296344a09547a5a8b24aef4854c4dbd3afad537c5cc2386421ae4fdb"`
[INFO] [stdout] 1e1ce22d296344a09547a5a8b24aef4854c4dbd3afad537c5cc2386421ae4fdb