[INFO] fetching crate tchannel 0.0.2...
[INFO] checking tchannel-0.0.2 against master#2d5a21f63c98f8a1d5f3c3af93bcb0a8af19af36 for pr-95819
[INFO] extracting crate tchannel 0.0.2 into /workspace/builds/worker-78/source
[INFO] validating manifest of crates.io crate tchannel 0.0.2 on toolchain 2d5a21f63c98f8a1d5f3c3af93bcb0a8af19af36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2d5a21f63c98f8a1d5f3c3af93bcb0a8af19af36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tchannel 0.0.2
[INFO] finished tweaking crates.io crate tchannel 0.0.2
[INFO] tweaked toml for crates.io crate tchannel 0.0.2 written to /workspace/builds/worker-78/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2d5a21f63c98f8a1d5f3c3af93bcb0a8af19af36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2d5a21f63c98f8a1d5f3c3af93bcb0a8af19af36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+2d5a21f63c98f8a1d5f3c3af93bcb0a8af19af36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c7667ac2da0d947f25086756b7a02e9c43f79da5e146cc4a563d3b60be50277
[INFO] running `Command { std: "docker" "start" "-a" "7c7667ac2da0d947f25086756b7a02e9c43f79da5e146cc4a563d3b60be50277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c7667ac2da0d947f25086756b7a02e9c43f79da5e146cc4a563d3b60be50277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c7667ac2da0d947f25086756b7a02e9c43f79da5e146cc4a563d3b60be50277", kill_on_drop: false }`
[INFO] [stdout] 7c7667ac2da0d947f25086756b7a02e9c43f79da5e146cc4a563d3b60be50277
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+2d5a21f63c98f8a1d5f3c3af93bcb0a8af19af36" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d14699994d395df6777beef2acccfc2e55f9a26a6d85d2deaec73c4b1cd7057
[INFO] running `Command { std: "docker" "start" "-a" "6d14699994d395df6777beef2acccfc2e55f9a26a6d85d2deaec73c4b1cd7057", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking tchannel v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/atomic_cell.rs:41:40
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let empty_data = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/atomic_cell.rs:41:40
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let empty_data = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset`
[INFO] [stdout]    --> src/mpsc/segment.rs:151:12
[INFO] [stdout]     |
[INFO] [stdout] 151 |     pub fn reset(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset`
[INFO] [stdout]    --> src/mpsc/segment.rs:151:12
[INFO] [stdout]     |
[INFO] [stdout] 151 |     pub fn reset(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[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 0.50s
[INFO] running `Command { std: "docker" "inspect" "6d14699994d395df6777beef2acccfc2e55f9a26a6d85d2deaec73c4b1cd7057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d14699994d395df6777beef2acccfc2e55f9a26a6d85d2deaec73c4b1cd7057", kill_on_drop: false }`
[INFO] [stdout] 6d14699994d395df6777beef2acccfc2e55f9a26a6d85d2deaec73c4b1cd7057