[INFO] fetching crate ipcbus 0.1.0...
[INFO] checking ipcbus-0.1.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate ipcbus 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate ipcbus 0.1.0
[INFO] finished tweaking crates.io crate ipcbus 0.1.0
[INFO] tweaked toml for crates.io crate ipcbus 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ipcbus 0.1.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 33 packages to latest compatible versions
[INFO] [stderr]       Adding event-listener v2.5.3 (available: v5.4.0)
[INFO] [stderr]       Adding nix v0.24.3 (available: v0.30.1)
[INFO] [stderr]       Adding socket2 v0.4.10 (available: v0.5.10)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe6e01284ef0c252274c7e91681d8f776c59c9f733f6f9f2db4a31c6ebf43662
[INFO] running `Command { std: "docker" "start" "-a" "fe6e01284ef0c252274c7e91681d8f776c59c9f733f6f9f2db4a31c6ebf43662", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe6e01284ef0c252274c7e91681d8f776c59c9f733f6f9f2db4a31c6ebf43662", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe6e01284ef0c252274c7e91681d8f776c59c9f733f6f9f2db4a31c6ebf43662", kill_on_drop: false }`
[INFO] [stdout] fe6e01284ef0c252274c7e91681d8f776c59c9f733f6f9f2db4a31c6ebf43662
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fefe14d9c7040aea37c7b429216771fd1ea44aa0f4b9d061513d93d2da1317e
[INFO] running `Command { std: "docker" "start" "-a" "3fefe14d9c7040aea37c7b429216771fd1ea44aa0f4b9d061513d93d2da1317e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking fslock v0.2.1
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking ipcbus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::mem::MaybeUninit::<T>::slice_assume_init_ref`: replaced by inherent assume_init_ref method; will eventually be removed
[INFO] [stdout]   --> src/udp_multicast.rs:58:43
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let bytes = unsafe { MaybeUninit::slice_assume_init_ref(&buf[0..l]) };
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/procbus.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let mut this = Arc::get_mut(self).expect("You must init_udp before cloning a env");
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::mem::MaybeUninit::<T>::slice_assume_init_ref`: replaced by inherent assume_init_ref method; will eventually be removed
[INFO] [stdout]   --> src/udp_multicast.rs:58:43
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let bytes = unsafe { MaybeUninit::slice_assume_init_ref(&buf[0..l]) };
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/procbus.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let mut this = Arc::get_mut(self).expect("You must init_udp before cloning a env");
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.37s
[INFO] running `Command { std: "docker" "inspect" "3fefe14d9c7040aea37c7b429216771fd1ea44aa0f4b9d061513d93d2da1317e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fefe14d9c7040aea37c7b429216771fd1ea44aa0f4b9d061513d93d2da1317e", kill_on_drop: false }`
[INFO] [stdout] 3fefe14d9c7040aea37c7b429216771fd1ea44aa0f4b9d061513d93d2da1317e