[INFO] fetching crate interprocess 1.2.1...
[INFO] checking interprocess-1.2.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate interprocess 1.2.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate interprocess 1.2.1 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate interprocess 1.2.1
[INFO] finished tweaking crates.io crate interprocess 1.2.1
[INFO] tweaked toml for crates.io crate interprocess 1.2.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate interprocess 1.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded semver v1.0.6
[INFO] [stderr]   Downloaded anyhow v1.0.32
[INFO] [stderr]   Downloaded tokio v1.8.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0538a3b2673d1e9fdb8c7270fa794115ddd7ef2a9f0396213a044ebc8bd5d799
[INFO] running `Command { std: "docker" "start" "-a" "0538a3b2673d1e9fdb8c7270fa794115ddd7ef2a9f0396213a044ebc8bd5d799", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0538a3b2673d1e9fdb8c7270fa794115ddd7ef2a9f0396213a044ebc8bd5d799", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0538a3b2673d1e9fdb8c7270fa794115ddd7ef2a9f0396213a044ebc8bd5d799", kill_on_drop: false }`
[INFO] [stdout] 0538a3b2673d1e9fdb8c7270fa794115ddd7ef2a9f0396213a044ebc8bd5d799
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c56963aaa9084320693d4db7d5363d2774276baf4e8ddacf8c27ab379a199eb0
[INFO] running `Command { std: "docker" "start" "-a" "c56963aaa9084320693d4db7d5363d2774276baf4e8ddacf8c27ab379a199eb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling semver v1.0.6
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling tokio v1.8.5
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]     Checking async-task v4.2.0
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking to_method v1.1.0
[INFO] [stderr]     Checking intmap v0.7.1
[INFO] [stderr]     Checking spinning v0.1.0
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling interprocess v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking blocking v1.2.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stdout] warning: the item `ToOwned` is imported redundantly
[INFO] [stdout]  --> src/os/unix/udsocket/path.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 |     borrow::{Cow, ToOwned},
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToOwned` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Drop` is imported redundantly
[INFO] [stdout]  --> src/os/unix/udsocket/path_drop_guard.rs:2:40
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{ffi::OsStr, fs::remove_file, ops::Drop};
[INFO] [stdout]   |                                        ^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Drop` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `connect_nonblocking` is never used
[INFO] [stdout]   --> src/os/unix/udsocket/stream.rs:48:19
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl UdStream {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub(crate) fn connect_nonblocking<'a>(path: impl ToUdSocketPath<'a>) -> io::Result<Self> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stdout] warning: the item `NameGen` is imported redundantly
[INFO] [stdout]  --> tests/local_socket/stream.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 |     super::{util::*, NameGen},
[INFO] [stdout]   |             -------  ^^^^^^^
[INFO] [stdout]   |             |
[INFO] [stdout]   |             the item `NameGen` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToOwned` is imported redundantly
[INFO] [stdout]  --> src/os/unix/udsocket/path.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 |     borrow::{Cow, ToOwned},
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToOwned` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Drop` is imported redundantly
[INFO] [stdout]  --> src/os/unix/udsocket/path_drop_guard.rs:2:40
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{ffi::OsStr, fs::remove_file, ops::Drop};
[INFO] [stdout]   |                                        ^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Drop` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `connect_nonblocking` is never used
[INFO] [stdout]   --> src/os/unix/udsocket/stream.rs:48:19
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl UdStream {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub(crate) fn connect_nonblocking<'a>(path: impl ToUdSocketPath<'a>) -> io::Result<Self> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.60s
[INFO] running `Command { std: "docker" "inspect" "c56963aaa9084320693d4db7d5363d2774276baf4e8ddacf8c27ab379a199eb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c56963aaa9084320693d4db7d5363d2774276baf4e8ddacf8c27ab379a199eb0", kill_on_drop: false }`
[INFO] [stdout] c56963aaa9084320693d4db7d5363d2774276baf4e8ddacf8c27ab379a199eb0