[INFO] fetching crate origin 0.3.0...
[INFO] checking origin-0.3.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate origin 0.3.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate origin 0.3.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate origin 0.3.0
[INFO] finished tweaking crates.io crate origin 0.3.0
[INFO] tweaked toml for crates.io crate origin 0.3.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ac9e6f5118b58179dbf2908408587bb7d263172c9e359a40026f6b20ae6ecf3c
[INFO] running `Command { std: "docker" "start" "-a" "ac9e6f5118b58179dbf2908408587bb7d263172c9e359a40026f6b20ae6ecf3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac9e6f5118b58179dbf2908408587bb7d263172c9e359a40026f6b20ae6ecf3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac9e6f5118b58179dbf2908408587bb7d263172c9e359a40026f6b20ae6ecf3c", kill_on_drop: false }`
[INFO] [stdout] ac9e6f5118b58179dbf2908408587bb7d263172c9e359a40026f6b20ae6ecf3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0b335be8bedd04562192698ab0013a9d813f02788c9d3b56030d50eeb05a3411
[INFO] running `Command { std: "docker" "start" "-a" "0b335be8bedd04562192698ab0013a9d813f02788c9d3b56030d50eeb05a3411", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling io-lifetimes v0.4.3
[INFO] [stderr]    Compiling rustix v0.27.1
[INFO] [stderr]    Compiling dlmalloc v0.2.3
[INFO] [stderr]     Checking linux-raw-sys v0.0.36
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]     Checking origin v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/program.rs:307:27
[INFO] [stdout]     |
[INFO] [stdout] 278 | pub unsafe fn fork() -> rustix::io::Result<Option<rustix::process::Pid>> {
[INFO] [stdout]     | ------------------------------------------------------------------------ because it's nested under this `unsafe` fn
[INFO] [stdout] ...
[INFO] [stdout] 307 |                 let raw = unsafe { *libc::__errno_location() };
[INFO] [stdout]     |                           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/program.rs:311:28
[INFO] [stdout]     |
[INFO] [stdout] 278 | pub unsafe fn fork() -> rustix::io::Result<Option<rustix::process::Pid>> {
[INFO] [stdout]     | ------------------------------------------------------------------------ because it's nested under this `unsafe` fn
[INFO] [stdout] ...
[INFO] [stdout] 311 |             pid => Ok(Some(unsafe { rustix::process::Pid::from_raw(pid as _) })),
[INFO] [stdout]     |                            ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `prepare`
[INFO] [stdout]    --> src/program.rs:220:5
[INFO] [stdout]     |
[INFO] [stdout] 220 |     pub(crate) prepare: Vec<unsafe extern "C" fn()>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parent`
[INFO] [stdout]    --> src/program.rs:221:5
[INFO] [stdout]     |
[INFO] [stdout] 221 |     pub(crate) parent: Vec<unsafe extern "C" fn()>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `child`
[INFO] [stdout]    --> src/program.rs:222:5
[INFO] [stdout]     |
[INFO] [stdout] 222 |     pub(crate) child: Vec<unsafe extern "C" fn()>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `set_current_thread_id`
[INFO] [stdout]    --> src/threads.rs:180:15
[INFO] [stdout]     |
[INFO] [stdout] 180 | pub(crate) fn set_current_thread_id(tid: Pid) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/program.rs:307:27
[INFO] [stdout]     |
[INFO] [stdout] 278 | pub unsafe fn fork() -> rustix::io::Result<Option<rustix::process::Pid>> {
[INFO] [stdout]     | ------------------------------------------------------------------------ because it's nested under this `unsafe` fn
[INFO] [stdout] ...
[INFO] [stdout] 307 |                 let raw = unsafe { *libc::__errno_location() };
[INFO] [stdout]     |                           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/program.rs:311:28
[INFO] [stdout]     |
[INFO] [stdout] 278 | pub unsafe fn fork() -> rustix::io::Result<Option<rustix::process::Pid>> {
[INFO] [stdout]     | ------------------------------------------------------------------------ because it's nested under this `unsafe` fn
[INFO] [stdout] ...
[INFO] [stdout] 311 |             pid => Ok(Some(unsafe { rustix::process::Pid::from_raw(pid as _) })),
[INFO] [stdout]     |                            ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `prepare`
[INFO] [stdout]    --> src/program.rs:220:5
[INFO] [stdout]     |
[INFO] [stdout] 220 |     pub(crate) prepare: Vec<unsafe extern "C" fn()>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parent`
[INFO] [stdout]    --> src/program.rs:221:5
[INFO] [stdout]     |
[INFO] [stdout] 221 |     pub(crate) parent: Vec<unsafe extern "C" fn()>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `child`
[INFO] [stdout]    --> src/program.rs:222:5
[INFO] [stdout]     |
[INFO] [stdout] 222 |     pub(crate) child: Vec<unsafe extern "C" fn()>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `set_current_thread_id`
[INFO] [stdout]    --> src/threads.rs:180:15
[INFO] [stdout]     |
[INFO] [stdout] 180 | pub(crate) fn set_current_thread_id(tid: Pid) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.80s
[INFO] running `Command { std: "docker" "inspect" "0b335be8bedd04562192698ab0013a9d813f02788c9d3b56030d50eeb05a3411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b335be8bedd04562192698ab0013a9d813f02788c9d3b56030d50eeb05a3411", kill_on_drop: false }`
[INFO] [stdout] 0b335be8bedd04562192698ab0013a9d813f02788c9d3b56030d50eeb05a3411