[INFO] fetching crate sync-fd 0.1.0...
[INFO] testing sync-fd-0.1.0 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate sync-fd 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate sync-fd 0.1.0
[INFO] finished tweaking crates.io crate sync-fd 0.1.0
[INFO] tweaked toml for crates.io crate sync-fd 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sync-fd 0.1.0 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sync-fd 0.1.0 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 576700e703fdf76ced0f2215176f8d5f8107fcc0dba4d23b81e9a548cb213b8d
[INFO] running `Command { std: "docker" "start" "-a" "576700e703fdf76ced0f2215176f8d5f8107fcc0dba4d23b81e9a548cb213b8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "576700e703fdf76ced0f2215176f8d5f8107fcc0dba4d23b81e9a548cb213b8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "576700e703fdf76ced0f2215176f8d5f8107fcc0dba4d23b81e9a548cb213b8d", kill_on_drop: false }`
[INFO] [stdout] 576700e703fdf76ced0f2215176f8d5f8107fcc0dba4d23b81e9a548cb213b8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74a1d1aa7f478c0610eb496598b58291a0fa087c9c3d7171ff7ee241191564eb
[INFO] running `Command { std: "docker" "start" "-a" "74a1d1aa7f478c0610eb496598b58291a0fa087c9c3d7171ff7ee241191564eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling sync-fd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `blocking` is never read
[INFO] [stdout]   --> src/channel.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct MpscFdReceiver<T> {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 75 |     receiver: Receiver<T>,
[INFO] [stdout] 76 |     blocking: bool,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_blocking` is never used
[INFO] [stdout]    --> src/channel.rs:115:4
[INFO] [stdout]     |
[INFO] [stdout] 115 | fn set_blocking(fd: RawFd) -> io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_set` is never used
[INFO] [stdout]    --> src/channel.rs:209:8
[INFO] [stdout]     |
[INFO] [stdout] 182 | impl FdSet {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 209 |     fn is_set(&self, fd: RawFd) -> bool {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "74a1d1aa7f478c0610eb496598b58291a0fa087c9c3d7171ff7ee241191564eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74a1d1aa7f478c0610eb496598b58291a0fa087c9c3d7171ff7ee241191564eb", kill_on_drop: false }`
[INFO] [stdout] 74a1d1aa7f478c0610eb496598b58291a0fa087c9c3d7171ff7ee241191564eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89d163227a0bdad6178454d79f947e2b97bca0a37c67b70add909092fae2ac7a
[INFO] running `Command { std: "docker" "start" "-a" "89d163227a0bdad6178454d79f947e2b97bca0a37c67b70add909092fae2ac7a", kill_on_drop: false }`
[INFO] [stdout] warning: field `blocking` is never read
[INFO] [stdout]   --> src/channel.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct MpscFdReceiver<T> {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 75 |     receiver: Receiver<T>,
[INFO] [stdout] 76 |     blocking: bool,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sync-fd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `set_blocking` is never used
[INFO] [stdout]    --> src/channel.rs:115:4
[INFO] [stdout]     |
[INFO] [stdout] 115 | fn set_blocking(fd: RawFd) -> io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_set` is never used
[INFO] [stdout]    --> src/channel.rs:209:8
[INFO] [stdout]     |
[INFO] [stdout] 182 | impl FdSet {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 209 |     fn is_set(&self, fd: RawFd) -> bool {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `blocking` is never read
[INFO] [stdout]   --> src/channel.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct MpscFdReceiver<T> {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 75 |     receiver: Receiver<T>,
[INFO] [stdout] 76 |     blocking: bool,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_blocking` is never used
[INFO] [stdout]    --> src/channel.rs:115:4
[INFO] [stdout]     |
[INFO] [stdout] 115 | fn set_blocking(fd: RawFd) -> io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_set` is never used
[INFO] [stdout]    --> src/channel.rs:209:8
[INFO] [stdout]     |
[INFO] [stdout] 182 | impl FdSet {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 209 |     fn is_set(&self, fd: RawFd) -> bool {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "89d163227a0bdad6178454d79f947e2b97bca0a37c67b70add909092fae2ac7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89d163227a0bdad6178454d79f947e2b97bca0a37c67b70add909092fae2ac7a", kill_on_drop: false }`
[INFO] [stdout] 89d163227a0bdad6178454d79f947e2b97bca0a37c67b70add909092fae2ac7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c212c8f4666657db772acbd2912418f51d51992c8027cb81d04b7a8ebdbab1ce
[INFO] running `Command { std: "docker" "start" "-a" "c212c8f4666657db772acbd2912418f51d51992c8027cb81d04b7a8ebdbab1ce", kill_on_drop: false }`
[INFO] [stderr] warning: field `blocking` is never read
[INFO] [stderr]   --> src/channel.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 74 | pub struct MpscFdReceiver<T> {
[INFO] [stderr]    |            -------------- field in this struct
[INFO] [stderr] 75 |     receiver: Receiver<T>,
[INFO] [stderr] 76 |     blocking: bool,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `set_blocking` is never used
[INFO] [stderr]    --> src/channel.rs:115:4
[INFO] [stderr]     |
[INFO] [stderr] 115 | fn set_blocking(fd: RawFd) -> io::Result<()> {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_set` is never used
[INFO] [stderr]    --> src/channel.rs:209:8
[INFO] [stderr]     |
[INFO] [stderr] 182 | impl FdSet {
[INFO] [stderr]     | ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 209 |     fn is_set(&self, fd: RawFd) -> bool {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `sync-fd` (lib) generated 3 warnings
[INFO] [stderr] warning: `sync-fd` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sync_fd-ef68da66d7bebdeb)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test channel::tests::test_mpsc_fd_pair ... ok
[INFO] [stdout] test channel::tests::torture_test_pipe_buffer_stress ... ok
[INFO] [stdout] test channel::tests::torture_test_rapid_mode_switching ... ok
[INFO] [stdout] test channel::tests::torture_test_concurrent_access ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 10.08s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sync_fd
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c212c8f4666657db772acbd2912418f51d51992c8027cb81d04b7a8ebdbab1ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c212c8f4666657db772acbd2912418f51d51992c8027cb81d04b7a8ebdbab1ce", kill_on_drop: false }`
[INFO] [stdout] c212c8f4666657db772acbd2912418f51d51992c8027cb81d04b7a8ebdbab1ce
