[INFO] fetching crate varlink 11.0.1...
[INFO] testing varlink-11.0.1 against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate varlink 11.0.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate varlink 11.0.1
[INFO] finished tweaking crates.io crate varlink 11.0.1
[INFO] tweaked toml for crates.io crate varlink 11.0.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate varlink 11.0.1 on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 35 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unix_socket v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14fe15a731761cff31740e92e9cefc87757cd2690f910fe7d6b94c32167148ec
[INFO] running `Command { std: "docker" "start" "-a" "14fe15a731761cff31740e92e9cefc87757cd2690f910fe7d6b94c32167148ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14fe15a731761cff31740e92e9cefc87757cd2690f910fe7d6b94c32167148ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14fe15a731761cff31740e92e9cefc87757cd2690f910fe7d6b94c32167148ec", kill_on_drop: false }`
[INFO] [stdout] 14fe15a731761cff31740e92e9cefc87757cd2690f910fe7d6b94c32167148ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0df2a8211f785b0e7f8dc84c5a41960ab4896a29171e014a3c150029f683e5c9
[INFO] running `Command { std: "docker" "start" "-a" "0df2a8211f785b0e7f8dc84c5a41960ab4896a29171e014a3c150029f683e5c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling unix_socket v0.5.0
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling varlink v11.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `bufreader_buffer`
[INFO] [stdout]     --> src/lib.rs:1514:19
[INFO] [stdout]      |
[INFO] [stdout] 1514 |         #[cfg(any(feature = "bufreader_buffer", feature = "nightly"))]
[INFO] [stdout]      |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`
[INFO] [stdout]      = help: consider adding `bufreader_buffer` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]      = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]     --> src/lib.rs:1514:49
[INFO] [stdout]      |
[INFO] [stdout] 1514 |         #[cfg(any(feature = "bufreader_buffer", feature = "nightly"))]
[INFO] [stdout]      |                                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`
[INFO] [stdout]      = help: consider adding `nightly` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `bufreader_buffer`
[INFO] [stdout]     --> src/lib.rs:1517:23
[INFO] [stdout]      |
[INFO] [stdout] 1517 |         #[cfg(not(any(feature = "bufreader_buffer", feature = "nightly")))]
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`
[INFO] [stdout]      = help: consider adding `bufreader_buffer` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]     --> src/lib.rs:1517:53
[INFO] [stdout]      |
[INFO] [stdout] 1517 |         #[cfg(not(any(feature = "bufreader_buffer", feature = "nightly")))]
[INFO] [stdout]      |                                                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`
[INFO] [stdout]      = help: consider adding `nightly` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:664:20
[INFO] [stdout]     |
[INFO] [stdout] 664 |     fn get_request(&self) -> Option<&Request>;
[INFO] [stdout]     |                    ^^^^^            --------
[INFO] [stdout]     |                    |                ||
[INFO] [stdout]     |                    |                |the lifetimes get resolved as `'_`
[INFO] [stdout]     |                    |                the lifetimes get resolved as `'_`
[INFO] [stdout]     |                    this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 664 |     fn get_request(&self) -> Option<&Request<'_>>;
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:754:20
[INFO] [stdout]     |
[INFO] [stdout] 754 |     fn get_request(&self) -> Option<&Request> {
[INFO] [stdout]     |                    ^^^^^            --------
[INFO] [stdout]     |                    |                ||
[INFO] [stdout]     |                    |                |the lifetimes get resolved as `'_`
[INFO] [stdout]     |                    |                the lifetimes get resolved as `'_`
[INFO] [stdout]     |                    this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 754 |     fn get_request(&self) -> Option<&Request<'_>> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.22s
[INFO] running `Command { std: "docker" "inspect" "0df2a8211f785b0e7f8dc84c5a41960ab4896a29171e014a3c150029f683e5c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0df2a8211f785b0e7f8dc84c5a41960ab4896a29171e014a3c150029f683e5c9", kill_on_drop: false }`
[INFO] [stdout] 0df2a8211f785b0e7f8dc84c5a41960ab4896a29171e014a3c150029f683e5c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12361566cf0be91bb6e6e7bcea6463f034d016ddba1135fa095497b8c4a627eb
[INFO] running `Command { std: "docker" "start" "-a" "12361566cf0be91bb6e6e7bcea6463f034d016ddba1135fa095497b8c4a627eb", kill_on_drop: false }`
[INFO] [stdout] warning: unexpected `cfg` condition value: `bufreader_buffer`
[INFO] [stdout]     --> src/lib.rs:1514:19
[INFO] [stdout]      |
[INFO] [stdout] 1514 |         #[cfg(any(feature = "bufreader_buffer", feature = "nightly"))]
[INFO] [stdout]      |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`
[INFO] [stdout]      = help: consider adding `bufreader_buffer` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]      = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]     --> src/lib.rs:1514:49
[INFO] [stdout]      |
[INFO] [stdout] 1514 |         #[cfg(any(feature = "bufreader_buffer", feature = "nightly"))]
[INFO] [stdout]      |                                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`
[INFO] [stdout]      = help: consider adding `nightly` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `bufreader_buffer`
[INFO] [stdout]     --> src/lib.rs:1517:23
[INFO] [stdout]      |
[INFO] [stdout] 1517 |         #[cfg(not(any(feature = "bufreader_buffer", feature = "nightly")))]
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`
[INFO] [stdout]      = help: consider adding `bufreader_buffer` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]     --> src/lib.rs:1517:53
[INFO] [stdout]      |
[INFO] [stdout] 1517 |         #[cfg(not(any(feature = "bufreader_buffer", feature = "nightly")))]
[INFO] [stdout]      |                                                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`
[INFO] [stdout]      = help: consider adding `nightly` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:664:20
[INFO] [stdout]     |
[INFO] [stdout] 664 |     fn get_request(&self) -> Option<&Request>;
[INFO] [stdout]     |                    ^^^^^            --------
[INFO] [stdout]     |                    |                ||
[INFO] [stdout]     |                    |                |the lifetimes get resolved as `'_`
[INFO] [stdout]     |                    |                the lifetimes get resolved as `'_`
[INFO] [stdout]     |                    this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 664 |     fn get_request(&self) -> Option<&Request<'_>>;
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:754:20
[INFO] [stdout]     |
[INFO] [stdout] 754 |     fn get_request(&self) -> Option<&Request> {
[INFO] [stdout]     |                    ^^^^^            --------
[INFO] [stdout]     |                    |                ||
[INFO] [stdout]     |                    |                |the lifetimes get resolved as `'_`
[INFO] [stdout]     |                    |                the lifetimes get resolved as `'_`
[INFO] [stdout]     |                    this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 754 |     fn get_request(&self) -> Option<&Request<'_>> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling varlink v11.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `bufreader_buffer`
[INFO] [stdout]     --> src/lib.rs:1514:19
[INFO] [stdout]      |
[INFO] [stdout] 1514 |         #[cfg(any(feature = "bufreader_buffer", feature = "nightly"))]
[INFO] [stdout]      |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`
[INFO] [stdout]      = help: consider adding `bufreader_buffer` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]      = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]     --> src/lib.rs:1514:49
[INFO] [stdout]      |
[INFO] [stdout] 1514 |         #[cfg(any(feature = "bufreader_buffer", feature = "nightly"))]
[INFO] [stdout]      |                                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`
[INFO] [stdout]      = help: consider adding `nightly` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `bufreader_buffer`
[INFO] [stdout]     --> src/lib.rs:1517:23
[INFO] [stdout]      |
[INFO] [stdout] 1517 |         #[cfg(not(any(feature = "bufreader_buffer", feature = "nightly")))]
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`
[INFO] [stdout]      = help: consider adding `bufreader_buffer` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]     --> src/lib.rs:1517:53
[INFO] [stdout]      |
[INFO] [stdout] 1517 |         #[cfg(not(any(feature = "bufreader_buffer", feature = "nightly")))]
[INFO] [stdout]      |                                                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`
[INFO] [stdout]      = help: consider adding `nightly` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:664:20
[INFO] [stdout]     |
[INFO] [stdout] 664 |     fn get_request(&self) -> Option<&Request>;
[INFO] [stdout]     |                    ^^^^^            --------
[INFO] [stdout]     |                    |                ||
[INFO] [stdout]     |                    |                |the lifetimes get resolved as `'_`
[INFO] [stdout]     |                    |                the lifetimes get resolved as `'_`
[INFO] [stdout]     |                    this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 664 |     fn get_request(&self) -> Option<&Request<'_>>;
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:754:20
[INFO] [stdout]     |
[INFO] [stdout] 754 |     fn get_request(&self) -> Option<&Request> {
[INFO] [stdout]     |                    ^^^^^            --------
[INFO] [stdout]     |                    |                ||
[INFO] [stdout]     |                    |                |the lifetimes get resolved as `'_`
[INFO] [stdout]     |                    |                the lifetimes get resolved as `'_`
[INFO] [stdout]     |                    this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 754 |     fn get_request(&self) -> Option<&Request<'_>> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.65s
[INFO] running `Command { std: "docker" "inspect" "12361566cf0be91bb6e6e7bcea6463f034d016ddba1135fa095497b8c4a627eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12361566cf0be91bb6e6e7bcea6463f034d016ddba1135fa095497b8c4a627eb", kill_on_drop: false }`
[INFO] [stdout] 12361566cf0be91bb6e6e7bcea6463f034d016ddba1135fa095497b8c4a627eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 868e1a040d469b0414751fc2af0fb32434d44fd70da24594d4a7285d39a4fcb2
[INFO] running `Command { std: "docker" "start" "-a" "868e1a040d469b0414751fc2af0fb32434d44fd70da24594d4a7285d39a4fcb2", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition value: `bufreader_buffer`
[INFO] [stderr]     --> src/lib.rs:1514:19
[INFO] [stderr]      |
[INFO] [stderr] 1514 |         #[cfg(any(feature = "bufreader_buffer", feature = "nightly"))]
[INFO] [stderr]      |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: expected values for `feature` are: `default`
[INFO] [stderr]      = help: consider adding `bufreader_buffer` as a feature in `Cargo.toml`
[INFO] [stderr]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]      = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stderr]     --> src/lib.rs:1514:49
[INFO] [stderr]      |
[INFO] [stderr] 1514 |         #[cfg(any(feature = "bufreader_buffer", feature = "nightly"))]
[INFO] [stderr]      |                                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: expected values for `feature` are: `default`
[INFO] [stderr]      = help: consider adding `nightly` as a feature in `Cargo.toml`
[INFO] [stderr]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `bufreader_buffer`
[INFO] [stderr]     --> src/lib.rs:1517:23
[INFO] [stderr]      |
[INFO] [stderr] 1517 |         #[cfg(not(any(feature = "bufreader_buffer", feature = "nightly")))]
[INFO] [stderr]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: expected values for `feature` are: `default`
[INFO] [stderr]      = help: consider adding `bufreader_buffer` as a feature in `Cargo.toml`
[INFO] [stderr]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stderr]     --> src/lib.rs:1517:53
[INFO] [stderr]      |
[INFO] [stderr] 1517 |         #[cfg(not(any(feature = "bufreader_buffer", feature = "nightly")))]
[INFO] [stderr]      |                                                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: expected values for `feature` are: `default`
[INFO] [stderr]      = help: consider adding `nightly` as a feature in `Cargo.toml`
[INFO] [stderr]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/lib.rs:664:20
[INFO] [stderr]     |
[INFO] [stderr] 664 |     fn get_request(&self) -> Option<&Request>;
[INFO] [stderr]     |                    ^^^^^            --------
[INFO] [stderr]     |                    |                ||
[INFO] [stderr]     |                    |                |the lifetimes get resolved as `'_`
[INFO] [stderr]     |                    |                the lifetimes get resolved as `'_`
[INFO] [stderr]     |                    this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 664 |     fn get_request(&self) -> Option<&Request<'_>>;
[INFO] [stderr]     |                                             ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/lib.rs:754:20
[INFO] [stderr]     |
[INFO] [stderr] 754 |     fn get_request(&self) -> Option<&Request> {
[INFO] [stderr]     |                    ^^^^^            --------
[INFO] [stderr]     |                    |                ||
[INFO] [stderr]     |                    |                |the lifetimes get resolved as `'_`
[INFO] [stderr]     |                    |                the lifetimes get resolved as `'_`
[INFO] [stderr]     |                    this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 754 |     fn get_request(&self) -> Option<&Request<'_>> {
[INFO] [stderr]     |                                             ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `varlink` (lib) generated 6 warnings
[INFO] [stderr] warning: `varlink` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/varlink-64a6550ade147b82)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::test_handle ... ok
[INFO] [stdout] test error::tests::error_is_sync_send ... ok
[INFO] [stdout] test test::test_listen ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test::test_listen stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' panicked at src/test.rs:25:17:
[INFO] [stdout] Error listen: src/server.rs:153: Io(
[INFO] [stdout]     ReadOnlyFilesystem,
[INFO] [stdout] )
[INFO] [stdout] Caused by:
[INFO] [stdout] Os {
[INFO] [stdout]     code: 30,
[INFO] [stdout]     kind: ReadOnlyFilesystem,
[INFO] [stdout]     message: "Read-only file system",
[INFO] [stdout] }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x620356967be2 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x620356967be2 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x620356967be2 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x620356967be2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x62035698f0f3 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x62035698f0f3 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x620356963e63 - std::io::default_write_fmt::hdb7615052be2ba4d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x620356963e63 - std::io::Write::write_fmt::he1bcd251ec6e4153
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x620356967a32 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x62035696929c - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x6203569690f2 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x620356929b44 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h178a5fcedee41e2f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x620356929b44 - test::test_main_with_exit_callback::{{closure}}::h951a41e0149d6d5d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x620356969c7b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h13602080f5b63276
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x620356969c7b - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x620356969a4a - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x6203569680d9 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x6203569696dd - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x62035698d9a0 - core::panicking::panic_fmt::hd890aeb12c3a3fc3
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x6203568d262c - varlink::test::test_listen::run_app::hecc4cca18979d47a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/test.rs:25:17
[INFO] [stdout]   20:     0x6203568e93d0 - varlink::test::test_listen::{{closure}}::h98cf3ef4e2774a3b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/test.rs:129:25
[INFO] [stdout]   21:     0x6203568e93d0 - std::sys::backtrace::__rust_begin_short_backtrace::hb26d9bac20befa4e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   22:     0x6203568d85ad - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h3b064497602c87e9
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   23:     0x6203568d85ad - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc292a0434c458f13
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   24:     0x6203568d85ad - std::panicking::catch_unwind::do_call::h2443e392c9fb2b8f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   25:     0x6203568d85ad - std::panicking::catch_unwind::h9f13fd6e915a3b9e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   26:     0x6203568d85ad - std::panic::catch_unwind::h298e380c4848e484
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   27:     0x6203568d85ad - std::thread::Builder::spawn_unchecked_::{{closure}}::hba1cb7fc92e9ee94
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   28:     0x6203568d85ad - core::ops::function::FnOnce::call_once{{vtable.shim}}::h4363f6e9d75b27e3
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x62035696cbd7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h47377e27fb938a26
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   30:     0x62035696cbd7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h72f1fe5d095abf57
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   31:     0x62035696cbd7 - std::sys::pal::unix::thread::Thread::new::thread_start::h0a4d8e1b9c0d38cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   32:     0x7300adf8faa4 - <unknown>
[INFO] [stdout]   33:     0x7300ae01ca34 - clone
[INFO] [stdout]   34:                0x0 - <unknown>
[INFO] [stdout] Error: src/client.rs:39: Io(NotFound)
[INFO] [stdout] Caused by:
[INFO] [stdout] Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test::test_listen
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "868e1a040d469b0414751fc2af0fb32434d44fd70da24594d4a7285d39a4fcb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "868e1a040d469b0414751fc2af0fb32434d44fd70da24594d4a7285d39a4fcb2", kill_on_drop: false }`
[INFO] [stdout] 868e1a040d469b0414751fc2af0fb32434d44fd70da24594d4a7285d39a4fcb2
