[INFO] fetching crate varlink 11.0.1...
[INFO] testing varlink-11.0.1 against 1.90.0 for beta-1.91-2
[INFO] extracting crate varlink 11.0.1 into /workspace/builds/worker-2-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-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate varlink 11.0.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 36 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f02d30974d146a25ec709cff0d684a91eb17d977a252a4e501fd602ee5f67f0
[INFO] running `Command { std: "docker" "start" "-a" "8f02d30974d146a25ec709cff0d684a91eb17d977a252a4e501fd602ee5f67f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f02d30974d146a25ec709cff0d684a91eb17d977a252a4e501fd602ee5f67f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f02d30974d146a25ec709cff0d684a91eb17d977a252a4e501fd602ee5f67f0", kill_on_drop: false }`
[INFO] [stdout] 8f02d30974d146a25ec709cff0d684a91eb17d977a252a4e501fd602ee5f67f0
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c6c2a8bc1c105cc249a823875fa227f476d3c5debab6f23677ec96bbcbbaadc
[INFO] running `Command { std: "docker" "start" "-a" "5c6c2a8bc1c105cc249a823875fa227f476d3c5debab6f23677ec96bbcbbaadc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling serde v1.0.227
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling unix_socket v0.5.0
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.227
[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: hiding a lifetime that's elided elsewhere is 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 same lifetime is hidden here
[INFO] [stdout]     |                    |                the same lifetime is elided here
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 664 |     fn get_request(&self) -> Option<&Request<'_>>;
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is 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 same lifetime is hidden here
[INFO] [stdout]     |                    |                the same lifetime is elided here
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type 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 10.25s
[INFO] running `Command { std: "docker" "inspect" "5c6c2a8bc1c105cc249a823875fa227f476d3c5debab6f23677ec96bbcbbaadc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c6c2a8bc1c105cc249a823875fa227f476d3c5debab6f23677ec96bbcbbaadc", kill_on_drop: false }`
[INFO] [stdout] 5c6c2a8bc1c105cc249a823875fa227f476d3c5debab6f23677ec96bbcbbaadc
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0cf7f04280ae0192d0d907d0208e07476b6098e56d7ec9341b103b643944d33
[INFO] running `Command { std: "docker" "start" "-a" "f0cf7f04280ae0192d0d907d0208e07476b6098e56d7ec9341b103b643944d33", kill_on_drop: false }`
[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: hiding a lifetime that's elided elsewhere is 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 same lifetime is hidden here
[INFO] [stdout]     |                    |                the same lifetime is elided here
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 664 |     fn get_request(&self) -> Option<&Request<'_>>;
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is 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 same lifetime is hidden here
[INFO] [stdout]     |                    |                the same lifetime is elided here
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 754 |     fn get_request(&self) -> Option<&Request<'_>> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[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: hiding a lifetime that's elided elsewhere is 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 same lifetime is hidden here
[INFO] [stdout]     |                    |                the same lifetime is elided here
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 664 |     fn get_request(&self) -> Option<&Request<'_>>;
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is 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 same lifetime is hidden here
[INFO] [stdout]     |                    |                the same lifetime is elided here
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type 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 2.28s
[INFO] running `Command { std: "docker" "inspect" "f0cf7f04280ae0192d0d907d0208e07476b6098e56d7ec9341b103b643944d33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0cf7f04280ae0192d0d907d0208e07476b6098e56d7ec9341b103b643944d33", kill_on_drop: false }`
[INFO] [stdout] f0cf7f04280ae0192d0d907d0208e07476b6098e56d7ec9341b103b643944d33
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 66c53e0003f36713f1c896f64757cebe079fe32cafd223eaad3aaf891d05cefe
[INFO] running `Command { std: "docker" "start" "-a" "66c53e0003f36713f1c896f64757cebe079fe32cafd223eaad3aaf891d05cefe", 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: hiding a lifetime that's elided elsewhere is 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 same lifetime is hidden here
[INFO] [stderr]     |                    |                the same lifetime is elided here
[INFO] [stderr]     |                    the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 664 |     fn get_request(&self) -> Option<&Request<'_>>;
[INFO] [stderr]     |                                             ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is 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 same lifetime is hidden here
[INFO] [stderr]     |                    |                the same lifetime is elided here
[INFO] [stderr]     |                    the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type 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-0b1beff98448e4cb)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test error::tests::error_is_sync_send ... ok
[INFO] [stdout] test test::test_handle ... 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:     0x61de4c1a9dd2 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x61de4c1a9dd2 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x61de4c1a9dd2 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x61de4c1a9dd2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x61de4c1d1663 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x61de4c1d1663 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x61de4c1a5df3 - std::io::default_write_fmt::h7b8824096454f323
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x61de4c1a5df3 - std::io::Write::write_fmt::h4e71294925c334d0
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x61de4c1a9c22 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x61de4c1ab499 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x61de4c1ab2ce - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x61de4c1388d4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb6bd65493727d71a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x61de4c1388d4 - test::test_main_with_exit_callback::{{closure}}::h60217ec76a0ece4a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x61de4c1abe6e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h318e4efb8c1a5689
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x61de4c1abe6e - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x61de4c1abc3a - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x61de4c1aa2c9 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x61de4c1ab8cd - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x61de4c1cfde0 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x61de4c0b8811 - varlink::test::test_listen::run_app::hfaad0de7ae085892
[INFO] [stdout]                                at /opt/rustwide/workdir/src/test.rs:25:17
[INFO] [stdout]   20:     0x61de4c0b9d4a - varlink::test::test_listen::{{closure}}::he3a560b2d1472ddb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/test.rs:129:25
[INFO] [stdout]   21:     0x61de4c0bce93 - std::sys::backtrace::__rust_begin_short_backtrace::h3a80150f8919617b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   22:     0x61de4c0b71bb - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h95414b162b350aae
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   23:     0x61de4c0b44d0 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb84f914641498942
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   24:     0x61de4c0b755f - std::panicking::catch_unwind::do_call::hf4ce5c43a538b510
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   25:     0x61de4c0bb42b - __rust_try
[INFO] [stdout]   26:     0x61de4c0b6c39 - std::panicking::catch_unwind::h6b7bbdbc1f3d023b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   27:     0x61de4c0b6c39 - std::panic::catch_unwind::h75bf846b02387234
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   28:     0x61de4c0b6c39 - std::thread::Builder::spawn_unchecked_::{{closure}}::hcd48f83f9b78d9a9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   29:     0x61de4c0f048e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h2816be4a38a09e1c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   30:     0x61de4c1aedef - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5924238c754de3b8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   31:     0x61de4c1aedef - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   32:     0x7f0c2db32aa4 - <unknown>
[INFO] [stdout]   33:     0x7f0c2dbbfa34 - 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" "66c53e0003f36713f1c896f64757cebe079fe32cafd223eaad3aaf891d05cefe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66c53e0003f36713f1c896f64757cebe079fe32cafd223eaad3aaf891d05cefe", kill_on_drop: false }`
[INFO] [stdout] 66c53e0003f36713f1c896f64757cebe079fe32cafd223eaad3aaf891d05cefe
