[INFO] fetching crate userfaultfd 0.9.0...
[INFO] testing userfaultfd-0.9.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate userfaultfd 0.9.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate userfaultfd 0.9.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate userfaultfd 0.9.0
[INFO] tweaked toml for crates.io crate userfaultfd 0.9.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate userfaultfd 0.9.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate userfaultfd 0.9.0 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded userfaultfd-sys v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf5ea90776c8157b0399d4da50ccaab58588888302f3c67b6c34ba8d4acd0f6e
[INFO] running `Command { std: "docker" "start" "-a" "cf5ea90776c8157b0399d4da50ccaab58588888302f3c67b6c34ba8d4acd0f6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf5ea90776c8157b0399d4da50ccaab58588888302f3c67b6c34ba8d4acd0f6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf5ea90776c8157b0399d4da50ccaab58588888302f3c67b6c34ba8d4acd0f6e", kill_on_drop: false }`
[INFO] [stdout] cf5ea90776c8157b0399d4da50ccaab58588888302f3c67b6c34ba8d4acd0f6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a1f3de748b2670e3a3c3ce2bdb294689412a65826ea92976d640b325cd78ac4
[INFO] running `Command { std: "docker" "start" "-a" "1a1f3de748b2670e3a3c3ce2bdb294689412a65826ea92976d640b325cd78ac4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling bindgen v0.69.5
[INFO] [stderr]    Compiling libloading v0.8.8
[INFO] [stderr]    Compiling bitflags v2.9.2
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling cc v1.2.33
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling nix v0.27.1
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling userfaultfd-sys v0.6.0
[INFO] [stderr]    Compiling userfaultfd v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.92s
[INFO] running `Command { std: "docker" "inspect" "1a1f3de748b2670e3a3c3ce2bdb294689412a65826ea92976d640b325cd78ac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a1f3de748b2670e3a3c3ce2bdb294689412a65826ea92976d640b325cd78ac4", kill_on_drop: false }`
[INFO] [stdout] 1a1f3de748b2670e3a3c3ce2bdb294689412a65826ea92976d640b325cd78ac4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d755a5fd17cc9b03acb307e4beab29f8cb56a3824e42942041ec8dd8471c728
[INFO] running `Command { std: "docker" "start" "-a" "2d755a5fd17cc9b03acb307e4beab29f8cb56a3824e42942041ec8dd8471c728", kill_on_drop: false }`
[INFO] [stderr]    Compiling userfaultfd v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "2d755a5fd17cc9b03acb307e4beab29f8cb56a3824e42942041ec8dd8471c728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d755a5fd17cc9b03acb307e4beab29f8cb56a3824e42942041ec8dd8471c728", kill_on_drop: false }`
[INFO] [stdout] 2d755a5fd17cc9b03acb307e4beab29f8cb56a3824e42942041ec8dd8471c728
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c464cdc70b3fc902a864af151d9f6c86271af1d8e0173320695fef0fe201e3da
[INFO] running `Command { std: "docker" "start" "-a" "c464cdc70b3fc902a864af151d9f6c86271af1d8e0173320695fef0fe201e3da", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/userfaultfd-84dc33c8e7e48ccf)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::test_read_events ... FAILED
[INFO] [stdout] test test::test_nonblocking_read_event ... FAILED
[INFO] [stdout] test test::test_read_event ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test::test_read_events stdout ----
[INFO] [stdout] Error: SystemError(EPERM)
[INFO] [stdout] 
[INFO] [stdout] ---- test::test_nonblocking_read_event stdout ----
[INFO] [stdout] Error: SystemError(EPERM)
[INFO] [stdout] 
[INFO] [stdout] ---- test::test_read_event stdout ----
[INFO] [stdout] Error: SystemError(EPERM)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test::test_nonblocking_read_event
[INFO] [stdout]     test::test_read_event
[INFO] [stdout]     test::test_read_events
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "c464cdc70b3fc902a864af151d9f6c86271af1d8e0173320695fef0fe201e3da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c464cdc70b3fc902a864af151d9f6c86271af1d8e0173320695fef0fe201e3da", kill_on_drop: false }`
[INFO] [stdout] c464cdc70b3fc902a864af151d9f6c86271af1d8e0173320695fef0fe201e3da