[INFO] fetching crate ureeves-userfaultfd 0.8.1...
[INFO] testing ureeves-userfaultfd-0.8.1 against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] extracting crate ureeves-userfaultfd 0.8.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate ureeves-userfaultfd 0.8.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ureeves-userfaultfd 0.8.1
[INFO] tweaked toml for crates.io crate ureeves-userfaultfd 0.8.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ureeves-userfaultfd 0.8.1 on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ureeves-userfaultfd 0.8.1 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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitflags v2.8.0
[INFO] [stderr]   Downloaded ureeves-userfaultfd-sys v0.5.0
[INFO] [stderr]   Downloaded libloading v0.8.6
[INFO] [stderr]   Downloaded unicode-ident v1.0.15
[INFO] [stderr]   Downloaded cc v1.2.10
[INFO] [stderr]   Downloaded nix v0.27.1
[INFO] [stderr]   Downloaded bindgen v0.68.1
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0991a9c47f42b873f9f4d2aa04685f228e9746885bdffc5a336d7036f5c39432
[INFO] running `Command { std: "docker" "start" "-a" "0991a9c47f42b873f9f4d2aa04685f228e9746885bdffc5a336d7036f5c39432", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0991a9c47f42b873f9f4d2aa04685f228e9746885bdffc5a336d7036f5c39432", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0991a9c47f42b873f9f4d2aa04685f228e9746885bdffc5a336d7036f5c39432", kill_on_drop: false }`
[INFO] [stdout] 0991a9c47f42b873f9f4d2aa04685f228e9746885bdffc5a336d7036f5c39432
[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" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06182c34b46a24a7826f7cad37a4c08d79a1f547b16bbe451040e3c528d7c74c
[INFO] running `Command { std: "docker" "start" "-a" "06182c34b46a24a7826f7cad37a4c08d79a1f547b16bbe451040e3c528d7c74c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.15
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling libloading v0.8.6
[INFO] [stderr]    Compiling bitflags v2.8.0
[INFO] [stderr]    Compiling bindgen v0.68.1
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling cc v1.2.10
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling nix v0.27.1
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling cexpr v0.6.0
[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 ureeves-userfaultfd-sys v0.5.0
[INFO] [stderr]    Compiling ureeves-userfaultfd v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.67s
[INFO] running `Command { std: "docker" "inspect" "06182c34b46a24a7826f7cad37a4c08d79a1f547b16bbe451040e3c528d7c74c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06182c34b46a24a7826f7cad37a4c08d79a1f547b16bbe451040e3c528d7c74c", kill_on_drop: false }`
[INFO] [stdout] 06182c34b46a24a7826f7cad37a4c08d79a1f547b16bbe451040e3c528d7c74c
[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" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bddff5e64d1fa718dd42992a7b8679980e0613781eb24e2a65445643aff6a1a1
[INFO] running `Command { std: "docker" "start" "-a" "bddff5e64d1fa718dd42992a7b8679980e0613781eb24e2a65445643aff6a1a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling ureeves-userfaultfd v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "bddff5e64d1fa718dd42992a7b8679980e0613781eb24e2a65445643aff6a1a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bddff5e64d1fa718dd42992a7b8679980e0613781eb24e2a65445643aff6a1a1", kill_on_drop: false }`
[INFO] [stdout] bddff5e64d1fa718dd42992a7b8679980e0613781eb24e2a65445643aff6a1a1
[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" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 912eebb13953da8183f87880de401ed11eb648d0a8cfa80c6368c094d99e32ed
[INFO] running `Command { std: "docker" "start" "-a" "912eebb13953da8183f87880de401ed11eb648d0a8cfa80c6368c094d99e32ed", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ureeves_userfaultfd-66524ded81a17cac)
[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 0.14s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "912eebb13953da8183f87880de401ed11eb648d0a8cfa80c6368c094d99e32ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "912eebb13953da8183f87880de401ed11eb648d0a8cfa80c6368c094d99e32ed", kill_on_drop: false }`
[INFO] [stdout] 912eebb13953da8183f87880de401ed11eb648d0a8cfa80c6368c094d99e32ed
