[INFO] fetching crate stuart 0.3.2...
[INFO] testing stuart-0.3.2 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate stuart 0.3.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate stuart 0.3.2
[INFO] finished tweaking crates.io crate stuart 0.3.2
[INFO] tweaked toml for crates.io crate stuart 0.3.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stuart 0.3.2 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 stuart 0.3.2 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded home v0.5.9
[INFO] [stderr]   Downloaded fsevent-sys v2.0.1
[INFO] [stderr]   Downloaded net2 v0.2.37
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[INFO] [stderr]   Downloaded windows-targets v0.52.0
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[INFO] [stderr]   Downloaded stuart_core v0.3.2
[INFO] [stderr]   Downloaded fsevent v0.4.0
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[INFO] [stderr]   Downloaded syn v1.0.99
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[INFO] [stderr]   Downloaded mio-extras v2.0.6
[INFO] [stderr]   Downloaded iana-time-zone v0.1.46
[INFO] [stderr]   Downloaded regex v1.6.0
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[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.82
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.82
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.82
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.52.0
[INFO] [stderr]   Downloaded dateparser v0.1.7
[INFO] [stderr]   Downloaded windows_i686_msvc v0.52.0
[INFO] [stderr]   Downloaded errno v0.3.8
[INFO] [stderr]   Downloaded textwrap v0.15.0
[INFO] [stderr]   Downloaded sct v0.7.0
[INFO] [stderr]   Downloaded rustls-pemfile v0.2.1
[INFO] [stderr]   Downloaded web-sys v0.3.59
[INFO] [stderr]   Downloaded humphrey v0.7.0
[INFO] [stderr]   Downloaded include_dir_macros v0.7.2
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.52.0
[INFO] [stderr]   Downloaded libloading v0.7.3
[INFO] [stderr]   Downloaded libc v0.2.152
[INFO] [stderr]   Downloaded filetime v0.2.17
[INFO] [stderr]   Downloaded slab v0.4.7
[INFO] [stderr]   Downloaded notify v4.0.17
[INFO] [stderr]   Downloaded serde_derive v1.0.144
[INFO] [stderr]   Downloaded android_system_properties v0.1.4
[INFO] [stderr]   Downloaded unicode-ident v1.0.3
[INFO] [stderr]   Downloaded humphrey_json v0.2.0
[INFO] [stderr]   Downloaded toml v0.5.9
[INFO] [stderr]   Downloaded bitflags v2.4.2
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.52.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.52.0
[INFO] [stderr]   Downloaded rustix v0.38.30
[INFO] [stderr]   Downloaded fslock v0.1.8
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.52.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.13
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.82
[INFO] [stderr]   Downloaded serde v1.0.144
[INFO] [stderr]   Downloaded v8 v0.82.0
[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" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 049f9e4d1134788822dd4e0d763add4bbbd56a8a2de3f11d78dc54138ba93b4c
[INFO] running `Command { std: "docker" "start" "-a" "049f9e4d1134788822dd4e0d763add4bbbd56a8a2de3f11d78dc54138ba93b4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "049f9e4d1134788822dd4e0d763add4bbbd56a8a2de3f11d78dc54138ba93b4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "049f9e4d1134788822dd4e0d763add4bbbd56a8a2de3f11d78dc54138ba93b4c", kill_on_drop: false }`
[INFO] [stdout] 049f9e4d1134788822dd4e0d763add4bbbd56a8a2de3f11d78dc54138ba93b4c
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6952f2195befe7304c8edd1b8ac6451798b7aa11ce92e768af38b39029dd19d8
[INFO] running `Command { std: "docker" "start" "-a" "6952f2195befe7304c8edd1b8ac6451798b7aa11ce92e768af38b39029dd19d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling rustls v0.21.7
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling anyhow v1.0.62
[INFO] [stderr]    Compiling base64 v0.21.4
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling rustls-pemfile v1.0.3
[INFO] [stderr]    Compiling pulldown-cmark v0.9.2
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling iana-time-zone v0.1.46
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling rustls-native-certs v0.6.3
[INFO] [stderr]    Compiling rustls-pemfile v0.2.1
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling os_str_bytes v6.3.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling humphrey_json v0.2.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling filetime v0.2.17
[INFO] [stderr]    Compiling include_dir_macros v0.7.2
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling clap v3.2.18
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling chrono v0.4.22
[INFO] [stderr]    Compiling include_dir v0.7.2
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling notify v4.0.17
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling dateparser v0.1.7
[INFO] [stderr]    Compiling stuart_core v0.3.2
[INFO] [stderr]    Compiling rustls-webpki v0.101.6
[INFO] [stderr]    Compiling sct v0.7.0
[INFO] [stderr]    Compiling humphrey v0.7.0
[INFO] [stderr]    Compiling humphrey_ws v0.5.1
[INFO] [stderr]    Compiling stuart v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.07s
[INFO] running `Command { std: "docker" "inspect" "6952f2195befe7304c8edd1b8ac6451798b7aa11ce92e768af38b39029dd19d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6952f2195befe7304c8edd1b8ac6451798b7aa11ce92e768af38b39029dd19d8", kill_on_drop: false }`
[INFO] [stdout] 6952f2195befe7304c8edd1b8ac6451798b7aa11ce92e768af38b39029dd19d8
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56b91257112a7cc0456be612cb4eebd717920951636db0fd4b5bba871f3cbfff
[INFO] running `Command { std: "docker" "start" "-a" "56b91257112a7cc0456be612cb4eebd717920951636db0fd4b5bba871f3cbfff", kill_on_drop: false }`
[INFO] [stderr]    Compiling stuart v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `Command { std: "docker" "inspect" "56b91257112a7cc0456be612cb4eebd717920951636db0fd4b5bba871f3cbfff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56b91257112a7cc0456be612cb4eebd717920951636db0fd4b5bba871f3cbfff", kill_on_drop: false }`
[INFO] [stdout] 56b91257112a7cc0456be612cb4eebd717920951636db0fd4b5bba871f3cbfff
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b82adaf5b93b0b6dd6d37d28f7d21b8be26410d6e31996dacbe87d864dcc14c4
[INFO] running `Command { std: "docker" "start" "-a" "b82adaf5b93b0b6dd6d37d28f7d21b8be26410d6e31996dacbe87d864dcc14c4", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/stuart-76b4ebb2f6b7b488)
[INFO] [stdout] 
[INFO] [stderr] error: could not write to filesystem
[INFO] [stdout] running 1 test
[INFO] [stderr] error: test failed, to rerun pass `--bin stuart`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/stuart-76b4ebb2f6b7b488` (exit status: 1)
[INFO] [stderr] note: test exited abnormally; to see the full output pass --no-capture to the harness.
[INFO] running `Command { std: "docker" "inspect" "b82adaf5b93b0b6dd6d37d28f7d21b8be26410d6e31996dacbe87d864dcc14c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b82adaf5b93b0b6dd6d37d28f7d21b8be26410d6e31996dacbe87d864dcc14c4", kill_on_drop: false }`
[INFO] [stdout] b82adaf5b93b0b6dd6d37d28f7d21b8be26410d6e31996dacbe87d864dcc14c4