[INFO] fetching crate stuart 0.3.2...
[INFO] testing stuart-0.3.2 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate stuart 0.3.2 into /workspace/builds/worker-4-tc2/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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stuart 0.3.2 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10c513a1d9c0b142b328f2ce963584891a18639f37beebfbb6ca482c953220b3
[INFO] running `Command { std: "docker" "start" "-a" "10c513a1d9c0b142b328f2ce963584891a18639f37beebfbb6ca482c953220b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10c513a1d9c0b142b328f2ce963584891a18639f37beebfbb6ca482c953220b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10c513a1d9c0b142b328f2ce963584891a18639f37beebfbb6ca482c953220b3", kill_on_drop: false }`
[INFO] [stdout] 10c513a1d9c0b142b328f2ce963584891a18639f37beebfbb6ca482c953220b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84cae591384b8ce2ac06e1f78b6c60f39d54f1426f2b634824c3763f1d1cf22e
[INFO] running `Command { std: "docker" "start" "-a" "84cae591384b8ce2ac06e1f78b6c60f39d54f1426f2b634824c3763f1d1cf22e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling rustls v0.21.7
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling base64 v0.21.4
[INFO] [stderr]    Compiling anyhow v1.0.62
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling iana-time-zone v0.1.46
[INFO] [stderr]    Compiling pulldown-cmark v0.9.2
[INFO] [stderr]    Compiling rustls-pemfile v0.2.1
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling os_str_bytes v6.3.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling humphrey_json v0.2.0
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling rustls-pemfile v1.0.3
[INFO] [stderr]    Compiling rustls-native-certs v0.6.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling include_dir_macros v0.7.2
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling filetime v0.2.17
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v3.2.18
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling include_dir v0.7.2
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling chrono v0.4.22
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling notify v4.0.17
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling dateparser v0.1.7
[INFO] [stderr]    Compiling stuart_core v0.3.2
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling sct v0.7.0
[INFO] [stderr]    Compiling rustls-webpki v0.101.6
[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 31.11s
[INFO] running `Command { std: "docker" "inspect" "84cae591384b8ce2ac06e1f78b6c60f39d54f1426f2b634824c3763f1d1cf22e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84cae591384b8ce2ac06e1f78b6c60f39d54f1426f2b634824c3763f1d1cf22e", kill_on_drop: false }`
[INFO] [stdout] 84cae591384b8ce2ac06e1f78b6c60f39d54f1426f2b634824c3763f1d1cf22e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2472b864553c9e941e08c901cb2d323391bd611d69f4a9c54b717dcab2f1f305
[INFO] running `Command { std: "docker" "start" "-a" "2472b864553c9e941e08c901cb2d323391bd611d69f4a9c54b717dcab2f1f305", kill_on_drop: false }`
[INFO] [stderr]    Compiling stuart v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.24s
[INFO] running `Command { std: "docker" "inspect" "2472b864553c9e941e08c901cb2d323391bd611d69f4a9c54b717dcab2f1f305", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2472b864553c9e941e08c901cb2d323391bd611d69f4a9c54b717dcab2f1f305", kill_on_drop: false }`
[INFO] [stdout] 2472b864553c9e941e08c901cb2d323391bd611d69f4a9c54b717dcab2f1f305
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 06103aa674cefded1392d5824cf0c9475f30b4f562ef5130ac1fbd494b9f3674
[INFO] running `Command { std: "docker" "start" "-a" "06103aa674cefded1392d5824cf0c9475f30b4f562ef5130ac1fbd494b9f3674", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/stuart-76b4ebb2f6b7b488)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: could not write to filesystem
[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 --nocapture to the harness.
[INFO] running `Command { std: "docker" "inspect" "06103aa674cefded1392d5824cf0c9475f30b4f562ef5130ac1fbd494b9f3674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06103aa674cefded1392d5824cf0c9475f30b4f562ef5130ac1fbd494b9f3674", kill_on_drop: false }`
[INFO] [stdout] 06103aa674cefded1392d5824cf0c9475f30b4f562ef5130ac1fbd494b9f3674