[INFO] fetching crate flex-page 2.1.0...
[INFO] testing flex-page-2.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate flex-page 2.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate flex-page 2.1.0
[INFO] finished tweaking crates.io crate flex-page 2.1.0
[INFO] tweaked toml for crates.io crate flex-page 2.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate flex-page 2.1.0 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] 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] 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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48745ac54dac26f16b928452d335467c0b2a40ae0035821ce882dd97d9de12e6
[INFO] running `Command { std: "docker" "start" "-a" "48745ac54dac26f16b928452d335467c0b2a40ae0035821ce882dd97d9de12e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48745ac54dac26f16b928452d335467c0b2a40ae0035821ce882dd97d9de12e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48745ac54dac26f16b928452d335467c0b2a40ae0035821ce882dd97d9de12e6", kill_on_drop: false }`
[INFO] [stdout] 48745ac54dac26f16b928452d335467c0b2a40ae0035821ce882dd97d9de12e6
[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=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] 44c707c2e66bc157ac8063763fb9a49f88a55accf8bccccd28a6c6c6e0ff5ae0
[INFO] running `Command { std: "docker" "start" "-a" "44c707c2e66bc157ac8063763fb9a49f88a55accf8bccccd28a6c6c6e0ff5ae0", kill_on_drop: false }`
[INFO] [stderr]    Compiling flex-page v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "44c707c2e66bc157ac8063763fb9a49f88a55accf8bccccd28a6c6c6e0ff5ae0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44c707c2e66bc157ac8063763fb9a49f88a55accf8bccccd28a6c6c6e0ff5ae0", kill_on_drop: false }`
[INFO] [stdout] 44c707c2e66bc157ac8063763fb9a49f88a55accf8bccccd28a6c6c6e0ff5ae0
[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=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] f268fba7c12e8d971e56ee5fd11263f4cad5472009a067916406834f87c33728
[INFO] running `Command { std: "docker" "start" "-a" "f268fba7c12e8d971e56ee5fd11263f4cad5472009a067916406834f87c33728", kill_on_drop: false }`
[INFO] [stderr]    Compiling flex-page v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "f268fba7c12e8d971e56ee5fd11263f4cad5472009a067916406834f87c33728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f268fba7c12e8d971e56ee5fd11263f4cad5472009a067916406834f87c33728", kill_on_drop: false }`
[INFO] [stdout] f268fba7c12e8d971e56ee5fd11263f4cad5472009a067916406834f87c33728
[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=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] 697e6ce305e1e76ddd333cb1bdc08d2e152e24289f045d460eef2b396e2b3d85
[INFO] running `Command { std: "docker" "start" "-a" "697e6ce305e1e76ddd333cb1bdc08d2e152e24289f045d460eef2b396e2b3d85", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/flex_page-26a21d0ab5eb7b10)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/alloc.rs (/opt/rustwide/target/debug/deps/alloc-6215476d548ab173)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test alloc_page ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- alloc_page stdout ----
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     alloc_page
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test alloc`
[INFO] running `Command { std: "docker" "inspect" "697e6ce305e1e76ddd333cb1bdc08d2e152e24289f045d460eef2b396e2b3d85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "697e6ce305e1e76ddd333cb1bdc08d2e152e24289f045d460eef2b396e2b3d85", kill_on_drop: false }`
[INFO] [stdout] 697e6ce305e1e76ddd333cb1bdc08d2e152e24289f045d460eef2b396e2b3d85