[INFO] fetching crate network-flow 0.1.0...
[INFO] testing network-flow-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate network-flow 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate network-flow 0.1.0
[INFO] finished tweaking crates.io crate network-flow 0.1.0
[INFO] tweaked toml for crates.io crate network-flow 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate network-flow 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 48 packages to latest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d40453ffcfd1e009d9342d8709c2ab18576f9b41f45a7ec752795d84607f830
[INFO] running `Command { std: "docker" "start" "-a" "5d40453ffcfd1e009d9342d8709c2ab18576f9b41f45a7ec752795d84607f830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d40453ffcfd1e009d9342d8709c2ab18576f9b41f45a7ec752795d84607f830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d40453ffcfd1e009d9342d8709c2ab18576f9b41f45a7ec752795d84607f830", kill_on_drop: false }`
[INFO] [stdout] 5d40453ffcfd1e009d9342d8709c2ab18576f9b41f45a7ec752795d84607f830
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e39d2d3e65d24d8891e340278bc7ec3251058d5f83b026bc073d2ff318e09c7e
[INFO] running `Command { std: "docker" "start" "-a" "e39d2d3e65d24d8891e340278bc7ec3251058d5f83b026bc073d2ff318e09c7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling dot-structures v0.1.2
[INFO] [stderr]    Compiling pest_generator v2.8.3
[INFO] [stderr]    Compiling dot-generator v0.1.0
[INFO] [stderr]    Compiling into-attr v0.1.1
[INFO] [stderr]    Compiling dot-generator v0.2.0
[INFO] [stderr]    Compiling into-attr-derive v0.1.0
[INFO] [stderr]    Compiling pest_derive v2.8.3
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling graphviz-rust-bla v0.2.0
[INFO] [stderr]    Compiling network-flow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.42s
[INFO] running `Command { std: "docker" "inspect" "e39d2d3e65d24d8891e340278bc7ec3251058d5f83b026bc073d2ff318e09c7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e39d2d3e65d24d8891e340278bc7ec3251058d5f83b026bc073d2ff318e09c7e", kill_on_drop: false }`
[INFO] [stdout] e39d2d3e65d24d8891e340278bc7ec3251058d5f83b026bc073d2ff318e09c7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd859d0ccfb44169af45db338ecfccba7a20bf17fef04922b83da86cf663915e
[INFO] running `Command { std: "docker" "start" "-a" "fd859d0ccfb44169af45db338ecfccba7a20bf17fef04922b83da86cf663915e", kill_on_drop: false }`
[INFO] [stderr]    Compiling network-flow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "fd859d0ccfb44169af45db338ecfccba7a20bf17fef04922b83da86cf663915e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd859d0ccfb44169af45db338ecfccba7a20bf17fef04922b83da86cf663915e", kill_on_drop: false }`
[INFO] [stdout] fd859d0ccfb44169af45db338ecfccba7a20bf17fef04922b83da86cf663915e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] caaf7556c3bd05e50edad4d03e55b8ff09b46fa8311b8817de3b1b20c6671a51
[INFO] running `Command { std: "docker" "start" "-a" "caaf7556c3bd05e50edad4d03e55b8ff09b46fa8311b8817de3b1b20c6671a51", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/network_flow-e4aefa59e2a20094)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[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] [stderr]      Running tests/networkflow_24.rs (/opt/rustwide/target/debug/deps/networkflow_24-379aa59c435a735f)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr]      Running tests/test1.rs (/opt/rustwide/target/debug/deps/test1-cb56f235d9f58dfc)
[INFO] [stdout] test p1251 ... ok
[INFO] [stdout] test p2754 ... ok
[INFO] [stdout] test p2756 ... ok
[INFO] [stdout] test p2762 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 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 main ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test2.rs (/opt/rustwide/target/debug/deps/test2-87f6dd30eaa700d5)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test iotest ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- iotest stdout ----
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     iotest
[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 test2`
[INFO] running `Command { std: "docker" "inspect" "caaf7556c3bd05e50edad4d03e55b8ff09b46fa8311b8817de3b1b20c6671a51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caaf7556c3bd05e50edad4d03e55b8ff09b46fa8311b8817de3b1b20c6671a51", kill_on_drop: false }`
[INFO] [stdout] caaf7556c3bd05e50edad4d03e55b8ff09b46fa8311b8817de3b1b20c6671a51