Dec 15 14:43:22.589 INFO testing flep-0.2.0 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 15 14:43:22.589 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 15 14:43:22.853 INFO [stdout] 09a2b51088a40cbce7b38047497935a2817a4672aa115c23877083c5ae460e8c
Dec 15 14:43:22.860 INFO running `"docker" "start" "-a" "09a2b51088a40cbce7b38047497935a2817a4672aa115c23877083c5ae460e8c"`
Dec 15 14:43:23.470 INFO [stderr] usermod: no changes
Dec 15 14:43:23.575 INFO [stderr]    Compiling rfc1700 v0.1.2
Dec 15 14:43:23.758 INFO [stderr]    Compiling flep_protocol v0.2.0
Dec 15 14:43:27.391 INFO [stderr]    Compiling flep v0.2.0 (/source)
Dec 15 14:43:29.963 INFO [stderr] warning: variable does not need to be mutable
Dec 15 14:43:29.963 INFO [stderr]  --> src/server/client/state/handle/cwd.rs:7:9
Dec 15 14:43:29.963 INFO [stderr]   |
Dec 15 14:43:29.963 INFO [stderr] 7 |     let mut session = client.session.expect_ready_mut()?;
Dec 15 14:43:29.963 INFO [stderr]   |         ----^^^^^^^
Dec 15 14:43:29.963 INFO [stderr]   |         |
Dec 15 14:43:29.963 INFO [stderr]   |         help: remove this `mut`
Dec 15 14:43:29.963 INFO [stderr]   |
Dec 15 14:43:29.963 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 15 14:43:29.963 INFO [stderr] 
Dec 15 14:43:29.963 INFO [stderr] warning: variable does not need to be mutable
Dec 15 14:43:29.963 INFO [stderr]  --> src/server/client/state/handle/cdup.rs:6:9
Dec 15 14:43:29.963 INFO [stderr]   |
Dec 15 14:43:29.963 INFO [stderr] 6 |     let mut session = client.session.expect_ready_mut()?;
Dec 15 14:43:29.963 INFO [stderr]   |         ----^^^^^^^
Dec 15 14:43:29.963 INFO [stderr]   |         |
Dec 15 14:43:29.963 INFO [stderr]   |         help: remove this `mut`
Dec 15 14:43:29.963 INFO [stderr] 
Dec 15 14:43:29.971 INFO [stderr] warning: variable does not need to be mutable
Dec 15 14:43:29.971 INFO [stderr]  --> src/server/client/state/handle/ty.rs:7:9
Dec 15 14:43:29.971 INFO [stderr]   |
Dec 15 14:43:29.971 INFO [stderr] 7 |     let mut session = client.session.expect_ready_mut()?;
Dec 15 14:43:29.971 INFO [stderr]   |         ----^^^^^^^
Dec 15 14:43:29.971 INFO [stderr]   |         |
Dec 15 14:43:29.971 INFO [stderr]   |         help: remove this `mut`
Dec 15 14:43:29.971 INFO [stderr] 
Dec 15 14:43:29.971 INFO [stderr] warning: variable does not need to be mutable
Dec 15 14:43:29.971 INFO [stderr]   --> src/server/client/state/handle/passive.rs:26:9
Dec 15 14:43:29.971 INFO [stderr]    |
Dec 15 14:43:29.971 INFO [stderr] 26 |     let mut session = client.session.expect_ready_mut()?;
Dec 15 14:43:29.971 INFO [stderr]    |         ----^^^^^^^
Dec 15 14:43:29.971 INFO [stderr]    |         |
Dec 15 14:43:29.971 INFO [stderr]    |         help: remove this `mut`
Dec 15 14:43:29.971 INFO [stderr] 
Dec 15 14:43:29.971 INFO [stderr] warning: variable does not need to be mutable
Dec 15 14:43:29.971 INFO [stderr]  --> src/server/client/state/handle/active.rs:8:9
Dec 15 14:43:29.971 INFO [stderr]   |
Dec 15 14:43:29.971 INFO [stderr] 8 |     let mut session = client.session.expect_ready_mut()?;
Dec 15 14:43:29.971 INFO [stderr]   |         ----^^^^^^^
Dec 15 14:43:29.971 INFO [stderr]   |         |
Dec 15 14:43:29.971 INFO [stderr]   |         help: remove this `mut`
Dec 15 14:43:29.971 INFO [stderr] 
Dec 15 14:43:31.295 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.79s
Dec 15 14:43:31.297 INFO [stderr] su: No module specific data is present
Dec 15 14:43:31.705 INFO running `"docker" "inspect" "09a2b51088a40cbce7b38047497935a2817a4672aa115c23877083c5ae460e8c"`
Dec 15 14:43:31.919 INFO running `"docker" "rm" "-f" "09a2b51088a40cbce7b38047497935a2817a4672aa115c23877083c5ae460e8c"`
Dec 15 14:43:32.167 INFO [stdout] 09a2b51088a40cbce7b38047497935a2817a4672aa115c23877083c5ae460e8c
Dec 15 14:43:32.170 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 15 14:43:32.439 INFO [stdout] 9ff10c19d640cffa731019ccf9eac7593e6b91b1cfe746e301fc86954af265c8
Dec 15 14:43:32.444 INFO running `"docker" "start" "-a" "9ff10c19d640cffa731019ccf9eac7593e6b91b1cfe746e301fc86954af265c8"`
Dec 15 14:43:33.217 INFO [stderr] usermod: no changes
Dec 15 14:43:33.416 INFO [stderr]    Compiling flep v0.2.0 (/source)
Dec 15 14:43:36.427 INFO [stderr] warning: variable does not need to be mutable
Dec 15 14:43:36.427 INFO [stderr]  --> src/server/client/state/handle/cwd.rs:7:9
Dec 15 14:43:36.427 INFO [stderr]   |
Dec 15 14:43:36.427 INFO [stderr] 7 |     let mut session = client.session.expect_ready_mut()?;
Dec 15 14:43:36.427 INFO [stderr]   |         ----^^^^^^^
Dec 15 14:43:36.427 INFO [stderr]   |         |
Dec 15 14:43:36.427 INFO [stderr]   |         help: remove this `mut`
Dec 15 14:43:36.427 INFO [stderr]   |
Dec 15 14:43:36.427 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 15 14:43:36.427 INFO [stderr] 
Dec 15 14:43:36.431 INFO [stderr] warning: variable does not need to be mutable
Dec 15 14:43:36.431 INFO [stderr]  --> src/server/client/state/handle/cdup.rs:6:9
Dec 15 14:43:36.431 INFO [stderr]   |
Dec 15 14:43:36.431 INFO [stderr] 6 |     let mut session = client.session.expect_ready_mut()?;
Dec 15 14:43:36.431 INFO [stderr]   |         ----^^^^^^^
Dec 15 14:43:36.431 INFO [stderr]   |         |
Dec 15 14:43:36.431 INFO [stderr]   |         help: remove this `mut`
Dec 15 14:43:36.431 INFO [stderr] 
Dec 15 14:43:36.434 INFO [stderr] warning: variable does not need to be mutable
Dec 15 14:43:36.434 INFO [stderr]  --> src/server/client/state/handle/ty.rs:7:9
Dec 15 14:43:36.434 INFO [stderr]   |
Dec 15 14:43:36.434 INFO [stderr] 7 |     let mut session = client.session.expect_ready_mut()?;
Dec 15 14:43:36.434 INFO [stderr]   |         ----^^^^^^^
Dec 15 14:43:36.434 INFO [stderr]   |         |
Dec 15 14:43:36.434 INFO [stderr]   |         help: remove this `mut`
Dec 15 14:43:36.434 INFO [stderr] 
Dec 15 14:43:36.437 INFO [stderr] warning: variable does not need to be mutable
Dec 15 14:43:36.437 INFO [stderr]   --> src/server/client/state/handle/passive.rs:26:9
Dec 15 14:43:36.437 INFO [stderr]    |
Dec 15 14:43:36.437 INFO [stderr] 26 |     let mut session = client.session.expect_ready_mut()?;
Dec 15 14:43:36.437 INFO [stderr]    |         ----^^^^^^^
Dec 15 14:43:36.437 INFO [stderr]    |         |
Dec 15 14:43:36.437 INFO [stderr]    |         help: remove this `mut`
Dec 15 14:43:36.437 INFO [stderr] 
Dec 15 14:43:36.437 INFO [stderr] warning: variable does not need to be mutable
Dec 15 14:43:36.437 INFO [stderr]  --> src/server/client/state/handle/active.rs:8:9
Dec 15 14:43:36.437 INFO [stderr]   |
Dec 15 14:43:36.437 INFO [stderr] 8 |     let mut session = client.session.expect_ready_mut()?;
Dec 15 14:43:36.437 INFO [stderr]   |         ----^^^^^^^
Dec 15 14:43:36.437 INFO [stderr]   |         |
Dec 15 14:43:36.437 INFO [stderr]   |         help: remove this `mut`
Dec 15 14:43:36.437 INFO [stderr] 
Dec 15 14:43:38.135 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.87s
Dec 15 14:43:38.135 INFO [stderr] su: No module specific data is present
Dec 15 14:43:38.631 INFO running `"docker" "inspect" "9ff10c19d640cffa731019ccf9eac7593e6b91b1cfe746e301fc86954af265c8"`
Dec 15 14:43:38.838 INFO running `"docker" "rm" "-f" "9ff10c19d640cffa731019ccf9eac7593e6b91b1cfe746e301fc86954af265c8"`
Dec 15 14:43:39.046 INFO [stdout] 9ff10c19d640cffa731019ccf9eac7593e6b91b1cfe746e301fc86954af265c8
Dec 15 14:43:39.054 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 15 14:43:39.434 INFO [stdout] 7cae261e1e2d4f402f68bc19e7a29bb011a6e742be98824efbfe90960655d57f
Dec 15 14:43:39.439 INFO running `"docker" "start" "-a" "7cae261e1e2d4f402f68bc19e7a29bb011a6e742be98824efbfe90960655d57f"`
Dec 15 14:43:40.299 INFO [stderr] usermod: no changes
Dec 15 14:43:40.386 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
Dec 15 14:43:40.401 INFO [stderr]      Running /target/debug/deps/flep-d7ddeaa202a62f13
Dec 15 14:43:40.403 INFO [stdout] 
Dec 15 14:43:40.403 INFO [stdout] running 8 tests
Dec 15 14:43:40.419 INFO [stdout] test fs::memory::test::find_node::correctly_finds_empty_string_as_root ... ok
Dec 15 14:43:40.419 INFO [stdout] test fs::memory::test::find_node::correctly_finds_empty_root ... ok
Dec 15 14:43:40.419 INFO [stdout] test fs::memory::test::find_node::correctly_finds_top_level_file ... ok
Dec 15 14:43:40.419 INFO [stdout] test fs::memory::test::find_node::correctly_finds_top_level_directory ... ok
Dec 15 14:43:40.419 INFO [stdout] test fs::memory::test::find_node::correctly_finds_nested_file ... ok
Dec 15 14:43:40.419 INFO [stdout] test fs::memory::test::create_dir::correctly_creates_a_top_level_dir ... ok
Dec 15 14:43:40.426 INFO [stdout] test fs::memory::test::read_file::correctly_reads_a_top_level_file ... ok
Dec 15 14:43:40.426 INFO [stdout] test fs::memory::test::write_file::correctly_creates_a_top_level_file ... ok
Dec 15 14:43:40.426 INFO [stdout] 
Dec 15 14:43:40.426 INFO [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 14:43:40.426 INFO [stdout] 
Dec 15 14:43:40.427 INFO [stderr]    Doc-tests flep
Dec 15 14:43:43.781 INFO [stdout] 
Dec 15 14:43:43.781 INFO [stdout] running 0 tests
Dec 15 14:43:43.781 INFO [stdout] 
Dec 15 14:43:43.781 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 14:43:43.781 INFO [stdout] 
Dec 15 14:43:43.788 INFO [stderr] su: No module specific data is present
Dec 15 14:43:44.293 INFO running `"docker" "inspect" "7cae261e1e2d4f402f68bc19e7a29bb011a6e742be98824efbfe90960655d57f"`
Dec 15 14:43:44.480 INFO running `"docker" "rm" "-f" "7cae261e1e2d4f402f68bc19e7a29bb011a6e742be98824efbfe90960655d57f"`
Dec 15 14:43:44.648 INFO [stdout] 7cae261e1e2d4f402f68bc19e7a29bb011a6e742be98824efbfe90960655d57f