Dec 15 14:43:23.072 INFO testing flep-0.2.0 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 14:43:23.072 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 14:43:23.324 INFO [stdout] 74d5fb8a83498ded2ef3304c06e8786b542ea4da33f358d8dc199267345b2f3b
Dec 15 14:43:23.328 INFO running `"docker" "start" "-a" "74d5fb8a83498ded2ef3304c06e8786b542ea4da33f358d8dc199267345b2f3b"`
Dec 15 14:43:24.316 INFO [stderr] usermod: no changes
Dec 15 14:43:24.423 INFO [stderr]    Compiling rfc1700 v0.1.2
Dec 15 14:43:24.617 INFO [stderr]    Compiling flep_protocol v0.2.0
Dec 15 14:43:29.095 INFO [stderr]    Compiling flep v0.2.0 (/source)
Dec 15 14:43:31.335 INFO [stderr] warning: variable does not need to be mutable
Dec 15 14:43:31.335 INFO [stderr]  --> src/server/client/state/handle/cwd.rs:7:9
Dec 15 14:43:31.335 INFO [stderr]   |
Dec 15 14:43:31.335 INFO [stderr] 7 |     let mut session = client.session.expect_ready_mut()?;
Dec 15 14:43:31.335 INFO [stderr]   |         ----^^^^^^^
Dec 15 14:43:31.335 INFO [stderr]   |         |
Dec 15 14:43:31.335 INFO [stderr]   |         help: remove this `mut`
Dec 15 14:43:31.335 INFO [stderr]   |
Dec 15 14:43:31.335 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 15 14:43:31.335 INFO [stderr] 
Dec 15 14:43:31.337 INFO [stderr] warning: variable does not need to be mutable
Dec 15 14:43:31.337 INFO [stderr]  --> src/server/client/state/handle/cdup.rs:6:9
Dec 15 14:43:31.337 INFO [stderr]   |
Dec 15 14:43:31.337 INFO [stderr] 6 |     let mut session = client.session.expect_ready_mut()?;
Dec 15 14:43:31.337 INFO [stderr]   |         ----^^^^^^^
Dec 15 14:43:31.337 INFO [stderr]   |         |
Dec 15 14:43:31.337 INFO [stderr]   |         help: remove this `mut`
Dec 15 14:43:31.337 INFO [stderr] 
Dec 15 14:43:31.341 INFO [stderr] warning: variable does not need to be mutable
Dec 15 14:43:31.341 INFO [stderr]  --> src/server/client/state/handle/ty.rs:7:9
Dec 15 14:43:31.341 INFO [stderr]   |
Dec 15 14:43:31.341 INFO [stderr] 7 |     let mut session = client.session.expect_ready_mut()?;
Dec 15 14:43:31.341 INFO [stderr]   |         ----^^^^^^^
Dec 15 14:43:31.341 INFO [stderr]   |         |
Dec 15 14:43:31.341 INFO [stderr]   |         help: remove this `mut`
Dec 15 14:43:31.341 INFO [stderr] 
Dec 15 14:43:31.342 INFO [stderr] warning: variable does not need to be mutable
Dec 15 14:43:31.342 INFO [stderr]   --> src/server/client/state/handle/passive.rs:26:9
Dec 15 14:43:31.342 INFO [stderr]    |
Dec 15 14:43:31.342 INFO [stderr] 26 |     let mut session = client.session.expect_ready_mut()?;
Dec 15 14:43:31.342 INFO [stderr]    |         ----^^^^^^^
Dec 15 14:43:31.342 INFO [stderr]    |         |
Dec 15 14:43:31.342 INFO [stderr]    |         help: remove this `mut`
Dec 15 14:43:31.342 INFO [stderr] 
Dec 15 14:43:31.344 INFO [stderr] warning: variable does not need to be mutable
Dec 15 14:43:31.344 INFO [stderr]  --> src/server/client/state/handle/active.rs:8:9
Dec 15 14:43:31.344 INFO [stderr]   |
Dec 15 14:43:31.344 INFO [stderr] 8 |     let mut session = client.session.expect_ready_mut()?;
Dec 15 14:43:31.344 INFO [stderr]   |         ----^^^^^^^
Dec 15 14:43:31.344 INFO [stderr]   |         |
Dec 15 14:43:31.344 INFO [stderr]   |         help: remove this `mut`
Dec 15 14:43:31.344 INFO [stderr] 
Dec 15 14:43:32.362 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.02s
Dec 15 14:43:32.366 INFO [stderr] su: No module specific data is present
Dec 15 14:43:32.672 INFO running `"docker" "inspect" "74d5fb8a83498ded2ef3304c06e8786b542ea4da33f358d8dc199267345b2f3b"`
Dec 15 14:43:32.788 INFO running `"docker" "rm" "-f" "74d5fb8a83498ded2ef3304c06e8786b542ea4da33f358d8dc199267345b2f3b"`
Dec 15 14:43:32.888 INFO [stdout] 74d5fb8a83498ded2ef3304c06e8786b542ea4da33f358d8dc199267345b2f3b
Dec 15 14:43:32.893 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 14:43:33.221 INFO [stdout] 58c33e11293450fdd2e784785b60baa0568c1270fd247263562c65d95e3bf8cc
Dec 15 14:43:33.228 INFO running `"docker" "start" "-a" "58c33e11293450fdd2e784785b60baa0568c1270fd247263562c65d95e3bf8cc"`
Dec 15 14:43:35.339 INFO [stderr] usermod: no changes
Dec 15 14:43:35.465 INFO [stderr]    Compiling flep v0.2.0 (/source)
Dec 15 14:43:38.261 INFO [stderr] warning: variable does not need to be mutable
Dec 15 14:43:38.261 INFO [stderr]  --> src/server/client/state/handle/cwd.rs:7:9
Dec 15 14:43:38.261 INFO [stderr]   |
Dec 15 14:43:38.261 INFO [stderr] 7 |     let mut session = client.session.expect_ready_mut()?;
Dec 15 14:43:38.261 INFO [stderr]   |         ----^^^^^^^
Dec 15 14:43:38.261 INFO [stderr]   |         |
Dec 15 14:43:38.261 INFO [stderr]   |         help: remove this `mut`
Dec 15 14:43:38.261 INFO [stderr]   |
Dec 15 14:43:38.261 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 15 14:43:38.261 INFO [stderr] 
Dec 15 14:43:38.263 INFO [stderr] warning: variable does not need to be mutable
Dec 15 14:43:38.263 INFO [stderr]  --> src/server/client/state/handle/cdup.rs:6:9
Dec 15 14:43:38.263 INFO [stderr]   |
Dec 15 14:43:38.263 INFO [stderr] 6 |     let mut session = client.session.expect_ready_mut()?;
Dec 15 14:43:38.263 INFO [stderr]   |         ----^^^^^^^
Dec 15 14:43:38.263 INFO [stderr]   |         |
Dec 15 14:43:38.263 INFO [stderr]   |         help: remove this `mut`
Dec 15 14:43:38.263 INFO [stderr] 
Dec 15 14:43:38.275 INFO [stderr] warning: variable does not need to be mutable
Dec 15 14:43:38.275 INFO [stderr]  --> src/server/client/state/handle/ty.rs:7:9
Dec 15 14:43:38.275 INFO [stderr]   |
Dec 15 14:43:38.275 INFO [stderr] 7 |     let mut session = client.session.expect_ready_mut()?;
Dec 15 14:43:38.275 INFO [stderr]   |         ----^^^^^^^
Dec 15 14:43:38.275 INFO [stderr]   |         |
Dec 15 14:43:38.275 INFO [stderr]   |         help: remove this `mut`
Dec 15 14:43:38.275 INFO [stderr] 
Dec 15 14:43:38.275 INFO [stderr] warning: variable does not need to be mutable
Dec 15 14:43:38.275 INFO [stderr]   --> src/server/client/state/handle/passive.rs:26:9
Dec 15 14:43:38.275 INFO [stderr]    |
Dec 15 14:43:38.275 INFO [stderr] 26 |     let mut session = client.session.expect_ready_mut()?;
Dec 15 14:43:38.275 INFO [stderr]    |         ----^^^^^^^
Dec 15 14:43:38.275 INFO [stderr]    |         |
Dec 15 14:43:38.275 INFO [stderr]    |         help: remove this `mut`
Dec 15 14:43:38.275 INFO [stderr] 
Dec 15 14:43:38.275 INFO [stderr] warning: variable does not need to be mutable
Dec 15 14:43:38.275 INFO [stderr]  --> src/server/client/state/handle/active.rs:8:9
Dec 15 14:43:38.275 INFO [stderr]   |
Dec 15 14:43:38.275 INFO [stderr] 8 |     let mut session = client.session.expect_ready_mut()?;
Dec 15 14:43:38.275 INFO [stderr]   |         ----^^^^^^^
Dec 15 14:43:38.275 INFO [stderr]   |         |
Dec 15 14:43:38.275 INFO [stderr]   |         help: remove this `mut`
Dec 15 14:43:38.275 INFO [stderr] 
Dec 15 14:43:39.602 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.23s
Dec 15 14:43:39.607 INFO [stderr] su: No module specific data is present
Dec 15 14:43:40.063 INFO running `"docker" "inspect" "58c33e11293450fdd2e784785b60baa0568c1270fd247263562c65d95e3bf8cc"`
Dec 15 14:43:40.260 INFO running `"docker" "rm" "-f" "58c33e11293450fdd2e784785b60baa0568c1270fd247263562c65d95e3bf8cc"`
Dec 15 14:43:40.407 INFO [stdout] 58c33e11293450fdd2e784785b60baa0568c1270fd247263562c65d95e3bf8cc
Dec 15 14:43:40.412 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 14:43:40.646 INFO [stdout] 99131ec3be84af7d3a7814f5931f4ccb286ad931f3c9791f08527035342a27ed
Dec 15 14:43:40.648 INFO running `"docker" "start" "-a" "99131ec3be84af7d3a7814f5931f4ccb286ad931f3c9791f08527035342a27ed"`
Dec 15 14:43:41.343 INFO [stderr] usermod: no changes
Dec 15 14:43:41.417 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
Dec 15 14:43:41.439 INFO [stdout] 
Dec 15 14:43:41.439 INFO [stderr]      Running /target/debug/deps/flep-6bc02b40934c04d4
Dec 15 14:43:41.439 INFO [stdout] running 8 tests
Dec 15 14:43:41.439 INFO [stdout] test fs::memory::test::read_file::correctly_reads_a_top_level_file ... ok
Dec 15 14:43:41.439 INFO [stdout] test fs::memory::test::write_file::correctly_creates_a_top_level_file ... ok
Dec 15 14:43:41.439 INFO [stdout] test fs::memory::test::find_node::correctly_finds_top_level_file ... ok
Dec 15 14:43:41.439 INFO [stdout] test fs::memory::test::find_node::correctly_finds_empty_string_as_root ... ok
Dec 15 14:43:41.489 INFO [stdout] test fs::memory::test::find_node::correctly_finds_empty_root ... ok
Dec 15 14:43:41.489 INFO [stdout] test fs::memory::test::find_node::correctly_finds_nested_file ... ok
Dec 15 14:43:41.490 INFO [stdout] test fs::memory::test::find_node::correctly_finds_top_level_directory ... ok
Dec 15 14:43:41.490 INFO [stdout] test fs::memory::test::create_dir::correctly_creates_a_top_level_dir ... ok
Dec 15 14:43:41.490 INFO [stdout] 
Dec 15 14:43:41.490 INFO [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 14:43:41.490 INFO [stdout] 
Dec 15 14:43:41.490 INFO [stderr]    Doc-tests flep
Dec 15 14:43:44.723 INFO [stdout] 
Dec 15 14:43:44.723 INFO [stdout] running 0 tests
Dec 15 14:43:44.723 INFO [stdout] 
Dec 15 14:43:44.723 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 14:43:44.723 INFO [stdout] 
Dec 15 14:43:44.735 INFO [stderr] su: No module specific data is present
Dec 15 14:43:45.248 INFO running `"docker" "inspect" "99131ec3be84af7d3a7814f5931f4ccb286ad931f3c9791f08527035342a27ed"`
Dec 15 14:43:45.481 INFO running `"docker" "rm" "-f" "99131ec3be84af7d3a7814f5931f4ccb286ad931f3c9791f08527035342a27ed"`
Dec 15 14:43:45.658 INFO [stdout] 99131ec3be84af7d3a7814f5931f4ccb286ad931f3c9791f08527035342a27ed