[INFO] fetching crate littlefs2 0.3.1...
[INFO] testing littlefs2-0.3.1 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate littlefs2 0.3.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate littlefs2 0.3.1 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate littlefs2 0.3.1
[INFO] finished tweaking crates.io crate littlefs2 0.3.1
[INFO] tweaked toml for crates.io crate littlefs2 0.3.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 387d38dc9c43130200876a79990ab9fe5416c5408a138f8a0e9c0ff09d3697cd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "387d38dc9c43130200876a79990ab9fe5416c5408a138f8a0e9c0ff09d3697cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "387d38dc9c43130200876a79990ab9fe5416c5408a138f8a0e9c0ff09d3697cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "387d38dc9c43130200876a79990ab9fe5416c5408a138f8a0e9c0ff09d3697cd", kill_on_drop: false }`
[INFO] [stdout] 387d38dc9c43130200876a79990ab9fe5416c5408a138f8a0e9c0ff09d3697cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f808a736bcdf663406660472f5894fbb019a4b7743cd0bc834bb73340c9d348
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0f808a736bcdf663406660472f5894fbb019a4b7743cd0bc834bb73340c9d348", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling bindgen v0.56.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling cty v0.2.1
[INFO] [stderr]    Compiling delog v0.1.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling heapless v0.7.3
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling clang-sys v1.2.0
[INFO] [stderr]    Compiling cstr_core v0.2.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling littlefs2-sys v0.1.6
[INFO] [stderr]    Compiling littlefs2 v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `Command { std: "docker" "inspect" "0f808a736bcdf663406660472f5894fbb019a4b7743cd0bc834bb73340c9d348", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f808a736bcdf663406660472f5894fbb019a4b7743cd0bc834bb73340c9d348", kill_on_drop: false }`
[INFO] [stdout] 0f808a736bcdf663406660472f5894fbb019a4b7743cd0bc834bb73340c9d348
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b6fdb494bd5e7ab36fc1994a0e4ee8d7a6401190921bdaa153923318a7b0eb5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2b6fdb494bd5e7ab36fc1994a0e4ee8d7a6401190921bdaa153923318a7b0eb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling encode_unicode v0.3.6
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling ssmarshal v1.0.0
[INFO] [stderr]    Compiling littlefs2 v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.09s
[INFO] running `Command { std: "docker" "inspect" "2b6fdb494bd5e7ab36fc1994a0e4ee8d7a6401190921bdaa153923318a7b0eb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b6fdb494bd5e7ab36fc1994a0e4ee8d7a6401190921bdaa153923318a7b0eb5", kill_on_drop: false }`
[INFO] [stdout] 2b6fdb494bd5e7ab36fc1994a0e4ee8d7a6401190921bdaa153923318a7b0eb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4e88ed758d5ed2ae1741f083d60f3168cb23e5a62dafd32c5b180e8336e6bebf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4e88ed758d5ed2ae1741f083d60f3168cb23e5a62dafd32c5b180e8336e6bebf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/littlefs2-53d661bc1af80b09)
[INFO] [stdout] running 22 tests
[INFO] [stdout] test fs::tests::issue_3_original_report ... ok
[INFO] [stdout] test fs::tests::nested ... ok
[INFO] [stdout] test path::tests::trailing_nuls ... ok
[INFO] [stdout] test tests::borrow_fs_allocation3 ... ok
[INFO] [stdout] test tests::format ... ok
[INFO] [stdout] test tests::test_seek ... ok
[INFO] [stdout] test fs::tests::path ... ok
[INFO] [stdout] test tests::borrow_fs_allocation2 ... ok
[INFO] [stdout] test tests::test_fancy_open ... ok
[INFO] [stdout] test tests::test_iter_dirs ... ok
[INFO] [stdout] test tests::test_fs_with ... ok
[INFO] [stdout] test tests::test_file_set_len ... ok
[INFO] [stdout] test path::tests::nulls ... ok
[INFO] [stdout] test tests::version ... ok
[INFO] [stdout] test tests::borrow_fs_allocation ... ok
[INFO] [stdout] test tests::attributes ... ok
[INFO] [stdout] test tests::test_unbind ... ok
[INFO] [stdout] test fs::tests::remove_dir_all ... ok
[INFO] [stdout] test path::tests::join ... ok
[INFO] [stdout] test tests::test_create ... ok
[INFO] [stdout] test fs::tests::todo ... ok
[INFO] [stdout] test fs::tests::open_file_with_options_and_then ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_serde.rs (/opt/rustwide/target/debug/deps/test_serde-4a868219fd3b977a)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests littlefs2
[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 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 79) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.99s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4e88ed758d5ed2ae1741f083d60f3168cb23e5a62dafd32c5b180e8336e6bebf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e88ed758d5ed2ae1741f083d60f3168cb23e5a62dafd32c5b180e8336e6bebf", kill_on_drop: false }`
[INFO] [stdout] 4e88ed758d5ed2ae1741f083d60f3168cb23e5a62dafd32c5b180e8336e6bebf