[INFO] fetching crate littlefs2 0.3.1...
[INFO] testing littlefs2-0.3.1 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate littlefs2 0.3.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate littlefs2 0.3.1 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cstr_core v0.2.4
[INFO] [stderr]   Downloaded ssmarshal v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c50c5a8e7fe94707a0530938e8d6b7ea14a47b3411987d021338db56947e8ba0
[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" "c50c5a8e7fe94707a0530938e8d6b7ea14a47b3411987d021338db56947e8ba0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c50c5a8e7fe94707a0530938e8d6b7ea14a47b3411987d021338db56947e8ba0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c50c5a8e7fe94707a0530938e8d6b7ea14a47b3411987d021338db56947e8ba0", kill_on_drop: false }`
[INFO] [stdout] c50c5a8e7fe94707a0530938e8d6b7ea14a47b3411987d021338db56947e8ba0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1e9d23b53bfd816164999046335fe57fe86b7b21265244a1ebf7427e08a8311
[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" "b1e9d23b53bfd816164999046335fe57fe86b7b21265244a1ebf7427e08a8311", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling bindgen v0.56.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[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 serde v1.0.127
[INFO] [stderr]    Compiling heapless v0.7.3
[INFO] [stderr]    Compiling delog v0.1.2
[INFO] [stderr]    Compiling cty v0.2.1
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling cstr_core v0.2.4
[INFO] [stderr]    Compiling clang-sys v1.2.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling regex v1.5.4
[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 08s
[INFO] running `Command { std: "docker" "inspect" "b1e9d23b53bfd816164999046335fe57fe86b7b21265244a1ebf7427e08a8311", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1e9d23b53bfd816164999046335fe57fe86b7b21265244a1ebf7427e08a8311", kill_on_drop: false }`
[INFO] [stdout] b1e9d23b53bfd816164999046335fe57fe86b7b21265244a1ebf7427e08a8311
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cf42ba01f142b4aa09659afb8fc09adcef861ab7e0854369beff184c1d786098
[INFO] running `Command { std: "docker" "start" "-a" "cf42ba01f142b4aa09659afb8fc09adcef861ab7e0854369beff184c1d786098", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling encode_unicode v0.3.6
[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 12.46s
[INFO] running `Command { std: "docker" "inspect" "cf42ba01f142b4aa09659afb8fc09adcef861ab7e0854369beff184c1d786098", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf42ba01f142b4aa09659afb8fc09adcef861ab7e0854369beff184c1d786098", kill_on_drop: false }`
[INFO] [stdout] cf42ba01f142b4aa09659afb8fc09adcef861ab7e0854369beff184c1d786098
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 469047f2e08f53501a2693c369f855471415b914b6d2f632fad83cb7d0e70fb9
[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" "469047f2e08f53501a2693c369f855471415b914b6d2f632fad83cb7d0e70fb9", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 22 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/littlefs2-53d661bc1af80b09)
[INFO] [stdout] test fs::tests::nested ... ok
[INFO] [stdout] test fs::tests::open_file_with_options_and_then ... ok
[INFO] [stdout] test tests::test_file_set_len ... ok
[INFO] [stdout] test path::tests::nulls ... ok
[INFO] [stdout] test path::tests::trailing_nuls ... ok
[INFO] [stdout] test tests::format ... ok
[INFO] [stdout] test tests::test_unbind ... ok
[INFO] [stdout] test tests::attributes ... ok
[INFO] [stdout] test fs::tests::issue_3_original_report ... ok
[INFO] [stdout] test fs::tests::remove_dir_all ... ok
[INFO] [stdout] test tests::test_seek ... ok
[INFO] [stdout] test tests::borrow_fs_allocation ... ok
[INFO] [stdout] test tests::borrow_fs_allocation2 ... ok
[INFO] [stdout] test path::tests::join ... ok
[INFO] [stdout] test tests::test_fancy_open ... ok
[INFO] [stdout] test tests::test_iter_dirs ... ok
[INFO] [stdout] test fs::tests::path ... ok
[INFO] [stderr]      Running tests/test_serde.rs (/opt/rustwide/target/debug/deps/test_serde-4a868219fd3b977a)
[INFO] [stdout] test tests::version ... ok
[INFO] [stdout] test fs::tests::todo ... ok
[INFO] [stdout] test tests::test_fs_with ... ok
[INFO] [stdout] test tests::test_create ... ok
[INFO] [stdout] test tests::borrow_fs_allocation3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests littlefs2
[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] [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 0.93s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "469047f2e08f53501a2693c369f855471415b914b6d2f632fad83cb7d0e70fb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "469047f2e08f53501a2693c369f855471415b914b6d2f632fad83cb7d0e70fb9", kill_on_drop: false }`
[INFO] [stdout] 469047f2e08f53501a2693c369f855471415b914b6d2f632fad83cb7d0e70fb9