[INFO] fetching crate littlefs2 0.3.2...
[INFO] testing littlefs2-0.3.2 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate littlefs2 0.3.2 into /workspace/builds/worker-105/source
[INFO] validating manifest of crates.io crate littlefs2 0.3.2 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate littlefs2 0.3.2
[INFO] finished tweaking crates.io crate littlefs2 0.3.2
[INFO] tweaked toml for crates.io crate littlefs2 0.3.2 written to /workspace/builds/worker-105/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded spin v0.9.2
[INFO] [stderr]   Downloaded atomic-polyfill v0.1.5
[INFO] [stderr]   Downloaded hash32 v0.2.1
[INFO] [stderr]   Downloaded heapless v0.7.8
[INFO] [stderr]   Downloaded ssmarshal v1.0.0
[INFO] [stderr]   Downloaded critical-section v0.2.5
[INFO] [stderr]   Downloaded vcell v0.1.3
[INFO] [stderr]   Downloaded bare-metal v0.2.5
[INFO] [stderr]   Downloaded embedded-hal v0.2.6
[INFO] [stderr]   Downloaded bit_field v0.10.1
[INFO] [stderr]   Downloaded delog v0.1.2
[INFO] [stderr]   Downloaded cstr_core v0.2.4
[INFO] [stderr]   Downloaded bare-metal v1.0.0
[INFO] [stderr]   Downloaded cortex-m v0.7.3
[INFO] [stderr]   Downloaded encode_unicode v0.3.6
[INFO] [stderr]   Downloaded bitfield v0.13.2
[INFO] [stderr]   Downloaded riscv v0.7.0
[INFO] [stderr]   Downloaded nb v1.0.0
[INFO] [stderr]   Downloaded nb v0.1.3
[INFO] [stderr]   Downloaded volatile-register v0.2.1
[INFO] [stderr]   Downloaded riscv-target v0.1.2
[INFO] [stderr]   Downloaded littlefs2-sys v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 689293dae7867f820c0107113f5ae9c021ff7af165975e7e73bd6c8b75016a65
[INFO] running `Command { std: "docker" "start" "-a" "689293dae7867f820c0107113f5ae9c021ff7af165975e7e73bd6c8b75016a65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "689293dae7867f820c0107113f5ae9c021ff7af165975e7e73bd6c8b75016a65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "689293dae7867f820c0107113f5ae9c021ff7af165975e7e73bd6c8b75016a65", kill_on_drop: false }`
[INFO] [stdout] 689293dae7867f820c0107113f5ae9c021ff7af165975e7e73bd6c8b75016a65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3a19a29eb2e41e75f13fd9599e2604245e3f5e4a1602207d1d7cb7e400047c1
[INFO] running `Command { std: "docker" "start" "-a" "e3a19a29eb2e41e75f13fd9599e2604245e3f5e4a1602207d1d7cb7e400047c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling bindgen v0.56.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling heapless v0.7.8
[INFO] [stderr]    Compiling delog v0.1.2
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling spin v0.9.2
[INFO] [stderr]    Compiling clang-sys v1.3.0
[INFO] [stderr]    Compiling cstr_core v0.2.4
[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 v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.14s
[INFO] running `Command { std: "docker" "inspect" "e3a19a29eb2e41e75f13fd9599e2604245e3f5e4a1602207d1d7cb7e400047c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3a19a29eb2e41e75f13fd9599e2604245e3f5e4a1602207d1d7cb7e400047c1", kill_on_drop: false }`
[INFO] [stdout] e3a19a29eb2e41e75f13fd9599e2604245e3f5e4a1602207d1d7cb7e400047c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85053458fa8b0626053d82c04150cdea8ebbd862842c8dfc12d45e5517b67622
[INFO] running `Command { std: "docker" "start" "-a" "85053458fa8b0626053d82c04150cdea8ebbd862842c8dfc12d45e5517b67622", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling encode_unicode v0.3.6
[INFO] [stderr]    Compiling ssmarshal v1.0.0
[INFO] [stderr]    Compiling littlefs2 v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `generic_array::typenum::consts`
[INFO] [stdout]     --> src/fs.rs:1314:9
[INFO] [stdout]      |
[INFO] [stdout] 1314 |     use generic_array::typenum::consts;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `consts`
[INFO] [stdout]  --> tests/test_serde.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     consts,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.01s
[INFO] running `Command { std: "docker" "inspect" "85053458fa8b0626053d82c04150cdea8ebbd862842c8dfc12d45e5517b67622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85053458fa8b0626053d82c04150cdea8ebbd862842c8dfc12d45e5517b67622", kill_on_drop: false }`
[INFO] [stdout] 85053458fa8b0626053d82c04150cdea8ebbd862842c8dfc12d45e5517b67622
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 78bcc4220aa46e29b64897c6ed5f5ba724e1a0a23297ea81b343b3c985bb3a64
[INFO] running `Command { std: "docker" "start" "-a" "78bcc4220aa46e29b64897c6ed5f5ba724e1a0a23297ea81b343b3c985bb3a64", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `generic_array::typenum::consts`
[INFO] [stderr]     --> src/fs.rs:1314:9
[INFO] [stderr]      |
[INFO] [stderr] 1314 |     use generic_array::typenum::consts;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `littlefs2` (lib test) generated 1 warning
[INFO] [stderr] warning: unused import: `consts`
[INFO] [stderr]  --> tests/test_serde.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     consts,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `littlefs2` (test "test_serde") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/littlefs2-ac427b2499d6d183)
[INFO] [stdout] running 22 tests
[INFO] [stdout] test fs::tests::path ... ok
[INFO] [stdout] test fs::tests::open_file_with_options_and_then ... ok
[INFO] [stdout] test path::tests::trailing_nuls ... ok
[INFO] [stdout] test path::tests::nulls ... ok
[INFO] [stdout] test path::tests::join ... ok
[INFO] [stdout] test fs::tests::issue_3_original_report ... ok
[INFO] [stdout] test tests::borrow_fs_allocation ... ok
[INFO] [stdout] test tests::attributes ... ok
[INFO] [stdout] test fs::tests::remove_dir_all ... ok
[INFO] [stdout] test tests::borrow_fs_allocation3 ... ok
[INFO] [stdout] test fs::tests::nested ... ok
[INFO] [stdout] test tests::test_create ... ok
[INFO] [stdout] test tests::borrow_fs_allocation2 ... ok
[INFO] [stdout] test tests::test_fancy_open ... ok
[INFO] [stdout] test fs::tests::todo ... ok
[INFO] [stdout] test tests::format ... ok
[INFO] [stdout] test tests::test_file_set_len ... ok
[INFO] [stdout] test tests::version ... ok
[INFO] [stdout] test tests::test_unbind ... ok
[INFO] [stdout] test tests::test_seek ... ok
[INFO] [stdout] test tests::test_fs_with ... ok
[INFO] [stdout] test tests::test_iter_dirs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_serde.rs (/opt/rustwide/target/debug/deps/test_serde-9a9874319b304a59)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests littlefs2
[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 89) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.43s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "78bcc4220aa46e29b64897c6ed5f5ba724e1a0a23297ea81b343b3c985bb3a64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78bcc4220aa46e29b64897c6ed5f5ba724e1a0a23297ea81b343b3c985bb3a64", kill_on_drop: false }`
[INFO] [stdout] 78bcc4220aa46e29b64897c6ed5f5ba724e1a0a23297ea81b343b3c985bb3a64