[INFO] fetching crate fatfs 0.3.5...
[INFO] checking fatfs-0.3.5 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate fatfs 0.3.5 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate fatfs 0.3.5 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fatfs 0.3.5
[INFO] finished tweaking crates.io crate fatfs 0.3.5
[INFO] tweaked toml for crates.io crate fatfs 0.3.5 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate fatfs 0.3.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fscommon v0.1.1
[INFO] [stderr]   Downloaded core_io v0.1.20190701
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76561b5bf40d4246a68db1c405169ccc0d0d0c2e97b373edae63d5277e3dc123
[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" "76561b5bf40d4246a68db1c405169ccc0d0d0c2e97b373edae63d5277e3dc123", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76561b5bf40d4246a68db1c405169ccc0d0d0c2e97b373edae63d5277e3dc123", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76561b5bf40d4246a68db1c405169ccc0d0d0c2e97b373edae63d5277e3dc123", kill_on_drop: false }`
[INFO] [stdout] 76561b5bf40d4246a68db1c405169ccc0d0d0c2e97b373edae63d5277e3dc123
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6bd6c42afe64c32bc01b5abfe6e62a23b4c30eccb134b59e82bda90914c3976
[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" "a6bd6c42afe64c32bc01b5abfe6e62a23b4c30eccb134b59e82bda90914c3976", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]     Checking fscommon v0.1.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking fatfs v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/read.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn call_with_fs(f: &Fn(FileSystem) -> (), filename: &str) {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(FileSystem) -> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/write.rs:24:26
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn call_with_tmp_img(f: &Fn(&str) -> (), filename: &str, test_seq: u32) {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/write.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn call_with_fs(f: &Fn(FileSystem) -> (), filename: &str, test_seq: u32) {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(FileSystem) -> ()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.84s
[INFO] running `Command { std: "docker" "inspect" "a6bd6c42afe64c32bc01b5abfe6e62a23b4c30eccb134b59e82bda90914c3976", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6bd6c42afe64c32bc01b5abfe6e62a23b4c30eccb134b59e82bda90914c3976", kill_on_drop: false }`
[INFO] [stdout] a6bd6c42afe64c32bc01b5abfe6e62a23b4c30eccb134b59e82bda90914c3976