[INFO] fetching crate littlefs-sys 0.2.0...
[INFO] checking littlefs-sys-0.2.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate littlefs-sys 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate littlefs-sys 0.2.0
[INFO] finished tweaking crates.io crate littlefs-sys 0.2.0
[INFO] tweaked toml for crates.io crate littlefs-sys 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate littlefs-sys 0.2.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 51 packages to latest compatible versions
[INFO] [stderr]       Adding bindgen v0.43.2 (available: v0.72.0)
[INFO] [stderr]       Adding cty v0.1.5 (available: v0.2.2)
[INFO] [stderr]       Adding proc-macro2 v0.3.5 (available: v0.3.8)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db281db1184e09cbd48f7a17eb1bee391b7e21b33b17062cfc30ce03dcfc90e8
[INFO] running `Command { std: "docker" "start" "-a" "db281db1184e09cbd48f7a17eb1bee391b7e21b33b17062cfc30ce03dcfc90e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db281db1184e09cbd48f7a17eb1bee391b7e21b33b17062cfc30ce03dcfc90e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db281db1184e09cbd48f7a17eb1bee391b7e21b33b17062cfc30ce03dcfc90e8", kill_on_drop: false }`
[INFO] [stdout] db281db1184e09cbd48f7a17eb1bee391b7e21b33b17062cfc30ce03dcfc90e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67d072aef6cde8c7dbf245b6734c683559e96f54a2cf6db1a6654274385385cb
[INFO] running `Command { std: "docker" "start" "-a" "67d072aef6cde8c7dbf245b6734c683559e96f54a2cf6db1a6654274385385cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling bindgen v0.43.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling cc v1.2.27
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]     Checking cty v0.1.5
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling clang-sys v0.26.4
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling littlefs-sys v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `!`, `(`, `+`, `::`, or `<`, found `/`
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/littlefs-sys-537f33d5810a2ce0/out/bindings.rs:7:340
[INFO] [stdout]   |
[INFO] [stdout] 7 | ...ct lfs_entry_lfs_disk_entry { pub type_ : u8 , pub elen : u8 , pub alen : u8 , pub nlen : u8 , pub u : lfs_entry_lfs_disk_entry_union_(unnamed_at_littlefs/lfs...
[INFO] [stdout]   |       ------------------------ while parsing this struct                                                                                                     ^ expected one of `!`, `(`, `+`, `::`, or `<`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `where` or `{` after union name, found `(`
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/littlefs-sys-537f33d5810a2ce0/out/bindings.rs:7:446
[INFO] [stdout]   |
[INFO] [stdout] 7 | ... ) ] pub union lfs_entry_lfs_disk_entry_union_(unnamed_at_littlefs/lfs_h_205_9) { pub file : lfs_entry_lfs_disk_entry_union_(unnamed_a...
[INFO] [stdout]   |                                                  ^ expected `where` or `{` after union name
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `!`, `(`, `+`, `::`, or `<`, found `/`
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/littlefs-sys-537f33d5810a2ce0/out/bindings.rs:7:340
[INFO] [stdout]   |
[INFO] [stdout] 7 | ...ct lfs_entry_lfs_disk_entry { pub type_ : u8 , pub elen : u8 , pub alen : u8 , pub nlen : u8 , pub u : lfs_entry_lfs_disk_entry_union_(unnamed_at_littlefs/lfs...
[INFO] [stdout]   |       ------------------------ while parsing this struct                                                                                                     ^ expected one of `!`, `(`, `+`, `::`, or `<`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `where` or `{` after union name, found `(`
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/littlefs-sys-537f33d5810a2ce0/out/bindings.rs:7:446
[INFO] [stdout]   |
[INFO] [stdout] 7 | ... ) ] pub union lfs_entry_lfs_disk_entry_union_(unnamed_at_littlefs/lfs_h_205_9) { pub file : lfs_entry_lfs_disk_entry_union_(unnamed_a...
[INFO] [stdout]   |                                                  ^ expected `where` or `{` after union name
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `littlefs-sys` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `littlefs-sys` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "67d072aef6cde8c7dbf245b6734c683559e96f54a2cf6db1a6654274385385cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67d072aef6cde8c7dbf245b6734c683559e96f54a2cf6db1a6654274385385cb", kill_on_drop: false }`
[INFO] [stdout] 67d072aef6cde8c7dbf245b6734c683559e96f54a2cf6db1a6654274385385cb