[INFO] updating cached repository https://github.com/nicofff/rust_fat32
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 375dbe2e2d5ddcf9530f58bbdc8c0d62b5c7e28f
[INFO] testing nicofff/rust_fat32 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicofff%2Frust_fat32" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nicofff/rust_fat32 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/nicofff/rust_fat32
[INFO] finished tweaking git repo https://github.com/nicofff/rust_fat32
[INFO] tweaked toml for git repo https://github.com/nicofff/rust_fat32 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/nicofff/rust_fat32 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stdout] bcec34e3c6e0eff3440e3a5489410c68e5c454de52a0ee89bf99b10a6528a9e7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "bcec34e3c6e0eff3440e3a5489410c68e5c454de52a0ee89bf99b10a6528a9e7"`
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]    Compiling rust_fat32 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field is never read: `subdir`
[INFO] [stderr]   --> src/fatfs.rs:37:2
[INFO] [stderr]    |
[INFO] [stderr] 37 |     subdir:bool,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `cluster`
[INFO] [stderr]   --> src/fatfs.rs:38:2
[INFO] [stderr]    |
[INFO] [stderr] 38 |     cluster: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `filesize`
[INFO] [stderr]   --> src/fatfs.rs:39:2
[INFO] [stderr]    |
[INFO] [stderr] 39 |     filesize: usize
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.98s
[INFO] running `"docker" "inspect" "bcec34e3c6e0eff3440e3a5489410c68e5c454de52a0ee89bf99b10a6528a9e7"`
[INFO] running `"docker" "rm" "-f" "bcec34e3c6e0eff3440e3a5489410c68e5c454de52a0ee89bf99b10a6528a9e7"`
[INFO] [stdout] bcec34e3c6e0eff3440e3a5489410c68e5c454de52a0ee89bf99b10a6528a9e7
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8e7e7820cba0302def1cb28cab3858fa71db3972bd8ce00f455ea4e0f91e42f3
[INFO] running `"docker" "start" "-a" "8e7e7820cba0302def1cb28cab3858fa71db3972bd8ce00f455ea4e0f91e42f3"`
[INFO] [stderr]    Compiling rust_fat32 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field is never read: `subdir`
[INFO] [stderr]   --> src/fatfs.rs:37:2
[INFO] [stderr]    |
[INFO] [stderr] 37 |     subdir:bool,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `cluster`
[INFO] [stderr]   --> src/fatfs.rs:38:2
[INFO] [stderr]    |
[INFO] [stderr] 38 |     cluster: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `filesize`
[INFO] [stderr]   --> src/fatfs.rs:39:2
[INFO] [stderr]    |
[INFO] [stderr] 39 |     filesize: usize
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `"docker" "inspect" "8e7e7820cba0302def1cb28cab3858fa71db3972bd8ce00f455ea4e0f91e42f3"`
[INFO] running `"docker" "rm" "-f" "8e7e7820cba0302def1cb28cab3858fa71db3972bd8ce00f455ea4e0f91e42f3"`
[INFO] [stdout] 8e7e7820cba0302def1cb28cab3858fa71db3972bd8ce00f455ea4e0f91e42f3
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b5167302030befdeca264145e3805d0ed3efee55fa53eea3eb86b3f7d025e2c3
[INFO] running `"docker" "start" "-a" "b5167302030befdeca264145e3805d0ed3efee55fa53eea3eb86b3f7d025e2c3"`
[INFO] [stderr] warning: field is never read: `subdir`
[INFO] [stderr]   --> src/fatfs.rs:37:2
[INFO] [stderr]    |
[INFO] [stderr] 37 |     subdir:bool,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `cluster`
[INFO] [stderr]   --> src/fatfs.rs:38:2
[INFO] [stderr]    |
[INFO] [stderr] 38 |     cluster: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `filesize`
[INFO] [stderr]   --> src/fatfs.rs:39:2
[INFO] [stderr]    |
[INFO] [stderr] 39 |     filesize: usize
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_fat32-88365255f6328cf6
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b5167302030befdeca264145e3805d0ed3efee55fa53eea3eb86b3f7d025e2c3"`
[INFO] running `"docker" "rm" "-f" "b5167302030befdeca264145e3805d0ed3efee55fa53eea3eb86b3f7d025e2c3"`
[INFO] [stdout] b5167302030befdeca264145e3805d0ed3efee55fa53eea3eb86b3f7d025e2c3