[INFO] updating cached repository https://github.com/nicofff/rust_fat32
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 375dbe2e2d5ddcf9530f58bbdc8c0d62b5c7e28f
[INFO] testing nicofff/rust_fat32 against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicofff%2Frust_fat32" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nicofff/rust_fat32 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-5/source/Cargo.toml
[INFO] crate git repo https://github.com/nicofff/rust_fat32 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e068e84f1e417519bd05a546808ffe722ca0c95a63fb235b5b2a74c3f23e45b
[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" "3e068e84f1e417519bd05a546808ffe722ca0c95a63fb235b5b2a74c3f23e45b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e068e84f1e417519bd05a546808ffe722ca0c95a63fb235b5b2a74c3f23e45b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e068e84f1e417519bd05a546808ffe722ca0c95a63fb235b5b2a74c3f23e45b", kill_on_drop: false }`
[INFO] [stdout] 3e068e84f1e417519bd05a546808ffe722ca0c95a63fb235b5b2a74c3f23e45b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--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] 85f626d932ca9aa5c87f40770fd0b357d95330cffd76970a35bcc4abe00e61af
[INFO] running `Command { std: "docker" "start" "-a" "85f626d932ca9aa5c87f40770fd0b357d95330cffd76970a35bcc4abe00e61af", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.34
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling regex v0.2.3
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling rust_fat32 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `subdir`
[INFO] [stdout]   --> src/fatfs.rs:37:2
[INFO] [stdout]    |
[INFO] [stdout] 37 |     subdir:bool,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cluster`
[INFO] [stdout]   --> src/fatfs.rs:38:2
[INFO] [stdout]    |
[INFO] [stdout] 38 |     cluster: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `filesize`
[INFO] [stdout]   --> src/fatfs.rs:39:2
[INFO] [stdout]    |
[INFO] [stdout] 39 |     filesize: usize
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.44s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "85f626d932ca9aa5c87f40770fd0b357d95330cffd76970a35bcc4abe00e61af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85f626d932ca9aa5c87f40770fd0b357d95330cffd76970a35bcc4abe00e61af", kill_on_drop: false }`
[INFO] [stdout] 85f626d932ca9aa5c87f40770fd0b357d95330cffd76970a35bcc4abe00e61af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5889df5479940a824fd43403d6da327ce3fb3a7d7261a98977f04734a64beeae
[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" "5889df5479940a824fd43403d6da327ce3fb3a7d7261a98977f04734a64beeae", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_fat32 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `subdir`
[INFO] [stdout]   --> src/fatfs.rs:37:2
[INFO] [stdout]    |
[INFO] [stdout] 37 |     subdir:bool,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cluster`
[INFO] [stdout]   --> src/fatfs.rs:38:2
[INFO] [stdout]    |
[INFO] [stdout] 38 |     cluster: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `filesize`
[INFO] [stdout]   --> src/fatfs.rs:39:2
[INFO] [stdout]    |
[INFO] [stdout] 39 |     filesize: usize
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "5889df5479940a824fd43403d6da327ce3fb3a7d7261a98977f04734a64beeae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5889df5479940a824fd43403d6da327ce3fb3a7d7261a98977f04734a64beeae", kill_on_drop: false }`
[INFO] [stdout] 5889df5479940a824fd43403d6da327ce3fb3a7d7261a98977f04734a64beeae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fa59781e2717cb36521e02c605093c5538afc5a16ee02e82a6ee9a9f4c9be18f
[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" "fa59781e2717cb36521e02c605093c5538afc5a16ee02e82a6ee9a9f4c9be18f", kill_on_drop: false }`
[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 0.15s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_fat32-f97ade69398432e5
[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 `Command { std: "docker" "inspect" "fa59781e2717cb36521e02c605093c5538afc5a16ee02e82a6ee9a9f4c9be18f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa59781e2717cb36521e02c605093c5538afc5a16ee02e82a6ee9a9f4c9be18f", kill_on_drop: false }`
[INFO] [stdout] fa59781e2717cb36521e02c605093c5538afc5a16ee02e82a6ee9a9f4c9be18f