[INFO] cloning repository https://github.com/m33h/mp3fusefilesystem
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/m33h/mp3fusefilesystem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm33h%2Fmp3fusefilesystem", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm33h%2Fmp3fusefilesystem'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f2cfda94c8788b0c99ee82374fd41488c1ac978
[INFO] testing m33h/mp3fusefilesystem against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm33h%2Fmp3fusefilesystem" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/m33h/mp3fusefilesystem on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/m33h/mp3fusefilesystem
[INFO] finished tweaking git repo https://github.com/m33h/mp3fusefilesystem
[INFO] tweaked toml for git repo https://github.com/m33h/mp3fusefilesystem written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/m33h/mp3fusefilesystem already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-13/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 695a9a97b9cc348217c569f7217fef700a8f1c5c101c5a84770562f12b0b6455
[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" "695a9a97b9cc348217c569f7217fef700a8f1c5c101c5a84770562f12b0b6455", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "695a9a97b9cc348217c569f7217fef700a8f1c5c101c5a84770562f12b0b6455", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "695a9a97b9cc348217c569f7217fef700a8f1c5c101c5a84770562f12b0b6455", kill_on_drop: false }`
[INFO] [stdout] 695a9a97b9cc348217c569f7217fef700a8f1c5c101c5a84770562f12b0b6455
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a779ddf5b0b2a19233790761651fabf30e71a617ccd93d7715e0e8d3126f6f85
[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" "a779ddf5b0b2a19233790761651fabf30e71a617ccd93d7715e0e8d3126f6f85", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling fuse v0.2.8
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling id3 v0.1.12
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling time v0.2.23
[INFO] [stderr]    Compiling Mp3FuseFilesystem v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `time::Timespec`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use time::Timespec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ no `Timespec` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ReplyEmpty`, `ReplyWrite`
[INFO] [stdout]   --> src/main.rs:12:64
[INFO] [stdout]    |
[INFO] [stdout] 12 | use fuse::{FileType, FileAttr, Filesystem, Request, ReplyData, ReplyWrite, ReplyEntry, ReplyEmpty, ReplyAttr, ReplyOpen, ReplyDirectory};
[INFO] [stdout]    |                                                                ^^^^^^^^^^              ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::process::Command;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:107:52
[INFO] [stdout]     |
[INFO] [stdout] 107 |                     map.insert(artist.clone()+" ["+album+"] - "+title+".mp3",str_path.clone());
[INFO] [stdout]     |                                                    ^^^^^ expected `&str`, found enum `Option`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&str`
[INFO] [stdout]                     found enum `Option<&str>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:108:53
[INFO] [stdout]     |
[INFO] [stdout] 108 |                     map2.insert(artist.clone()+" ["+album+"] - "+title+".mp3",n);
[INFO] [stdout]     |                                                     ^^^^^ expected `&str`, found enum `Option`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&str`
[INFO] [stdout]                     found enum `Option<&str>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:208:56
[INFO] [stdout]     |
[INFO] [stdout] 208 | ...                   why.description()),
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:246:44
[INFO] [stdout]     |
[INFO] [stdout] 246 |                     map.insert(artist+" ["+album+"] - "+title+".mp3",str_path.clone());
[INFO] [stdout]     |                                            ^^^^^ expected `&str`, found enum `Option`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&str`
[INFO] [stdout]                     found enum `Option<&str>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `Mp3FuseFilesystem`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "a779ddf5b0b2a19233790761651fabf30e71a617ccd93d7715e0e8d3126f6f85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a779ddf5b0b2a19233790761651fabf30e71a617ccd93d7715e0e8d3126f6f85", kill_on_drop: false }`
[INFO] [stdout] a779ddf5b0b2a19233790761651fabf30e71a617ccd93d7715e0e8d3126f6f85