[INFO] cloning repository https://github.com/retep007/rustybox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/retep007/rustybox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fretep007%2Frustybox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fretep007%2Frustybox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 66aa7400ecaf7abbdc9136253c3f8a63217bd69b
[INFO] testing retep007/rustybox against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fretep007%2Frustybox" "/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/retep007/rustybox on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/retep007/rustybox
[INFO] finished tweaking git repo https://github.com/retep007/rustybox
[INFO] tweaked toml for git repo https://github.com/retep007/rustybox written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/retep007/rustybox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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-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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ea2d9bf11d6785d04636411cf7d901040994689f0ce38f26f2f0e1d1393cb04
[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" "7ea2d9bf11d6785d04636411cf7d901040994689f0ce38f26f2f0e1d1393cb04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ea2d9bf11d6785d04636411cf7d901040994689f0ce38f26f2f0e1d1393cb04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ea2d9bf11d6785d04636411cf7d901040994689f0ce38f26f2f0e1d1393cb04", kill_on_drop: false }`
[INFO] [stdout] 7ea2d9bf11d6785d04636411cf7d901040994689f0ce38f26f2f0e1d1393cb04
[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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ce81f2894e87092822fd6a3f0c73812d4dac423d712a15992b8297c7d19e13b
[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" "0ce81f2894e87092822fd6a3f0c73812d4dac423d712a15992b8297c7d19e13b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling unicode-segmentation v1.5.0
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling pest v2.1.2
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling chrono v0.4.9
[INFO] [stderr]    Compiling pretty_env_logger v0.3.1
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling ctrlc v3.1.3
[INFO] [stderr]    Compiling rustyline v5.0.4
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling crabbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find value `buf` in this scope
[INFO] [stdout]   --> src/rcrab.rs:87:28
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 stdin.read(buf: &mut [u8])
[INFO] [stdout]    |                            ^^^ expecting a type here because of type ascription
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/rcrab.rs:87:17
[INFO] [stdout]    |
[INFO] [stdout] 42 | /     match fork()? {
[INFO] [stdout] 43 | |         ForkResult::Parent { .. } => {
[INFO] [stdout] 44 | |             let mut flags = PollFlags::empty();
[INFO] [stdout] 45 | |             flags.insert(PollFlags::POLLIN);
[INFO] [stdout] ...  |
[INFO] [stdout] 87 | |                 stdin.read(buf: &mut [u8])
[INFO] [stdout]    | |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `()`, found enum `std::result::Result`
[INFO] [stdout] ...  |
[INFO] [stdout] 91 | |         ForkResult::Child => run_child(child_write, child_read)?,
[INFO] [stdout] 92 | |     }
[INFO] [stdout]    | |_____- expected this to be `()`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected unit type `()`
[INFO] [stdout]                    found enum `std::result::Result<usize, std::io::Error>`
[INFO] [stdout] help: try adding a semicolon
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 stdin.read(buf: &mut [u8]);
[INFO] [stdout]    |                                           ^
[INFO] [stdout] help: consider using a semicolon here
[INFO] [stdout]    |
[INFO] [stdout] 92 |     };
[INFO] [stdout]    |      ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crabbox`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "0ce81f2894e87092822fd6a3f0c73812d4dac423d712a15992b8297c7d19e13b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ce81f2894e87092822fd6a3f0c73812d4dac423d712a15992b8297c7d19e13b", kill_on_drop: false }`
[INFO] [stdout] 0ce81f2894e87092822fd6a3f0c73812d4dac423d712a15992b8297c7d19e13b
