[INFO] cloning repository https://github.com/frublox/mobi-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/frublox/mobi-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrublox%2Fmobi-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrublox%2Fmobi-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c59cdb0b614d4e9ce5650710ce3fe2290751bf8
[INFO] checking frublox/mobi-rust against beta-2021-10-15 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrublox%2Fmobi-rust" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/frublox/mobi-rust on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/frublox/mobi-rust
[INFO] finished tweaking git repo https://github.com/frublox/mobi-rust
[INFO] tweaked toml for git repo https://github.com/frublox/mobi-rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/frublox/mobi-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11b50f840ad0f40de828d326de303e58ec102fd931f54cfbca1235584fc18954
[INFO] running `Command { std: "docker" "start" "-a" "11b50f840ad0f40de828d326de303e58ec102fd931f54cfbca1235584fc18954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11b50f840ad0f40de828d326de303e58ec102fd931f54cfbca1235584fc18954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11b50f840ad0f40de828d326de303e58ec102fd931f54cfbca1235584fc18954", kill_on_drop: false }`
[INFO] [stdout] 11b50f840ad0f40de828d326de303e58ec102fd931f54cfbca1235584fc18954
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f81d54a0f350b11d3ee4445ed5cdfadf6dd1ea2d177ad5ed62cd5d633c9c7fc
[INFO] running `Command { std: "docker" "start" "-a" "4f81d54a0f350b11d3ee4445ed5cdfadf6dd1ea2d177ad5ed62cd5d633c9c7fc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking debug_print v1.0.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mobi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(thread_spawn_unchecked)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mobi` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(thread_spawn_unchecked)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]    --> src/lz77.rs:192:9
[INFO] [stdout]     |
[INFO] [stdout] 192 |     use std::str;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 2 arguments but 1 argument was supplied
[INFO] [stdout]    --> src/lz77.rs:197:26
[INFO] [stdout]     |
[INFO] [stdout] 197 |         let compressed = compress(input);
[INFO] [stdout]     |                          ^^^^^^^^ ----- supplied 1 argument
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          expected 2 arguments
[INFO] [stdout]     |
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> src/lz77.rs:73:8
[INFO] [stdout]     |
[INFO] [stdout] 73  | pub fn compress(input: &[u8], output: &mut Vec<u8>) {
[INFO] [stdout]     |        ^^^^^^^^ ------------  --------------------
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lz77.rs:199:20
[INFO] [stdout]     |
[INFO] [stdout] 199 |         decompress(&compressed, &mut decompressed);
[INFO] [stdout]     |                    ^^^^^^^^^^^ expected slice `[u8]`, found `()`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&[u8]`
[INFO] [stdout]                found reference `&()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 2 arguments but 1 argument was supplied
[INFO] [stdout]    --> src/lz77.rs:203:26
[INFO] [stdout]     |
[INFO] [stdout] 203 |         let compressed = compress(input);
[INFO] [stdout]     |                          ^^^^^^^^ ----- supplied 1 argument
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          expected 2 arguments
[INFO] [stdout]     |
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> src/lz77.rs:73:8
[INFO] [stdout]     |
[INFO] [stdout] 73  | pub fn compress(input: &[u8], output: &mut Vec<u8>) {
[INFO] [stdout]     |        ^^^^^^^^ ------------  --------------------
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lz77.rs:205:20
[INFO] [stdout]     |
[INFO] [stdout] 205 |         decompress(&compressed, &mut decompressed);
[INFO] [stdout]     |                    ^^^^^^^^^^^ expected slice `[u8]`, found `()`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&[u8]`
[INFO] [stdout]                found reference `&()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0308, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4f81d54a0f350b11d3ee4445ed5cdfadf6dd1ea2d177ad5ed62cd5d633c9c7fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f81d54a0f350b11d3ee4445ed5cdfadf6dd1ea2d177ad5ed62cd5d633c9c7fc", kill_on_drop: false }`
[INFO] [stdout] 4f81d54a0f350b11d3ee4445ed5cdfadf6dd1ea2d177ad5ed62cd5d633c9c7fc
