[INFO] cloning repository https://github.com/emrik5/ynst-dhcp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emrik5/ynst-dhcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femrik5%2Fynst-dhcp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femrik5%2Fynst-dhcp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 253c6ec86954047f70245a39e0e095703ebc49b3
[INFO] fixing emrik5/ynst-dhcp against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femrik5%2Fynst-dhcp" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/emrik5/ynst-dhcp
[INFO] finished tweaking git repo https://github.com/emrik5/ynst-dhcp
[INFO] tweaked toml for git repo https://github.com/emrik5/ynst-dhcp written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/emrik5/ynst-dhcp on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/emrik5/ynst-dhcp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 150b80d4131ad604c6caa1f1617a4e73115fb6f1063288088bca086e294e8f2d
[INFO] running `Command { std: "docker" "start" "150b80d4131ad604c6caa1f1617a4e73115fb6f1063288088bca086e294e8f2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "150b80d4131ad604c6caa1f1617a4e73115fb6f1063288088bca086e294e8f2d" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "150b80d4131ad604c6caa1f1617a4e73115fb6f1063288088bca086e294e8f2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "150b80d4131ad604c6caa1f1617a4e73115fb6f1063288088bca086e294e8f2d" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]     Checking ynst-dhcp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]  --> src/message.rs:6:25
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn recv_buffer() -> &[u8] {}
[INFO] [stdout]   |                         ^ expected named lifetime parameter
[INFO] [stdout]   |
[INFO] [stdout]   = help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from
[INFO] [stdout] help: consider using the `'static` lifetime, but this is uncommon unless you're returning a borrowed value from a `const` or a `static`
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn recv_buffer() -> &'static [u8] {}
[INFO] [stdout]   |                          +++++++
[INFO] [stdout] help: instead, you are more likely to want to return an owned value
[INFO] [stdout]   |
[INFO] [stdout] 6 -     fn recv_buffer() -> &[u8] {}
[INFO] [stdout] 6 +     fn recv_buffer() -> [u8] {}
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]  --> src/message.rs:6:25
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn recv_buffer() -> &[u8] {}
[INFO] [stdout]   |                         ^ expected named lifetime parameter
[INFO] [stdout]   |
[INFO] [stdout]   = help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from
[INFO] [stdout] help: consider using the `'static` lifetime, but this is uncommon unless you're returning a borrowed value from a `const` or a `static`
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn recv_buffer() -> &'static [u8] {}
[INFO] [stdout]   |                          +++++++
[INFO] [stdout] help: instead, you are more likely to want to return an owned value
[INFO] [stdout]   |
[INFO] [stdout] 6 -     fn recv_buffer() -> &[u8] {}
[INFO] [stdout] 6 +     fn recv_buffer() -> [u8] {}
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: `match` arms have incompatible types
[INFO] [stdout]   --> src/message.rs:75:23
[INFO] [stdout]    |
[INFO] [stdout] 73 |           let options_raw = match options_raw {
[INFO] [stdout]    |  ___________________________-
[INFO] [stdout] 74 | |             Ok(opt) => opt,
[INFO] [stdout]    | |                        --- this is found to be of type `Vec<RawOption>`
[INFO] [stdout] 75 | |             Err(_) => None,
[INFO] [stdout]    | |                       ^^^^ expected `Vec<RawOption>`, found `Option<_>`
[INFO] [stdout] 76 | |         };
[INFO] [stdout]    | |_________- `match` arms have incompatible types
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Vec<RawOption>`
[INFO] [stdout]                 found enum `Option<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/message.rs:78:23
[INFO] [stdout]    |
[INFO] [stdout] 78 |           let message = DhcpMessage {
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 79 | |             message_type,
[INFO] [stdout] 80 | |             hops,
[INFO] [stdout] 81 | |             transaction_id,
[INFO] [stdout] ...  |
[INFO] [stdout] 91 | |             options: todo!(),
[INFO] [stdout]    | |                      ------- any code following this expression is unreachable
[INFO] [stdout] 92 | |         };
[INFO] [stdout]    | |_________^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sock`
[INFO] [stdout]  --> src/server.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let sock = create_socket(listen_addr, port)?;
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_sock`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: `match` arms have incompatible types
[INFO] [stdout]   --> src/message.rs:75:23
[INFO] [stdout]    |
[INFO] [stdout] 73 |           let options_raw = match options_raw {
[INFO] [stdout]    |  ___________________________-
[INFO] [stdout] 74 | |             Ok(opt) => opt,
[INFO] [stdout]    | |                        --- this is found to be of type `Vec<RawOption>`
[INFO] [stdout] 75 | |             Err(_) => None,
[INFO] [stdout]    | |                       ^^^^ expected `Vec<RawOption>`, found `Option<_>`
[INFO] [stdout] 76 | |         };
[INFO] [stdout]    | |_________- `match` arms have incompatible types
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Vec<RawOption>`
[INFO] [stdout]                 found enum `Option<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/message.rs:78:23
[INFO] [stdout]    |
[INFO] [stdout] 78 |           let message = DhcpMessage {
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 79 | |             message_type,
[INFO] [stdout] 80 | |             hops,
[INFO] [stdout] 81 | |             transaction_id,
[INFO] [stdout] ...  |
[INFO] [stdout] 91 | |             options: todo!(),
[INFO] [stdout]    | |                      ------- any code following this expression is unreachable
[INFO] [stdout] 92 | |         };
[INFO] [stdout]    | |_________^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0106, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0106`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sock`
[INFO] [stdout]  --> src/server.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let sock = create_socket(listen_addr, port)?;
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_sock`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0106, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0106`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ynst-dhcp` (bin "ynst-dhcp") due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `ynst-dhcp` (bin "ynst-dhcp" test) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "150b80d4131ad604c6caa1f1617a4e73115fb6f1063288088bca086e294e8f2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "150b80d4131ad604c6caa1f1617a4e73115fb6f1063288088bca086e294e8f2d", kill_on_drop: false }`
[INFO] [stdout] 150b80d4131ad604c6caa1f1617a4e73115fb6f1063288088bca086e294e8f2d
