[INFO] cloning repository https://github.com/daniel-e/p2p
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/daniel-e/p2p" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel-e%2Fp2p", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel-e%2Fp2p'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd015c302a601a6b25cbce896ee7f2ecfb24d976
[INFO] checking daniel-e/p2p against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel-e%2Fp2p" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/daniel-e/p2p 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/daniel-e/p2p
[INFO] finished tweaking git repo https://github.com/daniel-e/p2p
[INFO] tweaked toml for git repo https://github.com/daniel-e/p2p written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/daniel-e/p2p 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] [stderr] error: the lock file /workspace/builds/worker-0/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[INFO] the lockfile is outdated, regenerating it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" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", 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] 7d57fa6fe28fcd8f15fd6ba817ad02b74c59584e398952d4c6aa1512e0d1a1e6
[INFO] running `Command { std: "docker" "start" "-a" "7d57fa6fe28fcd8f15fd6ba817ad02b74c59584e398952d4c6aa1512e0d1a1e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d57fa6fe28fcd8f15fd6ba817ad02b74c59584e398952d4c6aa1512e0d1a1e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d57fa6fe28fcd8f15fd6ba817ad02b74c59584e398952d4c6aa1512e0d1a1e6", kill_on_drop: false }`
[INFO] [stdout] 7d57fa6fe28fcd8f15fd6ba817ad02b74c59584e398952d4c6aa1512e0d1a1e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7524649849b41a42e5c6bd424f85a75f725b3ae1c519ee2f38f3445359f504b8
[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" "7524649849b41a42e5c6bd424f85a75f725b3ae1c519ee2f38f3445359f504b8", kill_on_drop: false }`
[INFO] [stderr]     Checking p2p v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]  --> src/parser/mod.rs:8:32
[INFO] [stdout]   |
[INFO] [stdout] 8 | const MAX_HEADER_SIZE: usize = (1024 * 1024);
[INFO] [stdout]   |                                ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]  --> src/parser/mod.rs:9:33
[INFO] [stdout]   |
[INFO] [stdout] 9 | const MAX_CONTENT_SIZE: usize = (10 * 1024 * 1024);
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]  --> src/parser/mod.rs:8:32
[INFO] [stdout]   |
[INFO] [stdout] 8 | const MAX_HEADER_SIZE: usize = (1024 * 1024);
[INFO] [stdout]   |                                ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]  --> src/parser/mod.rs:9:33
[INFO] [stdout]   |
[INFO] [stdout] 9 | const MAX_CONTENT_SIZE: usize = (10 * 1024 * 1024);
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `headers`
[INFO] [stdout]   --> src/parser/mod.rs:92:18
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn parse_payload(headers: Vec<String>, n: usize, v: &mut Vec<u8>) -> Result<Message, MessageStatus> {
[INFO] [stdout]    |                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_headers`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/parser/mod.rs:92:40
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn parse_payload(headers: Vec<String>, n: usize, v: &mut Vec<u8>) -> Result<Message, MessageStatus> {
[INFO] [stdout]    |                                        ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/parser/mod.rs:92:50
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn parse_payload(headers: Vec<String>, n: usize, v: &mut Vec<u8>) -> Result<Message, MessageStatus> {
[INFO] [stdout]    |                                                  ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `headers`
[INFO] [stdout]   --> src/parser/mod.rs:92:18
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn parse_payload(headers: Vec<String>, n: usize, v: &mut Vec<u8>) -> Result<Message, MessageStatus> {
[INFO] [stdout]    |                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_headers`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/parser/mod.rs:92:40
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn parse_payload(headers: Vec<String>, n: usize, v: &mut Vec<u8>) -> Result<Message, MessageStatus> {
[INFO] [stdout]    |                                        ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/parser/mod.rs:92:50
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn parse_payload(headers: Vec<String>, n: usize, v: &mut Vec<u8>) -> Result<Message, MessageStatus> {
[INFO] [stdout]    |                                                  ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_CONTENT_SIZE`
[INFO] [stdout]  --> src/parser/mod.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | const MAX_CONTENT_SIZE: usize = (10 * 1024 * 1024);
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::result::Result::<T, E>::is_err` that must be used
[INFO] [stdout]   --> src/connection/mod.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 p_rx.try_recv().is_err(); // TODO
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you intended to assert that this is err, consider `.unwrap_err()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stdout]    --> src/connection/mod.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |         self.stream.shutdown(Shutdown::Both).is_ok();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_CONTENT_SIZE`
[INFO] [stdout]  --> src/parser/mod.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | const MAX_CONTENT_SIZE: usize = (10 * 1024 * 1024);
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::result::Result::<T, E>::is_err` that must be used
[INFO] [stdout]   --> src/connection/mod.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 p_rx.try_recv().is_err(); // TODO
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you intended to assert that this is err, consider `.unwrap_err()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stdout]    --> src/connection/mod.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |         self.stream.shutdown(Shutdown::Both).is_ok();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> examples/connections.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |     for mut i in v.iter_mut() {
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `has_messages`
[INFO] [stdout]   --> examples/connections.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn has_messages(&mut self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_message`
[INFO] [stdout]   --> examples/connections.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn send_message(&mut self, v: Vec<u8>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> examples/connection_echo.rs:51:35
[INFO] [stdout]    |
[INFO] [stdout] 51 |                         c.tx.send(d);
[INFO] [stdout]    |                                   ^ expected struct `std::vec::Vec`, found struct `p2p::message::Message`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `std::vec::Vec<u8>`
[INFO] [stdout]               found struct `p2p::message::Message`
[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 E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `p2p`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "7524649849b41a42e5c6bd424f85a75f725b3ae1c519ee2f38f3445359f504b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7524649849b41a42e5c6bd424f85a75f725b3ae1c519ee2f38f3445359f504b8", kill_on_drop: false }`
[INFO] [stdout] 7524649849b41a42e5c6bd424f85a75f725b3ae1c519ee2f38f3445359f504b8
