[INFO] cloning repository https://github.com/andrewvy/knot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andrewvy/knot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewvy%2Fknot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewvy%2Fknot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 66d25a92f0e4d1fcd78f52bc907278952a70c7ef
[INFO] checking andrewvy/knot against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewvy%2Fknot" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andrewvy/knot on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andrewvy/knot
[INFO] finished tweaking git repo https://github.com/andrewvy/knot
[INFO] tweaked toml for git repo https://github.com/andrewvy/knot written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/andrewvy/knot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] d091b3e00c9e427989ebf38506a74e0fc0b57ad32e62fec260f1d37f2e1ce79b
[INFO] running `Command { std: "docker" "start" "-a" "d091b3e00c9e427989ebf38506a74e0fc0b57ad32e62fec260f1d37f2e1ce79b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d091b3e00c9e427989ebf38506a74e0fc0b57ad32e62fec260f1d37f2e1ce79b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d091b3e00c9e427989ebf38506a74e0fc0b57ad32e62fec260f1d37f2e1ce79b", kill_on_drop: false }`
[INFO] [stdout] d091b3e00c9e427989ebf38506a74e0fc0b57ad32e62fec260f1d37f2e1ce79b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] cd1b3b159df7204b7ac92eb5eec09703d465925b1cd3333164c8d7af52c0c064
[INFO] running `Command { std: "docker" "start" "-a" "cd1b3b159df7204b7ac92eb5eec09703d465925b1cd3333164c8d7af52c0c064", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.8
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]     Checking rustc-demangle v0.1.7
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking termcolor v0.3.5
[INFO] [stderr]     Checking serde v1.0.33
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]     Checking tokio-executor v0.1.0
[INFO] [stderr]     Checking regex-syntax v0.5.3
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking tokio-io v0.1.6
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking crossbeam-epoch v0.4.0
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]     Checking crossbeam-deque v0.3.0
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]     Checking tokio-threadpool v0.1.0
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]     Checking tokio-reactor v0.1.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking tokio v0.1.3
[INFO] [stderr]    Compiling serde_derive_internals v0.21.0
[INFO] [stderr]     Checking env_logger v0.5.6
[INFO] [stderr]    Compiling serde_derive v1.0.33
[INFO] [stderr]     Checking toml v0.4.5
[INFO] [stderr]     Checking backtrace v0.3.5
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking knot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |         try!(self.serialize_u16(v.len() as u16));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         try!(self.serialize_u16(v.len() as u16));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:32
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |         try!(self.serialize_u16(v.len() as u16));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/serializer.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         try!(self.serialize_u16(v.len() as u16));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serializer.rs:31:32
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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/serializer.rs:25:39
[INFO] [stdout]    |
[INFO] [stdout] 25 |             ErrorKind::Io(ref err) => error::Error::description(err),
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^
[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/serializer.rs:25:39
[INFO] [stdout]    |
[INFO] [stdout] 25 |             ErrorKind::Io(ref err) => error::Error::description(err),
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot construct `BasePacket` with struct literal syntax due to inaccessible fields
[INFO] [stdout]    --> src/serializer.rs:491:26
[INFO] [stdout]     |
[INFO] [stdout] 491 |             base_packet: packet::BasePacket::ReliablePacket {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `knot`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "cd1b3b159df7204b7ac92eb5eec09703d465925b1cd3333164c8d7af52c0c064", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd1b3b159df7204b7ac92eb5eec09703d465925b1cd3333164c8d7af52c0c064", kill_on_drop: false }`
[INFO] [stdout] cd1b3b159df7204b7ac92eb5eec09703d465925b1cd3333164c8d7af52c0c064