[INFO] updating cached repository https://github.com/johnernaut/OpenVNC
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 342bde8d3a6bccd3547513759b67ae03ec9dbcd3
[INFO] checking johnernaut/OpenVNC against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnernaut%2FOpenVNC" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/johnernaut/OpenVNC on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/johnernaut/OpenVNC
[INFO] finished tweaking git repo https://github.com/johnernaut/OpenVNC
[INFO] tweaked toml for git repo https://github.com/johnernaut/OpenVNC written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/johnernaut/OpenVNC already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-5/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[INFO] the lockfile is outdated, regenerating it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 `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c5dcfffbe07c2a51ab76e5cf81e9d27cc8e87d35d58cc6331a430159ea395f6f
[INFO] running `"docker" "start" "-a" "c5dcfffbe07c2a51ab76e5cf81e9d27cc8e87d35d58cc6331a430159ea395f6f"`
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking miow v0.1.5
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking mio v0.5.1
[INFO] [stderr]     Checking open_vnc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0425]: cannot find function `drain_to` in this scope
[INFO] [stderr]    --> src/server.rs:279:13
[INFO] [stderr]     |
[INFO] [stderr] 279 |             drain_to(&mut buf, pos as usize);
[INFO] [stderr]     |             ^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ErrorKind`, `Error`
[INFO] [stderr]   --> src/main.rs:10:28
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::io::{Read, Write, Error, ErrorKind};
[INFO] [stderr]    |                            ^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mio::util::Slab`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use mio::util::Slab;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/server.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ErrorKind`, `Error`
[INFO] [stderr]  --> src/server.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{Error, ErrorKind, Cursor};
[INFO] [stderr]   |               ^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ByteBuf`
[INFO] [stderr]  --> src/server.rs:9:19
[INFO] [stderr]   |
[INFO] [stderr] 9 | use self::bytes::{ByteBuf, MutBuf, Buf, Take};
[INFO] [stderr]   |                   ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 1, found 2
[INFO] [stderr]   --> src/server.rs:15:35
[INFO] [stderr]    |
[INFO] [stderr] 15 |     connections: Slab<Connection, Token>,
[INFO] [stderr]    |                                   ^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0107, E0425.
[INFO] [stderr] For more information about an error, try `rustc --explain E0107`.
[INFO] [stderr] error[E0425]: cannot find function `drain_to` in this scope
[INFO] [stderr]    --> src/server.rs:279:13
[INFO] [stderr]     |
[INFO] [stderr] 279 |             drain_to(&mut buf, pos as usize);
[INFO] [stderr]     |             ^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `open_vnc`.
[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] [stderr] warning: unused imports: `ErrorKind`, `Error`
[INFO] [stderr]   --> src/main.rs:10:28
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::io::{Read, Write, Error, ErrorKind};
[INFO] [stderr]    |                            ^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mio::util::Slab`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use mio::util::Slab;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/server.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ErrorKind`, `Error`
[INFO] [stderr]  --> src/server.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{Error, ErrorKind, Cursor};
[INFO] [stderr]   |               ^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ByteBuf`
[INFO] [stderr]  --> src/server.rs:9:19
[INFO] [stderr]   |
[INFO] [stderr] 9 | use self::bytes::{ByteBuf, MutBuf, Buf, Take};
[INFO] [stderr]   |                   ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 1, found 2
[INFO] [stderr]   --> src/server.rs:15:35
[INFO] [stderr]    |
[INFO] [stderr] 15 |     connections: Slab<Connection, Token>,
[INFO] [stderr]    |                                   ^^^^^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0107, E0425.
[INFO] [stderr] For more information about an error, try `rustc --explain E0107`.
[INFO] [stderr] error: could not compile `open_vnc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c5dcfffbe07c2a51ab76e5cf81e9d27cc8e87d35d58cc6331a430159ea395f6f"`
[INFO] running `"docker" "rm" "-f" "c5dcfffbe07c2a51ab76e5cf81e9d27cc8e87d35d58cc6331a430159ea395f6f"`
[INFO] [stdout] c5dcfffbe07c2a51ab76e5cf81e9d27cc8e87d35d58cc6331a430159ea395f6f
