[INFO] cloning repository https://github.com/Sanqui/tilde_plays
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sanqui/tilde_plays" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSanqui%2Ftilde_plays", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSanqui%2Ftilde_plays'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3f2eb492b3787151fbe9f8ebd2b44fdb64cbd4f9
[INFO] testing Sanqui/tilde_plays against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSanqui%2Ftilde_plays" "/workspace/builds/worker-30/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-30/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Sanqui/tilde_plays on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Sanqui/tilde_plays
[INFO] finished tweaking git repo https://github.com/Sanqui/tilde_plays
[INFO] tweaked toml for git repo https://github.com/Sanqui/tilde_plays written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] crate git repo https://github.com/Sanqui/tilde_plays already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nix v0.6.0
[INFO] [stderr]   Downloaded users v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d4f5605ce28d1842e3576fed0cefc6e12a451b5045a20d6d261118f89833772
[INFO] running `Command { std: "docker" "start" "-a" "8d4f5605ce28d1842e3576fed0cefc6e12a451b5045a20d6d261118f89833772", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d4f5605ce28d1842e3576fed0cefc6e12a451b5045a20d6d261118f89833772", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d4f5605ce28d1842e3576fed0cefc6e12a451b5045a20d6d261118f89833772", kill_on_drop: false }`
[INFO] [stdout] 8d4f5605ce28d1842e3576fed0cefc6e12a451b5045a20d6d261118f89833772
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 030b7258fdeaec06f06d8fa30fda31434f97ee90da815713815c6ca5730fe53f
[INFO] running `Command { std: "docker" "start" "-a" "030b7258fdeaec06f06d8fa30fda31434f97ee90da815713815c6ca5730fe53f", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling libc v0.2.15
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling users v0.5.1
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]    Compiling tilde_plays v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/bin/manager.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `buttons` is never read
[INFO] [stdout]   --> src/bin/client.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let mut buttons = 0;
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Start`
[INFO] [stdout]   --> src/bin/client.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 |     A, B, Start, Select,
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Select`
[INFO] [stdout]   --> src/bin/client.rs:19:18
[INFO] [stdout]    |
[INFO] [stdout] 19 |     A, B, Start, Select,
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Up`
[INFO] [stdout]   --> src/bin/client.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Up, Down, Left, Right
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Down`
[INFO] [stdout]   --> src/bin/client.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Up, Down, Left, Right
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Left`
[INFO] [stdout]   --> src/bin/client.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Up, Down, Left, Right
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Right`
[INFO] [stdout]   --> src/bin/client.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Up, Down, Left, Right
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `client.stream` as mutable, as it is behind a `&` reference
[INFO] [stdout]    --> src/bin/manager.rs:203:32
[INFO] [stdout]     |
[INFO] [stdout] 203 |                 .and_then(|()| client.stream.write_u32::<BigEndian>(screen_bytes.len() as u32))
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `client.stream` as mutable, as it is behind a `&` reference
[INFO] [stdout]    --> src/bin/manager.rs:204:32
[INFO] [stdout]     |
[INFO] [stdout] 204 |                 .and_then(|()| client.stream.write(&screen_bytes)) {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `client.stream` as mutable, as it is behind a `&` reference
[INFO] [stdout]    --> src/bin/manager.rs:202:19
[INFO] [stdout]     |
[INFO] [stdout] 200 |         for (i, mut client) in clients.lock().unwrap().iter().enumerate() {
[INFO] [stdout]     |                                ------------------------------------------ this iterator yields `&` references
[INFO] [stdout] 201 |             //let mut stream = client.stream;
[INFO] [stdout] 202 |             match client.stream.write_u32::<BigEndian>(frame)
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `client` is a `&` reference, so the data it refers to cannot be borrowed as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tilde_plays` due to 4 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "030b7258fdeaec06f06d8fa30fda31434f97ee90da815713815c6ca5730fe53f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "030b7258fdeaec06f06d8fa30fda31434f97ee90da815713815c6ca5730fe53f", kill_on_drop: false }`
[INFO] [stdout] 030b7258fdeaec06f06d8fa30fda31434f97ee90da815713815c6ca5730fe53f