[INFO] fetching crate vaporlight 0.1.0...
[INFO] checking vaporlight-0.1.0 against beta for pr-78714
[INFO] extracting crate vaporlight 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate vaporlight 0.1.0 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 crates.io crate vaporlight 0.1.0
[INFO] finished tweaking crates.io crate vaporlight 0.1.0
[INFO] tweaked toml for crates.io crate vaporlight 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 92207ad5797c869da4fe932e169e40b77543ea2f36ff274f5d721b77c02df9be
[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" "92207ad5797c869da4fe932e169e40b77543ea2f36ff274f5d721b77c02df9be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92207ad5797c869da4fe932e169e40b77543ea2f36ff274f5d721b77c02df9be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92207ad5797c869da4fe932e169e40b77543ea2f36ff274f5d721b77c02df9be", kill_on_drop: false }`
[INFO] [stdout] 92207ad5797c869da4fe932e169e40b77543ea2f36ff274f5d721b77c02df9be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] cadf1f6faf5e9123e19c11254b75177611f176d4049684cca4afdc8d86233eaf
[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" "cadf1f6faf5e9123e19c11254b75177611f176d4049684cca4afdc8d86233eaf", kill_on_drop: false }`
[INFO] [stderr]     Checking docopt v0.6.86
[INFO] [stderr]     Checking vaporlight v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:132:16
[INFO] [stdout]     |
[INFO] [stdout] 132 |     let sock = try!(TcpStream::connect((host, port)));
[INFO] [stdout]     |                ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 |     writer: Box<Write>,
[INFO] [stdout]    |                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:118:33
[INFO] [stdout]     |
[INFO] [stdout] 118 |         cmd[3] = (r >> 8) as u8;;
[INFO] [stdout]     |                                 ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:119:35
[INFO] [stdout]     |
[INFO] [stdout] 119 |         cmd[4] = (r & 0xff) as u8;;
[INFO] [stdout]     |                                   ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:120:33
[INFO] [stdout]     |
[INFO] [stdout] 120 |         cmd[5] = (g >> 8) as u8;;
[INFO] [stdout]     |                                 ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:121:35
[INFO] [stdout]     |
[INFO] [stdout] 121 |         cmd[6] = (g & 0xff) as u8;;
[INFO] [stdout]     |                                   ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:122:33
[INFO] [stdout]     |
[INFO] [stdout] 122 |         cmd[7] = (b >> 8) as u8;;
[INFO] [stdout]     |                                 ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:123:35
[INFO] [stdout]     |
[INFO] [stdout] 123 |         cmd[8] = (b & 0xff) as u8;;
[INFO] [stdout]     |                                   ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:124:33
[INFO] [stdout]     |
[INFO] [stdout] 124 |         cmd[9] = (a >> 8) as u8;;
[INFO] [stdout]     |                                 ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:125:36
[INFO] [stdout]     |
[INFO] [stdout] 125 |         cmd[10] = (a & 0xff) as u8;;
[INFO] [stdout]     |                                    ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:19
[INFO] [stdout]     |
[INFO] [stdout] 161 | fn exit_error(e: &Error) -> ! {
[INFO] [stdout]     |                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:132:16
[INFO] [stdout]     |
[INFO] [stdout] 132 |     let sock = try!(TcpStream::connect((host, port)));
[INFO] [stdout]     |                ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 |     writer: Box<Write>,
[INFO] [stdout]    |                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:118:33
[INFO] [stdout]     |
[INFO] [stdout] 118 |         cmd[3] = (r >> 8) as u8;;
[INFO] [stdout]     |                                 ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:119:35
[INFO] [stdout]     |
[INFO] [stdout] 119 |         cmd[4] = (r & 0xff) as u8;;
[INFO] [stdout]     |                                   ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:120:33
[INFO] [stdout]     |
[INFO] [stdout] 120 |         cmd[5] = (g >> 8) as u8;;
[INFO] [stdout]     |                                 ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:121:35
[INFO] [stdout]     |
[INFO] [stdout] 121 |         cmd[6] = (g & 0xff) as u8;;
[INFO] [stdout]     |                                   ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:122:33
[INFO] [stdout]     |
[INFO] [stdout] 122 |         cmd[7] = (b >> 8) as u8;;
[INFO] [stdout]     |                                 ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:123:35
[INFO] [stdout]     |
[INFO] [stdout] 123 |         cmd[8] = (b & 0xff) as u8;;
[INFO] [stdout]     |                                   ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:124:33
[INFO] [stdout]     |
[INFO] [stdout] 124 |         cmd[9] = (a >> 8) as u8;;
[INFO] [stdout]     |                                 ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:125:36
[INFO] [stdout]     |
[INFO] [stdout] 125 |         cmd[10] = (a & 0xff) as u8;;
[INFO] [stdout]     |                                    ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:161:19
[INFO] [stdout]     |
[INFO] [stdout] 161 | fn exit_error(e: &Error) -> ! {
[INFO] [stdout]     |                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "cadf1f6faf5e9123e19c11254b75177611f176d4049684cca4afdc8d86233eaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cadf1f6faf5e9123e19c11254b75177611f176d4049684cca4afdc8d86233eaf", kill_on_drop: false }`
[INFO] [stdout] cadf1f6faf5e9123e19c11254b75177611f176d4049684cca4afdc8d86233eaf