[INFO] cloning repository https://github.com/astrialyanda/tutorial8-subscriber
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/astrialyanda/tutorial8-subscriber" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fastrialyanda%2Ftutorial8-subscriber", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fastrialyanda%2Ftutorial8-subscriber'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7a69e7f4f1dcfc94b67be9b12a9aa12c5227b2e0
[INFO] building astrialyanda/tutorial8-subscriber against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fastrialyanda%2Ftutorial8-subscriber" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/astrialyanda/tutorial8-subscriber
[INFO] finished tweaking git repo https://github.com/astrialyanda/tutorial8-subscriber
[INFO] tweaked toml for git repo https://github.com/astrialyanda/tutorial8-subscriber written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/astrialyanda/tutorial8-subscriber on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/astrialyanda/tutorial8-subscriber already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfcc056c491e0992d61d556e51990c12cec30b301728a6c3cffda8bf22046aff
[INFO] running `Command { std: "docker" "start" "-a" "dfcc056c491e0992d61d556e51990c12cec30b301728a6c3cffda8bf22046aff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfcc056c491e0992d61d556e51990c12cec30b301728a6c3cffda8bf22046aff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfcc056c491e0992d61d556e51990c12cec30b301728a6c3cffda8bf22046aff", kill_on_drop: false }`
[INFO] [stdout] dfcc056c491e0992d61d556e51990c12cec30b301728a6c3cffda8bf22046aff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29996b55ca6a7d642517b6a0200de268bdb355fa94885de22fca03f5a517f866
[INFO] running `Command { std: "docker" "start" "-a" "29996b55ca6a7d642517b6a0200de268bdb355fa94885de22fca03f5a517f866", kill_on_drop: false }`
[INFO] [stderr]    Compiling crosstown_bus v0.5.4
[INFO] [stderr]    Compiling subscriber v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]   --> src/main.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let now = time::Instant::now();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.24s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "29996b55ca6a7d642517b6a0200de268bdb355fa94885de22fca03f5a517f866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29996b55ca6a7d642517b6a0200de268bdb355fa94885de22fca03f5a517f866", kill_on_drop: false }`
[INFO] [stdout] 29996b55ca6a7d642517b6a0200de268bdb355fa94885de22fca03f5a517f866
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fc3eeb45e00bb6193fe3c5de59f62ad1b94e444cdfa05706f2c9167808222fa
[INFO] running `Command { std: "docker" "start" "-a" "6fc3eeb45e00bb6193fe3c5de59f62ad1b94e444cdfa05706f2c9167808222fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling subscriber v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]   --> src/main.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let now = time::Instant::now();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "6fc3eeb45e00bb6193fe3c5de59f62ad1b94e444cdfa05706f2c9167808222fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fc3eeb45e00bb6193fe3c5de59f62ad1b94e444cdfa05706f2c9167808222fa", kill_on_drop: false }`
[INFO] [stdout] 6fc3eeb45e00bb6193fe3c5de59f62ad1b94e444cdfa05706f2c9167808222fa