[INFO] cloning repository https://github.com/amitbikram/tok-play
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/amitbikram/tok-play" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famitbikram%2Ftok-play", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famitbikram%2Ftok-play'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca9fa52c15737c89a9a3a1cf99994fd4443e380b
[INFO] checking amitbikram/tok-play against master#d902752866cbbdb331e3cf28ff6bba86ab0f6c62 for pr-77271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famitbikram%2Ftok-play" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/amitbikram/tok-play on toolchain d902752866cbbdb331e3cf28ff6bba86ab0f6c62
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/amitbikram/tok-play
[INFO] finished tweaking git repo https://github.com/amitbikram/tok-play
[INFO] tweaked toml for git repo https://github.com/amitbikram/tok-play written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/amitbikram/tok-play already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77074fbb0063eeb2ec8e5e22765558c34e9f52460be705dd0b773e8aa4cd2ae0
[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" "77074fbb0063eeb2ec8e5e22765558c34e9f52460be705dd0b773e8aa4cd2ae0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77074fbb0063eeb2ec8e5e22765558c34e9f52460be705dd0b773e8aa4cd2ae0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77074fbb0063eeb2ec8e5e22765558c34e9f52460be705dd0b773e8aa4cd2ae0", kill_on_drop: false }`
[INFO] [stdout] 77074fbb0063eeb2ec8e5e22765558c34e9f52460be705dd0b773e8aa4cd2ae0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b111492b437a63f7cd1b4eddd9efbf288cfde009e24a720fe94124d29d940496
[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" "b111492b437a63f7cd1b4eddd9efbf288cfde009e24a720fe94124d29d940496", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]     Checking adler32 v1.1.0
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking addr2line v0.12.1
[INFO] [stderr]     Checking backtrace v0.3.49
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking tok-play v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `rrx`
[INFO] [stdout]   --> src/main.rs:29:15
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let (rtx, rrx) = oneshot::channel();
[INFO] [stdout]    |               ^^^ help: if this is intentional, prefix it with an underscore: `_rrx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `World`
[INFO] [stdout]  --> src/message_generator/message.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     World,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UnHealthy`
[INFO] [stdout]   --> src/message_generator.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     UnHealthy,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rrx`
[INFO] [stdout]   --> src/main.rs:29:15
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let (rtx, rrx) = oneshot::channel();
[INFO] [stdout]    |               ^^^ help: if this is intentional, prefix it with an underscore: `_rrx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `World`
[INFO] [stdout]  --> src/message_generator/message.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     World,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UnHealthy`
[INFO] [stdout]   --> src/message_generator.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     UnHealthy,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.70s
[INFO] running `Command { std: "docker" "inspect" "b111492b437a63f7cd1b4eddd9efbf288cfde009e24a720fe94124d29d940496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b111492b437a63f7cd1b4eddd9efbf288cfde009e24a720fe94124d29d940496", kill_on_drop: false }`
[INFO] [stdout] b111492b437a63f7cd1b4eddd9efbf288cfde009e24a720fe94124d29d940496