[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] 5bc40e93acb401a6ff408cba62b6627a75858b9f
[INFO] testing amitbikram/tok-play against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famitbikram%2Ftok-play" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/amitbikram/tok-play 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/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-3/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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a66306ed5813186c79bdfda52c71a6f684861e80fba9ecd2548bb9e45ca952f
[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" "6a66306ed5813186c79bdfda52c71a6f684861e80fba9ecd2548bb9e45ca952f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a66306ed5813186c79bdfda52c71a6f684861e80fba9ecd2548bb9e45ca952f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a66306ed5813186c79bdfda52c71a6f684861e80fba9ecd2548bb9e45ca952f", kill_on_drop: false }`
[INFO] [stdout] 6a66306ed5813186c79bdfda52c71a6f684861e80fba9ecd2548bb9e45ca952f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4501be5430769d0fd3a0330209faeca55d9d2f338a9d77715de1abe156788db4
[INFO] running `Command { std: "docker" "start" "-a" "4501be5430769d0fd3a0330209faeca55d9d2f338a9d77715de1abe156788db4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling adler32 v1.1.0
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling 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]    Compiling tokio v0.2.21
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling 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: `UnHealthy`
[INFO] [stdout]   --> src/message_generator.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     UnHealthy,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `HealthResponse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/message_generator.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/message_generator/message.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.92s
[INFO] running `Command { std: "docker" "inspect" "4501be5430769d0fd3a0330209faeca55d9d2f338a9d77715de1abe156788db4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4501be5430769d0fd3a0330209faeca55d9d2f338a9d77715de1abe156788db4", kill_on_drop: false }`
[INFO] [stdout] 4501be5430769d0fd3a0330209faeca55d9d2f338a9d77715de1abe156788db4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 803f029969a44f08ed9631f9d9ca98b652e52a1b621e3e4ce959edb2d145cfcc
[INFO] running `Command { std: "docker" "start" "-a" "803f029969a44f08ed9631f9d9ca98b652e52a1b621e3e4ce959edb2d145cfcc", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: `UnHealthy`
[INFO] [stdout]   --> src/message_generator.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     UnHealthy,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `HealthResponse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/message_generator.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/message_generator/message.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "803f029969a44f08ed9631f9d9ca98b652e52a1b621e3e4ce959edb2d145cfcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "803f029969a44f08ed9631f9d9ca98b652e52a1b621e3e4ce959edb2d145cfcc", kill_on_drop: false }`
[INFO] [stdout] 803f029969a44f08ed9631f9d9ca98b652e52a1b621e3e4ce959edb2d145cfcc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 72fda43f8983e97baa7287f275a5e483d268a103e66dad8cee6636d9aca63226
[INFO] running `Command { std: "docker" "start" "-a" "72fda43f8983e97baa7287f275a5e483d268a103e66dad8cee6636d9aca63226", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `rrx`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:29:15
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 29 |     let (rtx, rrx) = oneshot::channel();
[INFO] [stdout] 
[INFO] [stderr]    |               ^^^ help: if this is intentional, prefix it with an underscore: `_rrx`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnHealthy`
[INFO] [stderr]   --> src/message_generator.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     UnHealthy,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `HealthResponse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/message_generator.rs:16:10
[INFO] [stderr]    |
[INFO] [stderr] 16 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `World`
[INFO] [stderr]  --> src/message_generator/message.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     World,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/message_generator/message.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[derive(Debug)]
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `tok-play` (bin "tok-play" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tok_play-a00391da156d3824)
[INFO] running `Command { std: "docker" "inspect" "72fda43f8983e97baa7287f275a5e483d268a103e66dad8cee6636d9aca63226", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72fda43f8983e97baa7287f275a5e483d268a103e66dad8cee6636d9aca63226", kill_on_drop: false }`
[INFO] [stdout] 72fda43f8983e97baa7287f275a5e483d268a103e66dad8cee6636d9aca63226