[INFO] fetching crate hot-reload-server 0.0.0...
[INFO] testing hot-reload-server-0.0.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate hot-reload-server 0.0.0 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate hot-reload-server 0.0.0 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 crates.io crate hot-reload-server 0.0.0
[INFO] finished tweaking crates.io crate hot-reload-server 0.0.0
[INFO] tweaked toml for crates.io crate hot-reload-server 0.0.0 written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate crates.io crate hot-reload-server 0.0.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded notify v4.0.15
[INFO] [stderr]   Downloaded futures-core v0.3.4
[INFO] [stderr]   Downloaded futures-channel v0.3.4
[INFO] [stderr]   Downloaded inotify v0.7.0
[INFO] [stderr]   Downloaded syn v1.0.16
[INFO] [stderr]   Downloaded pin-project v0.4.8
[INFO] [stderr]   Downloaded pin-project-lite v0.1.4
[INFO] [stderr]   Downloaded tokio v0.2.13
[INFO] [stderr]   Downloaded futures-task v0.3.4
[INFO] [stderr]   Downloaded futures-util v0.3.4
[INFO] [stderr]   Downloaded futures-sink v0.3.4
[INFO] [stderr]   Downloaded h2 v0.2.2
[INFO] [stderr]   Downloaded pin-project-internal v0.4.8
[INFO] [stderr]   Downloaded hyper v0.13.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 2ef909ddb49c69389046a282d03d7f3f04a45801cb46e1339ea6ca1719bf4590
[INFO] running `Command { std: "docker" "start" "-a" "2ef909ddb49c69389046a282d03d7f3f04a45801cb46e1339ea6ca1719bf4590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ef909ddb49c69389046a282d03d7f3f04a45801cb46e1339ea6ca1719bf4590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ef909ddb49c69389046a282d03d7f3f04a45801cb46e1339ea6ca1719bf4590", kill_on_drop: false }`
[INFO] [stdout] 2ef909ddb49c69389046a282d03d7f3f04a45801cb46e1339ea6ca1719bf4590
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 6ff5dba9845e7cfb2be43b362650d20ca3332cccb079d58aca50362d1eaaeb23
[INFO] running `Command { std: "docker" "start" "-a" "6ff5dba9845e7cfb2be43b362650d20ca3332cccb079d58aca50362d1eaaeb23", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling futures-core v0.3.4
[INFO] [stderr]    Compiling pin-project-lite v0.1.4
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling futures-task v0.3.4
[INFO] [stderr]    Compiling futures-sink v0.3.4
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling tower-service v0.3.0
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling http v0.2.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling inotify-sys v0.1.3
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling filetime v0.2.8
[INFO] [stderr]    Compiling inotify v0.7.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling notify v4.0.15
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling tokio v0.2.13
[INFO] [stderr]    Compiling pin-project v0.4.8
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling h2 v0.2.2
[INFO] [stderr]    Compiling hyper v0.13.3
[INFO] [stderr]    Compiling hot-reload-server v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/main.rs:67:7
[INFO] [stdout]    |
[INFO] [stdout] 67 |   let a = handle_internal.await?;
[INFO] [stdout]    |       ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/main.rs:68:7
[INFO] [stdout]    |
[INFO] [stdout] 68 |   let b = handle_project.await?;
[INFO] [stdout]    |       ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.85s
[INFO] running `Command { std: "docker" "inspect" "6ff5dba9845e7cfb2be43b362650d20ca3332cccb079d58aca50362d1eaaeb23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ff5dba9845e7cfb2be43b362650d20ca3332cccb079d58aca50362d1eaaeb23", kill_on_drop: false }`
[INFO] [stdout] 6ff5dba9845e7cfb2be43b362650d20ca3332cccb079d58aca50362d1eaaeb23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdfc4d23bed9e7d64e64734d6da505d370843d3ea5025a9d1ca871a1527f3d2a
[INFO] running `Command { std: "docker" "start" "-a" "cdfc4d23bed9e7d64e64734d6da505d370843d3ea5025a9d1ca871a1527f3d2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling hot-reload-server v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/main.rs:67:7
[INFO] [stdout]    |
[INFO] [stdout] 67 |   let a = handle_internal.await?;
[INFO] [stdout]    |       ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/main.rs:68:7
[INFO] [stdout]    |
[INFO] [stdout] 68 |   let b = handle_project.await?;
[INFO] [stdout]    |       ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "cdfc4d23bed9e7d64e64734d6da505d370843d3ea5025a9d1ca871a1527f3d2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdfc4d23bed9e7d64e64734d6da505d370843d3ea5025a9d1ca871a1527f3d2a", kill_on_drop: false }`
[INFO] [stdout] cdfc4d23bed9e7d64e64734d6da505d370843d3ea5025a9d1ca871a1527f3d2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9171e3d2e25d369a32c8956a184c89f40e1738b1db3b31a2d1b2f022902df0c4
[INFO] running `Command { std: "docker" "start" "-a" "9171e3d2e25d369a32c8956a184c89f40e1738b1db3b31a2d1b2f022902df0c4", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/main.rs:67:7
[INFO] [stderr]    |
[INFO] [stderr] 67 |   let a = handle_internal.await?;
[INFO] [stderr]    |       ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/main.rs:68:7
[INFO] [stderr]    |
[INFO] [stderr] 68 |   let b = handle_project.await?;
[INFO] [stderr]    |       ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: `hot-reload-server` (bin "hot-reload-server" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hot_reload_server-b51eb4f9b47b7bf1)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9171e3d2e25d369a32c8956a184c89f40e1738b1db3b31a2d1b2f022902df0c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9171e3d2e25d369a32c8956a184c89f40e1738b1db3b31a2d1b2f022902df0c4", kill_on_drop: false }`
[INFO] [stdout] 9171e3d2e25d369a32c8956a184c89f40e1738b1db3b31a2d1b2f022902df0c4