[INFO] fetching crate async-timers 0.1.4...
[INFO] testing async-timers-0.1.4 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate async-timers 0.1.4 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate async-timers 0.1.4
[INFO] finished tweaking crates.io crate async-timers 0.1.4
[INFO] tweaked toml for crates.io crate async-timers 0.1.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate async-timers 0.1.4 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate async-timers 0.1.4 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb3967356dec0ac14642ec92bc647895777048ce6841a2b11366d3fea62f3e2c
[INFO] running `Command { std: "docker" "start" "-a" "bb3967356dec0ac14642ec92bc647895777048ce6841a2b11366d3fea62f3e2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb3967356dec0ac14642ec92bc647895777048ce6841a2b11366d3fea62f3e2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb3967356dec0ac14642ec92bc647895777048ce6841a2b11366d3fea62f3e2c", kill_on_drop: false }`
[INFO] [stdout] bb3967356dec0ac14642ec92bc647895777048ce6841a2b11366d3fea62f3e2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 15c07eb96a81fd485d2ea36d97eb92455aec62ed9b73b155d192fe9425c44e12
[INFO] running `Command { std: "docker" "start" "-a" "15c07eb96a81fd485d2ea36d97eb92455aec62ed9b73b155d192fe9425c44e12", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.23
[INFO] [stderr]    Compiling futures-task v0.3.23
[INFO] [stderr]    Compiling futures-channel v0.3.23
[INFO] [stderr]    Compiling futures-sink v0.3.23
[INFO] [stderr]    Compiling futures-util v0.3.23
[INFO] [stderr]    Compiling futures-macro v0.3.23
[INFO] [stderr]    Compiling futures-io v0.3.23
[INFO] [stderr]    Compiling tokio v1.20.1
[INFO] [stderr]    Compiling futures-executor v0.3.23
[INFO] [stderr]    Compiling futures v0.3.23
[INFO] [stderr]    Compiling async-timers v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.72s
[INFO] running `Command { std: "docker" "inspect" "15c07eb96a81fd485d2ea36d97eb92455aec62ed9b73b155d192fe9425c44e12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15c07eb96a81fd485d2ea36d97eb92455aec62ed9b73b155d192fe9425c44e12", kill_on_drop: false }`
[INFO] [stdout] 15c07eb96a81fd485d2ea36d97eb92455aec62ed9b73b155d192fe9425c44e12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 29fb1528af07d9d96c9663fd252424b9c923f2b1e0cdc3dd12583934db22fc55
[INFO] running `Command { std: "docker" "start" "-a" "29fb1528af07d9d96c9663fd252424b9c923f2b1e0cdc3dd12583934db22fc55", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-timers v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `main` in `tokio`
[INFO] [stdout]  --> examples/timers/main.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[tokio::main]
[INFO] [stdout]   |          ^^^^ could not find `main` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `select` in `tokio`
[INFO] [stdout]   --> examples/timers/main.rs:21:16
[INFO] [stdout]    |
[INFO] [stdout] 21 |         tokio::select! {
[INFO] [stdout]    |                ^^^^^^ could not find `select` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stdout]    --> src/lib.rs:221:14
[INFO] [stdout]     |
[INFO] [stdout] 221 |     #[tokio::test]
[INFO] [stdout]     |              ^^^^ could not find `test` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `select` in `tokio`
[INFO] [stdout]    --> src/lib.rs:229:16
[INFO] [stdout]     |
[INFO] [stdout] 229 |         tokio::select! {
[INFO] [stdout]     |                ^^^^^^ could not find `select` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `select` in `tokio`
[INFO] [stdout]    --> src/lib.rs:247:16
[INFO] [stdout]     |
[INFO] [stdout] 247 |         tokio::select! {
[INFO] [stdout]     |                ^^^^^^ could not find `select` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stdout]    --> src/lib.rs:260:14
[INFO] [stdout]     |
[INFO] [stdout] 260 |     #[tokio::test]
[INFO] [stdout]     |              ^^^^ could not find `test` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `select` in `tokio`
[INFO] [stdout]    --> src/lib.rs:268:16
[INFO] [stdout]     |
[INFO] [stdout] 268 |         tokio::select! {
[INFO] [stdout]     |                ^^^^^^ could not find `select` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `select` in `tokio`
[INFO] [stdout]    --> src/lib.rs:285:16
[INFO] [stdout]     |
[INFO] [stdout] 285 |         tokio::select! {
[INFO] [stdout]     |                ^^^^^^ could not find `select` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `select` in `tokio`
[INFO] [stdout]    --> src/lib.rs:305:16
[INFO] [stdout]     |
[INFO] [stdout] 305 |         tokio::select! {
[INFO] [stdout]     |                ^^^^^^ could not find `select` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stdout]    --> src/lib.rs:318:14
[INFO] [stdout]     |
[INFO] [stdout] 318 |     #[tokio::test]
[INFO] [stdout]     |              ^^^^ could not find `test` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `select` in `tokio`
[INFO] [stdout]    --> src/lib.rs:327:16
[INFO] [stdout]     |
[INFO] [stdout] 327 |         tokio::select! {
[INFO] [stdout]     |                ^^^^^^ could not find `select` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stdout]    --> src/lib.rs:346:14
[INFO] [stdout]     |
[INFO] [stdout] 346 |     #[tokio::test]
[INFO] [stdout]     |              ^^^^ could not find `test` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `select` in `tokio`
[INFO] [stdout]    --> src/lib.rs:367:24
[INFO] [stdout]     |
[INFO] [stdout] 367 |                 tokio::select! {
[INFO] [stdout]     |                        ^^^^^^ could not find `select` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0752]: `main` function is not allowed to be `async`
[INFO] [stdout]  --> examples/timers/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | async fn main() {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^ `main` function is not allowed to be `async`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0752.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async-timers` (example "timers") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async-timers` (lib test) due to 11 previous errors
[INFO] running `Command { std: "docker" "inspect" "29fb1528af07d9d96c9663fd252424b9c923f2b1e0cdc3dd12583934db22fc55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29fb1528af07d9d96c9663fd252424b9c923f2b1e0cdc3dd12583934db22fc55", kill_on_drop: false }`
[INFO] [stdout] 29fb1528af07d9d96c9663fd252424b9c923f2b1e0cdc3dd12583934db22fc55