[INFO] fetching crate async-timers 0.1.4...
[INFO] testing async-timers-0.1.4 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate async-timers 0.1.4 into /workspace/builds/worker-4-tc2/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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate async-timers 0.1.4 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7cdf4314807895ec2c78e66e46109d467ad8f42f33e45d49ea723e99e31161a
[INFO] running `Command { std: "docker" "start" "-a" "a7cdf4314807895ec2c78e66e46109d467ad8f42f33e45d49ea723e99e31161a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7cdf4314807895ec2c78e66e46109d467ad8f42f33e45d49ea723e99e31161a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7cdf4314807895ec2c78e66e46109d467ad8f42f33e45d49ea723e99e31161a", kill_on_drop: false }`
[INFO] [stdout] a7cdf4314807895ec2c78e66e46109d467ad8f42f33e45d49ea723e99e31161a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] beeab916164bb8d86d5a7da1543687ad38fe3c5c290240b6055f8bc951c82284
[INFO] running `Command { std: "docker" "start" "-a" "beeab916164bb8d86d5a7da1543687ad38fe3c5c290240b6055f8bc951c82284", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling futures-core v0.3.23
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling futures-channel v0.3.23
[INFO] [stderr]    Compiling futures-task v0.3.23
[INFO] [stderr]    Compiling futures-util v0.3.23
[INFO] [stderr]    Compiling futures-sink v0.3.23
[INFO] [stderr]    Compiling futures-io v0.3.23
[INFO] [stderr]    Compiling tokio v1.20.1
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling futures-macro v0.3.23
[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 8.18s
[INFO] running `Command { std: "docker" "inspect" "beeab916164bb8d86d5a7da1543687ad38fe3c5c290240b6055f8bc951c82284", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "beeab916164bb8d86d5a7da1543687ad38fe3c5c290240b6055f8bc951c82284", kill_on_drop: false }`
[INFO] [stdout] beeab916164bb8d86d5a7da1543687ad38fe3c5c290240b6055f8bc951c82284
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e6a6b4b20047840a2ee03a1d5d92f3b6d1e5558a1cced5ab088af983a5762e1
[INFO] running `Command { std: "docker" "start" "-a" "2e6a6b4b20047840a2ee03a1d5d92f3b6d1e5558a1cced5ab088af983a5762e1", 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[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] 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] 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" "2e6a6b4b20047840a2ee03a1d5d92f3b6d1e5558a1cced5ab088af983a5762e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e6a6b4b20047840a2ee03a1d5d92f3b6d1e5558a1cced5ab088af983a5762e1", kill_on_drop: false }`
[INFO] [stdout] 2e6a6b4b20047840a2ee03a1d5d92f3b6d1e5558a1cced5ab088af983a5762e1