[INFO] fetching crate async_main 0.4.0...
[INFO] checking async_main-0.4.0 against try#c6f1a85c8f06c93ddc6200caf413929a2e7e7dd6 for pr-145463
[INFO] extracting crate async_main 0.4.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate async_main 0.4.0
[INFO] finished tweaking crates.io crate async_main 0.4.0
[INFO] tweaked toml for crates.io crate async_main 0.4.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate async_main 0.4.0 on toolchain c6f1a85c8f06c93ddc6200caf413929a2e7e7dd6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c6f1a85c8f06c93ddc6200caf413929a2e7e7dd6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate async_main 0.4.0 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" "+c6f1a85c8f06c93ddc6200caf413929a2e7e7dd6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pasts v0.14.2
[INFO] [stderr]   Downloaded async_main_macro v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+c6f1a85c8f06c93ddc6200caf413929a2e7e7dd6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9d884b35fd6d4a9df91c7fe87cfad705c559d5e23e3bdae3c9605312f4f0e16
[INFO] running `Command { std: "docker" "start" "-a" "c9d884b35fd6d4a9df91c7fe87cfad705c559d5e23e3bdae3c9605312f4f0e16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9d884b35fd6d4a9df91c7fe87cfad705c559d5e23e3bdae3c9605312f4f0e16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9d884b35fd6d4a9df91c7fe87cfad705c559d5e23e3bdae3c9605312f4f0e16", kill_on_drop: false }`
[INFO] [stdout] c9d884b35fd6d4a9df91c7fe87cfad705c559d5e23e3bdae3c9605312f4f0e16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+c6f1a85c8f06c93ddc6200caf413929a2e7e7dd6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84a89d620fa055ba8c38d4ebbba284e8f55cad10ad1e5a3102a5544b9188cf11
[INFO] running `Command { std: "docker" "start" "-a" "84a89d620fa055ba8c38d4ebbba284e8f55cad10ad1e5a3102a5544b9188cf11", kill_on_drop: false }`
[INFO] [stderr]    Compiling async_main_macro v0.4.0
[INFO] [stderr]     Checking async_main v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0583]: file not found for module `spawn`
[INFO] [stdout]   --> src/lib.rs:53:1
[INFO] [stdout]    |
[INFO] [stdout] 53 | mod spawn;
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: to create the module `spawn`, create file "src/spawn.rs" or "src/spawn/mod.rs"
[INFO] [stdout]    = note: if there is a `mod spawn` elsewhere in the crate already, import it with `use crate::...` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0583]: file not found for module `spawn`
[INFO] [stdout]   --> src/lib.rs:53:1
[INFO] [stdout]    |
[INFO] [stdout] 53 | mod spawn;
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: to create the module `spawn`, create file "src/spawn.rs" or "src/spawn/mod.rs"
[INFO] [stdout]    = note: if there is a `mod spawn` elsewhere in the crate already, import it with `use crate::...` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0583`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async_main` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0583`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async_main` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "84a89d620fa055ba8c38d4ebbba284e8f55cad10ad1e5a3102a5544b9188cf11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84a89d620fa055ba8c38d4ebbba284e8f55cad10ad1e5a3102a5544b9188cf11", kill_on_drop: false }`
[INFO] [stdout] 84a89d620fa055ba8c38d4ebbba284e8f55cad10ad1e5a3102a5544b9188cf11