[INFO] fetching crate sync-threadpool 0.0.2...
[INFO] checking sync-threadpool-0.0.2 against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate sync-threadpool 0.0.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate sync-threadpool 0.0.2 on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sync-threadpool 0.0.2
[INFO] finished tweaking crates.io crate sync-threadpool 0.0.2
[INFO] tweaked toml for crates.io crate sync-threadpool 0.0.2 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", 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] 867de281435455a5bfae00678f25ea3e9b957f68e10dc32ce6c729a079caabe7
[INFO] running `Command { std: "docker" "start" "-a" "867de281435455a5bfae00678f25ea3e9b957f68e10dc32ce6c729a079caabe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "867de281435455a5bfae00678f25ea3e9b957f68e10dc32ce6c729a079caabe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "867de281435455a5bfae00678f25ea3e9b957f68e10dc32ce6c729a079caabe7", kill_on_drop: false }`
[INFO] [stdout] 867de281435455a5bfae00678f25ea3e9b957f68e10dc32ce6c729a079caabe7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--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] fb49c5cc4956bc70e3c18e17afd9dcea7163da196a9b3e85d41df0215fd5d7b5
[INFO] running `Command { std: "docker" "start" "-a" "fb49c5cc4956bc70e3c18e17afd9dcea7163da196a9b3e85d41df0215fd5d7b5", kill_on_drop: false }`
[INFO] [stderr]     Checking sync-threadpool v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::boxed::FnBox`
[INFO] [stdout]   --> src/lib.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 | use std::boxed::FnBox;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ no `FnBox` in `boxed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::boxed::FnBox`
[INFO] [stdout]   --> src/lib.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 | use std::boxed::FnBox;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ no `FnBox` in `boxed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sync-threadpool`.
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fb49c5cc4956bc70e3c18e17afd9dcea7163da196a9b3e85d41df0215fd5d7b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb49c5cc4956bc70e3c18e17afd9dcea7163da196a9b3e85d41df0215fd5d7b5", kill_on_drop: false }`
[INFO] [stdout] fb49c5cc4956bc70e3c18e17afd9dcea7163da196a9b3e85d41df0215fd5d7b5
