[INFO] fetching crate covert_client 0.1.5...
[INFO] checking covert_client-0.1.5 against master#b3bd7058c139e71bae0862ef8f8ac936208873e9 for pr-123752
[INFO] extracting crate covert_client 0.1.5 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate covert_client 0.1.5 on toolchain b3bd7058c139e71bae0862ef8f8ac936208873e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate covert_client 0.1.5
[INFO] finished tweaking crates.io crate covert_client 0.1.5
[INFO] tweaked toml for crates.io crate covert_client 0.1.5 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate covert_client 0.1.5 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" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8019b17a9e5ea66003ecfa0245ae9b1bf3fbf8571762a3976b7644149eda1f2d
[INFO] running `Command { std: "docker" "start" "-a" "8019b17a9e5ea66003ecfa0245ae9b1bf3fbf8571762a3976b7644149eda1f2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8019b17a9e5ea66003ecfa0245ae9b1bf3fbf8571762a3976b7644149eda1f2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8019b17a9e5ea66003ecfa0245ae9b1bf3fbf8571762a3976b7644149eda1f2d", kill_on_drop: false }`
[INFO] [stdout] 8019b17a9e5ea66003ecfa0245ae9b1bf3fbf8571762a3976b7644149eda1f2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57428a4278ea74a0a2818b6dd2820b66a63380833a644db74275ccec78024dae
[INFO] running `Command { std: "docker" "start" "-a" "57428a4278ea74a0a2818b6dd2820b66a63380833a644db74275ccec78024dae", kill_on_drop: false }`
[INFO] [stderr]    Compiling windows_x86_64_gnu v0.39.0
[INFO] [stdout] error[E0463]: can't find crate for `core`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the `x86_64-pc-windows-gnu` target may not be installed
[INFO] [stdout]   = help: consider downloading the target with `rustup target add x86_64-pc-windows-gnu`
[INFO] [stdout]   = help: consider building the standard library from source with `cargo build -Zbuild-std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `windows_x86_64_gnu` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "57428a4278ea74a0a2818b6dd2820b66a63380833a644db74275ccec78024dae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57428a4278ea74a0a2818b6dd2820b66a63380833a644db74275ccec78024dae", kill_on_drop: false }`
[INFO] [stdout] 57428a4278ea74a0a2818b6dd2820b66a63380833a644db74275ccec78024dae
[INFO] checking covert_client-0.1.5 against try#57fe1b734d9ff1c8a92bda60b85506b9648158d3 for pr-123752
[INFO] extracting crate covert_client 0.1.5 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate covert_client 0.1.5 on toolchain 57fe1b734d9ff1c8a92bda60b85506b9648158d3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate covert_client 0.1.5
[INFO] finished tweaking crates.io crate covert_client 0.1.5
[INFO] tweaked toml for crates.io crate covert_client 0.1.5 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate covert_client 0.1.5 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" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe1568e5cae534822482e68e77e5702256d251957d4a46ac3234cd98f8099911
[INFO] running `Command { std: "docker" "start" "-a" "fe1568e5cae534822482e68e77e5702256d251957d4a46ac3234cd98f8099911", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe1568e5cae534822482e68e77e5702256d251957d4a46ac3234cd98f8099911", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe1568e5cae534822482e68e77e5702256d251957d4a46ac3234cd98f8099911", kill_on_drop: false }`
[INFO] [stdout] fe1568e5cae534822482e68e77e5702256d251957d4a46ac3234cd98f8099911
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8bbaf266bbd66206ca44d8e5dc600b3699b87c2639c975c4570c5a32f577606
[INFO] running `Command { std: "docker" "start" "-a" "d8bbaf266bbd66206ca44d8e5dc600b3699b87c2639c975c4570c5a32f577606", kill_on_drop: false }`
[INFO] [stderr]    Compiling windows_x86_64_gnu v0.39.0
[INFO] [stdout] error[E0463]: can't find crate for `core`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the `x86_64-pc-windows-gnu` target may not be installed
[INFO] [stdout]   = help: consider downloading the target with `rustup target add x86_64-pc-windows-gnu`
[INFO] [stdout]   = help: consider building the standard library from source with `cargo build -Zbuild-std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `windows_x86_64_gnu` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "d8bbaf266bbd66206ca44d8e5dc600b3699b87c2639c975c4570c5a32f577606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8bbaf266bbd66206ca44d8e5dc600b3699b87c2639c975c4570c5a32f577606", kill_on_drop: false }`
[INFO] [stdout] d8bbaf266bbd66206ca44d8e5dc600b3699b87c2639c975c4570c5a32f577606
