[INFO] fetching crate block2 0.3.0...
[INFO] checking block2-0.3.0 against master#b3bd7058c139e71bae0862ef8f8ac936208873e9 for pr-123752
[INFO] extracting crate block2 0.3.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate block2 0.3.0 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 block2 0.3.0
[INFO] finished tweaking crates.io crate block2 0.3.0
[INFO] tweaked toml for crates.io crate block2 0.3.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages
[INFO] [stderr]       Adding objc2 v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding objc2-encode v3.0.0 (latest: v4.0.0)
[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] 2505a416a8bb30d6b28e7f960074db03f3b9b60682f9bc0c60a890feb66fe0f7
[INFO] running `Command { std: "docker" "start" "-a" "2505a416a8bb30d6b28e7f960074db03f3b9b60682f9bc0c60a890feb66fe0f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2505a416a8bb30d6b28e7f960074db03f3b9b60682f9bc0c60a890feb66fe0f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2505a416a8bb30d6b28e7f960074db03f3b9b60682f9bc0c60a890feb66fe0f7", kill_on_drop: false }`
[INFO] [stdout] 2505a416a8bb30d6b28e7f960074db03f3b9b60682f9bc0c60a890feb66fe0f7
[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] 8b249d0129564935638901664464446610f78031e86b513b92451b23f13c3989
[INFO] running `Command { std: "docker" "start" "-a" "8b249d0129564935638901664464446610f78031e86b513b92451b23f13c3989", kill_on_drop: false }`
[INFO] [stderr]    Compiling objc-sys v0.3.2
[INFO] [stderr]    Compiling block-sys v0.2.1
[INFO] [stderr]     Checking objc2-encode v3.0.0
[INFO] [stderr]     Checking objc2 v0.4.1
[INFO] [stdout] error[E0455]: link kind `framework` is only supported on Apple targets
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/objc2-0.4.1/src/lib.rs:226:38
[INFO] [stdout]     |
[INFO] [stdout] 226 |     link(name = "Foundation", kind = "framework")
[INFO] [stdout]     |                                      ^^^^^^^^^^^
[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 E0455`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `objc2` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "8b249d0129564935638901664464446610f78031e86b513b92451b23f13c3989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b249d0129564935638901664464446610f78031e86b513b92451b23f13c3989", kill_on_drop: false }`
[INFO] [stdout] 8b249d0129564935638901664464446610f78031e86b513b92451b23f13c3989
[INFO] checking block2-0.3.0 against try#57fe1b734d9ff1c8a92bda60b85506b9648158d3 for pr-123752
[INFO] extracting crate block2 0.3.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate block2 0.3.0 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 block2 0.3.0
[INFO] finished tweaking crates.io crate block2 0.3.0
[INFO] tweaked toml for crates.io crate block2 0.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages
[INFO] [stderr]       Adding objc2 v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding objc2-encode v3.0.0 (latest: v4.0.0)
[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] 9090fc02a61ab546f545e3b8b0bce446c720dfdc7bed792036e5026ed9e5f83d
[INFO] running `Command { std: "docker" "start" "-a" "9090fc02a61ab546f545e3b8b0bce446c720dfdc7bed792036e5026ed9e5f83d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9090fc02a61ab546f545e3b8b0bce446c720dfdc7bed792036e5026ed9e5f83d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9090fc02a61ab546f545e3b8b0bce446c720dfdc7bed792036e5026ed9e5f83d", kill_on_drop: false }`
[INFO] [stdout] 9090fc02a61ab546f545e3b8b0bce446c720dfdc7bed792036e5026ed9e5f83d
[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] fbc3633c512b034cf75ec58ed2fd86ddbeb7198f84883db981fb23d3b4273528
[INFO] running `Command { std: "docker" "start" "-a" "fbc3633c512b034cf75ec58ed2fd86ddbeb7198f84883db981fb23d3b4273528", kill_on_drop: false }`
[INFO] [stderr]    Compiling objc-sys v0.3.2
[INFO] [stderr]    Compiling block-sys v0.2.1
[INFO] [stderr]     Checking objc2-encode v3.0.0
[INFO] [stderr]     Checking objc2 v0.4.1
[INFO] [stdout] error[E0455]: link kind `framework` is only supported on Apple targets
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/objc2-0.4.1/src/lib.rs:226:38
[INFO] [stdout]     |
[INFO] [stdout] 226 |     link(name = "Foundation", kind = "framework")
[INFO] [stdout]     |                                      ^^^^^^^^^^^
[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 E0455`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `objc2` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "fbc3633c512b034cf75ec58ed2fd86ddbeb7198f84883db981fb23d3b4273528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbc3633c512b034cf75ec58ed2fd86ddbeb7198f84883db981fb23d3b4273528", kill_on_drop: false }`
[INFO] [stdout] fbc3633c512b034cf75ec58ed2fd86ddbeb7198f84883db981fb23d3b4273528
