[INFO] fetching crate objc2 0.6.0...
[INFO] checking objc2-0.6.0 against try#306c6aded24f02440063be828ebe601fe5eb8323 for pr-133502-3
[INFO] extracting crate objc2 0.6.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate objc2 0.6.0 on toolchain 306c6aded24f02440063be828ebe601fe5eb8323
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+306c6aded24f02440063be828ebe601fe5eb8323" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate objc2 0.6.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate objc2 0.6.0
[INFO] tweaked toml for crates.io crate objc2 0.6.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate objc2 0.6.0 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" "+306c6aded24f02440063be828ebe601fe5eb8323" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+306c6aded24f02440063be828ebe601fe5eb8323" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4156c0722654e7f175b7dfcab18b5adde750c5ce5a6c574a9b29513acbf62b9
[INFO] running `Command { std: "docker" "start" "-a" "d4156c0722654e7f175b7dfcab18b5adde750c5ce5a6c574a9b29513acbf62b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4156c0722654e7f175b7dfcab18b5adde750c5ce5a6c574a9b29513acbf62b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4156c0722654e7f175b7dfcab18b5adde750c5ce5a6c574a9b29513acbf62b9", kill_on_drop: false }`
[INFO] [stdout] d4156c0722654e7f175b7dfcab18b5adde750c5ce5a6c574a9b29513acbf62b9
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+306c6aded24f02440063be828ebe601fe5eb8323" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36532b4e0b00cdb07d857e23fd9b276ced4c3a6e65194d2d0204b8dfd0a55d3b
[INFO] running `Command { std: "docker" "start" "-a" "36532b4e0b00cdb07d857e23fd9b276ced4c3a6e65194d2d0204b8dfd0a55d3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling libc v0.2.162
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]    Compiling objc2 v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]     Checking objc2-encode v4.1.0
[INFO] [stderr]     Checking iai v0.1.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]     Checking miniz_oxide v0.8.3
[INFO] [stdout] error: A runtime must be selected
[INFO] [stdout]    --> src/lib.rs:206:1
[INFO] [stdout]     |
[INFO] [stdout] 206 | compile_error!("A runtime must be selected");
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `objc2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "36532b4e0b00cdb07d857e23fd9b276ced4c3a6e65194d2d0204b8dfd0a55d3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36532b4e0b00cdb07d857e23fd9b276ced4c3a6e65194d2d0204b8dfd0a55d3b", kill_on_drop: false }`
[INFO] [stdout] 36532b4e0b00cdb07d857e23fd9b276ced4c3a6e65194d2d0204b8dfd0a55d3b