[INFO] fetching crate objc_id 0.1.1...
[INFO] testing objc_id-0.1.1 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate objc_id 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate objc_id 0.1.1 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate objc_id 0.1.1
[INFO] finished tweaking crates.io crate objc_id 0.1.1
[INFO] tweaked toml for crates.io crate objc_id 0.1.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2020-10-09" "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] ac158f133cfed19fa2ecd40a635c90e84aa3744117a23fd01b8b66ae78193c87
[INFO] running `Command { std: "docker" "start" "-a" "ac158f133cfed19fa2ecd40a635c90e84aa3744117a23fd01b8b66ae78193c87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac158f133cfed19fa2ecd40a635c90e84aa3744117a23fd01b8b66ae78193c87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac158f133cfed19fa2ecd40a635c90e84aa3744117a23fd01b8b66ae78193c87", kill_on_drop: false }`
[INFO] [stdout] ac158f133cfed19fa2ecd40a635c90e84aa3744117a23fd01b8b66ae78193c87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 222efa5a41365d002c396e4828717915ac4cfc911a29604a0ad803c6518fdb74
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "222efa5a41365d002c396e4828717915ac4cfc911a29604a0ad803c6518fdb74", kill_on_drop: false }`
[INFO] [stderr]    Compiling malloc_buf v0.0.6
[INFO] [stderr]    Compiling objc v0.2.7
[INFO] [stderr]    Compiling objc_id v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:42:1
[INFO] [stdout]    |
[INFO] [stdout] 42 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "222efa5a41365d002c396e4828717915ac4cfc911a29604a0ad803c6518fdb74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "222efa5a41365d002c396e4828717915ac4cfc911a29604a0ad803c6518fdb74", kill_on_drop: false }`
[INFO] [stdout] 222efa5a41365d002c396e4828717915ac4cfc911a29604a0ad803c6518fdb74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a9a5beadddbdcbfaec67aa38aacf9ad10bae68dd2d005cbe366e05a16d0e446
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1a9a5beadddbdcbfaec67aa38aacf9ad10bae68dd2d005cbe366e05a16d0e446", kill_on_drop: false }`
[INFO] [stderr]    Compiling objc_id v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:42:1
[INFO] [stdout]    |
[INFO] [stdout] 42 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/objc_id-57b95086606ee278.objc_id.bk9mo8ug-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/objc_id-57b95086606ee278.objc_id.bk9mo8ug-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/objc_id-57b95086606ee278.objc_id.bk9mo8ug-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/objc_id-57b95086606ee278.objc_id.bk9mo8ug-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/objc_id-57b95086606ee278.objc_id.bk9mo8ug-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/objc_id-57b95086606ee278.objc_id.bk9mo8ug-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/objc_id-57b95086606ee278.objc_id.bk9mo8ug-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/objc_id-57b95086606ee278.objc_id.bk9mo8ug-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/objc_id-57b95086606ee278.objc_id.bk9mo8ug-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/objc_id-57b95086606ee278.objc_id.bk9mo8ug-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/objc_id-57b95086606ee278.objc_id.bk9mo8ug-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/objc_id-57b95086606ee278.objc_id.bk9mo8ug-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/objc_id-57b95086606ee278.objc_id.bk9mo8ug-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/objc_id-57b95086606ee278.objc_id.bk9mo8ug-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/objc_id-57b95086606ee278.objc_id.bk9mo8ug-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/objc_id-57b95086606ee278.objc_id.bk9mo8ug-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/objc_id-57b95086606ee278" "/opt/rustwide/target/debug/deps/objc_id-57b95086606ee278.8s85qnkvfwvkpcp.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-8c293b579fdb38fc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-ef7d6114ddb41a44.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-16c582eb506314ba.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-6abbb81e68fea101.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-4437f76c42770bc3.rlib" "/opt/rustwide/target/debug/deps/libobjc-9c4c32a71dc5f273.rlib" "/opt/rustwide/target/debug/deps/libmalloc_buf-7629f72c35ca681d.rlib" "/opt/rustwide/target/debug/deps/liblibc-e52aab25f5d90c7e.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-3532beb752f910d7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-3529ece450b7f3c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-23e8f582a6744f80.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-5e7e0793b29cbf78.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-253e0736424ceb78.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-b6fd484888124c85.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-cca4d20e4b53839c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0a7401891c2a4f50.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-efbb25e073df787e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-25965457612624bc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-09058283ea779342.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-ab973dacc0513511.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-b437d6640b1f764b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-8cc0b2380206399c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-727cdf2b6a468113.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-cf4d442d877ea2f4.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-7e5b6df427ca977c.rlib" "-Wl,-Bdynamic" "-lobjc" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libobjc-9c4c32a71dc5f273.rlib(objc-9c4c32a71dc5f273.objc.7qboljpw-cgu.11.rcgu.o): in function `objc::rc::strong::StrongPtr::retain':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/objc-0.2.7/src/rc/strong.rs:24: undefined reference to `objc_retain'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libobjc-9c4c32a71dc5f273.rlib(objc-9c4c32a71dc5f273.objc.7qboljpw-cgu.11.rcgu.o): in function `<objc::rc::strong::StrongPtr as core::ops::drop::Drop>::drop':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/objc-0.2.7/src/rc/strong.rs:48: undefined reference to `objc_release'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libobjc-9c4c32a71dc5f273.rlib(objc-9c4c32a71dc5f273.objc.7qboljpw-cgu.5.rcgu.o): in function `objc::rc::weak::WeakPtr::new':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/objc-0.2.7/src/rc/weak.rs:20: undefined reference to `objc_initWeak'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libobjc-9c4c32a71dc5f273.rlib(objc-9c4c32a71dc5f273.objc.7qboljpw-cgu.5.rcgu.o): in function `objc::rc::weak::WeakPtr::load':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/objc-0.2.7/src/rc/weak.rs:28: undefined reference to `objc_loadWeakRetained'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libobjc-9c4c32a71dc5f273.rlib(objc-9c4c32a71dc5f273.objc.7qboljpw-cgu.5.rcgu.o): in function `<objc::rc::weak::WeakPtr as core::ops::drop::Drop>::drop':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/objc-0.2.7/src/rc/weak.rs:37: undefined reference to `objc_destroyWeak'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `objc_id`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "1a9a5beadddbdcbfaec67aa38aacf9ad10bae68dd2d005cbe366e05a16d0e446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a9a5beadddbdcbfaec67aa38aacf9ad10bae68dd2d005cbe366e05a16d0e446", kill_on_drop: false }`
[INFO] [stdout] 1a9a5beadddbdcbfaec67aa38aacf9ad10bae68dd2d005cbe366e05a16d0e446
