[INFO] cloning repository https://github.com/ldesgoui/head_empty
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ldesgoui/head_empty" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fldesgoui%2Fhead_empty", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fldesgoui%2Fhead_empty'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9cf1d7f9b078cfe1bc6e223b34a20ea397377e84
[INFO] testing ldesgoui/head_empty against nightly-2025-01-18+rustflags=-Zrandomize-layout for randomize-layout-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fldesgoui%2Fhead_empty" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ldesgoui/head_empty on toolchain nightly-2025-01-18
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2025-01-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ldesgoui/head_empty
[INFO] finished tweaking git repo https://github.com/ldesgoui/head_empty
[INFO] tweaked toml for git repo https://github.com/ldesgoui/head_empty written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ldesgoui/head_empty 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" "+nightly-2025-01-18" "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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9320c4ca0c4d19741b0c4b351d0340d2e162393c812d83fd0dfdf7e43f1eaea7
[INFO] running `Command { std: "docker" "start" "-a" "9320c4ca0c4d19741b0c4b351d0340d2e162393c812d83fd0dfdf7e43f1eaea7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9320c4ca0c4d19741b0c4b351d0340d2e162393c812d83fd0dfdf7e43f1eaea7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9320c4ca0c4d19741b0c4b351d0340d2e162393c812d83fd0dfdf7e43f1eaea7", kill_on_drop: false }`
[INFO] [stdout] 9320c4ca0c4d19741b0c4b351d0340d2e162393c812d83fd0dfdf7e43f1eaea7
[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 -Zrandomize-layout" "-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f967aee643d4a650397098d20526e612c96e0936c5253333b2b86e678472a46b
[INFO] running `Command { std: "docker" "start" "-a" "f967aee643d4a650397098d20526e612c96e0936c5253333b2b86e678472a46b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling erased-serde v0.3.16
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling linkme-impl v0.2.6
[INFO] [stderr]    Compiling linkme v0.2.6
[INFO] [stderr]    Compiling head-empty v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.18s
[INFO] running `Command { std: "docker" "inspect" "f967aee643d4a650397098d20526e612c96e0936c5253333b2b86e678472a46b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f967aee643d4a650397098d20526e612c96e0936c5253333b2b86e678472a46b", kill_on_drop: false }`
[INFO] [stdout] f967aee643d4a650397098d20526e612c96e0936c5253333b2b86e678472a46b
[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 -Zrandomize-layout" "-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1854dbf93e930d4bb5a0bf90090c9fb529f9f3aaa2c36134bbfac21edff1139
[INFO] running `Command { std: "docker" "start" "-a" "a1854dbf93e930d4bb5a0bf90090c9fb529f9f3aaa2c36134bbfac21edff1139", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling head-empty v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.92s
[INFO] running `Command { std: "docker" "inspect" "a1854dbf93e930d4bb5a0bf90090c9fb529f9f3aaa2c36134bbfac21edff1139", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1854dbf93e930d4bb5a0bf90090c9fb529f9f3aaa2c36134bbfac21edff1139", kill_on_drop: false }`
[INFO] [stdout] a1854dbf93e930d4bb5a0bf90090c9fb529f9f3aaa2c36134bbfac21edff1139
[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 -Zrandomize-layout" "-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 98b04873efcd5ec1e814b9419841558385a246bd7627cbe9cf4c50e0d5baa531
[INFO] running `Command { std: "docker" "start" "-a" "98b04873efcd5ec1e814b9419841558385a246bd7627cbe9cf4c50e0d5baa531", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/head_empty-c6bba9af7d580076)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test de::tests::missing_field ... ok
[INFO] [stderr]    Doc-tests head_empty
[INFO] [stdout] test de::tests::smoke_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - register (line 99) ... ok
[INFO] [stdout] test src/lib.rs - register (line 68) ... ok
[INFO] [stdout] test src/lib.rs - register (line 81) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 5) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - register (line 81) stdout ----
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/nightly-2025-01-18-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/nightly-2025-01-18-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin/self-contained:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustcOy5nQI/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libserde_json-aa842641ad7ee569.rlib,libryu-36b8ae865f847ef3.rlib,libitoa-6dacdde320782b31.rlib,libhead_empty-a9e76b01305be719.rlib,libonce_cell-bf421e69cccf0fa5.rlib,liblinkme-d08111fd2d241a20.rlib,liberased_serde-f92e643bada74ec6.rlib,libserde-90266277c964ad7e.rlib}" "/opt/rustwide/rustup-home/toolchains/nightly-2025-01-18-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-006123e2ce67e99d.rlib,libpanic_unwind-e1447e1efa6f1e57.rlib,libobject-f6963a4916fcf097.rlib,libmemchr-49a2d9af912f4524.rlib,libaddr2line-04d19aad3936869d.rlib,libgimli-483c235edb789db0.rlib,librustc_demangle-294281af50b8f748.rlib,libstd_detect-3b08295250aabc2a.rlib,libhashbrown-4472d1e05ba0dfaf.rlib,librustc_std_workspace_alloc-2ef099fac590e457.rlib,libminiz_oxide-8a51f5e848546c29.rlib,libadler2-3d3fa22b868db521.rlib,libunwind-0ffda8b08e22dbea.rlib,libcfg_if-b08f62458fdd43b9.rlib,liblibc-559675126e63b890.rlib,liballoc-fcf21c8d1c9c7b75.rlib,librustc_std_workspace_core-e0b0460135bcf21d.rlib,libcore-d4097fdcbddd3bc7.rlib,libcompiler_builtins-fea484ac1eed7881.rlib}" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-B/opt/rustwide/rustup-home/toolchains/nightly-2025-01-18-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/nightly-2025-01-18-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/tmp/rustdoctestxMBZCD/rust_out" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: undefined symbol: __stop_linkme_REGISTRATIONS
[INFO] [stdout]           >>> referenced by lib.rs:43 (src/lib.rs:43)
[INFO] [stdout]           >>>               head_empty-a9e76b01305be719.head_empty.38e71ebffe5a7920-cgu.1.rcgu.o:(head_empty::REGISTRATIONS::h9e4e7b65d728f294) in archive /opt/rustwide/target/debug/deps/libhead_empty-a9e76b01305be719.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: __start_linkme_REGISTRATIONS
[INFO] [stdout]           >>> referenced by lib.rs:43 (src/lib.rs:43)
[INFO] [stdout]           >>>               head_empty-a9e76b01305be719.head_empty.38e71ebffe5a7920-cgu.1.rcgu.o:(head_empty::REGISTRATIONS::h9e4e7b65d728f294) in archive /opt/rustwide/target/debug/deps/libhead_empty-a9e76b01305be719.rlib
[INFO] [stdout]           >>> the encapsulation symbol needs to be retained under --gc-sections properly; consider -z nostart-stop-gc (see https://lld.llvm.org/ELF/start-stop-gc)
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 5) stdout ----
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/nightly-2025-01-18-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/nightly-2025-01-18-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin/self-contained:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustctQF2vI/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libserde_json-aa842641ad7ee569.rlib,libryu-36b8ae865f847ef3.rlib,libitoa-6dacdde320782b31.rlib,libhead_empty-a9e76b01305be719.rlib,libonce_cell-bf421e69cccf0fa5.rlib,liblinkme-d08111fd2d241a20.rlib,liberased_serde-f92e643bada74ec6.rlib,libserde-90266277c964ad7e.rlib}" "/opt/rustwide/rustup-home/toolchains/nightly-2025-01-18-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-006123e2ce67e99d.rlib,libpanic_unwind-e1447e1efa6f1e57.rlib,libobject-f6963a4916fcf097.rlib,libmemchr-49a2d9af912f4524.rlib,libaddr2line-04d19aad3936869d.rlib,libgimli-483c235edb789db0.rlib,librustc_demangle-294281af50b8f748.rlib,libstd_detect-3b08295250aabc2a.rlib,libhashbrown-4472d1e05ba0dfaf.rlib,librustc_std_workspace_alloc-2ef099fac590e457.rlib,libminiz_oxide-8a51f5e848546c29.rlib,libadler2-3d3fa22b868db521.rlib,libunwind-0ffda8b08e22dbea.rlib,libcfg_if-b08f62458fdd43b9.rlib,liblibc-559675126e63b890.rlib,liballoc-fcf21c8d1c9c7b75.rlib,librustc_std_workspace_core-e0b0460135bcf21d.rlib,libcore-d4097fdcbddd3bc7.rlib,libcompiler_builtins-fea484ac1eed7881.rlib}" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-B/opt/rustwide/rustup-home/toolchains/nightly-2025-01-18-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/nightly-2025-01-18-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/tmp/rustdoctestn5pYMZ/rust_out" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: undefined symbol: __stop_linkme_REGISTRATIONS
[INFO] [stdout]           >>> referenced by lib.rs:43 (src/lib.rs:43)
[INFO] [stdout]           >>>               head_empty-a9e76b01305be719.head_empty.38e71ebffe5a7920-cgu.1.rcgu.o:(head_empty::REGISTRATIONS::h9e4e7b65d728f294) in archive /opt/rustwide/target/debug/deps/libhead_empty-a9e76b01305be719.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: __start_linkme_REGISTRATIONS
[INFO] [stdout]           >>> referenced by lib.rs:43 (src/lib.rs:43)
[INFO] [stdout]           >>>               head_empty-a9e76b01305be719.head_empty.38e71ebffe5a7920-cgu.1.rcgu.o:(head_empty::REGISTRATIONS::h9e4e7b65d728f294) in archive /opt/rustwide/target/debug/deps/libhead_empty-a9e76b01305be719.rlib
[INFO] [stdout]           >>> the encapsulation symbol needs to be retained under --gc-sections properly; consider -z nostart-stop-gc (see https://lld.llvm.org/ELF/start-stop-gc)
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 5)
[INFO] [stdout]     src/lib.rs - register (line 81)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.52s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "98b04873efcd5ec1e814b9419841558385a246bd7627cbe9cf4c50e0d5baa531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98b04873efcd5ec1e814b9419841558385a246bd7627cbe9cf4c50e0d5baa531", kill_on_drop: false }`
[INFO] [stdout] 98b04873efcd5ec1e814b9419841558385a246bd7627cbe9cf4c50e0d5baa531
