[INFO] fetching crate one_alloc 0.1.0...
[INFO] testing one_alloc-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate one_alloc 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate one_alloc 0.1.0
[INFO] finished tweaking crates.io crate one_alloc 0.1.0
[INFO] tweaked toml for crates.io crate one_alloc 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate one_alloc 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate one_alloc 0.1.0 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 733d77166e9777441770bc2d92d5f2a6aed524e39a00dd20200ee9b0810f5a8f
[INFO] running `Command { std: "docker" "start" "-a" "733d77166e9777441770bc2d92d5f2a6aed524e39a00dd20200ee9b0810f5a8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "733d77166e9777441770bc2d92d5f2a6aed524e39a00dd20200ee9b0810f5a8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "733d77166e9777441770bc2d92d5f2a6aed524e39a00dd20200ee9b0810f5a8f", kill_on_drop: false }`
[INFO] [stdout] 733d77166e9777441770bc2d92d5f2a6aed524e39a00dd20200ee9b0810f5a8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f4883eeafea77a455cd24d4d2892c6a6d69f561c4befd72e8c47bae5ef8d429
[INFO] running `Command { std: "docker" "start" "-a" "0f4883eeafea77a455cd24d4d2892c6a6d69f561c4befd72e8c47bae5ef8d429", kill_on_drop: false }`
[INFO] [stderr]    Compiling one_alloc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "0f4883eeafea77a455cd24d4d2892c6a6d69f561c4befd72e8c47bae5ef8d429", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f4883eeafea77a455cd24d4d2892c6a6d69f561c4befd72e8c47bae5ef8d429", kill_on_drop: false }`
[INFO] [stdout] 0f4883eeafea77a455cd24d4d2892c6a6d69f561c4befd72e8c47bae5ef8d429
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b67e5c1f5672281bfc3ffc1829e10d307ef4b88ce0d7b71db79533f93666d0ee
[INFO] running `Command { std: "docker" "start" "-a" "b67e5c1f5672281bfc3ffc1829e10d307ef4b88ce0d7b71db79533f93666d0ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling one_alloc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `lang_items` is internal to the compiler or standard library
[INFO] [stdout]  --> examples/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(lang_items)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: using it is strongly discouraged
[INFO] [stdout]   = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `default_alloc_error_handler` has been stable since 1.68.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> examples/main.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(default_alloc_error_handler)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `core_c_str` has been stable since 1.64.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> examples/main.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(core_c_str)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustcWc2rdA/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bdynamic" "-lc" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libone_alloc-eebbf8bc29d43dff.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/tmp/rustcWc2rdA/raw-dylibs" "-Wl,-Bdynamic" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/examples/main-70f46a6e3d08be83" "-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: _Unwind_Resume
[INFO] [stdout]           >>> referenced by result.rs:1227 (/rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/result.rs:1227)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/examples/main-70f46a6e3d08be83.main.6c4dd282df08bc7f-cgu.0.rcgu.o:(__rustc::rust_begin_unwind)
[INFO] [stdout]           >>> referenced by main.rs:0 (examples/main.rs:0)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/examples/main-70f46a6e3d08be83.main.6c4dd282df08bc7f-cgu.0.rcgu.o:(main::main::ha9cc0309c0c47d51)
[INFO] [stdout]           >>> referenced by boxed.rs:265 (/rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/alloc/src/boxed.rs:265)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/examples/main-70f46a6e3d08be83.main.6c4dd282df08bc7f-cgu.0.rcgu.o:(alloc::sync::Arc$LT$T$GT$::new::h1a45e8f88d776b87)
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `one_alloc` (example "main") due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b67e5c1f5672281bfc3ffc1829e10d307ef4b88ce0d7b71db79533f93666d0ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b67e5c1f5672281bfc3ffc1829e10d307ef4b88ce0d7b71db79533f93666d0ee", kill_on_drop: false }`
[INFO] [stdout] b67e5c1f5672281bfc3ffc1829e10d307ef4b88ce0d7b71db79533f93666d0ee
