[INFO] fetching crate eng-wasm 0.1.7...
[INFO] testing eng-wasm-0.1.7 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate eng-wasm 0.1.7 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate eng-wasm 0.1.7 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate eng-wasm 0.1.7
[INFO] finished tweaking crates.io crate eng-wasm 0.1.7
[INFO] tweaked toml for crates.io crate eng-wasm 0.1.7 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb724485215e6149fc84f3c09a45286b652536f621877f455017911879616697
[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" "bb724485215e6149fc84f3c09a45286b652536f621877f455017911879616697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb724485215e6149fc84f3c09a45286b652536f621877f455017911879616697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb724485215e6149fc84f3c09a45286b652536f621877f455017911879616697", kill_on_drop: false }`
[INFO] [stdout] bb724485215e6149fc84f3c09a45286b652536f621877f455017911879616697
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30993a9741f2dd5cb187a793d9d70b6fc2b022a0845f798cb3708e4dbddb21b6
[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" "30993a9741f2dd5cb187a793d9d70b6fc2b022a0845f798cb3708e4dbddb21b6", 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 crunchy v0.2.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling static_assertions v0.2.5
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling fixed-hash v0.3.2
[INFO] [stderr]    Compiling uint v0.6.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling eng-pwasm-abi v0.3.2
[INFO] [stderr]    Compiling eng-wasm v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.37s
[INFO] running `Command { std: "docker" "inspect" "30993a9741f2dd5cb187a793d9d70b6fc2b022a0845f798cb3708e4dbddb21b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30993a9741f2dd5cb187a793d9d70b6fc2b022a0845f798cb3708e4dbddb21b6", kill_on_drop: false }`
[INFO] [stdout] 30993a9741f2dd5cb187a793d9d70b6fc2b022a0845f798cb3708e4dbddb21b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", 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] 1cc52287b33a2dbb642e9233a15b229c0a212cf8cf982d7361636aa0c10a2cbe
[INFO] running `Command { std: "docker" "start" "-a" "1cc52287b33a2dbb642e9233a15b229c0a212cf8cf982d7361636aa0c10a2cbe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling eng-wasm v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/eng_wasm-a20e3f1f809b6dff.eng_wasm.283af60c-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/eng_wasm-a20e3f1f809b6dff.eng_wasm.283af60c-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/eng_wasm-a20e3f1f809b6dff.eng_wasm.283af60c-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/eng_wasm-a20e3f1f809b6dff.eng_wasm.283af60c-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/eng_wasm-a20e3f1f809b6dff.eng_wasm.283af60c-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/eng_wasm-a20e3f1f809b6dff.eng_wasm.283af60c-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/eng_wasm-a20e3f1f809b6dff.eng_wasm.283af60c-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/eng_wasm-a20e3f1f809b6dff.eng_wasm.283af60c-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/eng_wasm-a20e3f1f809b6dff.eng_wasm.283af60c-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/eng_wasm-a20e3f1f809b6dff.eng_wasm.283af60c-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/eng_wasm-a20e3f1f809b6dff.eng_wasm.283af60c-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/eng_wasm-a20e3f1f809b6dff.eng_wasm.283af60c-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/eng_wasm-a20e3f1f809b6dff.eng_wasm.283af60c-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/eng_wasm-a20e3f1f809b6dff.5ai4qdpmv7rpll7d.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-1ce38cc2ca963dbe.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-44cde79bf84da402.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-4dc925bb53d03412.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-2216cca8b1bb2a2f.rlib" "/opt/rustwide/target/debug/deps/libeng_pwasm_abi-d71854ddebb39b03.rlib" "/opt/rustwide/target/debug/deps/libfixed_hash-04e63dbef3263ba1.rlib" "/opt/rustwide/target/debug/deps/libstatic_assertions-1f6d813d1d8e1580.rlib" "/opt/rustwide/target/debug/deps/libuint-747b32d056324312.rlib" "/opt/rustwide/target/debug/deps/libcrunchy-bee465adfef7f9a4.rlib" "/opt/rustwide/target/debug/deps/librustc_hex-2724235e4e79909f.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-24112b8d60200f95.rlib" "/opt/rustwide/target/debug/deps/libserde_json-ab3cd081e3acb731.rlib" "/opt/rustwide/target/debug/deps/libryu-e6fb900e507a464e.rlib" "/opt/rustwide/target/debug/deps/libitoa-653c401ca764c4cb.rlib" "/opt/rustwide/target/debug/deps/libserde-ce7a8fec3847a50d.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9c44f1fe63de3edb.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-5dfdbb680ac299a1.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-353beaf877db2fdf.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-cd4abd33332d2d3f.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-3b908b5b50ddd80c.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-9cafd3521b5532d3.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-7b0935832903a9ac.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-8a349b13d67c76e3.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-9d41e7cb09eafd8e.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-095194fedb4c0ec4.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-968cf83f088269ec.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-e63bbb95a6beff5c.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-9f216e67c2916fa5.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-4688b763605c6a0e.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a9b2dc3244289321.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-52d5241975807511.rlib" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9924c22ae1efcf66.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-003d83a588984e1f.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/eng_wasm-a20e3f1f809b6dff" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/eng_wasm-a20e3f1f809b6dff.eng_wasm.283af60c-cgu.1.rcgu.o: in function `print':
[INFO] [stdout]           /opt/rustwide/workdir/src/lib.rs:46: undefined reference to `eprint'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout]   = help: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
[INFO] [stdout]   = note: use the `-l` flag to specify native libraries to link
[INFO] [stdout]   = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#cargorustc-link-libkindname)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `eng-wasm` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "1cc52287b33a2dbb642e9233a15b229c0a212cf8cf982d7361636aa0c10a2cbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cc52287b33a2dbb642e9233a15b229c0a212cf8cf982d7361636aa0c10a2cbe", kill_on_drop: false }`
[INFO] [stdout] 1cc52287b33a2dbb642e9233a15b229c0a212cf8cf982d7361636aa0c10a2cbe