[INFO] updating cached repository https://github.com/hb-chen/wasm-hello-world-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 11ff1290f0d5aa5f843f389716f0c76e025c7e7e [INFO] testing hb-chen/wasm-hello-world-rust against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhb-chen%2Fwasm-hello-world-rust" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hb-chen/wasm-hello-world-rust on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hb-chen/wasm-hello-world-rust [INFO] finished tweaking git repo https://github.com/hb-chen/wasm-hello-world-rust [INFO] tweaked toml for git repo https://github.com/hb-chen/wasm-hello-world-rust written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/hb-chen/wasm-hello-world-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ddd9ad14f89c21cd9128c7688f60eeed2bba74f517fd09add530aab2480698ee [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" "ddd9ad14f89c21cd9128c7688f60eeed2bba74f517fd09add530aab2480698ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ddd9ad14f89c21cd9128c7688f60eeed2bba74f517fd09add530aab2480698ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ddd9ad14f89c21cd9128c7688f60eeed2bba74f517fd09add530aab2480698ee", kill_on_drop: false }` [INFO] [stdout] ddd9ad14f89c21cd9128c7688f60eeed2bba74f517fd09add530aab2480698ee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 74b3a20cde2fc736ea3a5fb919a2793dfcd3579f636cb5ff33e48f9d54238388 [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" "74b3a20cde2fc736ea3a5fb919a2793dfcd3579f636cb5ff33e48f9d54238388", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.15 [INFO] [stderr] Compiling syn v1.0.23 [INFO] [stderr] Compiling libc v0.2.70 [INFO] [stderr] Compiling protobuf v2.14.0 [INFO] [stderr] Compiling wee_alloc v0.4.5 [INFO] [stderr] Compiling memory_units v0.4.0 [INFO] [stderr] Compiling prometheus v0.8.0 [INFO] [stderr] Compiling ahash v0.3.5 [INFO] [stderr] Compiling hashbrown v0.7.2 [INFO] [stderr] Compiling quote v1.0.6 [INFO] [stderr] Compiling proxy-wasm v0.1.0 [INFO] [stderr] Compiling thiserror-impl v1.0.19 [INFO] [stderr] Compiling thiserror v1.0.19 [INFO] [stderr] Compiling hello-world v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 44.26s [INFO] running `Command { std: "docker" "inspect" "74b3a20cde2fc736ea3a5fb919a2793dfcd3579f636cb5ff33e48f9d54238388", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74b3a20cde2fc736ea3a5fb919a2793dfcd3579f636cb5ff33e48f9d54238388", kill_on_drop: false }` [INFO] [stdout] 74b3a20cde2fc736ea3a5fb919a2793dfcd3579f636cb5ff33e48f9d54238388 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f25ffe41ddd7fb82d6e67143ab22837ee70e0abda81dd69c30fbc48f983d4389 [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" "f25ffe41ddd7fb82d6e67143ab22837ee70e0abda81dd69c30fbc48f983d4389", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling hello-world v0.1.0 (/opt/rustwide/workdir) [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-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/hello_world-b35b3e06edb297c2.hello_world.2y9l9pjn-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/hello_world-b35b3e06edb297c2.hello_world.2y9l9pjn-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/hello_world-b35b3e06edb297c2.hello_world.2y9l9pjn-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/hello_world-b35b3e06edb297c2.hello_world.2y9l9pjn-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/hello_world-b35b3e06edb297c2.hello_world.2y9l9pjn-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/hello_world-b35b3e06edb297c2.hello_world.2y9l9pjn-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/hello_world-b35b3e06edb297c2.hello_world.2y9l9pjn-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/hello_world-b35b3e06edb297c2.hello_world.2y9l9pjn-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/hello_world-b35b3e06edb297c2.hello_world.2y9l9pjn-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/hello_world-b35b3e06edb297c2.hello_world.2y9l9pjn-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/hello_world-b35b3e06edb297c2.hello_world.2y9l9pjn-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/hello_world-b35b3e06edb297c2.hello_world.2y9l9pjn-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/hello_world-b35b3e06edb297c2.hello_world.2y9l9pjn-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/hello_world-b35b3e06edb297c2.hello_world.2y9l9pjn-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/hello_world-b35b3e06edb297c2.hello_world.2y9l9pjn-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/hello_world-b35b3e06edb297c2.hello_world.2y9l9pjn-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/hello_world-b35b3e06edb297c2" "/opt/rustwide/target/debug/deps/hello_world-b35b3e06edb297c2.1uhtgeipa298vklj.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-12320b97c89568cd.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-700356192fffd298.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-b7642fe67be89b55.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-5281c8ee01ffdf7b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-a4e3948fb2172e36.rlib" "/opt/rustwide/target/debug/deps/libproxy_wasm-1844c16cdafee5cf.rlib" "/opt/rustwide/target/debug/deps/libwee_alloc-2d35446ea3e94534.rlib" "/opt/rustwide/target/debug/deps/liblibc-0ed844952032ecf9.rlib" "/opt/rustwide/target/debug/deps/libmemory_units-8287583f43bd1bfe.rlib" "/opt/rustwide/target/debug/deps/libhashbrown-3d01772fe6996b48.rlib" "/opt/rustwide/target/debug/deps/libahash-9e01f26c810658b2.rlib" "/opt/rustwide/target/debug/deps/liblog-e9c1f4128215cfb7.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-727e218cbe4629d5.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-d66e0ceb8eaec9b8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-9717ec0599b569a0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-04369de9ba916647.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-997d622c2e4dbe5c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-0359c4288a5ef89f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-1b25ede22d698ab3.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-37940b486a68e488.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-06b77c27e794c7c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-4d07e02a8df36da1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-fb29e0695c0a0f79.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e16188b4cf97e8bb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-5eb391c8dabdee77.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-b0689b528b222bee.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ed072ac495e62e7a.rlib" "-Wl,-Bdynamic" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil" [INFO] [stdout] = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/hello_world-b35b3e06edb297c2.hello_world.2y9l9pjn-cgu.0.rcgu.o: in function `_start': [INFO] [stdout] /opt/rustwide/workdir/src/lib.rs:5: multiple definition of `_start'; /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/Scrt1.o:(.text+0x0): first defined here [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 `hello-world`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "f25ffe41ddd7fb82d6e67143ab22837ee70e0abda81dd69c30fbc48f983d4389", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f25ffe41ddd7fb82d6e67143ab22837ee70e0abda81dd69c30fbc48f983d4389", kill_on_drop: false }` [INFO] [stdout] f25ffe41ddd7fb82d6e67143ab22837ee70e0abda81dd69c30fbc48f983d4389