[INFO] cloning repository https://github.com/just-arun/old_iron
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/just-arun/old_iron" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjust-arun%2Fold_iron", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjust-arun%2Fold_iron'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8726e2ba11efb512aecd32ca6b907b54117bfb16
[INFO] testing just-arun/old_iron against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjust-arun%2Fold_iron" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/just-arun/old_iron on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/just-arun/old_iron
[INFO] finished tweaking git repo https://github.com/just-arun/old_iron
[INFO] tweaked toml for git repo https://github.com/just-arun/old_iron written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/just-arun/old_iron already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69377bd7f8fb6952041cf4f42a813e5098d377b69a17ddbc57e63ad84c4b24b2
[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" "69377bd7f8fb6952041cf4f42a813e5098d377b69a17ddbc57e63ad84c4b24b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69377bd7f8fb6952041cf4f42a813e5098d377b69a17ddbc57e63ad84c4b24b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69377bd7f8fb6952041cf4f42a813e5098d377b69a17ddbc57e63ad84c4b24b2", kill_on_drop: false }`
[INFO] [stdout] 69377bd7f8fb6952041cf4f42a813e5098d377b69a17ddbc57e63ad84c4b24b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0d2917620c83ca1b1bd228e4a1b76bea3b1849da883cd9027f8082f903ff9a4
[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" "d0d2917620c83ca1b1bd228e4a1b76bea3b1849da883cd9027f8082f903ff9a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.5
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling base-x v0.2.6
[INFO] [stderr]    Compiling discard v1.0.4
[INFO] [stderr]    Compiling stdweb v0.4.20
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling stdweb-derive v0.5.3
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.9
[INFO] [stderr]    Compiling web 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/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/web-473dd166893653b7.web.129wkayh-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/web-473dd166893653b7.web.129wkayh-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/web-473dd166893653b7.web.129wkayh-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/web-473dd166893653b7.web.129wkayh-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/web-473dd166893653b7.web.129wkayh-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/web-473dd166893653b7.web.129wkayh-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/web-473dd166893653b7.web.129wkayh-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/web-473dd166893653b7.web.129wkayh-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/web-473dd166893653b7.web.129wkayh-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/web-473dd166893653b7.web.129wkayh-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/web-473dd166893653b7.web.129wkayh-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/web-473dd166893653b7.web.129wkayh-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/web-473dd166893653b7.web.129wkayh-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/web-473dd166893653b7.web.129wkayh-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/web-473dd166893653b7.web.129wkayh-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/web-473dd166893653b7.web.129wkayh-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/web-473dd166893653b7" "/opt/rustwide/target/debug/deps/web-473dd166893653b7.31j0mlbk8pwe2416.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libstdweb-ccf9f3033e2c1731.rlib" "/opt/rustwide/target/debug/deps/libdiscard-4790efd64fd1d129.rlib" "/opt/rustwide/target/debug/deps/libstdweb_internal_runtime-0ae44811f20be355.rlib" "/opt/rustwide/target/debug/deps/libserde_json-d6fe832051860d9d.rlib" "/opt/rustwide/target/debug/deps/libryu-37b6e9a22bb2209d.rlib" "/opt/rustwide/target/debug/deps/libitoa-433fb1da5ae5f192.rlib" "/opt/rustwide/target/debug/deps/libserde-6a5eaed0365bc64b.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-e12de7683a34c500.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-446a53c2e468675f.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-86fef9fb252a2d33.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-3bed9bfd30304751.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-0e38eeb474a7b386.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-a846ed547b824740.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-c9540f0a4fb9265d.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7d2ca66c92c356eb.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-147e2c808f949493.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-bd2a4369506670e9.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-74bfdd0ce7d0ed48.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-6777f47f1c491841.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-b104f1790174f2be.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-db37898996f45c13.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-25b7435131fc4938.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9d4b6f3c097e876e.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-3f953ad652ab829a.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/web-473dd166893653b7.web.129wkayh-cgu.1.rcgu.o: in function `web::on_key::snippet::__cargo_web_snippet_d7e8d583ab25cab43e46b8259eaf81008ad7c207':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:139: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/web-473dd166893653b7.web.129wkayh-cgu.1.rcgu.o: in function `web::on_mouse_click::snippet::__cargo_web_snippet_8ac85f6f7d8d2c7a5411feb115a1fc72d713e39c':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:139: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-ccf9f3033e2c1731.rlib(stdweb-ccf9f3033e2c1731.stdweb.56chw1vy-cgu.0.rcgu.o): in function `<stdweb::webapi::rendering_context::CanvasRenderingContext2d as stdweb::webcore::instance_of::InstanceOf>::instance_of::snippet::__cargo_web_snippet_550049fd354fc2e2d13b8dacf6ebece3de7d60a0':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:64: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-ccf9f3033e2c1731.rlib(stdweb-ccf9f3033e2c1731.stdweb.56chw1vy-cgu.0.rcgu.o): in function `<stdweb::webapi::rendering_context::CanvasRenderingContext2d as stdweb::webapi::rendering_context::RenderingContext>::from_canvas::snippet::__cargo_web_snippet_49ae24e0f2d690c290030200ef793256363af281':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:149: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-ccf9f3033e2c1731.rlib(stdweb-ccf9f3033e2c1731.stdweb.56chw1vy-cgu.0.rcgu.o): in function `stdweb::webapi::rendering_context::CanvasRenderingContext2d::set_fill_style_color::snippet::__cargo_web_snippet_7e69871d2f0243bddcb8cffc809fd6fb5fb78697':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:139: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-ccf9f3033e2c1731.rlib(stdweb-ccf9f3033e2c1731.stdweb.56chw1vy-cgu.0.rcgu.o):/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:139: more undefined references to `emscripten_asm_const_int' follow
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-ccf9f3033e2c1731.rlib(stdweb-ccf9f3033e2c1731.stdweb.56chw1vy-cgu.6.rcgu.o): in function `stdweb::webcore::ffi::emscripten::event_loop':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/ffi/emscripten.rs:9: undefined reference to `emscripten_pause_main_loop'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/ffi/emscripten.rs:11: undefined reference to `emscripten_set_main_loop'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-ccf9f3033e2c1731.rlib(stdweb-ccf9f3033e2c1731.stdweb.56chw1vy-cgu.6.rcgu.o): in function `stdweb::webapi::window::window::snippet::__cargo_web_snippet_0f503de1d61309643e0e13a7871406891e3691c9':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:149: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-ccf9f3033e2c1731.rlib(stdweb-ccf9f3033e2c1731.stdweb.56chw1vy-cgu.8.rcgu.o): in function `stdweb::webcore::value::Reference::from_raw_unchecked::snippet::__cargo_web_snippet_9f22d4ca7bc938409787341b7db181f8dd41e6df':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:32: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-ccf9f3033e2c1731.rlib(stdweb-ccf9f3033e2c1731.stdweb.56chw1vy-cgu.8.rcgu.o): in function `<stdweb::webcore::value::Reference as core::ops::drop::Drop>::drop::snippet::__cargo_web_snippet_80d6d56760c65e49b7be8b6b01c1ea861b046bf0':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:32: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-ccf9f3033e2c1731.rlib(stdweb-ccf9f3033e2c1731.stdweb.56chw1vy-cgu.9.rcgu.o): in function `<stdweb::webapi::html_elements::canvas::CanvasElement as stdweb::webcore::instance_of::InstanceOf>::instance_of::snippet::__cargo_web_snippet_2566a94332f60241405fa45e6a379e8daa71af81':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:64: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-ccf9f3033e2c1731.rlib(stdweb-ccf9f3033e2c1731.stdweb.56chw1vy-cgu.9.rcgu.o): in function `stdweb::webapi::events::mouse::IMouseEvent::button::snippet::__cargo_web_snippet_2e92e77c21dea6f3b01f9ba7ab22b0a1dae4a9ab':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:149: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-ccf9f3033e2c1731.rlib(stdweb-ccf9f3033e2c1731.stdweb.56chw1vy-cgu.9.rcgu.o):/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:149: more undefined references to `emscripten_asm_const_int' follow
[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 `web`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "d0d2917620c83ca1b1bd228e4a1b76bea3b1849da883cd9027f8082f903ff9a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0d2917620c83ca1b1bd228e4a1b76bea3b1849da883cd9027f8082f903ff9a4", kill_on_drop: false }`
[INFO] [stdout] d0d2917620c83ca1b1bd228e4a1b76bea3b1849da883cd9027f8082f903ff9a4