[INFO] updating cached repository alexcrichton/cancelbot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/alexcrichton/cancelbot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/alexcrichton/cancelbot" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/alexcrichton/cancelbot"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/alexcrichton/cancelbot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/alexcrichton/cancelbot" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/alexcrichton/cancelbot"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/alexcrichton/cancelbot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 85a00cfbc399fb706e6245bcf874b4cb176ba942
[INFO] sha for GitHub repo alexcrichton/cancelbot: 85a00cfbc399fb706e6245bcf874b4cb176ba942
[INFO] validating manifest of alexcrichton/cancelbot on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of alexcrichton/cancelbot on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing alexcrichton/cancelbot
[INFO] finished frobbing alexcrichton/cancelbot
[INFO] frobbed toml for alexcrichton/cancelbot written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/alexcrichton/cancelbot/Cargo.toml
[INFO] started frobbing alexcrichton/cancelbot
[INFO] finished frobbing alexcrichton/cancelbot
[INFO] frobbed toml for alexcrichton/cancelbot written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/alexcrichton/cancelbot/Cargo.toml
[INFO] crate alexcrichton/cancelbot has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing alexcrichton/cancelbot against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/alexcrichton/cancelbot:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 336f37c3e67eabfcda8026d60510d168c1f5a6c57bffa31673ccc1d36536266f
[INFO] running `"docker" "start" "-a" "336f37c3e67eabfcda8026d60510d168c1f5a6c57bffa31673ccc1d36536266f"`
[INFO] [stderr]    Compiling libz-sys v1.0.12
[INFO] [stderr]    Compiling curl-sys v0.3.7
[INFO] [stderr]    Compiling mio v0.6.4
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling error-chain v0.5.0
[INFO] [stderr]    Compiling tokio-core v0.1.4
[INFO] [stderr]    Compiling curl v0.4.4
[INFO] [stderr]    Compiling tokio-curl v0.1.9
[INFO] [stderr]    Compiling cancelbot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / error_chain! {
[INFO] [stderr] 9  | |     types {
[INFO] [stderr] 10 | |         BorsError, BorsErrorKind, BorsChainErr, BorsResult;
[INFO] [stderr] 11 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 19 | |     }
[INFO] [stderr] 20 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / error_chain! {
[INFO] [stderr] 9  | |     types {
[INFO] [stderr] 10 | |         BorsError, BorsErrorKind, BorsChainErr, BorsResult;
[INFO] [stderr] 11 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 19 | |     }
[INFO] [stderr] 20 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/crater/rustup-home/toolchains/7fea0229842e79db1159ea58ad9a653b288efee9-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/cancelbot-1851b59f6bfd46aa.cancelbot.8k8bqybv-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/cancelbot-1851b59f6bfd46aa.cancelbot.8k8bqybv-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/cancelbot-1851b59f6bfd46aa.cancelbot.8k8bqybv-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/cancelbot-1851b59f6bfd46aa.cancelbot.8k8bqybv-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/cancelbot-1851b59f6bfd46aa.cancelbot.8k8bqybv-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/cancelbot-1851b59f6bfd46aa.cancelbot.8k8bqybv-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/cancelbot-1851b59f6bfd46aa.cancelbot.8k8bqybv-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/cancelbot-1851b59f6bfd46aa.cancelbot.8k8bqybv-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/cancelbot-1851b59f6bfd46aa.cancelbot.8k8bqybv-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/cancelbot-1851b59f6bfd46aa.cancelbot.8k8bqybv-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/cancelbot-1851b59f6bfd46aa.cancelbot.8k8bqybv-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/cancelbot-1851b59f6bfd46aa.cancelbot.8k8bqybv-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/cancelbot-1851b59f6bfd46aa.cancelbot.8k8bqybv-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/cancelbot-1851b59f6bfd46aa.cancelbot.8k8bqybv-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/cancelbot-1851b59f6bfd46aa.cancelbot.8k8bqybv-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/cancelbot-1851b59f6bfd46aa.cancelbot.8k8bqybv-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/cancelbot-1851b59f6bfd46aa" "/opt/crater/target/debug/deps/cancelbot-1851b59f6bfd46aa.1cftt5j178gxq15a.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/target/debug/build/curl-sys-ef86f8c426aa1579/out/lib" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/opt/crater/rustup-home/toolchains/7fea0229842e79db1159ea58ad9a653b288efee9-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/liberror_chain-ea99787893ba35ac.rlib" "/opt/crater/target/debug/deps/libbacktrace-213eb958144bbae5.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-a9ad82dbcbd93607.rlib" "/opt/crater/target/debug/deps/librustc_demangle-4c4fdb42d352ee49.rlib" "/opt/crater/target/debug/deps/libdbghelp-9b750215343655ee.rlib" "/opt/crater/target/debug/deps/libwinapi-8b6aedb380efb349.rlib" "/opt/crater/target/debug/deps/libkernel32-03a5a47a8ea86e38.rlib" "/opt/crater/target/debug/deps/libtokio_curl-fa1cb0758bc90ed6.rlib" "/opt/crater/target/debug/deps/libtokio_core-b727ba5d860b9bba.rlib" "/opt/crater/target/debug/deps/libscoped_tls-c9887ebe3f2be564.rlib" "/opt/crater/target/debug/deps/libmio-6c324c4f6e237bb5.rlib" "/opt/crater/target/debug/deps/libslab-0b97904f6ae88c07.rlib" "/opt/crater/target/debug/deps/libnet2-6cbd0a1ae26a5692.rlib" "/opt/crater/target/debug/deps/libcfg_if-0a93ba4f6cd185dc.rlib" "/opt/crater/target/debug/deps/liblazycell-47ce005c465c8d3b.rlib" "/opt/crater/target/debug/deps/libtime-57cfe686239e1813.rlib" "/opt/crater/target/debug/deps/librustc_serialize-83a5d29f94384403.rlib" "/opt/crater/target/debug/deps/libgetopts-08a3bf7122878c50.rlib" "/opt/crater/target/debug/deps/libfutures-725f3e2c82cf6388.rlib" "/opt/crater/target/debug/deps/liblog-e51c4e3bd980dbe5.rlib" "/opt/crater/target/debug/deps/libcurl-12f0f61e17761265.rlib" "/opt/crater/target/debug/deps/libopenssl_probe-89876ddb426053f0.rlib" "/opt/crater/target/debug/deps/libcurl_sys-a21f09a3c7f1ff8e.rlib" "/opt/crater/target/debug/deps/libopenssl_sys-271964baa8c71926.rlib" "/opt/crater/target/debug/deps/liblibz_sys-678285a651addfeb.rlib" "/opt/crater/target/debug/deps/liblibc-59314c5c3d389755.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/7fea0229842e79db1159ea58ad9a653b288efee9-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-b9cdeeb7d71e069b.rlib" "/opt/crater/rustup-home/toolchains/7fea0229842e79db1159ea58ad9a653b288efee9-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-2c784314f5b61a49.rlib" "/opt/crater/rustup-home/toolchains/7fea0229842e79db1159ea58ad9a653b288efee9-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-3b6efc0e4ddb88fa.rlib" "/opt/crater/rustup-home/toolchains/7fea0229842e79db1159ea58ad9a653b288efee9-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-f958c03192217b33.rlib" "/opt/crater/rustup-home/toolchains/7fea0229842e79db1159ea58ad9a653b288efee9-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-6a937665f3cd6c5f.rlib" "/opt/crater/rustup-home/toolchains/7fea0229842e79db1159ea58ad9a653b288efee9-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-e29e11dee090b90f.rlib" "/opt/crater/rustup-home/toolchains/7fea0229842e79db1159ea58ad9a653b288efee9-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-83c4e27232163c87.rlib" "/opt/crater/rustup-home/toolchains/7fea0229842e79db1159ea58ad9a653b288efee9-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-39348c626a7cd664.rlib" "/opt/crater/rustup-home/toolchains/7fea0229842e79db1159ea58ad9a653b288efee9-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-a98540404781e6a7.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/7fea0229842e79db1159ea58ad9a653b288efee9-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-f0f63061644276a5.rlib" "-Wl,-Bdynamic" "-lssl" "-lcrypto" "-lz" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /opt/crater/target/debug/deps/libbacktrace-213eb958144bbae5.rlib(backtrace-213eb958144bbae5.backtrace.e4m7secc-cgu.12.rcgu.o): In function `_RNCNsNtNaCskJU8l9Zll1C_9backtrace9symbolize12libbacktrace10init_state0B7_':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.2.3/src/symbolize/libbacktrace.rs:150: undefined reference to `backtrace_create_state'
[INFO] [stderr]           /opt/crater/target/debug/deps/libbacktrace-213eb958144bbae5.rlib(backtrace-213eb958144bbae5.backtrace.e4m7secc-cgu.12.rcgu.o): In function `_RNyNtNaCskJU8l9Zll1C_9backtrace9symbolize12libbacktrace7resolve':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.2.3/src/symbolize/libbacktrace.rs:167: undefined reference to `backtrace_pcinfo'
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.2.3/src/symbolize/libbacktrace.rs:171: undefined reference to `backtrace_syminfo'
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `cancelbot`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "336f37c3e67eabfcda8026d60510d168c1f5a6c57bffa31673ccc1d36536266f"`
[INFO] running `"docker" "rm" "-f" "336f37c3e67eabfcda8026d60510d168c1f5a6c57bffa31673ccc1d36536266f"`
[INFO] [stdout] 336f37c3e67eabfcda8026d60510d168c1f5a6c57bffa31673ccc1d36536266f