[INFO] cloning repository https://github.com/jvns/ltrace-bcc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jvns/ltrace-bcc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjvns%2Fltrace-bcc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjvns%2Fltrace-bcc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f35407cc72485c336397af8dbf5c759befcf6d5b
[INFO] testing jvns/ltrace-bcc against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjvns%2Fltrace-bcc" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jvns/ltrace-bcc on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jvns/ltrace-bcc
[INFO] finished tweaking git repo https://github.com/jvns/ltrace-bcc
[INFO] tweaked toml for git repo https://github.com/jvns/ltrace-bcc written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/jvns/ltrace-bcc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90619d8107f873e0844b10b111ac78358457a233ba84830e7770165b51151c41
[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" "90619d8107f873e0844b10b111ac78358457a233ba84830e7770165b51151c41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90619d8107f873e0844b10b111ac78358457a233ba84830e7770165b51151c41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90619d8107f873e0844b10b111ac78358457a233ba84830e7770165b51151c41", kill_on_drop: false }`
[INFO] [stdout] 90619d8107f873e0844b10b111ac78358457a233ba84830e7770165b51151c41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76e3efce8ae98940b1128197f7e87b8079a97cd67852da511a340c019b64b2f7
[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" "76e3efce8ae98940b1128197f7e87b8079a97cd67852da511a340c019b64b2f7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling bindgen v0.31.3
[INFO] [stderr]    Compiling ansi_term v0.10.2
[INFO] [stderr]    Compiling cc v1.0.4
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling rustc-demangle v0.1.6
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling byteorder v1.2.1
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling scroll_derive v0.8.0
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling clang-sys v0.21.2
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling clap v2.30.0
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling scroll v0.8.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling regex v0.2.6
[INFO] [stderr]    Compiling goblin v0.0.14
[INFO] [stderr]    Compiling cexpr v0.2.3
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling bcc-sys v0.4.0
[INFO] [stderr]    Compiling bcc v0.0.3
[INFO] [stderr]    Compiling ltrace-bcc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:169:32
[INFO] [stdout]     |
[INFO] [stdout] 169 | fn perf_data_callback() -> Box<FnMut(&[u8]) + Send> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&[u8]) + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-Wl,--as-needed" "-L" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/ltrace_bcc-ef12874af042168a.ltrace_bcc.9u7o4miy-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/ltrace_bcc-ef12874af042168a.ltrace_bcc.9u7o4miy-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/ltrace_bcc-ef12874af042168a.ltrace_bcc.9u7o4miy-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/ltrace_bcc-ef12874af042168a.ltrace_bcc.9u7o4miy-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/ltrace_bcc-ef12874af042168a.ltrace_bcc.9u7o4miy-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/ltrace_bcc-ef12874af042168a.ltrace_bcc.9u7o4miy-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/ltrace_bcc-ef12874af042168a.ltrace_bcc.9u7o4miy-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/ltrace_bcc-ef12874af042168a.ltrace_bcc.9u7o4miy-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/ltrace_bcc-ef12874af042168a.ltrace_bcc.9u7o4miy-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/ltrace_bcc-ef12874af042168a.ltrace_bcc.9u7o4miy-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/ltrace_bcc-ef12874af042168a.ltrace_bcc.9u7o4miy-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/ltrace_bcc-ef12874af042168a.ltrace_bcc.9u7o4miy-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/ltrace_bcc-ef12874af042168a.ltrace_bcc.9u7o4miy-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/ltrace_bcc-ef12874af042168a.ltrace_bcc.9u7o4miy-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/ltrace_bcc-ef12874af042168a.ltrace_bcc.9u7o4miy-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/ltrace_bcc-ef12874af042168a.ltrace_bcc.9u7o4miy-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/ltrace_bcc-ef12874af042168a" "/opt/rustwide/target/debug/deps/ltrace_bcc-ef12874af042168a.4jz1st8ifmulpy0f.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/backtrace-sys-637336be3ade4130/out/.libs" "-L" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libgoblin-3138dd04dc8b27a0.rlib" "/opt/rustwide/target/debug/deps/liblog-18dc1a72ee6e2c45.rlib" "/opt/rustwide/target/debug/deps/liblog-74a07593ab29c107.rlib" "/opt/rustwide/target/debug/deps/libscroll-7157a2576d2220bf.rlib" "/opt/rustwide/target/debug/deps/libplain-e417f851fdac9f43.rlib" "/opt/rustwide/target/debug/deps/libbcc-2dc3a567009b7871.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-b2b2c0f721e6dbfa.rlib" "/opt/rustwide/target/debug/deps/libbcc_sys-6f4f0c53fa80b225.rlib" "/opt/rustwide/target/debug/deps/libfailure-73121e822155be57.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-38e02404519fe0bd.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-ff01f1ba8e941ae7.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-8e24389e49be0a41.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-279fec5414362cdd.rlib" "/opt/rustwide/target/debug/deps/liblibc-79167d57efd4c1e0.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-21256c14e4504640.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-986e7fea4474d4d2.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-91d85f45babdb06e.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-756509c31813f9a6.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-5c2ef587e740c0cc.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-ad8f9371d31db1b3.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-402820fb3b4d3dd8.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-5e8e903f07dc8747.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7ab9ae5080c07187.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-c8e8d47c6bf14de2.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-5a02dbb58abd015a.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-cedc8fec61444895.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-a1c96351c52bc56a.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-e41c6d24baeb2249.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-62493b241881590c.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-a1fd7734706d5518.rlib" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-c8ded1707ad10767.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-1eec8756baa5bc24.rlib" "-Wl,-Bdynamic" "-lbcc" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lbcc
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ltrace-bcc`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "76e3efce8ae98940b1128197f7e87b8079a97cd67852da511a340c019b64b2f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76e3efce8ae98940b1128197f7e87b8079a97cd67852da511a340c019b64b2f7", kill_on_drop: false }`
[INFO] [stdout] 76e3efce8ae98940b1128197f7e87b8079a97cd67852da511a340c019b64b2f7