[INFO] cloning repository https://github.com/thelonehegelian/compile_link_c_plus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thelonehegelian/compile_link_c_plus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthelonehegelian%2Fcompile_link_c_plus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthelonehegelian%2Fcompile_link_c_plus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 92a85598dcb10d9f5f13d50d3d8b4daefe7fb8fb
[INFO] checking thelonehegelian/compile_link_c_plus against master#49b3924bd4a34d3cf9c37b74120fba78d9712ab8 for pr-118247
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthelonehegelian%2Fcompile_link_c_plus" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thelonehegelian/compile_link_c_plus on toolchain 49b3924bd4a34d3cf9c37b74120fba78d9712ab8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+49b3924bd4a34d3cf9c37b74120fba78d9712ab8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thelonehegelian/compile_link_c_plus
[INFO] finished tweaking git repo https://github.com/thelonehegelian/compile_link_c_plus
[INFO] tweaked toml for git repo https://github.com/thelonehegelian/compile_link_c_plus written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/thelonehegelian/compile_link_c_plus already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+49b3924bd4a34d3cf9c37b74120fba78d9712ab8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking thelonehegelian/compile_link_c_plus against try#ab2dc84cfc2c30bb279a7cd2bfef172c30260142 for pr-118247
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthelonehegelian%2Fcompile_link_c_plus" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thelonehegelian/compile_link_c_plus on toolchain ab2dc84cfc2c30bb279a7cd2bfef172c30260142
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab2dc84cfc2c30bb279a7cd2bfef172c30260142" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thelonehegelian/compile_link_c_plus
[INFO] finished tweaking git repo https://github.com/thelonehegelian/compile_link_c_plus
[INFO] tweaked toml for git repo https://github.com/thelonehegelian/compile_link_c_plus written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/thelonehegelian/compile_link_c_plus already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab2dc84cfc2c30bb279a7cd2bfef172c30260142" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking thelonehegelian/compile_link_c_plus against try#ab2dc84cfc2c30bb279a7cd2bfef172c30260142 for pr-118247
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthelonehegelian%2Fcompile_link_c_plus" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thelonehegelian/compile_link_c_plus on toolchain ab2dc84cfc2c30bb279a7cd2bfef172c30260142
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab2dc84cfc2c30bb279a7cd2bfef172c30260142" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thelonehegelian/compile_link_c_plus
[INFO] finished tweaking git repo https://github.com/thelonehegelian/compile_link_c_plus
[INFO] tweaked toml for git repo https://github.com/thelonehegelian/compile_link_c_plus written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/thelonehegelian/compile_link_c_plus already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab2dc84cfc2c30bb279a7cd2bfef172c30260142" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking thelonehegelian/compile_link_c_plus against try#ab2dc84cfc2c30bb279a7cd2bfef172c30260142 for pr-118247
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthelonehegelian%2Fcompile_link_c_plus" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thelonehegelian/compile_link_c_plus on toolchain ab2dc84cfc2c30bb279a7cd2bfef172c30260142
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab2dc84cfc2c30bb279a7cd2bfef172c30260142" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thelonehegelian/compile_link_c_plus
[INFO] finished tweaking git repo https://github.com/thelonehegelian/compile_link_c_plus
[INFO] tweaked toml for git repo https://github.com/thelonehegelian/compile_link_c_plus written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/thelonehegelian/compile_link_c_plus already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab2dc84cfc2c30bb279a7cd2bfef172c30260142" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ab2dc84cfc2c30bb279a7cd2bfef172c30260142" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18f4a1df7180955faf1a5c7c99e90c0131dd2b81edb24dfc46404c127d70a225
[INFO] running `Command { std: "docker" "start" "-a" "18f4a1df7180955faf1a5c7c99e90c0131dd2b81edb24dfc46404c127d70a225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18f4a1df7180955faf1a5c7c99e90c0131dd2b81edb24dfc46404c127d70a225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18f4a1df7180955faf1a5c7c99e90c0131dd2b81edb24dfc46404c127d70a225", kill_on_drop: false }`
[INFO] [stdout] 18f4a1df7180955faf1a5c7c99e90c0131dd2b81edb24dfc46404c127d70a225
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ab2dc84cfc2c30bb279a7cd2bfef172c30260142" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 122859e417a5c3ee4e2dc649a8612b2ce7fb8200f189a4251d1e8349689958a2
[INFO] running `Command { std: "docker" "start" "-a" "122859e417a5c3ee4e2dc649a8612b2ce7fb8200f189a4251d1e8349689958a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling compile_link_c_plus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: compile_link_c_plus@0.1.0: src/math.cpp: In function 'int multiply(int, int)':
[INFO] [stderr] warning: compile_link_c_plus@0.1.0: src/math.cpp:2:31: warning: no return statement in function returning non-void [-Wreturn-type]
[INFO] [stderr] warning: compile_link_c_plus@0.1.0:     2 |   int multiply(int a, int b) {}
[INFO] [stderr] warning: compile_link_c_plus@0.1.0:       |                               ^
[INFO] [stderr] warning: compile_link_c_plus@0.1.0: src/math.cpp:2:20: warning: unused parameter 'a' [-Wunused-parameter]
[INFO] [stderr] warning: compile_link_c_plus@0.1.0:     2 |   int multiply(int a, int b) {}
[INFO] [stderr] warning: compile_link_c_plus@0.1.0:       |                ~~~~^
[INFO] [stderr] warning: compile_link_c_plus@0.1.0: src/math.cpp:2:27: warning: unused parameter 'b' [-Wunused-parameter]
[INFO] [stderr] warning: compile_link_c_plus@0.1.0:     2 |   int multiply(int a, int b) {}
[INFO] [stderr] warning: compile_link_c_plus@0.1.0:       |                       ~~~~^
[INFO] [stderr] warning: compile_link_c_plus@0.1.0: src/math.cpp: At global scope:
[INFO] [stderr] warning: compile_link_c_plus@0.1.0: src/math.cpp:5:5: error: redefinition of 'int multiply(int, int)'
[INFO] [stderr] warning: compile_link_c_plus@0.1.0:     5 | int multiply(int a, int b) {
[INFO] [stderr] warning: compile_link_c_plus@0.1.0:       |     ^~~~~~~~
[INFO] [stderr] warning: compile_link_c_plus@0.1.0: src/math.cpp:2:7: note: 'int multiply(int, int)' previously defined here
[INFO] [stderr] warning: compile_link_c_plus@0.1.0:     2 |   int multiply(int a, int b) {}
[INFO] [stderr] warning: compile_link_c_plus@0.1.0:       |       ^~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] error: failed to run custom build command for `compile_link_c_plus v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/compile_link_c_plus-224cbe9c1db710f6/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   OPT_LEVEL = Some("0")
[INFO] [stderr]   HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   cargo:rerun-if-env-changed=CXX_x86_64-unknown-linux-gnu
[INFO] [stderr]   CXX_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CXX_x86_64_unknown_linux_gnu
[INFO] [stderr]   CXX_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_CXX
[INFO] [stderr]   HOST_CXX = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CXX
[INFO] [stderr]   CXX = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CXXFLAGS_x86_64-unknown-linux-gnu
[INFO] [stderr]   CXXFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CXXFLAGS_x86_64_unknown_linux_gnu
[INFO] [stderr]   CXXFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_CXXFLAGS
[INFO] [stderr]   HOST_CXXFLAGS = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CXXFLAGS
[INFO] [stderr]   CXXFLAGS = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CRATE_CC_NO_DEFAULTS
[INFO] [stderr]   CRATE_CC_NO_DEFAULTS = None
[INFO] [stderr]   DEBUG = Some("true")
[INFO] [stderr]   CARGO_CFG_TARGET_FEATURE = Some("fxsr,sse,sse2")
[INFO] [stderr]   running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-gdwarf-4" "-fno-omit-frame-pointer" "-m64" "-Wall" "-Wextra" "-o" "/opt/rustwide/target/debug/build/compile_link_c_plus-bc0f91dac12617a8/out/src/math.o" "-c" "src/math.cpp"
[INFO] [stderr]   cargo:warning=src/math.cpp: In function 'int multiply(int, int)':
[INFO] [stderr]   cargo:warning=src/math.cpp:2:31: warning: no return statement in function returning non-void [-Wreturn-type]
[INFO] [stderr]   cargo:warning=    2 |   int multiply(int a, int b) {}
[INFO] [stderr]   cargo:warning=      |                               ^
[INFO] [stderr]   cargo:warning=src/math.cpp:2:20: warning: unused parameter 'a' [-Wunused-parameter]
[INFO] [stderr]   cargo:warning=    2 |   int multiply(int a, int b) {}
[INFO] [stderr]   cargo:warning=      |                ~~~~^
[INFO] [stderr]   cargo:warning=src/math.cpp:2:27: warning: unused parameter 'b' [-Wunused-parameter]
[INFO] [stderr]   cargo:warning=    2 |   int multiply(int a, int b) {}
[INFO] [stderr]   cargo:warning=      |                       ~~~~^
[INFO] [stderr]   cargo:warning=src/math.cpp: At global scope:
[INFO] [stderr]   cargo:warning=src/math.cpp:5:5: error: redefinition of 'int multiply(int, int)'
[INFO] [stderr]   cargo:warning=    5 | int multiply(int a, int b) {
[INFO] [stderr]   cargo:warning=      |     ^~~~~~~~
[INFO] [stderr]   cargo:warning=src/math.cpp:2:7: note: 'int multiply(int, int)' previously defined here
[INFO] [stderr]   cargo:warning=    2 |   int multiply(int a, int b) {}
[INFO] [stderr]   cargo:warning=      |       ^~~~~~~~
[INFO] [stderr]   exit status: 1
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   error occurred: Command "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-gdwarf-4" "-fno-omit-frame-pointer" "-m64" "-Wall" "-Wextra" "-o" "/opt/rustwide/target/debug/build/compile_link_c_plus-bc0f91dac12617a8/out/src/math.o" "-c" "src/math.cpp" with args "c++" did not execute successfully (status code exit status: 1).
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "122859e417a5c3ee4e2dc649a8612b2ce7fb8200f189a4251d1e8349689958a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "122859e417a5c3ee4e2dc649a8612b2ce7fb8200f189a4251d1e8349689958a2", kill_on_drop: false }`
[INFO] [stdout] 122859e417a5c3ee4e2dc649a8612b2ce7fb8200f189a4251d1e8349689958a2