[INFO] cloning repository https://github.com/cicvedu/rust-rustlings-ruanhanqin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cicvedu/rust-rustlings-ruanhanqin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frust-rustlings-ruanhanqin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frust-rustlings-ruanhanqin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee2dea12ac78abdeee1d4ebb2fb3cc65eb47a940
[INFO] testing cicvedu/rust-rustlings-ruanhanqin against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frust-rustlings-ruanhanqin" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cicvedu/rust-rustlings-ruanhanqin
[INFO] finished tweaking git repo https://github.com/cicvedu/rust-rustlings-ruanhanqin
[INFO] tweaked toml for git repo https://github.com/cicvedu/rust-rustlings-ruanhanqin written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cicvedu/rust-rustlings-ruanhanqin on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cicvedu/rust-rustlings-ruanhanqin 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2495e3ea1ccd980aeba5217d2f3f809b5d939a154478c9e3155fdab2bf28af6
[INFO] running `Command { std: "docker" "start" "-a" "d2495e3ea1ccd980aeba5217d2f3f809b5d939a154478c9e3155fdab2bf28af6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2495e3ea1ccd980aeba5217d2f3f809b5d939a154478c9e3155fdab2bf28af6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2495e3ea1ccd980aeba5217d2f3f809b5d939a154478c9e3155fdab2bf28af6", kill_on_drop: false }`
[INFO] [stdout] d2495e3ea1ccd980aeba5217d2f3f809b5d939a154478c9e3155fdab2bf28af6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2471c93d52f3ef6e7c98e49d1237281366ed139932009ba69202182632eb0679
[INFO] running `Command { std: "docker" "start" "-a" "2471c93d52f3ef6e7c98e49d1237281366ed139932009ba69202182632eb0679", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustlings v5.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/exercise.rs:113:20
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn compile(&self) -> Result<CompiledExercise, ExerciseOutput> {
[INFO] [stdout]     |                    ^^^^^            ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn compile(&self) -> Result<CompiledExercise<'_>, ExerciseOutput> {
[INFO] [stdout]     |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: signal: 6 (SIGABRT) (core dumped)
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/opt/rustwide/target/debug/deps/rustciQ6v2U/symbols.o" "<17 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libtoml-67434ba4caf32b8d,libserde_json-10cc5ce5a2ec043d,libryu-c25e52997f762f0d,libitoa-bbc242686f4b79ef,libtokio-fb1fe153136ffeca,libsignal_hook_registry-09bb21aa858565c5,libnum_cpus-6584e2a55d533ae6,libsocket2-46873f96dd0a5b69,libbytes-da69f7ea67e30370,libmio-5e75ab7f8a83c042,libpin_project_lite-3342e6a731e4bb08,libparking_lot-448cc9d7f6dbadf6,libparking_lot_core-f6dc7d8139155f99,libsmallvec-0ec199f3073558ce,liblock_api-a566333307aeaba7,libscopeguard-88d64e99d3001c2a,libindicatif-49dedd0e31ec2e88,libnumber_prefix-358346c59dae25d8,libglob-5e6cd2236ddd2987,libregex-c9439af952ef3b70,libregex_automata-5ece54fd8b373d50,libaho_corasick-db4c048a8392550e,libmemchr-6d52070c5077e5ac,libregex_syntax-fe0bd99d4997f076,libserde-9a325c62300250c3,libnotify-135051ce5cebf6cd,libwalkdir-75fc2d232071b60d,libsame_file-e946870f1310cc9c,libinotify-7a64563698696caf,libinotify_sys-d687f31f13f5472d,libmio_extras-084fc226477097d1,liblazycell-f1884f9350d7acf6,libmio-c1d79158ce0ec634,liblog-86925d4357091623,libslab-fd802996a945ae7f,libiovec-128f14d20140fe65,libnet2-8e7f080337fce7c7,libcfg_if-7fa53b5120d7d4f5,libfiletime-6d8768f6edd39e73,libcfg_if-8c8419bc1cff3c76,libbitflags-40a27ceec947d12f,libconsole-790dac48c84552ac,liblibc-586763f4fa01b8af,libunicode_width-f9b7060682253ce6,liblazy_static-40183573d33ff167,libargh-1e01fec301e7aa4d,libargh_shared-8092a3371efa221b}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,libcfg_if-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/opt/rustwide/target/debug/deps/rustciQ6v2U/raw-dylibs" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/rustlings-98e3c34dc66fb1d0" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: Cannot create temporary file in /tmp/: No space left on device
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustlings` (bin "rustlings") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "2471c93d52f3ef6e7c98e49d1237281366ed139932009ba69202182632eb0679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2471c93d52f3ef6e7c98e49d1237281366ed139932009ba69202182632eb0679", kill_on_drop: false }`
[INFO] [stdout] 2471c93d52f3ef6e7c98e49d1237281366ed139932009ba69202182632eb0679
