[INFO] cloning repository https://github.com/os2edu/rustlings-U2FsdGVkX1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/os2edu/rustlings-U2FsdGVkX1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fos2edu%2Frustlings-U2FsdGVkX1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fos2edu%2Frustlings-U2FsdGVkX1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f848efde2292ca00fb38f1d6456b3f655dcb679
[INFO] checking os2edu/rustlings-U2FsdGVkX1 against master#9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9 for pr-124108
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fos2edu%2Frustlings-U2FsdGVkX1" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/os2edu/rustlings-U2FsdGVkX1 on toolchain 9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/os2edu/rustlings-U2FsdGVkX1
[INFO] finished tweaking git repo https://github.com/os2edu/rustlings-U2FsdGVkX1
[INFO] tweaked toml for git repo https://github.com/os2edu/rustlings-U2FsdGVkX1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/os2edu/rustlings-U2FsdGVkX1 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" "+9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0bedcbac82b1bade6216877abf1185248e270fd4f0d99c9cc66465cce9a4483f
[INFO] running `Command { std: "docker" "start" "-a" "0bedcbac82b1bade6216877abf1185248e270fd4f0d99c9cc66465cce9a4483f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bedcbac82b1bade6216877abf1185248e270fd4f0d99c9cc66465cce9a4483f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bedcbac82b1bade6216877abf1185248e270fd4f0d99c9cc66465cce9a4483f", kill_on_drop: false }`
[INFO] [stdout] 0bedcbac82b1bade6216877abf1185248e270fd4f0d99c9cc66465cce9a4483f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a367690b538bee3e4eeb920b11f3b5d954736d1d1cadf3480be5436e51d675c
[INFO] running `Command { std: "docker" "start" "-a" "7a367690b538bee3e4eeb920b11f3b5d954736d1d1cadf3480be5436e51d675c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.129
[INFO] [stderr]    Compiling serde v1.0.129
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/tmp/rustc4G3wpI"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] error: could not compile `serde_derive` (build script) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `memchr` (build script)
[INFO] [stderr] error: could not compile `proc-macro2` (build script)
[INFO] [stderr] error: could not compile `serde_json` (build script)
[INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetawrsiEm/lib.rmeta`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ryu` (build script)
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/itoa-2ea10fae7e02e975.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/itoa-2ea10fae7e02e975/dep-lib-itoa`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] error: could not compile `autocfg` (lib) due to 1 previous error
[INFO] [stderr] error: could not compile `libc` (build script)
[INFO] [stderr] error: could not compile `serde` (build script)
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] error: could not compile `syn` (build script)
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustcLNVSfw/symbols.o" "/opt/rustwide/target/debug/build/log-4d55b2eaf86eca95/build_script_build-4d55b2eaf86eca95.build_script_build.60f84951f6c048d8-cgu.0.rcgu.o" "/opt/rustwide/target/debug/build/log-4d55b2eaf86eca95/build_script_build-4d55b2eaf86eca95.z48137atxj3r450.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9579298f7adeed43.rlib" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-30ebcfe9aa7a4196.rlib" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-447055add1ba8c49.rlib" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-d5850394f5e88a83.rlib" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-2f44910628f7ca43.rlib" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-3dd11e65597a5ea4.rlib" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-d165f4a7abbb9616.rlib" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-3781141152ab7425.rlib" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-5040104958e026fe.rlib" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-5437a8743ef2c818.rlib" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-d68ee5585c16f3ee.rlib" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-366f17269992a057.rlib" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-cdbf121704652761.rlib" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-63a7ba8ec01639e9.rlib" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-8c4c4e24ed6290fa.rlib" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-58a6a8f1c6263bc9.rlib" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9686387289eaa322.rlib" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-632ae0f28c5e55ff.rlib" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-5b4c158c083efc1f.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/build/log-4d55b2eaf86eca95/build_script_build-4d55b2eaf86eca95" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: final link failed: No space left on device
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `log` (build script) due to 1 previous error
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetaKYwvIM"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slab` (lib) due to 1 previous error
[INFO] [stdout] error: error writing dependencies to `/opt/rustwide/target/debug/deps/regex_syntax-2f2adb2391b4d931.d`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustcm2xqcV/symbols.o" "/opt/rustwide/target/debug/build/parking_lot_core-dd7c4d4ad6be26d4/build_script_build-dd7c4d4ad6be26d4.build_script_build.a01afe664e4871eb-cgu.0.rcgu.o" "/opt/rustwide/target/debug/build/parking_lot_core-dd7c4d4ad6be26d4/build_script_build-dd7c4d4ad6be26d4.3didd4h2vp6p0tuq.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9579298f7adeed43.rlib" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-30ebcfe9aa7a4196.rlib" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-447055add1ba8c49.rlib" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-d5850394f5e88a83.rlib" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-2f44910628f7ca43.rlib" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-3dd11e65597a5ea4.rlib" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-d165f4a7abbb9616.rlib" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-3781141152ab7425.rlib" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-5040104958e026fe.rlib" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-5437a8743ef2c818.rlib" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-d68ee5585c16f3ee.rlib" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-366f17269992a057.rlib" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-cdbf121704652761.rlib" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-63a7ba8ec01639e9.rlib" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-8c4c4e24ed6290fa.rlib" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-58a6a8f1c6263bc9.rlib" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9686387289eaa322.rlib" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-632ae0f28c5e55ff.rlib" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-5b4c158c083efc1f.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/build/parking_lot_core-dd7c4d4ad6be26d4/build_script_build-dd7c4d4ad6be26d4" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: final link failed: No space left on device
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetarC7Utt"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `parking_lot_core` (build script) due to 1 previous error
[INFO] [stderr] error: could not compile `smallvec` (lib) due to 1 previous error
[INFO] [stderr] error: could not compile `regex-syntax` (lib) due to 1 previous error
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmeta8V76Td"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `unicode-segmentation` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "7a367690b538bee3e4eeb920b11f3b5d954736d1d1cadf3480be5436e51d675c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a367690b538bee3e4eeb920b11f3b5d954736d1d1cadf3480be5436e51d675c", kill_on_drop: false }`
[INFO] [stdout] 7a367690b538bee3e4eeb920b11f3b5d954736d1d1cadf3480be5436e51d675c
[INFO] checking os2edu/rustlings-U2FsdGVkX1 against try#2e5b7739e5167b731ad5eb628f04a54f932f1fe2 for pr-124108
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fos2edu%2Frustlings-U2FsdGVkX1" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/os2edu/rustlings-U2FsdGVkX1 on toolchain 2e5b7739e5167b731ad5eb628f04a54f932f1fe2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e5b7739e5167b731ad5eb628f04a54f932f1fe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/os2edu/rustlings-U2FsdGVkX1
[INFO] finished tweaking git repo https://github.com/os2edu/rustlings-U2FsdGVkX1
[INFO] tweaked toml for git repo https://github.com/os2edu/rustlings-U2FsdGVkX1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/os2edu/rustlings-U2FsdGVkX1 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" "+2e5b7739e5167b731ad5eb628f04a54f932f1fe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+2e5b7739e5167b731ad5eb628f04a54f932f1fe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/8d0c2c4e4c33436720fb6e86131022984a774a79bbefa66fba848149ef6ab83c/merged/opt/rustwide: no space left on device
[INFO] checking os2edu/rustlings-U2FsdGVkX1 against try#2e5b7739e5167b731ad5eb628f04a54f932f1fe2 for pr-124108
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fos2edu%2Frustlings-U2FsdGVkX1" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/os2edu/rustlings-U2FsdGVkX1 on toolchain 2e5b7739e5167b731ad5eb628f04a54f932f1fe2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e5b7739e5167b731ad5eb628f04a54f932f1fe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/os2edu/rustlings-U2FsdGVkX1
[INFO] finished tweaking git repo https://github.com/os2edu/rustlings-U2FsdGVkX1
[INFO] tweaked toml for git repo https://github.com/os2edu/rustlings-U2FsdGVkX1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/os2edu/rustlings-U2FsdGVkX1 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" "+2e5b7739e5167b731ad5eb628f04a54f932f1fe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+2e5b7739e5167b731ad5eb628f04a54f932f1fe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/1153a9812d9cc802456b6bf343228f588b986ce43cb1560219ac817426d9cbb2/merged/opt/rustwide: no space left on device
[INFO] checking os2edu/rustlings-U2FsdGVkX1 against try#2e5b7739e5167b731ad5eb628f04a54f932f1fe2 for pr-124108
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fos2edu%2Frustlings-U2FsdGVkX1" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/os2edu/rustlings-U2FsdGVkX1 on toolchain 2e5b7739e5167b731ad5eb628f04a54f932f1fe2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e5b7739e5167b731ad5eb628f04a54f932f1fe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/os2edu/rustlings-U2FsdGVkX1
[INFO] finished tweaking git repo https://github.com/os2edu/rustlings-U2FsdGVkX1
[INFO] tweaked toml for git repo https://github.com/os2edu/rustlings-U2FsdGVkX1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/os2edu/rustlings-U2FsdGVkX1 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" "+2e5b7739e5167b731ad5eb628f04a54f932f1fe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+2e5b7739e5167b731ad5eb628f04a54f932f1fe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: chown /var/lib/docker/overlay2/e6847f54f34b612e969cb9425bf37e638e2ec5976d94794d7d33935abd58178a/work/work: no such file or directory
[INFO] checking os2edu/rustlings-U2FsdGVkX1 against try#2e5b7739e5167b731ad5eb628f04a54f932f1fe2 for pr-124108
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fos2edu%2Frustlings-U2FsdGVkX1" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/os2edu/rustlings-U2FsdGVkX1 on toolchain 2e5b7739e5167b731ad5eb628f04a54f932f1fe2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e5b7739e5167b731ad5eb628f04a54f932f1fe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/os2edu/rustlings-U2FsdGVkX1
[INFO] finished tweaking git repo https://github.com/os2edu/rustlings-U2FsdGVkX1
[INFO] tweaked toml for git repo https://github.com/os2edu/rustlings-U2FsdGVkX1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/os2edu/rustlings-U2FsdGVkX1 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" "+2e5b7739e5167b731ad5eb628f04a54f932f1fe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+2e5b7739e5167b731ad5eb628f04a54f932f1fe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/9133c0c881d4f7bab3b3aaa72b3c7337476e957326a6e2046c954e0bd4aca07b/merged: no space left on device
[INFO] checking os2edu/rustlings-U2FsdGVkX1 against try#2e5b7739e5167b731ad5eb628f04a54f932f1fe2 for pr-124108
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fos2edu%2Frustlings-U2FsdGVkX1" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/os2edu/rustlings-U2FsdGVkX1 on toolchain 2e5b7739e5167b731ad5eb628f04a54f932f1fe2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e5b7739e5167b731ad5eb628f04a54f932f1fe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/os2edu/rustlings-U2FsdGVkX1
[INFO] finished tweaking git repo https://github.com/os2edu/rustlings-U2FsdGVkX1
[INFO] tweaked toml for git repo https://github.com/os2edu/rustlings-U2FsdGVkX1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/os2edu/rustlings-U2FsdGVkX1 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" "+2e5b7739e5167b731ad5eb628f04a54f932f1fe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+2e5b7739e5167b731ad5eb628f04a54f932f1fe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/containers/c4dfac57a3f548f6e0e6337036e958abb835bd1ca2f321ca046e9ad950bd2230/checkpoints: no space left on device
[ERROR] this task or one of its parent failed!
[ERROR] command failed: exit status: 1
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.