[INFO] cloning repository https://github.com/huzailessani/RustEx
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/huzailessani/RustEx" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuzailessani%2FRustEx", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuzailessani%2FRustEx'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa4a8f32e14620239d799a694bca5d3a175cb2bb
[INFO] testing huzailessani/RustEx against try#5a3d3b91048a0adf280e7a4e589c1dda6443f172 for pr-115235
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuzailessani%2FRustEx" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/huzailessani/RustEx on toolchain 5a3d3b91048a0adf280e7a4e589c1dda6443f172
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5a3d3b91048a0adf280e7a4e589c1dda6443f172" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/huzailessani/RustEx
[INFO] finished tweaking git repo https://github.com/huzailessani/RustEx
[INFO] tweaked toml for git repo https://github.com/huzailessani/RustEx written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/huzailessani/RustEx 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" "+5a3d3b91048a0adf280e7a4e589c1dda6443f172" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+5a3d3b91048a0adf280e7a4e589c1dda6443f172" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24c34c88c2a1f67d5d70b084d00fb2ce569a620a318bf1e770b5ceac84857474
[INFO] running `Command { std: "docker" "start" "-a" "24c34c88c2a1f67d5d70b084d00fb2ce569a620a318bf1e770b5ceac84857474", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24c34c88c2a1f67d5d70b084d00fb2ce569a620a318bf1e770b5ceac84857474", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24c34c88c2a1f67d5d70b084d00fb2ce569a620a318bf1e770b5ceac84857474", kill_on_drop: false }`
[INFO] [stdout] 24c34c88c2a1f67d5d70b084d00fb2ce569a620a318bf1e770b5ceac84857474
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+5a3d3b91048a0adf280e7a4e589c1dda6443f172" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47b9dd095029912db3a19ac545782af3f6e29fc99fda81b804c951b23a30032b
[INFO] running `Command { std: "docker" "start" "-a" "47b9dd095029912db3a19ac545782af3f6e29fc99fda81b804c951b23a30032b", kill_on_drop: false }`
[INFO] [stderr]    Compiling round v0.1.2
[INFO] [stderr]    Compiling rustexercises v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let mut nths = vec![1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     for i in 1..nths {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let mut next = prev + curr;
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "47b9dd095029912db3a19ac545782af3f6e29fc99fda81b804c951b23a30032b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47b9dd095029912db3a19ac545782af3f6e29fc99fda81b804c951b23a30032b", kill_on_drop: false }`
[INFO] [stdout] 47b9dd095029912db3a19ac545782af3f6e29fc99fda81b804c951b23a30032b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+5a3d3b91048a0adf280e7a4e589c1dda6443f172" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efb965e0e78f9f79d09ff51fabe108b5a48ce7f8abd9b0aeade288971ef5be5c
[INFO] running `Command { std: "docker" "start" "-a" "efb965e0e78f9f79d09ff51fabe108b5a48ce7f8abd9b0aeade288971ef5be5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustexercises v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let mut nths = vec![1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     for i in 1..nths {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let mut next = prev + curr;
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[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/5a3d3b91048a0adf280e7a4e589c1dda6443f172/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/rustcBwrKyE/symbols.o" "/opt/rustwide/target/debug/deps/rustexercises-4f0a15481d2d17e5.rustexercises.4929d7da644cd47c-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rustexercises-4f0a15481d2d17e5.2gk09hmzpc3z8qtn.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/5a3d3b91048a0adf280e7a4e589c1dda6443f172/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/5a3d3b91048a0adf280e7a4e589c1dda6443f172/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-c640aced36103e5d.rlib" "/opt/rustwide/rustup-home/toolchains/5a3d3b91048a0adf280e7a4e589c1dda6443f172/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-b483899aef6af2ab.rlib" "/opt/rustwide/rustup-home/toolchains/5a3d3b91048a0adf280e7a4e589c1dda6443f172/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-1c0051f71ef74acd.rlib" "/opt/rustwide/rustup-home/toolchains/5a3d3b91048a0adf280e7a4e589c1dda6443f172/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-00056c68df33eee8.rlib" "/opt/rustwide/rustup-home/toolchains/5a3d3b91048a0adf280e7a4e589c1dda6443f172/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-19964a87984cce8a.rlib" "/opt/rustwide/rustup-home/toolchains/5a3d3b91048a0adf280e7a4e589c1dda6443f172/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-0ad64a60ea2c4aaa.rlib" "/opt/rustwide/rustup-home/toolchains/5a3d3b91048a0adf280e7a4e589c1dda6443f172/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-37a5cbc9c5c20c04.rlib" "/opt/rustwide/rustup-home/toolchains/5a3d3b91048a0adf280e7a4e589c1dda6443f172/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-e8cedd2960ff146a.rlib" "/opt/rustwide/rustup-home/toolchains/5a3d3b91048a0adf280e7a4e589c1dda6443f172/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-5deb081ad96d9130.rlib" "/opt/rustwide/rustup-home/toolchains/5a3d3b91048a0adf280e7a4e589c1dda6443f172/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-22c964fd8f2dfaf9.rlib" "/opt/rustwide/rustup-home/toolchains/5a3d3b91048a0adf280e7a4e589c1dda6443f172/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-6971442fd1c2cfbb.rlib" "/opt/rustwide/rustup-home/toolchains/5a3d3b91048a0adf280e7a4e589c1dda6443f172/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-ec7906ee77b1d540.rlib" "/opt/rustwide/rustup-home/toolchains/5a3d3b91048a0adf280e7a4e589c1dda6443f172/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-4307a3ebc7f0bfcf.rlib" "/opt/rustwide/rustup-home/toolchains/5a3d3b91048a0adf280e7a4e589c1dda6443f172/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-c2ab156d57b93da1.rlib" "/opt/rustwide/rustup-home/toolchains/5a3d3b91048a0adf280e7a4e589c1dda6443f172/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-763bbb8717f828b7.rlib" "/opt/rustwide/rustup-home/toolchains/5a3d3b91048a0adf280e7a4e589c1dda6443f172/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-eb9ba65f17380c5d.rlib" "/opt/rustwide/rustup-home/toolchains/5a3d3b91048a0adf280e7a4e589c1dda6443f172/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-4286d0bf3addfc05.rlib" "/opt/rustwide/rustup-home/toolchains/5a3d3b91048a0adf280e7a4e589c1dda6443f172/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-fa17a4d002f91ad9.rlib" "/opt/rustwide/rustup-home/toolchains/5a3d3b91048a0adf280e7a4e589c1dda6443f172/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-ff4ae84067796be3.rlib" "/opt/rustwide/rustup-home/toolchains/5a3d3b91048a0adf280e7a4e589c1dda6443f172/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-6f47c72c85a10103.rlib" "/opt/rustwide/rustup-home/toolchains/5a3d3b91048a0adf280e7a4e589c1dda6443f172/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-cd2f2bc505f56f50.rlib" "/opt/rustwide/rustup-home/toolchains/5a3d3b91048a0adf280e7a4e589c1dda6443f172/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-ec02dd343723da85.rlib" "/opt/rustwide/rustup-home/toolchains/5a3d3b91048a0adf280e7a4e589c1dda6443f172/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-4df0073ab5846ddb.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/5a3d3b91048a0adf280e7a4e589c1dda6443f172/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/rustexercises-4f0a15481d2d17e5" "-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: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustexercises` (bin "rustexercises" test) due to 2 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "efb965e0e78f9f79d09ff51fabe108b5a48ce7f8abd9b0aeade288971ef5be5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efb965e0e78f9f79d09ff51fabe108b5a48ce7f8abd9b0aeade288971ef5be5c", kill_on_drop: false }`
[INFO] [stdout] efb965e0e78f9f79d09ff51fabe108b5a48ce7f8abd9b0aeade288971ef5be5c