[INFO] cloning repository https://github.com/erro-rr/rust_learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/erro-rr/rust_learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferro-rr%2Frust_learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferro-rr%2Frust_learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 22238401c3572c07aab5065c42a55551258a3ac3
[INFO] testing erro-rr/rust_learning against beta-2025-04-13 for beta-1.87-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferro-rr%2Frust_learning" "/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/erro-rr/rust_learning on toolchain beta-2025-04-13
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/erro-rr/rust_learning
[INFO] finished tweaking git repo https://github.com/erro-rr/rust_learning
[INFO] tweaked toml for git repo https://github.com/erro-rr/rust_learning written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/erro-rr/rust_learning 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" "+beta-2025-04-13" "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-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4139daf8ed7242c803d30b6fc1c52d01802a4e293d1c15807a139c9efde9c90a
[INFO] running `Command { std: "docker" "start" "-a" "4139daf8ed7242c803d30b6fc1c52d01802a4e293d1c15807a139c9efde9c90a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4139daf8ed7242c803d30b6fc1c52d01802a4e293d1c15807a139c9efde9c90a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4139daf8ed7242c803d30b6fc1c52d01802a4e293d1c15807a139c9efde9c90a", kill_on_drop: false }`
[INFO] [stdout] 4139daf8ed7242c803d30b6fc1c52d01802a4e293d1c15807a139c9efde9c90a
[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_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de4c8cba4c99945b71c3b9e34b2cd2aed933190aac8849008a0b975f7b33a4e4
[INFO] running `Command { std: "docker" "start" "-a" "de4c8cba4c99945b71c3b9e34b2cd2aed933190aac8849008a0b975f7b33a4e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling exercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/bin/takingInputthenMultiply.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut X:i32 = input.trim().parse().expect("Invalid value of X");
[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: variable does not need to be mutable
[INFO] [stdout]  --> src/bin/takingInputthenMultiply.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut Y:i32 = input.trim().parse().expect("Invalid Value of Y");
[INFO] [stdout]   |         ----^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]  --> src/bin/takingInputthenMultiply.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut X:i32 = input.trim().parse().expect("Invalid value of X");
[INFO] [stdout]   |             ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]  --> src/bin/takingInputthenMultiply.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut Y:i32 = input.trim().parse().expect("Invalid Value of Y");
[INFO] [stdout]   |             ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/take_Input.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut num :i32= input.trim().parse().expect("Invalid Input");
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "de4c8cba4c99945b71c3b9e34b2cd2aed933190aac8849008a0b975f7b33a4e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de4c8cba4c99945b71c3b9e34b2cd2aed933190aac8849008a0b975f7b33a4e4", kill_on_drop: false }`
[INFO] [stdout] de4c8cba4c99945b71c3b9e34b2cd2aed933190aac8849008a0b975f7b33a4e4
[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_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 259013a2902ae295eb20c8b80e6eaa0131d72ca8d714a49f019e3639b5245d0d
[INFO] running `Command { std: "docker" "start" "-a" "259013a2902ae295eb20c8b80e6eaa0131d72ca8d714a49f019e3639b5245d0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling exercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to write `/opt/rustwide/target/debug/.fingerprint/exercise-7d8594c53d1a0c95/invoked.timestamp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: failed to write `/opt/rustwide/target/debug/.fingerprint/exercise-93348e540977e676/invoked.timestamp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/take_Input.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut num :i32= input.trim().parse().expect("Invalid Input");
[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] [stderr] rustc-LLVM ERROR: rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] IO failure on output stream: No space left on device
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/bin/takingInputthenMultiply.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut X:i32 = input.trim().parse().expect("Invalid value of X");
[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: variable does not need to be mutable
[INFO] [stdout]  --> src/bin/takingInputthenMultiply.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut Y:i32 = input.trim().parse().expect("Invalid Value of Y");
[INFO] [stdout]   |         ----^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]  --> src/bin/takingInputthenMultiply.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut X:i32 = input.trim().parse().expect("Invalid value of X");
[INFO] [stdout]   |             ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]  --> src/bin/takingInputthenMultiply.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut Y:i32 = input.trim().parse().expect("Invalid Value of Y");
[INFO] [stdout]   |             ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exercise` (bin "take_Input" test); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2025-04-13-x86_64-unknown-linux-gnu/bin/rustc --crate-name take_Input --edition=2021 src/bin/take_Input.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=bd8b8169f0cb0dcf -C extra-filename=-5699f7ed123cba03 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (exit status: 101)
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/tmp/rustc88qpbI"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exercise` (bin "takingInputthenMultiply" test) due to 1 previous error; 4 warnings emitted
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustcuHiUhW/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-*,libgetopts-*,libunicode_width-*,librustc_std_workspace_std-*,libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,libcfg_if-*,liblibc-*,liballoc-*,librustc_std_workspace_core-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustcuHiUhW/raw-dylibs" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/function3-299117c4f851e163" "-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: /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: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustciOH5C9/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-*,libgetopts-*,libunicode_width-*,librustc_std_workspace_std-*,libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,libcfg_if-*,liblibc-*,liballoc-*,librustc_std_workspace_core-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustciOH5C9/raw-dylibs" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/check-52e4609e292417fe" "-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: /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 `exercise` (bin "function3" test) due to 1 previous error
[INFO] [stderr] error: could not compile `exercise` (bin "check" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "259013a2902ae295eb20c8b80e6eaa0131d72ca8d714a49f019e3639b5245d0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "259013a2902ae295eb20c8b80e6eaa0131d72ca8d714a49f019e3639b5245d0d", kill_on_drop: false }`
[INFO] [stdout] 259013a2902ae295eb20c8b80e6eaa0131d72ca8d714a49f019e3639b5245d0d