[INFO] cloning repository https://github.com/yassineZakhama/huffcompressor [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yassineZakhama/huffcompressor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FyassineZakhama%2Fhuffcompressor", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FyassineZakhama%2Fhuffcompressor'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e57384278555c0d19c3d9963e3e1b91197147f80 [INFO] testing yassineZakhama/huffcompressor against master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FyassineZakhama%2Fhuffcompressor" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/yassineZakhama/huffcompressor on toolchain ebf0cf75d368c035f4c7e7246d203bd469ee4a51 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/yassineZakhama/huffcompressor [INFO] finished tweaking git repo https://github.com/yassineZakhama/huffcompressor [INFO] tweaked toml for git repo https://github.com/yassineZakhama/huffcompressor written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/yassineZakhama/huffcompressor 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" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c043b434fcc3124b17a25f9f5e4d1c8497298b8d267871d31c27bd8be28928ca [INFO] running `Command { std: "docker" "start" "-a" "c043b434fcc3124b17a25f9f5e4d1c8497298b8d267871d31c27bd8be28928ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c043b434fcc3124b17a25f9f5e4d1c8497298b8d267871d31c27bd8be28928ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c043b434fcc3124b17a25f9f5e4d1c8497298b8d267871d31c27bd8be28928ca", kill_on_drop: false }` [INFO] [stdout] c043b434fcc3124b17a25f9f5e4d1c8497298b8d267871d31c27bd8be28928ca [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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5a0004c582a9032bdc20e46998f430567e9714730e3025de0933f13e93591d75 [INFO] running `Command { std: "docker" "start" "-a" "5a0004c582a9032bdc20e46998f430567e9714730e3025de0933f13e93591d75", kill_on_drop: false }` [INFO] [stderr] Compiling huffcompressor v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait `HuffBaseNode` is never used [INFO] [stdout] --> src/huffmantree.rs:4:7 [INFO] [stdout] | [INFO] [stdout] 4 | trait HuffBaseNode { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `HuffInternalNode` is never constructed [INFO] [stdout] --> src/huffmantree/internalnode.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct HuffInternalNode { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `left`, and `right` are never used [INFO] [stdout] --> src/huffmantree/internalnode.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 9 | impl HuffInternalNode { [INFO] [stdout] | --------------------- associated items in this implementation [INFO] [stdout] 10 | fn new(weight: i32, left: Box, right: Box) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 18 | fn left(&self) -> &Box { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | fn right(&self) -> &Box { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `HuffLeafNode` is never constructed [INFO] [stdout] --> src/huffmantree/leafnode.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct HuffLeafNode { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/huffmantree/leafnode.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 8 | impl HuffLeafNode { [INFO] [stdout] | ----------------- associated function in this implementation [INFO] [stdout] 9 | fn new(element: char, weight: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.70s [INFO] running `Command { std: "docker" "inspect" "5a0004c582a9032bdc20e46998f430567e9714730e3025de0933f13e93591d75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a0004c582a9032bdc20e46998f430567e9714730e3025de0933f13e93591d75", kill_on_drop: false }` [INFO] [stdout] 5a0004c582a9032bdc20e46998f430567e9714730e3025de0933f13e93591d75 [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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7c8c577731d1bc450e0be31bbc053ca3dfd893e191bde7e16c19d81e548c2266 [INFO] running `Command { std: "docker" "start" "-a" "7c8c577731d1bc450e0be31bbc053ca3dfd893e191bde7e16c19d81e548c2266", kill_on_drop: false }` [INFO] [stdout] warning: trait `HuffBaseNode` is never used [INFO] [stdout] --> src/huffmantree.rs:4:7 [INFO] [stdout] | [INFO] [stdout] 4 | trait HuffBaseNode { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `HuffInternalNode` is never constructed [INFO] [stdout] --> src/huffmantree/internalnode.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct HuffInternalNode { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling huffcompressor v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated items `new`, `left`, and `right` are never used [INFO] [stdout] --> src/huffmantree/internalnode.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 9 | impl HuffInternalNode { [INFO] [stdout] | --------------------- associated items in this implementation [INFO] [stdout] 10 | fn new(weight: i32, left: Box, right: Box) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 18 | fn left(&self) -> &Box { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | fn right(&self) -> &Box { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `HuffLeafNode` is never constructed [INFO] [stdout] --> src/huffmantree/leafnode.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct HuffLeafNode { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/huffmantree/leafnode.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 8 | impl HuffLeafNode { [INFO] [stdout] | ----------------- associated function in this implementation [INFO] [stdout] 9 | fn new(element: char, weight: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `HuffBaseNode` is never used [INFO] [stdout] --> src/huffmantree.rs:4:7 [INFO] [stdout] | [INFO] [stdout] 4 | trait HuffBaseNode { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `HuffInternalNode` is never constructed [INFO] [stdout] --> src/huffmantree/internalnode.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct HuffInternalNode { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `left`, and `right` are never used [INFO] [stdout] --> src/huffmantree/internalnode.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 9 | impl HuffInternalNode { [INFO] [stdout] | --------------------- associated items in this implementation [INFO] [stdout] 10 | fn new(weight: i32, left: Box, right: Box) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 18 | fn left(&self) -> &Box { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | fn right(&self) -> &Box { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `HuffLeafNode` is never constructed [INFO] [stdout] --> src/huffmantree/leafnode.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct HuffLeafNode { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/huffmantree/leafnode.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 8 | impl HuffLeafNode { [INFO] [stdout] | ----------------- associated function in this implementation [INFO] [stdout] 9 | fn new(element: char, weight: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: "cc" "-m64" "/tmp/rustcWIFGMu/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/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/rustcWIFGMu/raw-dylibs" "-B/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,-znostart-stop-gc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/huffcompressor-1065a337cfb4378a" "-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: PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace. [INFO] [stdout] LLVM ERROR: IO failure on output stream: No space left on device [INFO] [stdout] collect2: fatal error: ld terminated with signal 7 [Bus error], core dumped [INFO] [stdout] compilation terminated. [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device [INFO] [stderr] error: could not compile `huffcompressor` (lib test); 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/ebf0cf75d368c035f4c7e7246d203bd469ee4a51/bin/rustc --crate-name huffcompressor --edition=2021 src/lib.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=49dbf2a4079a2071 -C extra-filename=-62c368ea79f28325 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 101) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `huffcompressor` (bin "huffcompressor" test) due to 1 previous error; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "7c8c577731d1bc450e0be31bbc053ca3dfd893e191bde7e16c19d81e548c2266", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c8c577731d1bc450e0be31bbc053ca3dfd893e191bde7e16c19d81e548c2266", kill_on_drop: false }` [INFO] [stdout] 7c8c577731d1bc450e0be31bbc053ca3dfd893e191bde7e16c19d81e548c2266