[INFO] cloning repository https://github.com/jojohanhannesnes/thousand_island [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jojohanhannesnes/thousand_island" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjojohanhannesnes%2Fthousand_island", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjojohanhannesnes%2Fthousand_island'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b7cb0b3e976eb04137e854f6ec1cb568565cf5a8 [INFO] testing jojohanhannesnes/thousand_island against master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjojohanhannesnes%2Fthousand_island" "/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/jojohanhannesnes/thousand_island 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/jojohanhannesnes/thousand_island [INFO] finished tweaking git repo https://github.com/jojohanhannesnes/thousand_island [INFO] tweaked toml for git repo https://github.com/jojohanhannesnes/thousand_island written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/jojohanhannesnes/thousand_island 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-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5e07ed29ebf447fe21c161b78750bfe5a7292ce9cefe07120cc64af19b6c97d2 [INFO] running `Command { std: "docker" "start" "-a" "5e07ed29ebf447fe21c161b78750bfe5a7292ce9cefe07120cc64af19b6c97d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5e07ed29ebf447fe21c161b78750bfe5a7292ce9cefe07120cc64af19b6c97d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e07ed29ebf447fe21c161b78750bfe5a7292ce9cefe07120cc64af19b6c97d2", kill_on_drop: false }` [INFO] [stdout] 5e07ed29ebf447fe21c161b78750bfe5a7292ce9cefe07120cc64af19b6c97d2 [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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1780e4506a3ca7667017d22193c16d1e5dcfc54bcad6566548ed99a9efd0a40c [INFO] running `Command { std: "docker" "start" "-a" "1780e4506a3ca7667017d22193c16d1e5dcfc54bcad6566548ed99a9efd0a40c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling powerfmt v0.2.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling num-conv v0.1.0 [INFO] [stderr] Compiling time-core v0.1.2 [INFO] [stderr] Compiling algorithms v0.1.0 (/opt/rustwide/workdir/algorithms) [INFO] [stdout] warning: struct `Edge` is never constructed [INFO] [stdout] --> algorithms/src/boruvkas.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct Edge { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Graph` is never constructed [INFO] [stdout] --> algorithms/src/boruvkas.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | struct Graph { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `boruvkas_algorithm` is never used [INFO] [stdout] --> algorithms/src/boruvkas.rs:16:4 [INFO] [stdout] | [INFO] [stdout] 16 | fn boruvkas_algorithm(graph: &Graph) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling deranged v0.3.11 [INFO] [stderr] Compiling time v0.3.34 [INFO] [stderr] Compiling getrandom v0.2.14 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling challenges v0.1.0 (/opt/rustwide/workdir/challenges) [INFO] [stdout] warning: unexpected `cfg` condition value: `grapheme` [INFO] [stdout] --> challenges/src/exercism/reverse_string.rs:55:7 [INFO] [stdout] | [INFO] [stdout] 55 | #[cfg(feature = "grapheme")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `grapheme` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `CONTENTS` is never used [INFO] [stdout] --> challenges/src/euler/largest_product_in_grid.rs:1:7 [INFO] [stdout] | [INFO] [stdout] 1 | const CONTENTS: &str = " [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `largest_product_in_grid` is never used [INFO] [stdout] --> challenges/src/euler/largest_product_in_grid.rs:24:4 [INFO] [stdout] | [INFO] [stdout] 24 | fn largest_product_in_grid() -> u64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.52s [INFO] running `Command { std: "docker" "inspect" "1780e4506a3ca7667017d22193c16d1e5dcfc54bcad6566548ed99a9efd0a40c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1780e4506a3ca7667017d22193c16d1e5dcfc54bcad6566548ed99a9efd0a40c", kill_on_drop: false }` [INFO] [stdout] 1780e4506a3ca7667017d22193c16d1e5dcfc54bcad6566548ed99a9efd0a40c [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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5acf02e55a395fc7572351114f982c406aa9683654e3929fafcd35448c32f7fb [INFO] running `Command { std: "docker" "start" "-a" "5acf02e55a395fc7572351114f982c406aa9683654e3929fafcd35448c32f7fb", kill_on_drop: false }` [INFO] [stdout] warning: struct `Edge` is never constructed [INFO] [stdout] --> algorithms/src/boruvkas.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct Edge { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Graph` is never constructed [INFO] [stdout] --> algorithms/src/boruvkas.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | struct Graph { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `boruvkas_algorithm` is never used [INFO] [stdout] --> algorithms/src/boruvkas.rs:16:4 [INFO] [stdout] | [INFO] [stdout] 16 | fn boruvkas_algorithm(graph: &Graph) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling algorithms v0.1.0 (/opt/rustwide/workdir/algorithms) [INFO] [stderr] Compiling challenges v0.1.0 (/opt/rustwide/workdir/challenges) [INFO] [stdout] warning: unexpected `cfg` condition value: `grapheme` [INFO] [stdout] --> challenges/src/exercism/reverse_string.rs:55:7 [INFO] [stdout] | [INFO] [stdout] 55 | #[cfg(feature = "grapheme")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `grapheme` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `CONTENTS` is never used [INFO] [stdout] --> challenges/src/euler/largest_product_in_grid.rs:1:7 [INFO] [stdout] | [INFO] [stdout] 1 | const CONTENTS: &str = " [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `largest_product_in_grid` is never used [INFO] [stdout] --> challenges/src/euler/largest_product_in_grid.rs:24:4 [INFO] [stdout] | [INFO] [stdout] 24 | fn largest_product_in_grid() -> u64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `grapheme` [INFO] [stdout] --> challenges/src/exercism/reverse_string.rs:55:7 [INFO] [stdout] | [INFO] [stdout] 55 | #[cfg(feature = "grapheme")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `grapheme` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Edge` is never constructed [INFO] [stdout] --> algorithms/src/boruvkas.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct Edge { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Graph` is never constructed [INFO] [stdout] --> algorithms/src/boruvkas.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | struct Graph { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `boruvkas_algorithm` is never used [INFO] [stdout] --> algorithms/src/boruvkas.rs:16:4 [INFO] [stdout] | [INFO] [stdout] 16 | fn boruvkas_algorithm(graph: &Graph) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: "cc" "-m64" "/tmp/rustc0uU1F4/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/rustc0uU1F4/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/algorithms-fb91e8ac2630ee3e" "-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] error: could not compile `algorithms` (lib test) due to 1 previous error; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetaoP03sm" [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `challenges` (lib test) due to 1 previous error; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "5acf02e55a395fc7572351114f982c406aa9683654e3929fafcd35448c32f7fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5acf02e55a395fc7572351114f982c406aa9683654e3929fafcd35448c32f7fb", kill_on_drop: false }` [INFO] [stdout] 5acf02e55a395fc7572351114f982c406aa9683654e3929fafcd35448c32f7fb