[INFO] cloning repository https://github.com/mi-wada/rust99 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mi-wada/rust99" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmi-wada%2Frust99", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmi-wada%2Frust99'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e11f95fb65ca2d3a0cb138200dee57b525930970 [INFO] checking mi-wada/rust99 against master#419b3e2d3e350822550eee0e82eeded4d324d584 for pr-135536 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmi-wada%2Frust99" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mi-wada/rust99 on toolchain 419b3e2d3e350822550eee0e82eeded4d324d584 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+419b3e2d3e350822550eee0e82eeded4d324d584" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mi-wada/rust99 [INFO] finished tweaking git repo https://github.com/mi-wada/rust99 [INFO] tweaked toml for git repo https://github.com/mi-wada/rust99 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/mi-wada/rust99 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" "+419b3e2d3e350822550eee0e82eeded4d324d584" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+419b3e2d3e350822550eee0e82eeded4d324d584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 411f702a497503f057251c3a102ba9a7f8093f73e3dfc8269294ac2f99b9cd0d [INFO] running `Command { std: "docker" "start" "-a" "411f702a497503f057251c3a102ba9a7f8093f73e3dfc8269294ac2f99b9cd0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "411f702a497503f057251c3a102ba9a7f8093f73e3dfc8269294ac2f99b9cd0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "411f702a497503f057251c3a102ba9a7f8093f73e3dfc8269294ac2f99b9cd0d", kill_on_drop: false }` [INFO] [stdout] 411f702a497503f057251c3a102ba9a7f8093f73e3dfc8269294ac2f99b9cd0d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+419b3e2d3e350822550eee0e82eeded4d324d584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0d05c6b76da287ee869ba40a4be11f26566d68e1b824a35ee02d7f9ee8bdbe16 [INFO] running `Command { std: "docker" "start" "-a" "0d05c6b76da287ee869ba40a4be11f26566d68e1b824a35ee02d7f9ee8bdbe16", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.102 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking rust99 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: methods `node_count`, `leaf_count`, and `is_mirror_of` are never used [INFO] [stdout] --> src/main.rs:1043:8 [INFO] [stdout] | [INFO] [stdout] 1042 | impl Tree { [INFO] [stdout] | ----------------------------- methods in this implementation [INFO] [stdout] 1043 | fn node_count(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 1053 | fn leaf_count(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 1066 | fn is_mirror_of(&self, other: &Tree) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `node`, `leaf`, and `end` are never used [INFO] [stdout] --> src/main.rs:1089:8 [INFO] [stdout] | [INFO] [stdout] 1088 | impl Tree { [INFO] [stdout] | ----------------------------- associated functions in this implementation [INFO] [stdout] 1089 | fn node(value: T, left: Tree, right: Tree) -> Tree { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 1097 | fn leaf(value: T) -> Tree { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 1105 | fn end() -> Tree { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust99` (bin "rust99"); 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] No space left on device (os error 28) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] failed to parse process output: `/opt/rustwide/rustup-home/toolchains/419b3e2d3e350822550eee0e82eeded4d324d584/bin/rustc --crate-name rust99 --edition=2018 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=5681c222f796d6a7 -C extra-filename=-99f4cb674647095f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-80a328e9943755f2.rmeta --cap-lints=forbid` (exit status: 1) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused variable: `li` [INFO] [stdout] --> src/main.rs:463:13 [INFO] [stdout] | [INFO] [stdout] 463 | let li = vec!['a', 'b', 'c', 'd', 'e']; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_li` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust99` (bin "rust99" test); 1 warning emitted [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] No space left on device (os error 28) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] failed to parse process output: `/opt/rustwide/rustup-home/toolchains/419b3e2d3e350822550eee0e82eeded4d324d584/bin/rustc --crate-name rust99 --edition=2018 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=9794a16164a7409d -C extra-filename=-bff3a816f15af39e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-80a328e9943755f2.rmeta --cap-lints=forbid` (exit status: 0) [INFO] running `Command { std: "docker" "inspect" "0d05c6b76da287ee869ba40a4be11f26566d68e1b824a35ee02d7f9ee8bdbe16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d05c6b76da287ee869ba40a4be11f26566d68e1b824a35ee02d7f9ee8bdbe16", kill_on_drop: false }` [INFO] [stdout] 0d05c6b76da287ee869ba40a4be11f26566d68e1b824a35ee02d7f9ee8bdbe16