[INFO] cloning repository https://github.com/kuy/opendatastructures-study [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kuy/opendatastructures-study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuy%2Fopendatastructures-study", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuy%2Fopendatastructures-study'... [INFO] [stderr] error: copy-fd: write returned: No space left on device [INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/commit-msg.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuy%2Fopendatastructures-study/hooks/commit-msg.sample': No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 1) [INFO] cloning repository https://github.com/kuy/opendatastructures-study [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kuy/opendatastructures-study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuy%2Fopendatastructures-study", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuy%2Fopendatastructures-study'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 72dd45d4047f0daf4aef2bd04e6efa0abbd4214d [INFO] building kuy/opendatastructures-study against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuy%2Fopendatastructures-study" "/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/kuy/opendatastructures-study on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kuy/opendatastructures-study [INFO] finished tweaking git repo https://github.com/kuy/opendatastructures-study [INFO] tweaked toml for git repo https://github.com/kuy/opendatastructures-study written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/kuy/opendatastructures-study 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9b0dbf3f840b298ee0f08620ae70fea378ad571fdcf7c06203ebb899cae398a7 [INFO] running `Command { std: "docker" "start" "-a" "9b0dbf3f840b298ee0f08620ae70fea378ad571fdcf7c06203ebb899cae398a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9b0dbf3f840b298ee0f08620ae70fea378ad571fdcf7c06203ebb899cae398a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b0dbf3f840b298ee0f08620ae70fea378ad571fdcf7c06203ebb899cae398a7", kill_on_drop: false }` [INFO] [stdout] 9b0dbf3f840b298ee0f08620ae70fea378ad571fdcf7c06203ebb899cae398a7 [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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b29a610f8b5671f3d54373267494eaf2b1de7a69bbc99a509630bdb1d9ce56d1 [INFO] running `Command { std: "docker" "start" "-a" "b29a610f8b5671f3d54373267494eaf2b1de7a69bbc99a509630bdb1d9ce56d1", kill_on_drop: false }` [INFO] [stderr] Compiling opendatastructures-study v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait `Queue` is never used [INFO] [stdout] --> src/ch02/array_queue.rs:1:7 [INFO] [stdout] | [INFO] [stdout] 1 | trait Queue { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ArrayQueue` is never constructed [INFO] [stdout] --> src/ch02/array_queue.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct ArrayQueue where T: Default + Copy { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `with_capacity`, `capacity`, `resize`, and `debug` are never used [INFO] [stdout] --> src/ch02/array_queue.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 13 | impl ArrayQueue where T: Default + Copy + std::fmt::Debug { [INFO] [stdout] | --------------------------------------------------------------- associated items in this implementation [INFO] [stdout] 14 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 18 | pub fn with_capacity(n: usize) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | pub fn capacity(&self) -> usize { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | fn resize(&mut self) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 44 | fn debug(&self, tag: &str) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `List` is never used [INFO] [stdout] --> src/ch02/array_stack.rs:1:7 [INFO] [stdout] | [INFO] [stdout] 1 | trait List { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ArrayStack` is never constructed [INFO] [stdout] --> src/ch02/array_stack.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | struct ArrayStack where T: Default + Copy { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `resize`, and `capacity` are never used [INFO] [stdout] --> src/ch02/array_stack.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 14 | impl ArrayStack where T: Default + Copy { [INFO] [stdout] | --------------------------------------------- associated items in this implementation [INFO] [stdout] 15 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 19 | fn resize(&mut self) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 31 | pub fn capacity(&self) -> usize { [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 `opendatastructures-study` (bin "opendatastructures-study"); 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/11663cd3bfefef7d34e8f0892c250bf698049392/bin/rustc --crate-name opendatastructures_study --edition=2021 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values())' -C metadata=34959a176c45070d -C extra-filename=-5e12ff740e0d95c6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid -Dtail-expr-drop-order` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "b29a610f8b5671f3d54373267494eaf2b1de7a69bbc99a509630bdb1d9ce56d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b29a610f8b5671f3d54373267494eaf2b1de7a69bbc99a509630bdb1d9ce56d1", kill_on_drop: false }` [INFO] [stdout] b29a610f8b5671f3d54373267494eaf2b1de7a69bbc99a509630bdb1d9ce56d1