[INFO] cloning repository https://github.com/nilvon9wo/rustlings-solutions [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nilvon9wo/rustlings-solutions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilvon9wo%2Frustlings-solutions", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilvon9wo%2Frustlings-solutions'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d8f3684f0d9e5d38759cd2ff403d75381cb274af [INFO] testing nilvon9wo/rustlings-solutions against try#0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6 for pr-137122-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilvon9wo%2Frustlings-solutions" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/nilvon9wo/rustlings-solutions [INFO] finished tweaking git repo https://github.com/nilvon9wo/rustlings-solutions [INFO] tweaked toml for git repo https://github.com/nilvon9wo/rustlings-solutions written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/nilvon9wo/rustlings-solutions on toolchain 0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/nilvon9wo/rustlings-solutions 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" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6eac0a04a43617df42165d52516992e83af69663fbda8c6303351fa00a234c88 [INFO] running `Command { std: "docker" "start" "-a" "6eac0a04a43617df42165d52516992e83af69663fbda8c6303351fa00a234c88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6eac0a04a43617df42165d52516992e83af69663fbda8c6303351fa00a234c88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6eac0a04a43617df42165d52516992e83af69663fbda8c6303351fa00a234c88", kill_on_drop: false }` [INFO] [stdout] 6eac0a04a43617df42165d52516992e83af69663fbda8c6303351fa00a234c88 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 281e4b5d8d084bce00c6b7cec5696f9d2c6c1a6253cb290ee2a03dc128ae17ed [INFO] running `Command { std: "docker" "start" "-a" "281e4b5d8d084bce00c6b7cec5696f9d2c6c1a6253cb290ee2a03dc128ae17ed", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.100 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling instant v0.1.10 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling serde_derive v1.0.129 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling lock_api v0.4.4 [INFO] [stderr] Compiling slab v0.4.4 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling serde v1.0.129 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling parking_lot_core v0.8.3 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling terminal_size v0.1.17 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling argh_shared v0.1.5 [INFO] [stderr] Compiling number_prefix v0.2.8 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling termios v0.3.3 [INFO] [stderr] Compiling filetime v0.2.15 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clicolors-control v1.0.1 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling notify v4.0.17 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling argh_derive v0.1.5 [INFO] [stderr] Compiling console v0.14.1 [INFO] [stderr] Compiling console v0.7.7 [INFO] [stderr] Compiling argh v0.1.5 [INFO] [stderr] Compiling indicatif v0.10.3 [INFO] [stderr] Compiling toml v0.4.10 [INFO] [stderr] Compiling rustlings v4.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/exercise.rs:109:20 [INFO] [stdout] | [INFO] [stdout] 109 | pub fn compile(&self) -> Result { [INFO] [stdout] | ^^^^^ ---------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 109 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.20s [INFO] running `Command { std: "docker" "inspect" "281e4b5d8d084bce00c6b7cec5696f9d2c6c1a6253cb290ee2a03dc128ae17ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "281e4b5d8d084bce00c6b7cec5696f9d2c6c1a6253cb290ee2a03dc128ae17ed", kill_on_drop: false }` [INFO] [stdout] 281e4b5d8d084bce00c6b7cec5696f9d2c6c1a6253cb290ee2a03dc128ae17ed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ecc660bc19b393ad6ed38cd4f497ee251c5ccd73ba4c935636ab71d2b48496c5 [INFO] running `Command { std: "docker" "start" "-a" "ecc660bc19b393ad6ed38cd4f497ee251c5ccd73ba4c935636ab71d2b48496c5", kill_on_drop: false }` [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde_json v1.0.66 [INFO] [stderr] Compiling predicates-core v1.0.2 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling float-cmp v0.8.0 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling treeline v0.1.0 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling predicates v1.0.8 [INFO] [stderr] Compiling predicates-tree v1.0.3 [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/exercise.rs:109:20 [INFO] [stdout] | [INFO] [stdout] 109 | pub fn compile(&self) -> Result { [INFO] [stdout] | ^^^^^ ---------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 109 | pub fn compile(&self) -> Result, ExerciseOutput> { [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 `serde_json` (lib) [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/0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6/bin/rustc --crate-name serde_json --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.66/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "arbitrary_precision", "default", "float_roundtrip", "indexmap", "preserve_order", "raw_value", "std", "unbounded_depth"))' -C metadata=22efb3845b3e52b6 -C extra-filename=-87b7fc7578ae2028 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern itoa=/opt/rustwide/target/debug/deps/libitoa-86d89f784cae5688.rmeta --extern ryu=/opt/rustwide/target/debug/deps/libryu-7364a19056563c74.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-cde4ef631c4a8c9d.rmeta --cap-lints allow --cap-lints=forbid --cfg limb_width_64` (exit status: 101) [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/rmetaoq7ET1" [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `escargot` (lib) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "ecc660bc19b393ad6ed38cd4f497ee251c5ccd73ba4c935636ab71d2b48496c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ecc660bc19b393ad6ed38cd4f497ee251c5ccd73ba4c935636ab71d2b48496c5", kill_on_drop: false }` [INFO] [stdout] ecc660bc19b393ad6ed38cd4f497ee251c5ccd73ba4c935636ab71d2b48496c5