[INFO] cloning repository https://github.com/hk-pG/rust-lang-tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hk-pG/rust-lang-tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhk-pG%2Frust-lang-tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhk-pG%2Frust-lang-tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b1282df188c1d28d9b699e55ddad564e9fbac72
[INFO] checking hk-pG/rust-lang-tutorial against master#19f42cb9bb65555e7d95dab7d17573ae6c5d634c for pr-139087
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhk-pG%2Frust-lang-tutorial" "/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/hk-pG/rust-lang-tutorial on toolchain 19f42cb9bb65555e7d95dab7d17573ae6c5d634c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19f42cb9bb65555e7d95dab7d17573ae6c5d634c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hk-pG/rust-lang-tutorial
[INFO] finished tweaking git repo https://github.com/hk-pG/rust-lang-tutorial
[INFO] tweaked toml for git repo https://github.com/hk-pG/rust-lang-tutorial written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/hk-pG/rust-lang-tutorial 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" "+19f42cb9bb65555e7d95dab7d17573ae6c5d634c" "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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+19f42cb9bb65555e7d95dab7d17573ae6c5d634c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 328fcb1b27fdcea51e27c3199a866a226d1f2f05f052d5adef436d4ca7148e66
[INFO] running `Command { std: "docker" "start" "-a" "328fcb1b27fdcea51e27c3199a866a226d1f2f05f052d5adef436d4ca7148e66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "328fcb1b27fdcea51e27c3199a866a226d1f2f05f052d5adef436d4ca7148e66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "328fcb1b27fdcea51e27c3199a866a226d1f2f05f052d5adef436d4ca7148e66", kill_on_drop: false }`
[INFO] [stdout] 328fcb1b27fdcea51e27c3199a866a226d1f2f05f052d5adef436d4ca7148e66
[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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+19f42cb9bb65555e7d95dab7d17573ae6c5d634c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5450ca24aab29cfb12871533ad3858af2ac401e9e37b831c9e5b024c8b167e5d
[INFO] running `Command { std: "docker" "start" "-a" "5450ca24aab29cfb12871533ad3858af2ac401e9e37b831c9e5b024c8b167e5d", kill_on_drop: false }`
[INFO] [stderr]     Checking fib v0.1.0 (/opt/rustwide/workdir/fib)
[INFO] [stderr]     Checking rust-lang-tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `basic_indexes` is never used
[INFO] [stdout]   --> src/main.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn basic_indexes() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `iterate_collect` is never used
[INFO] [stdout]   --> src/main.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn iterate_collect() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `iterate_loop` is never used
[INFO] [stdout]   --> src/main.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn iterate_loop() {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `use_slice` is never used
[INFO] [stdout]   --> src/main.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn use_slice() {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/rust_lang_tutorial-ed13310d19ba705a.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/rust-lang-tutorial-ed13310d19ba705a/dep-test-bin-rust-lang-tutorial`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "5450ca24aab29cfb12871533ad3858af2ac401e9e37b831c9e5b024c8b167e5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5450ca24aab29cfb12871533ad3858af2ac401e9e37b831c9e5b024c8b167e5d", kill_on_drop: false }`
[INFO] [stdout] 5450ca24aab29cfb12871533ad3858af2ac401e9e37b831c9e5b024c8b167e5d