[INFO] cloning repository https://github.com/prk-Jr/rust_binary_search_tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/prk-Jr/rust_binary_search_tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprk-Jr%2Frust_binary_search_tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprk-Jr%2Frust_binary_search_tree'...
[INFO] [stderr] fatal: write error: No space left on device
[INFO] [stderr] fatal: fetch-pack: invalid index-pack output
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/prk-Jr/rust_binary_search_tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/prk-Jr/rust_binary_search_tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprk-Jr%2Frust_binary_search_tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprk-Jr%2Frust_binary_search_tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 444f897337ce20c4db2eff9e5006de276b5ea5de
[INFO] checking prk-Jr/rust_binary_search_tree against master#90384941aae4ea38de00e4702b50757e9b882a19 for pr-138340
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprk-Jr%2Frust_binary_search_tree" "/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/prk-Jr/rust_binary_search_tree on toolchain 90384941aae4ea38de00e4702b50757e9b882a19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+90384941aae4ea38de00e4702b50757e9b882a19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/prk-Jr/rust_binary_search_tree
[INFO] finished tweaking git repo https://github.com/prk-Jr/rust_binary_search_tree
[INFO] tweaked toml for git repo https://github.com/prk-Jr/rust_binary_search_tree written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/prk-Jr/rust_binary_search_tree 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" "+90384941aae4ea38de00e4702b50757e9b882a19" "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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+90384941aae4ea38de00e4702b50757e9b882a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5bcd4989e6da86fadd0349b535a9cadc23e7daa38fb67a0c1c2efd7e38e7b9cb
[INFO] running `Command { std: "docker" "start" "-a" "5bcd4989e6da86fadd0349b535a9cadc23e7daa38fb67a0c1c2efd7e38e7b9cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bcd4989e6da86fadd0349b535a9cadc23e7daa38fb67a0c1c2efd7e38e7b9cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bcd4989e6da86fadd0349b535a9cadc23e7daa38fb67a0c1c2efd7e38e7b9cb", kill_on_drop: false }`
[INFO] [stdout] 5bcd4989e6da86fadd0349b535a9cadc23e7daa38fb67a0c1c2efd7e38e7b9cb
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+90384941aae4ea38de00e4702b50757e9b882a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76cc8b2ca6ee01df689ddc882c24c5ebce506ac8935e0aa31f257810fd5eb9b2
[INFO] running `Command { std: "docker" "start" "-a" "76cc8b2ca6ee01df689ddc882c24c5ebce506ac8935e0aa31f257810fd5eb9b2", kill_on_drop: false }`
[INFO] [stderr]     Checking binary_search_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `search` is never used
[INFO] [stdout]   --> src/main.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<T: Display + Ord + Copy> BST<T> {
[INFO] [stdout]    | ------------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn search(&mut self, value: T) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/main.rs:2:9
[INFO] [stdout]    |
[INFO] [stdout] 2  | #![warn(dead_code)]
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `binary_search_tree` (bin "binary_search_tree" 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/90384941aae4ea38de00e4702b50757e9b882a19/bin/rustc --crate-name binary_search_tree --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=10181527e69845e2 -C extra-filename=-c1c4c11e084e746e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: method `search` is never used
[INFO] [stdout]   --> src/main.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<T: Display + Ord + Copy> BST<T> {
[INFO] [stdout]    | ------------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn search(&mut self, value: T) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/main.rs:2:9
[INFO] [stdout]    |
[INFO] [stdout] 2  | #![warn(dead_code)]
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `binary_search_tree` (bin "binary_search_tree"); 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/90384941aae4ea38de00e4702b50757e9b882a19/bin/rustc --crate-name binary_search_tree --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=02a981fbf9990f1a -C extra-filename=-0995ebfbc58b17a7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "76cc8b2ca6ee01df689ddc882c24c5ebce506ac8935e0aa31f257810fd5eb9b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76cc8b2ca6ee01df689ddc882c24c5ebce506ac8935e0aa31f257810fd5eb9b2", kill_on_drop: false }`
[INFO] [stdout] 76cc8b2ca6ee01df689ddc882c24c5ebce506ac8935e0aa31f257810fd5eb9b2