[INFO] cloning repository https://github.com/aviplayer/linked_list_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aviplayer/linked_list_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faviplayer%2Flinked_list_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faviplayer%2Flinked_list_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9b900f4a947ed2af8ce1c6d3cc89efb175ed2ac7
[INFO] testing aviplayer/linked_list_rust/9b900f4a947ed2af8ce1c6d3cc89efb175ed2ac7 against master#d933cf483edf1605142ac6899ff32536c0ad8b22 for pr-150933
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faviplayer%2Flinked_list_rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/aviplayer/linked_list_rust
[INFO] finished tweaking git repo https://github.com/aviplayer/linked_list_rust
[INFO] tweaked toml for git repo https://github.com/aviplayer/linked_list_rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/aviplayer/linked_list_rust on toolchain d933cf483edf1605142ac6899ff32536c0ad8b22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/aviplayer/linked_list_rust 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" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding cfg-if v1.0.4
[INFO] [stderr]       Adding getrandom v0.2.17
[INFO] [stderr]       Adding libc v0.2.182
[INFO] [stderr]       Adding ppv-lite86 v0.2.21
[INFO] [stderr]       Adding proc-macro2 v1.0.106
[INFO] [stderr]       Adding quote v1.0.45
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.10.0)
[INFO] [stderr]       Adding rand_chacha v0.3.1
[INFO] [stderr]       Adding rand_core v0.6.4
[INFO] [stderr]       Adding syn v2.0.117
[INFO] [stderr]       Adding unicode-ident v1.0.24
[INFO] [stderr]       Adding wasi v0.11.1+wasi-snapshot-preview1
[INFO] [stderr]       Adding zerocopy v0.8.40
[INFO] [stderr]       Adding zerocopy-derive v0.8.40
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.45
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.40
[INFO] [stderr]   Downloaded zerocopy v0.8.40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a091554ec908ca1c8782ed70296b45f1aa6a744f97bedf2cb50b6110ac57654a
[INFO] running `Command { std: "docker" "start" "-a" "a091554ec908ca1c8782ed70296b45f1aa6a744f97bedf2cb50b6110ac57654a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a091554ec908ca1c8782ed70296b45f1aa6a744f97bedf2cb50b6110ac57654a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a091554ec908ca1c8782ed70296b45f1aa6a744f97bedf2cb50b6110ac57654a", kill_on_drop: false }`
[INFO] [stdout] a091554ec908ca1c8782ed70296b45f1aa6a744f97bedf2cb50b6110ac57654a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b0ad26339e999fa68e3f87b0fbd7d57041c601077c1f68416c20411664e8d3f
[INFO] running `Command { std: "docker" "start" "-a" "9b0ad26339e999fa68e3f87b0fbd7d57041c601077c1f68416c20411664e8d3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling zerocopy v0.8.40
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling binary_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `Direction` is never used
[INFO] [stdout]   --> src/binary.rs:31:6
[INFO] [stdout]    |
[INFO] [stdout] 31 | enum Direction {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `find1` is never used
[INFO] [stdout]   --> src/binary.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | impl Tree {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 95 |     fn find1(node: &mut NodeOption, val: i32) -> Result<&mut NodeOption, Error> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.50s
[INFO] running `Command { std: "docker" "inspect" "9b0ad26339e999fa68e3f87b0fbd7d57041c601077c1f68416c20411664e8d3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b0ad26339e999fa68e3f87b0fbd7d57041c601077c1f68416c20411664e8d3f", kill_on_drop: false }`
[INFO] [stdout] 9b0ad26339e999fa68e3f87b0fbd7d57041c601077c1f68416c20411664e8d3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 244fe3e46d590343a4936512840528609f5b90bf3e4d63d89d366ca4c61c24f7
[INFO] running `Command { std: "docker" "start" "-a" "244fe3e46d590343a4936512840528609f5b90bf3e4d63d89d366ca4c61c24f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling binary_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `Direction` is never used
[INFO] [stdout]   --> src/binary.rs:31:6
[INFO] [stdout]    |
[INFO] [stdout] 31 | enum Direction {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `find1` is never used
[INFO] [stdout]   --> src/binary.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | impl Tree {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 95 |     fn find1(node: &mut NodeOption, val: i32) -> Result<&mut NodeOption, Error> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "244fe3e46d590343a4936512840528609f5b90bf3e4d63d89d366ca4c61c24f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "244fe3e46d590343a4936512840528609f5b90bf3e4d63d89d366ca4c61c24f7", kill_on_drop: false }`
[INFO] [stdout] 244fe3e46d590343a4936512840528609f5b90bf3e4d63d89d366ca4c61c24f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cd4d296cd70dbd73fabd4348fc498b4a021ff98d3bc8394827a06766c431a75d
[INFO] running `Command { std: "docker" "start" "-a" "cd4d296cd70dbd73fabd4348fc498b4a021ff98d3bc8394827a06766c431a75d", kill_on_drop: false }`
[INFO] [stderr] warning: enum `Direction` is never used
[INFO] [stdout] 
[INFO] [stderr]   --> src/binary.rs:31:6
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 31 | enum Direction {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `find1` is never used
[INFO] [stderr]   --> src/binary.rs:95:8
[INFO] [stderr]    |
[INFO] [stderr] 64 | impl Tree {
[INFO] [stderr]    | --------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 95 |     fn find1(node: &mut NodeOption, val: i32) -> Result<&mut NodeOption, Error> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `binary_tree` (bin "binary_tree" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/binary_tree-d93ba30cd314d7f0)
[INFO] running `Command { std: "docker" "inspect" "cd4d296cd70dbd73fabd4348fc498b4a021ff98d3bc8394827a06766c431a75d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd4d296cd70dbd73fabd4348fc498b4a021ff98d3bc8394827a06766c431a75d", kill_on_drop: false }`
[INFO] [stdout] cd4d296cd70dbd73fabd4348fc498b4a021ff98d3bc8394827a06766c431a75d