[INFO] cloning repository https://github.com/alpaylan/etna-rust-rbt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alpaylan/etna-rust-rbt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falpaylan%2Fetna-rust-rbt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falpaylan%2Fetna-rust-rbt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ba518dc14c57875d135b140e5602e85b005b9d8
[INFO] checking alpaylan/etna-rust-rbt against master#dc375db7d8df0aa450e622c529147c95eee756f5 for pr-156749
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falpaylan%2Fetna-rust-rbt" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/alpaylan/etna-rust-rbt
[INFO] finished tweaking git repo https://github.com/alpaylan/etna-rust-rbt
[INFO] tweaked toml for git repo https://github.com/alpaylan/etna-rust-rbt written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/alpaylan/etna-rust-rbt on toolchain dc375db7d8df0aa450e622c529147c95eee756f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dc375db7d8df0aa450e622c529147c95eee756f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/alpaylan/etna-rust-rbt 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" "+dc375db7d8df0aa450e622c529147c95eee756f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/alpaylan/etna-rs-utils`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/alpaylan/quickcheck.git`
[INFO] [stderr]      Locking 1 package to latest Rust 1.98.0-nightly compatible version
[INFO] [stderr]       Adding quickcheck v1.0.3 (https://github.com/alpaylan/quickcheck.git?branch=master#687d7656)
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.141
[INFO] [stderr]   Downloaded serde-lexpr v0.1.3
[INFO] [stderr]   Downloaded lexpr-macros v0.2.2
[INFO] [stderr]   Downloaded hegeltest-macros v0.2.0
[INFO] [stderr]   Downloaded lexpr v0.2.7
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.47
[INFO] [stderr]   Downloaded zerocopy v0.8.47
[INFO] [stderr]   Downloaded hegeltest v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 5be4c5ed37fc623790589a5be935b7524d0f7198aac06434aa6982d2d58e80a7
[INFO] running `Command { std: "docker" "start" "5be4c5ed37fc623790589a5be935b7524d0f7198aac06434aa6982d2d58e80a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5be4c5ed37fc623790589a5be935b7524d0f7198aac06434aa6982d2d58e80a7" "/opt/rustwide/cargo-home/bin/cargo" "+dc375db7d8df0aa450e622c529147c95eee756f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5be4c5ed37fc623790589a5be935b7524d0f7198aac06434aa6982d2d58e80a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5be4c5ed37fc623790589a5be935b7524d0f7198aac06434aa6982d2d58e80a7" "/opt/rustwide/cargo-home/bin/cargo" "+dc375db7d8df0aa450e622c529147c95eee756f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.47
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]    Compiling serde_json v1.0.141
[INFO] [stderr]     Checking etna-rs-utils v0.1.0 (https://github.com/alpaylan/etna-rs-utils?branch=main#50431af0)
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]    Compiling lexpr-macros v0.2.2
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]     Checking crc32fast v1.5.0
[INFO] [stderr]     Checking lexpr v0.2.7
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking rand_xorshift v0.4.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking tempfile v3.23.0
[INFO] [stderr]     Checking rusty-fork v0.3.1
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling zerocopy-derive v0.8.47
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling hegeltest-macros v0.2.0
[INFO] [stderr]     Checking env_filter v0.1.3
[INFO] [stderr]     Checking env_logger v0.11.8
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking serde-lexpr v0.1.3
[INFO] [stderr]     Checking erased-serde v0.4.6
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking proptest v1.11.0
[INFO] [stderr]     Checking quickcheck v1.0.3 (https://github.com/alpaylan/quickcheck.git?branch=master#687d7656)
[INFO] [stderr]     Checking hegeltest v0.2.0
[INFO] [stderr]     Checking rbt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `size` is never used
[INFO] [stdout]    --> src/implementation.rs:454:15
[INFO] [stdout]     |
[INFO] [stdout] 454 | pub(crate) fn size(t: Tree) -> usize {
[INFO] [stdout]     |               ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `size` is never used
[INFO] [stdout]    --> src/implementation.rs:454:15
[INFO] [stdout]     |
[INFO] [stdout] 454 | pub(crate) fn size(t: Tree) -> usize {
[INFO] [stdout]     |               ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.91s
[INFO] running `Command { std: "docker" "inspect" "5be4c5ed37fc623790589a5be935b7524d0f7198aac06434aa6982d2d58e80a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5be4c5ed37fc623790589a5be935b7524d0f7198aac06434aa6982d2d58e80a7", kill_on_drop: false }`
[INFO] [stdout] 5be4c5ed37fc623790589a5be935b7524d0f7198aac06434aa6982d2d58e80a7
