[INFO] cloning repository https://github.com/alextoritsin/AVLTree-on-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alextoritsin/AVLTree-on-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falextoritsin%2FAVLTree-on-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falextoritsin%2FAVLTree-on-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f3a55742facb15838b25dab23623f63f9a274f1f
[INFO] checking alextoritsin/AVLTree-on-Rust/f3a55742facb15838b25dab23623f63f9a274f1f against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falextoritsin%2FAVLTree-on-Rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alextoritsin/AVLTree-on-Rust on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alextoritsin/AVLTree-on-Rust
[INFO] finished tweaking git repo https://github.com/alextoritsin/AVLTree-on-Rust
[INFO] tweaked toml for git repo https://github.com/alextoritsin/AVLTree-on-Rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/alextoritsin/AVLTree-on-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ntest_test_cases v0.9.2
[INFO] [stderr]   Downloaded ntest_timeout v0.9.2
[INFO] [stderr]   Downloaded rand_chacha v0.9.0-alpha.0
[INFO] [stderr]   Downloaded rand_core v0.9.0-alpha.0
[INFO] [stderr]   Downloaded ntest v0.9.2
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.0-alpha.5
[INFO] [stderr]   Downloaded zerocopy v0.8.0-alpha.5
[INFO] [stderr]   Downloaded rand v0.9.0-alpha.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68453c63dc339674d8bf35cc6b874c7417f508a7f720a4576723b3b7b6373fa3
[INFO] running `Command { std: "docker" "start" "-a" "68453c63dc339674d8bf35cc6b874c7417f508a7f720a4576723b3b7b6373fa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68453c63dc339674d8bf35cc6b874c7417f508a7f720a4576723b3b7b6373fa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68453c63dc339674d8bf35cc6b874c7417f508a7f720a4576723b3b7b6373fa3", kill_on_drop: false }`
[INFO] [stdout] 68453c63dc339674d8bf35cc6b874c7417f508a7f720a4576723b3b7b6373fa3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d53628e8b3342332155d272d05fe0dedbe62d74b5fa67d522d59bb47c4f6d78d
[INFO] running `Command { std: "docker" "start" "-a" "d53628e8b3342332155d272d05fe0dedbe62d74b5fa67d522d59bb47c4f6d78d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling zerocopy v0.8.0-alpha.5
[INFO] [stderr]    Compiling indexmap v2.2.5
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling toml_edit v0.21.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking rand_core v0.9.0-alpha.0
[INFO] [stderr]     Checking rand_chacha v0.9.0-alpha.0
[INFO] [stderr]     Checking rand v0.9.0-alpha.0
[INFO] [stderr]    Compiling proc-macro-crate v3.1.0
[INFO] [stderr]    Compiling ntest_test_cases v0.9.2
[INFO] [stderr]    Compiling ntest_timeout v0.9.2
[INFO] [stderr]     Checking ntest v0.9.2
[INFO] [stderr]     Checking avltree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.62s
[INFO] running `Command { std: "docker" "inspect" "d53628e8b3342332155d272d05fe0dedbe62d74b5fa67d522d59bb47c4f6d78d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d53628e8b3342332155d272d05fe0dedbe62d74b5fa67d522d59bb47c4f6d78d", kill_on_drop: false }`
[INFO] [stdout] d53628e8b3342332155d272d05fe0dedbe62d74b5fa67d522d59bb47c4f6d78d