[INFO] cloning repository https://github.com/ginozza/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/ginozza/rust_binary_search_tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fginozza%2Frust_binary_search_tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fginozza%2Frust_binary_search_tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f8c6b5e0ed1b173f3074818fe2fe2f54004a00a9
[INFO] building ginozza/rust_binary_search_tree against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fginozza%2Frust_binary_search_tree" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ginozza/rust_binary_search_tree on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ginozza/rust_binary_search_tree
[INFO] finished tweaking git repo https://github.com/ginozza/rust_binary_search_tree
[INFO] tweaked toml for git repo https://github.com/ginozza/rust_binary_search_tree written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ginozza/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" "+334963c956d25708feab489a3816ae63f639355d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] building ginozza/rust_binary_search_tree against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fginozza%2Frust_binary_search_tree" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ginozza/rust_binary_search_tree on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ginozza/rust_binary_search_tree
[INFO] finished tweaking git repo https://github.com/ginozza/rust_binary_search_tree
[INFO] tweaked toml for git repo https://github.com/ginozza/rust_binary_search_tree written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ginozza/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" "+334963c956d25708feab489a3816ae63f639355d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4486f517484fa3eeb4cef3fe7d6f381459cc9621ea79f8d4e26a351f2248cd85
[INFO] running `Command { std: "docker" "start" "-a" "4486f517484fa3eeb4cef3fe7d6f381459cc9621ea79f8d4e26a351f2248cd85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4486f517484fa3eeb4cef3fe7d6f381459cc9621ea79f8d4e26a351f2248cd85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4486f517484fa3eeb4cef3fe7d6f381459cc9621ea79f8d4e26a351f2248cd85", kill_on_drop: false }`
[INFO] [stdout] 4486f517484fa3eeb4cef3fe7d6f381459cc9621ea79f8d4e26a351f2248cd85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9acaeec90ff37bab281bc644bc2def367b8785428d5472d68a5dae09677fbdd7
[INFO] running `Command { std: "docker" "start" "-a" "9acaeec90ff37bab281bc644bc2def367b8785428d5472d68a5dae09677fbdd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling binary_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "9acaeec90ff37bab281bc644bc2def367b8785428d5472d68a5dae09677fbdd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9acaeec90ff37bab281bc644bc2def367b8785428d5472d68a5dae09677fbdd7", kill_on_drop: false }`
[INFO] [stdout] 9acaeec90ff37bab281bc644bc2def367b8785428d5472d68a5dae09677fbdd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3392c247b6d668c74a0940467772428fb0d272757dc2bc763c5e2aa8e29e160e
[INFO] running `Command { std: "docker" "start" "-a" "3392c247b6d668c74a0940467772428fb0d272757dc2bc763c5e2aa8e29e160e", kill_on_drop: false }`
[INFO] [stderr]    Compiling binary_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "3392c247b6d668c74a0940467772428fb0d272757dc2bc763c5e2aa8e29e160e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3392c247b6d668c74a0940467772428fb0d272757dc2bc763c5e2aa8e29e160e", kill_on_drop: false }`
[INFO] [stdout] 3392c247b6d668c74a0940467772428fb0d272757dc2bc763c5e2aa8e29e160e