[INFO] cloning repository https://github.com/Timmmm/autosquash
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Timmmm/autosquash" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimmmm%2Fautosquash", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimmmm%2Fautosquash'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b6354f3f9c30a570fabb14576ad51778fc32e580
[INFO] checking Timmmm/autosquash against master#bb89df6903539e7014b8db29bccd6a9ee9553122 for pr-121072
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimmmm%2Fautosquash" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Timmmm/autosquash on toolchain bb89df6903539e7014b8db29bccd6a9ee9553122
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bb89df6903539e7014b8db29bccd6a9ee9553122" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Timmmm/autosquash
[INFO] finished tweaking git repo https://github.com/Timmmm/autosquash
[INFO] tweaked toml for git repo https://github.com/Timmmm/autosquash written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Timmmm/autosquash 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" "+bb89df6903539e7014b8db29bccd6a9ee9553122" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking Timmmm/autosquash against try#e2d5da3bc6e298ce5f33ab9bd4e47f6a307ec8d0 for pr-121072
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimmmm%2Fautosquash" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Timmmm/autosquash on toolchain e2d5da3bc6e298ce5f33ab9bd4e47f6a307ec8d0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e2d5da3bc6e298ce5f33ab9bd4e47f6a307ec8d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Timmmm/autosquash
[INFO] finished tweaking git repo https://github.com/Timmmm/autosquash
[INFO] tweaked toml for git repo https://github.com/Timmmm/autosquash written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Timmmm/autosquash 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" "+e2d5da3bc6e298ce5f33ab9bd4e47f6a307ec8d0" "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] checking Timmmm/autosquash against try#e2d5da3bc6e298ce5f33ab9bd4e47f6a307ec8d0 for pr-121072
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimmmm%2Fautosquash" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Timmmm/autosquash on toolchain e2d5da3bc6e298ce5f33ab9bd4e47f6a307ec8d0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e2d5da3bc6e298ce5f33ab9bd4e47f6a307ec8d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Timmmm/autosquash
[INFO] finished tweaking git repo https://github.com/Timmmm/autosquash
[INFO] tweaked toml for git repo https://github.com/Timmmm/autosquash written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Timmmm/autosquash 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" "+e2d5da3bc6e298ce5f33ab9bd4e47f6a307ec8d0" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+e2d5da3bc6e298ce5f33ab9bd4e47f6a307ec8d0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab7651889ea4ef850e8911fd7cb84d9ba9f66fbbcf370adf71be9c49516fdfa3
[INFO] running `Command { std: "docker" "start" "-a" "ab7651889ea4ef850e8911fd7cb84d9ba9f66fbbcf370adf71be9c49516fdfa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab7651889ea4ef850e8911fd7cb84d9ba9f66fbbcf370adf71be9c49516fdfa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab7651889ea4ef850e8911fd7cb84d9ba9f66fbbcf370adf71be9c49516fdfa3", kill_on_drop: false }`
[INFO] [stdout] ab7651889ea4ef850e8911fd7cb84d9ba9f66fbbcf370adf71be9c49516fdfa3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+e2d5da3bc6e298ce5f33ab9bd4e47f6a307ec8d0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48bb46a187c3f6913671374debb5a883f3675295fbab071e66ecdbff2b2702dd
[INFO] running `Command { std: "docker" "start" "-a" "48bb46a187c3f6913671374debb5a883f3675295fbab071e66ecdbff2b2702dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.132
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling argh_shared v0.1.7
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking git_commands v0.2.0 (/opt/rustwide/workdir/git_commands)
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling argh_derive v0.1.7
[INFO] [stderr]     Checking argh v0.1.7
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking autosquash v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `random_repo::*`
[INFO] [stdout]  --> examples/../tests/utils/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use random_repo::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `random_repo::*`
[INFO] [stdout]  --> tests/utils/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use random_repo::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_repo_graph` is never used
[INFO] [stdout]    --> examples/../tests/utils/mod.rs:232:8
[INFO] [stdout]     |
[INFO] [stdout] 232 | pub fn get_repo_graph(repo_dir: &Path) -> Result<BTreeMap<String, CommitGraphNode>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_repo` is never used
[INFO] [stdout]  --> examples/../tests/utils/random_repo.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn random_repo(allow_merges: bool) -> CommitDescription {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `git_fixed_dates` is never used
[INFO] [stdout]   --> tests/utils/mod.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn git_fixed_dates() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_temporary_git_repo` is never used
[INFO] [stdout]   --> tests/utils/mod.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn create_temporary_git_repo() -> TempDir {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_git_log_graph` is never used
[INFO] [stdout]   --> tests/utils/mod.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn print_git_log_graph(repo_dir: &Path) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `commit` is never used
[INFO] [stdout]    --> tests/utils/mod.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub fn commit(message: &str) -> CommitDescription {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_repo` is never used
[INFO] [stdout]    --> tests/utils/mod.rs:126:8
[INFO] [stdout]     |
[INFO] [stdout] 126 | pub fn build_repo(root: &CommitDescription, checkout_when_done: Option<&str>) -> TempDir {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_repo_graph` is never used
[INFO] [stdout]    --> tests/utils/mod.rs:232:8
[INFO] [stdout]     |
[INFO] [stdout] 232 | pub fn get_repo_graph(repo_dir: &Path) -> Result<BTreeMap<String, CommitGraphNode>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_repo` is never used
[INFO] [stdout]  --> tests/utils/random_repo.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn random_repo(allow_merges: bool) -> CommitDescription {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.25s
[INFO] running `Command { std: "docker" "inspect" "48bb46a187c3f6913671374debb5a883f3675295fbab071e66ecdbff2b2702dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48bb46a187c3f6913671374debb5a883f3675295fbab071e66ecdbff2b2702dd", kill_on_drop: false }`
[INFO] [stdout] 48bb46a187c3f6913671374debb5a883f3675295fbab071e66ecdbff2b2702dd