[INFO] cloning repository https://github.com/ShubhamkumarAnand/Rust-Programming [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ShubhamkumarAnand/Rust-Programming" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShubhamkumarAnand%2FRust-Programming", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShubhamkumarAnand%2FRust-Programming'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 896f7d83e827addac0149b0a867690f94ba1709f [INFO] checking ShubhamkumarAnand/Rust-Programming against master#accc516128b21e960b1a7af45393e9acdd184890 for pr-122501 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShubhamkumarAnand%2FRust-Programming" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ShubhamkumarAnand/Rust-Programming on toolchain accc516128b21e960b1a7af45393e9acdd184890 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+accc516128b21e960b1a7af45393e9acdd184890" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ShubhamkumarAnand/Rust-Programming [INFO] finished tweaking git repo https://github.com/ShubhamkumarAnand/Rust-Programming [INFO] tweaked toml for git repo https://github.com/ShubhamkumarAnand/Rust-Programming written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ShubhamkumarAnand/Rust-Programming 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" "+accc516128b21e960b1a7af45393e9acdd184890" "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 ShubhamkumarAnand/Rust-Programming against try#32f93a5733992b29f321831b7e26c1f7d7205013 for pr-122501 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShubhamkumarAnand%2FRust-Programming" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ShubhamkumarAnand/Rust-Programming on toolchain 32f93a5733992b29f321831b7e26c1f7d7205013 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+32f93a5733992b29f321831b7e26c1f7d7205013" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ShubhamkumarAnand/Rust-Programming [INFO] finished tweaking git repo https://github.com/ShubhamkumarAnand/Rust-Programming [INFO] tweaked toml for git repo https://github.com/ShubhamkumarAnand/Rust-Programming written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ShubhamkumarAnand/Rust-Programming 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" "+32f93a5733992b29f321831b7e26c1f7d7205013" "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 ShubhamkumarAnand/Rust-Programming against try#32f93a5733992b29f321831b7e26c1f7d7205013 for pr-122501 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShubhamkumarAnand%2FRust-Programming" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ShubhamkumarAnand/Rust-Programming on toolchain 32f93a5733992b29f321831b7e26c1f7d7205013 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+32f93a5733992b29f321831b7e26c1f7d7205013" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ShubhamkumarAnand/Rust-Programming [INFO] finished tweaking git repo https://github.com/ShubhamkumarAnand/Rust-Programming [INFO] tweaked toml for git repo https://github.com/ShubhamkumarAnand/Rust-Programming written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ShubhamkumarAnand/Rust-Programming 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" "+32f93a5733992b29f321831b7e26c1f7d7205013" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+32f93a5733992b29f321831b7e26c1f7d7205013" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2bbc76f38cd9283f095ee158171323226991304504c4c6cb4eaa1197879daee6 [INFO] running `Command { std: "docker" "start" "-a" "2bbc76f38cd9283f095ee158171323226991304504c4c6cb4eaa1197879daee6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2bbc76f38cd9283f095ee158171323226991304504c4c6cb4eaa1197879daee6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2bbc76f38cd9283f095ee158171323226991304504c4c6cb4eaa1197879daee6", kill_on_drop: false }` [INFO] [stdout] 2bbc76f38cd9283f095ee158171323226991304504c4c6cb4eaa1197879daee6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+32f93a5733992b29f321831b7e26c1f7d7205013" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 419182bde662c1e3919a6fa3a5d185c40d272bf56371a90c4397c239751739bd [INFO] running `Command { std: "docker" "start" "-a" "419182bde662c1e3919a6fa3a5d185c40d272bf56371a90c4397c239751739bd", kill_on_drop: false }` [INFO] [stderr] Checking rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] running `Command { std: "docker" "inspect" "419182bde662c1e3919a6fa3a5d185c40d272bf56371a90c4397c239751739bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "419182bde662c1e3919a6fa3a5d185c40d272bf56371a90c4397c239751739bd", kill_on_drop: false }` [INFO] [stdout] 419182bde662c1e3919a6fa3a5d185c40d272bf56371a90c4397c239751739bd