[INFO] cloning repository https://github.com/princechauhan1992/hello-world-with-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/princechauhan1992/hello-world-with-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprincechauhan1992%2Fhello-world-with-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprincechauhan1992%2Fhello-world-with-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 89cf4826a526d8240ff895de601850426fb3c90f
[INFO] checking princechauhan1992/hello-world-with-rust against master#c3def263a44e07e09ae6d57abfc8650227fb4972 for pr-118916
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprincechauhan1992%2Fhello-world-with-rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/princechauhan1992/hello-world-with-rust on toolchain c3def263a44e07e09ae6d57abfc8650227fb4972
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c3def263a44e07e09ae6d57abfc8650227fb4972" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/princechauhan1992/hello-world-with-rust
[INFO] finished tweaking git repo https://github.com/princechauhan1992/hello-world-with-rust
[INFO] tweaked toml for git repo https://github.com/princechauhan1992/hello-world-with-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/princechauhan1992/hello-world-with-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" "+c3def263a44e07e09ae6d57abfc8650227fb4972" "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 princechauhan1992/hello-world-with-rust against try#3d5258f568a4b4970d455e4e29f39fd691b5a41a for pr-118916
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprincechauhan1992%2Fhello-world-with-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/princechauhan1992/hello-world-with-rust on toolchain 3d5258f568a4b4970d455e4e29f39fd691b5a41a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3d5258f568a4b4970d455e4e29f39fd691b5a41a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/princechauhan1992/hello-world-with-rust
[INFO] finished tweaking git repo https://github.com/princechauhan1992/hello-world-with-rust
[INFO] tweaked toml for git repo https://github.com/princechauhan1992/hello-world-with-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/princechauhan1992/hello-world-with-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" "+3d5258f568a4b4970d455e4e29f39fd691b5a41a" "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 princechauhan1992/hello-world-with-rust against try#3d5258f568a4b4970d455e4e29f39fd691b5a41a for pr-118916
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprincechauhan1992%2Fhello-world-with-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/princechauhan1992/hello-world-with-rust on toolchain 3d5258f568a4b4970d455e4e29f39fd691b5a41a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3d5258f568a4b4970d455e4e29f39fd691b5a41a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/princechauhan1992/hello-world-with-rust
[INFO] finished tweaking git repo https://github.com/princechauhan1992/hello-world-with-rust
[INFO] tweaked toml for git repo https://github.com/princechauhan1992/hello-world-with-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/princechauhan1992/hello-world-with-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" "+3d5258f568a4b4970d455e4e29f39fd691b5a41a" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+3d5258f568a4b4970d455e4e29f39fd691b5a41a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ff351e050dcbc0efdf62c061c1aeb73e68331a2c5b8a282c76e4408931f1a86
[INFO] running `Command { std: "docker" "start" "-a" "4ff351e050dcbc0efdf62c061c1aeb73e68331a2c5b8a282c76e4408931f1a86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ff351e050dcbc0efdf62c061c1aeb73e68331a2c5b8a282c76e4408931f1a86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ff351e050dcbc0efdf62c061c1aeb73e68331a2c5b8a282c76e4408931f1a86", kill_on_drop: false }`
[INFO] [stdout] 4ff351e050dcbc0efdf62c061c1aeb73e68331a2c5b8a282c76e4408931f1a86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+3d5258f568a4b4970d455e4e29f39fd691b5a41a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d9129d4aee2a926cef4f8126e507f1271ff100f3f8799ac742822458ffc292e
[INFO] running `Command { std: "docker" "start" "-a" "4d9129d4aee2a926cef4f8126e507f1271ff100f3f8799ac742822458ffc292e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking hello-world-with-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "4d9129d4aee2a926cef4f8126e507f1271ff100f3f8799ac742822458ffc292e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d9129d4aee2a926cef4f8126e507f1271ff100f3f8799ac742822458ffc292e", kill_on_drop: false }`
[INFO] [stdout] 4d9129d4aee2a926cef4f8126e507f1271ff100f3f8799ac742822458ffc292e