[INFO] cloning repository https://github.com/sonng/rust-dodger
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sonng/rust-dodger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsonng%2Frust-dodger", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsonng%2Frust-dodger'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c6bb8f52d8e9ad1541927f12815806bf46db995f
[INFO] checking sonng/rust-dodger against master#1280928a99ad3ef2c5735b42dc8852456ae3b974 for pr-120798
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsonng%2Frust-dodger" "/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/sonng/rust-dodger on toolchain 1280928a99ad3ef2c5735b42dc8852456ae3b974
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sonng/rust-dodger
[INFO] finished tweaking git repo https://github.com/sonng/rust-dodger
[INFO] tweaked toml for git repo https://github.com/sonng/rust-dodger written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sonng/rust-dodger 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" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "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 sonng/rust-dodger against try#9b9e20bc79549d80ab413f49d990713851172cc1 for pr-120798
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsonng%2Frust-dodger" "/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/sonng/rust-dodger on toolchain 9b9e20bc79549d80ab413f49d990713851172cc1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b9e20bc79549d80ab413f49d990713851172cc1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sonng/rust-dodger
[INFO] finished tweaking git repo https://github.com/sonng/rust-dodger
[INFO] tweaked toml for git repo https://github.com/sonng/rust-dodger written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sonng/rust-dodger 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" "+9b9e20bc79549d80ab413f49d990713851172cc1" "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 sonng/rust-dodger against try#9b9e20bc79549d80ab413f49d990713851172cc1 for pr-120798
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsonng%2Frust-dodger" "/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/sonng/rust-dodger on toolchain 9b9e20bc79549d80ab413f49d990713851172cc1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b9e20bc79549d80ab413f49d990713851172cc1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sonng/rust-dodger
[INFO] finished tweaking git repo https://github.com/sonng/rust-dodger
[INFO] tweaked toml for git repo https://github.com/sonng/rust-dodger written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sonng/rust-dodger 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" "+9b9e20bc79549d80ab413f49d990713851172cc1" "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" "+9b9e20bc79549d80ab413f49d990713851172cc1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c54ae1c474d98e1f37140f34bca409b82d69abc76e9c31ec3b092ba5d6b9b1d
[INFO] running `Command { std: "docker" "start" "-a" "3c54ae1c474d98e1f37140f34bca409b82d69abc76e9c31ec3b092ba5d6b9b1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c54ae1c474d98e1f37140f34bca409b82d69abc76e9c31ec3b092ba5d6b9b1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c54ae1c474d98e1f37140f34bca409b82d69abc76e9c31ec3b092ba5d6b9b1d", kill_on_drop: false }`
[INFO] [stdout] 3c54ae1c474d98e1f37140f34bca409b82d69abc76e9c31ec3b092ba5d6b9b1d
[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" "+9b9e20bc79549d80ab413f49d990713851172cc1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 913867d6454cbf49e21000c72e3935f5b26327f052ff167c17344a44fe994491
[INFO] running `Command { std: "docker" "start" "-a" "913867d6454cbf49e21000c72e3935f5b26327f052ff167c17344a44fe994491", kill_on_drop: false }`
[INFO] [stderr]     Checking Dodger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `Dodger` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `dodger`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Dodger` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `dodger`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "913867d6454cbf49e21000c72e3935f5b26327f052ff167c17344a44fe994491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "913867d6454cbf49e21000c72e3935f5b26327f052ff167c17344a44fe994491", kill_on_drop: false }`
[INFO] [stdout] 913867d6454cbf49e21000c72e3935f5b26327f052ff167c17344a44fe994491