[INFO] cloning repository https://github.com/NothingRealm/network_simulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NothingRealm/network_simulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNothingRealm%2Fnetwork_simulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNothingRealm%2Fnetwork_simulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 587b7d6debf661656eb79b9b7b531506617a1d6f
[INFO] checking NothingRealm/network_simulator against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNothingRealm%2Fnetwork_simulator" "/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/NothingRealm/network_simulator on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NothingRealm/network_simulator
[INFO] finished tweaking git repo https://github.com/NothingRealm/network_simulator
[INFO] tweaked toml for git repo https://github.com/NothingRealm/network_simulator written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/NothingRealm/network_simulator 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" "+b0696a5160711c068cb1f01b7437db7990d15750" "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 NothingRealm/network_simulator against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNothingRealm%2Fnetwork_simulator" "/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/NothingRealm/network_simulator on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NothingRealm/network_simulator
[INFO] finished tweaking git repo https://github.com/NothingRealm/network_simulator
[INFO] tweaked toml for git repo https://github.com/NothingRealm/network_simulator written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/NothingRealm/network_simulator 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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "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 NothingRealm/network_simulator against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNothingRealm%2Fnetwork_simulator" "/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/NothingRealm/network_simulator on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NothingRealm/network_simulator
[INFO] finished tweaking git repo https://github.com/NothingRealm/network_simulator
[INFO] tweaked toml for git repo https://github.com/NothingRealm/network_simulator written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/NothingRealm/network_simulator 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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec1ac60f52e4b5222d7ad9953ec77fe23c691ccd45b5dff4d1ad1d142560afce
[INFO] running `Command { std: "docker" "start" "-a" "ec1ac60f52e4b5222d7ad9953ec77fe23c691ccd45b5dff4d1ad1d142560afce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec1ac60f52e4b5222d7ad9953ec77fe23c691ccd45b5dff4d1ad1d142560afce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec1ac60f52e4b5222d7ad9953ec77fe23c691ccd45b5dff4d1ad1d142560afce", kill_on_drop: false }`
[INFO] [stdout] ec1ac60f52e4b5222d7ad9953ec77fe23c691ccd45b5dff4d1ad1d142560afce
[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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dde7ee9d06eb85174f4014977ddb09e8546ea22c8216a17ecb2ff1221182d463
[INFO] running `Command { std: "docker" "start" "-a" "dde7ee9d06eb85174f4014977ddb09e8546ea22c8216a17ecb2ff1221182d463", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking network_simulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/server/udp.rs:455:39
[INFO] [stdout]     |
[INFO] [stdout] 455 |             Server::forward_get(socket.clone(), &req_file, hosts.clone(),
[INFO] [stdout]     |                                       ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `UdpSocket` does not implement `Clone`, so calling `clone` on `&UdpSocket` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 455 -             Server::forward_get(socket.clone(), &req_file, hosts.clone(),
[INFO] [stdout] 455 +             Server::forward_get(socket, &req_file, hosts.clone(),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/server/udp.rs:455:39
[INFO] [stdout]     |
[INFO] [stdout] 455 |             Server::forward_get(socket.clone(), &req_file, hosts.clone(),
[INFO] [stdout]     |                                       ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `UdpSocket` does not implement `Clone`, so calling `clone` on `&UdpSocket` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 455 -             Server::forward_get(socket.clone(), &req_file, hosts.clone(),
[INFO] [stdout] 455 +             Server::forward_get(socket, &req_file, hosts.clone(),
[INFO] [stdout]     |
[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` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "dde7ee9d06eb85174f4014977ddb09e8546ea22c8216a17ecb2ff1221182d463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dde7ee9d06eb85174f4014977ddb09e8546ea22c8216a17ecb2ff1221182d463", kill_on_drop: false }`
[INFO] [stdout] dde7ee9d06eb85174f4014977ddb09e8546ea22c8216a17ecb2ff1221182d463
