[INFO] cloning repository https://github.com/statianzo/rsturing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/statianzo/rsturing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstatianzo%2Frsturing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstatianzo%2Frsturing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73d027f8f7888d91cafdfc564a5126960cbfcc7b
[INFO] checking statianzo/rsturing against master#426a60abc213b28a7c7198e475476b6e650d871f for pr-129199
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstatianzo%2Frsturing" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/statianzo/rsturing on toolchain 426a60abc213b28a7c7198e475476b6e650d871f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+426a60abc213b28a7c7198e475476b6e650d871f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/statianzo/rsturing
[INFO] finished tweaking git repo https://github.com/statianzo/rsturing
[INFO] tweaked toml for git repo https://github.com/statianzo/rsturing written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/statianzo/rsturing 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" "+426a60abc213b28a7c7198e475476b6e650d871f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[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 statianzo/rsturing against try#2c70eb47850052381670935f807d41647a7dc992 for pr-129199
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstatianzo%2Frsturing" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/statianzo/rsturing on toolchain 2c70eb47850052381670935f807d41647a7dc992
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2c70eb47850052381670935f807d41647a7dc992" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/statianzo/rsturing
[INFO] finished tweaking git repo https://github.com/statianzo/rsturing
[INFO] tweaked toml for git repo https://github.com/statianzo/rsturing written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/statianzo/rsturing 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" "+2c70eb47850052381670935f807d41647a7dc992" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+2c70eb47850052381670935f807d41647a7dc992" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c16f9c99fa83cff6131286508d6d352361d0ce204b612a532198c6515ee2000f
[INFO] running `Command { std: "docker" "start" "-a" "c16f9c99fa83cff6131286508d6d352361d0ce204b612a532198c6515ee2000f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c16f9c99fa83cff6131286508d6d352361d0ce204b612a532198c6515ee2000f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c16f9c99fa83cff6131286508d6d352361d0ce204b612a532198c6515ee2000f", kill_on_drop: false }`
[INFO] [stdout] c16f9c99fa83cff6131286508d6d352361d0ce204b612a532198c6515ee2000f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+2c70eb47850052381670935f807d41647a7dc992" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ab944e24bcdd704076cf5eaf16ed44a2cb3df4c18513da208d7f58dd94b8ebd
[INFO] running `Command { std: "docker" "start" "-a" "2ab944e24bcdd704076cf5eaf16ed44a2cb3df4c18513da208d7f58dd94b8ebd", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking rsturing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `State` is never used
[INFO] [stdout]  --> src/fsm.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum State {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Event` is never used
[INFO] [stdout]   --> src/fsm.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum Event {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Microwave` is never constructed
[INFO] [stdout]   --> src/fsm.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Microwave {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `dispatch` is never used
[INFO] [stdout]   --> src/fsm.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Microwave {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 22 |     fn dispatch(&mut self, event: Event) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `State` is never used
[INFO] [stdout]  --> src/turing.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | type State = usize;
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Cell` is never used
[INFO] [stdout]  --> src/turing.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Cell {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Move` is never used
[INFO] [stdout]   --> src/turing.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum Move {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Transition` is never constructed
[INFO] [stdout]   --> src/turing.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Transition {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Machine` is never constructed
[INFO] [stdout]   --> src/turing.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct Machine {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Tape` is never used
[INFO] [stdout]   --> src/turing.rs:31:6
[INFO] [stdout]    |
[INFO] [stdout] 31 | type Tape = Vec<Cell>;
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/turing.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn run(machine: Machine, code: Tape) -> Tape {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "2ab944e24bcdd704076cf5eaf16ed44a2cb3df4c18513da208d7f58dd94b8ebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ab944e24bcdd704076cf5eaf16ed44a2cb3df4c18513da208d7f58dd94b8ebd", kill_on_drop: false }`
[INFO] [stdout] 2ab944e24bcdd704076cf5eaf16ed44a2cb3df4c18513da208d7f58dd94b8ebd