[INFO] cloning repository https://github.com/juanbono/programming_bitcoin_chapter2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/juanbono/programming_bitcoin_chapter2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuanbono%2Fprogramming_bitcoin_chapter2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuanbono%2Fprogramming_bitcoin_chapter2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1073c1a09e808d60753b3da6b93518a7aeb04d36
[INFO] checking juanbono/programming_bitcoin_chapter2 against master#d2e8ecd8bd26a22111cdebfb813258450b07fbf0 for pr-121199
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuanbono%2Fprogramming_bitcoin_chapter2" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/juanbono/programming_bitcoin_chapter2 on toolchain d2e8ecd8bd26a22111cdebfb813258450b07fbf0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d2e8ecd8bd26a22111cdebfb813258450b07fbf0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/juanbono/programming_bitcoin_chapter2
[INFO] finished tweaking git repo https://github.com/juanbono/programming_bitcoin_chapter2
[INFO] tweaked toml for git repo https://github.com/juanbono/programming_bitcoin_chapter2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/juanbono/programming_bitcoin_chapter2 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" "+d2e8ecd8bd26a22111cdebfb813258450b07fbf0" "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 juanbono/programming_bitcoin_chapter2 against try#aface909a877127f24c62858518cef2d593e2ea1 for pr-121199
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuanbono%2Fprogramming_bitcoin_chapter2" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/juanbono/programming_bitcoin_chapter2 on toolchain aface909a877127f24c62858518cef2d593e2ea1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aface909a877127f24c62858518cef2d593e2ea1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/juanbono/programming_bitcoin_chapter2
[INFO] finished tweaking git repo https://github.com/juanbono/programming_bitcoin_chapter2
[INFO] tweaked toml for git repo https://github.com/juanbono/programming_bitcoin_chapter2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/juanbono/programming_bitcoin_chapter2 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" "+aface909a877127f24c62858518cef2d593e2ea1" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+aface909a877127f24c62858518cef2d593e2ea1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 621b69a4afeb999e17ff6f149f785beb926bbb403da6ad025647e361c7933619
[INFO] running `Command { std: "docker" "start" "-a" "621b69a4afeb999e17ff6f149f785beb926bbb403da6ad025647e361c7933619", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "621b69a4afeb999e17ff6f149f785beb926bbb403da6ad025647e361c7933619", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "621b69a4afeb999e17ff6f149f785beb926bbb403da6ad025647e361c7933619", kill_on_drop: false }`
[INFO] [stdout] 621b69a4afeb999e17ff6f149f785beb926bbb403da6ad025647e361c7933619
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+aface909a877127f24c62858518cef2d593e2ea1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a197af6a461388fce37795b984bc3846cf031d8f0fd36f9afedbaf25af86b11e
[INFO] running `Command { std: "docker" "start" "-a" "a197af6a461388fce37795b984bc3846cf031d8f0fd36f9afedbaf25af86b11e", kill_on_drop: false }`
[INFO] [stderr]     Checking programming_bitcoin_2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `Point_i32` should have an upper camel case name
[INFO] [stdout]    --> src/point.rs:121:10
[INFO] [stdout]     |
[INFO] [stdout] 121 |     type Point_i32 = Point<5, 7, i32>;
[INFO] [stdout]     |          ^^^^^^^^^ help: convert the identifier to upper camel case: `PointI32`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Number` is never constructed
[INFO] [stdout]  --> src/point.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Value<T: Add> {
[INFO] [stdout]   |          ----- variant in this enum
[INFO] [stdout] 6 |     Number(T),
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Value` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/point.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | / impl<const A: i32, const B: i32, T: Add<Output = T> + Mul<Output = T>> Point<A, B, T>
[INFO] [stdout] 17 | | where
[INFO] [stdout] 18 | |     T: From<i32> + PartialEq + Copy,
[INFO] [stdout]    | |____________________________________- associated function in this implementation
[INFO] [stdout] 19 |   {
[INFO] [stdout] 20 |       pub fn new(x: Value<T>, y: Value<T>) -> Result<Point<A, B, T>, String> {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings 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 0.07s
[INFO] running `Command { std: "docker" "inspect" "a197af6a461388fce37795b984bc3846cf031d8f0fd36f9afedbaf25af86b11e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a197af6a461388fce37795b984bc3846cf031d8f0fd36f9afedbaf25af86b11e", kill_on_drop: false }`
[INFO] [stdout] a197af6a461388fce37795b984bc3846cf031d8f0fd36f9afedbaf25af86b11e