[INFO] cloning repository https://github.com/Verdex/blue
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Verdex/blue" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVerdex%2Fblue", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVerdex%2Fblue'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c584e9c503c96ce9a62f14bc443d6d2552e77ff
[INFO] checking Verdex/blue against master#00bfd6b2734d9c28a147bf237490995731781fdd for pr-117984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVerdex%2Fblue" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Verdex/blue on toolchain 00bfd6b2734d9c28a147bf237490995731781fdd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Verdex/blue
[INFO] finished tweaking git repo https://github.com/Verdex/blue
[INFO] tweaked toml for git repo https://github.com/Verdex/blue written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Verdex/blue 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" "+00bfd6b2734d9c28a147bf237490995731781fdd" "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 Verdex/blue against try#aa7c6ba69acce8b10a275eabfe6157ea72c8b599 for pr-117984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVerdex%2Fblue" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Verdex/blue on toolchain aa7c6ba69acce8b10a275eabfe6157ea72c8b599
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Verdex/blue
[INFO] finished tweaking git repo https://github.com/Verdex/blue
[INFO] tweaked toml for git repo https://github.com/Verdex/blue written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Verdex/blue 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" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://www.github.com/verdex/intra`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking Verdex/blue against try#aa7c6ba69acce8b10a275eabfe6157ea72c8b599 for pr-117984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVerdex%2Fblue" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Verdex/blue on toolchain aa7c6ba69acce8b10a275eabfe6157ea72c8b599
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Verdex/blue
[INFO] finished tweaking git repo https://github.com/Verdex/blue
[INFO] tweaked toml for git repo https://github.com/Verdex/blue written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Verdex/blue 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" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7b72bfa8c065dfd5ab5e9bf48bfa4dec41d0d976cfb8a1099fdd67d1aa1fca2
[INFO] running `Command { std: "docker" "start" "-a" "f7b72bfa8c065dfd5ab5e9bf48bfa4dec41d0d976cfb8a1099fdd67d1aa1fca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7b72bfa8c065dfd5ab5e9bf48bfa4dec41d0d976cfb8a1099fdd67d1aa1fca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7b72bfa8c065dfd5ab5e9bf48bfa4dec41d0d976cfb8a1099fdd67d1aa1fca2", kill_on_drop: false }`
[INFO] [stdout] f7b72bfa8c065dfd5ab5e9bf48bfa4dec41d0d976cfb8a1099fdd67d1aa1fca2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd9aff441271bda266532a179733f23c6c2cb08ef814c821237e993b6c15acbc
[INFO] running `Command { std: "docker" "start" "-a" "bd9aff441271bda266532a179733f23c6c2cb08ef814c821237e993b6c15acbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling intra v0.1.0 (https://www.github.com/verdex/intra?tag=release-0.1.0#d3324009)
[INFO] [stderr]     Checking blue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/machine.rs:91:25
[INFO] [stdout]    |
[INFO] [stdout] 91 |                         _ => todo!(),
[INFO] [stdout]    |                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/machine.rs:91:25
[INFO] [stdout]    |
[INFO] [stdout] 91 |                         _ => todo!(),
[INFO] [stdout]    |                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `String` and `Pattern` are never constructed
[INFO] [stdout]   --> src/data.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub enum IlData {
[INFO] [stdout]    |          ------ variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 9  |     String(String),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     Pattern(IlPat),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IlData` 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: variants `Float`, `Symbol`, `UnboundVariable`, and `Tuple` are never constructed
[INFO] [stdout]   --> src/data.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum IlPat {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] 17 |     Float(f64),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 18 |     Symbol(String),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 19 |     UnboundVariable(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 20 |     Tuple(Vec<IlPat>),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IlPat` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `String` and `Pattern` are never constructed
[INFO] [stdout]   --> src/data.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub enum IlData {
[INFO] [stdout]    |          ------ variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 9  |     String(String),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     Pattern(IlPat),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IlData` 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: variants `DefVar` and `Exit` are never constructed
[INFO] [stdout]   --> src/data.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub enum Il {
[INFO] [stdout]    |          -- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 27 |     DefVar,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 28 |     DefWord,
[INFO] [stdout] 29 |     Exit,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Il` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Float`, `Symbol`, `UnboundVariable`, and `Tuple` are never constructed
[INFO] [stdout]   --> src/data.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum IlPat {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] 17 |     Float(f64),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 18 |     Symbol(String),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 19 |     UnboundVariable(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 20 |     Tuple(Vec<IlPat>),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IlPat` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get` is never used
[INFO] [stdout]   --> src/data.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl<'a> DefStack<'a> {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn get(&self, name : &String) -> Option<&IlData> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `slice` is never used
[INFO] [stdout]    --> src/machine.rs:108:4
[INFO] [stdout]     |
[INFO] [stdout] 108 | fn slice<'a, T>(input : &'a Vec<T>) -> &'a [T] { &input[..] }
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `DefVar` and `Exit` are never constructed
[INFO] [stdout]   --> src/data.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub enum Il {
[INFO] [stdout]    |          -- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 27 |     DefVar,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 28 |     DefWord,
[INFO] [stdout] 29 |     Exit,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Il` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unbox` is never used
[INFO] [stdout]    --> src/machine.rs:109:4
[INFO] [stdout]     |
[INFO] [stdout] 109 | fn unbox<'a, T>(input : &'a Box<T> ) -> &'a T { &**input }
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get` is never used
[INFO] [stdout]   --> src/data.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl<'a> DefStack<'a> {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn get(&self, name : &String) -> Option<&IlData> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `slice` is never used
[INFO] [stdout]    --> src/machine.rs:108:4
[INFO] [stdout]     |
[INFO] [stdout] 108 | fn slice<'a, T>(input : &'a Vec<T>) -> &'a [T] { &input[..] }
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unbox` is never used
[INFO] [stdout]    --> src/machine.rs:109:4
[INFO] [stdout]     |
[INFO] [stdout] 109 | fn unbox<'a, T>(input : &'a Box<T> ) -> &'a T { &**input }
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "bd9aff441271bda266532a179733f23c6c2cb08ef814c821237e993b6c15acbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd9aff441271bda266532a179733f23c6c2cb08ef814c821237e993b6c15acbc", kill_on_drop: false }`
[INFO] [stdout] bd9aff441271bda266532a179733f23c6c2cb08ef814c821237e993b6c15acbc