[INFO] cloning repository https://github.com/JackMatusiewicz/gadts
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JackMatusiewicz/gadts" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJackMatusiewicz%2Fgadts", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJackMatusiewicz%2Fgadts'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7db293d9684f0ee3d1e01616a15009c186224388
[INFO] checking JackMatusiewicz/gadts against try#b10dae361a61486cfbdcd3aae3877ee17e00d192 for pr-153912
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJackMatusiewicz%2Fgadts" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JackMatusiewicz/gadts
[INFO] finished tweaking git repo https://github.com/JackMatusiewicz/gadts
[INFO] tweaked toml for git repo https://github.com/JackMatusiewicz/gadts written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JackMatusiewicz/gadts on toolchain b10dae361a61486cfbdcd3aae3877ee17e00d192
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b10dae361a61486cfbdcd3aae3877ee17e00d192" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JackMatusiewicz/gadts 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" "+b10dae361a61486cfbdcd3aae3877ee17e00d192" "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 JackMatusiewicz/gadts against try#b10dae361a61486cfbdcd3aae3877ee17e00d192 for pr-153912
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJackMatusiewicz%2Fgadts" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JackMatusiewicz/gadts
[INFO] finished tweaking git repo https://github.com/JackMatusiewicz/gadts
[INFO] tweaked toml for git repo https://github.com/JackMatusiewicz/gadts written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JackMatusiewicz/gadts on toolchain b10dae361a61486cfbdcd3aae3877ee17e00d192
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b10dae361a61486cfbdcd3aae3877ee17e00d192" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JackMatusiewicz/gadts 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" "+b10dae361a61486cfbdcd3aae3877ee17e00d192" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b10dae361a61486cfbdcd3aae3877ee17e00d192" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa708d7a67fb95d983cb407a792abf9151051ada82c50acf9627cf0092356d85
[INFO] running `Command { std: "docker" "start" "-a" "aa708d7a67fb95d983cb407a792abf9151051ada82c50acf9627cf0092356d85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa708d7a67fb95d983cb407a792abf9151051ada82c50acf9627cf0092356d85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa708d7a67fb95d983cb407a792abf9151051ada82c50acf9627cf0092356d85", kill_on_drop: false }`
[INFO] [stdout] aa708d7a67fb95d983cb407a792abf9151051ada82c50acf9627cf0092356d85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b10dae361a61486cfbdcd3aae3877ee17e00d192" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 488220d3fac3fb02c990de4aa27f307b7fbba4db31d5e2c3e62eb7ffb3910c70
[INFO] running `Command { std: "docker" "start" "-a" "488220d3fac3fb02c990de4aa27f307b7fbba4db31d5e2c3e62eb7ffb3910c70", kill_on_drop: false }`
[INFO] [stderr]     Checking gadts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Bool` is never constructed
[INFO] [stdout]  --> src/expr.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Expr<A> {
[INFO] [stdout]   |          ---- variant in this enum
[INFO] [stdout] 5 |     Int(i32, Teq<A, i32>),
[INFO] [stdout] 6 |     Bool(bool, Teq<A, bool>),
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Bool` is never constructed
[INFO] [stdout]  --> src/expr.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Expr<A> {
[INFO] [stdout]   |          ---- variant in this enum
[INFO] [stdout] 5 |     Int(i32, Teq<A, i32>),
[INFO] [stdout] 6 |     Bool(bool, Teq<A, bool>),
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BoolExpr` is never constructed
[INFO] [stdout]   --> src/expr_t.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct BoolExpr(pub(crate) bool);
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `to` is never used
[INFO] [stdout]   --> src/teq.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl<A, B> Teq<A, B> {
[INFO] [stdout]    | -------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn to(t: &Teq<A, B>, v: A) -> B {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BoolExpr` is never constructed
[INFO] [stdout]   --> src/expr_t.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct BoolExpr(pub(crate) bool);
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `to` is never used
[INFO] [stdout]   --> src/teq.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl<A, B> Teq<A, B> {
[INFO] [stdout]    | -------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn to(t: &Teq<A, B>, v: A) -> B {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "488220d3fac3fb02c990de4aa27f307b7fbba4db31d5e2c3e62eb7ffb3910c70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "488220d3fac3fb02c990de4aa27f307b7fbba4db31d5e2c3e62eb7ffb3910c70", kill_on_drop: false }`
[INFO] [stdout] 488220d3fac3fb02c990de4aa27f307b7fbba4db31d5e2c3e62eb7ffb3910c70