[INFO] cloning repository https://github.com/peterwilli/libnostrblog
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/peterwilli/libnostrblog" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeterwilli%2Flibnostrblog", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeterwilli%2Flibnostrblog'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7fb083fb497ac9408ebf514b3822653f7019829b
[INFO] building peterwilli/libnostrblog against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeterwilli%2Flibnostrblog" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/peterwilli/libnostrblog on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/peterwilli/libnostrblog
[INFO] finished tweaking git repo https://github.com/peterwilli/libnostrblog
[INFO] tweaked toml for git repo https://github.com/peterwilli/libnostrblog written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/peterwilli/libnostrblog 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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling libnostrblog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `sync::Arc`
[INFO] [stdout]  --> src/blog/extensions/to_posts.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{borrow::Cow, sync::Arc};
[INFO] [stdout]   |                        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `categories`, `posts`, and `last_pull` are never read
[INFO] [stdout]   --> src/lib.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Blog<'a> {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     categories: RwLock<HashSet<Cow<'a, str>>>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 20 |     posts: RwLock<Vec<Post<'a>>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 21 |     last_pull: Timestamp,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] running `Command { std: "docker" "inspect" "69a19a1010d39a8ff6091b55be4e148c4bebcfe70b7b3fc85a27e40ba9f4510f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69a19a1010d39a8ff6091b55be4e148c4bebcfe70b7b3fc85a27e40ba9f4510f", kill_on_drop: false }`
[INFO] [stdout] 69a19a1010d39a8ff6091b55be4e148c4bebcfe70b7b3fc85a27e40ba9f4510f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 747cb498f0292eb3f5e93bc21f955b51ebbc919735220c97a9db566b4ef39dc0
[INFO] running `Command { std: "docker" "start" "-a" "747cb498f0292eb3f5e93bc21f955b51ebbc919735220c97a9db566b4ef39dc0", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `sync::Arc`
[INFO] [stdout]  --> src/blog/extensions/to_posts.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{borrow::Cow, sync::Arc};
[INFO] [stdout]   |                        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `categories`, `posts`, and `last_pull` are never read
[INFO] [stdout]   --> src/lib.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Blog<'a> {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     categories: RwLock<HashSet<Cow<'a, str>>>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 20 |     posts: RwLock<Vec<Post<'a>>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 21 |     last_pull: Timestamp,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling libnostrblog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `spawn_local`
[INFO] [stdout]  --> src/tests.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 |     task::{LocalSet, spawn_local},
[INFO] [stdout]   |                      ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sync::Arc`
[INFO] [stdout]  --> src/blog/extensions/to_posts.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{borrow::Cow, sync::Arc};
[INFO] [stdout]   |                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `categories`, `posts`, and `last_pull` are never read
[INFO] [stdout]   --> src/lib.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Blog<'a> {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     categories: RwLock<HashSet<Cow<'a, str>>>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 20 |     posts: RwLock<Vec<Post<'a>>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 21 |     last_pull: Timestamp,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.24s
[INFO] running `Command { std: "docker" "inspect" "747cb498f0292eb3f5e93bc21f955b51ebbc919735220c97a9db566b4ef39dc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "747cb498f0292eb3f5e93bc21f955b51ebbc919735220c97a9db566b4ef39dc0", kill_on_drop: false }`
[INFO] [stdout] 747cb498f0292eb3f5e93bc21f955b51ebbc919735220c97a9db566b4ef39dc0