[INFO] cloning repository https://github.com/muni-town/leaf-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/muni-town/leaf-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuni-town%2Fleaf-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuni-town%2Fleaf-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a041e7cd876ebb77d69a4f95275b9cbe61b46396
[INFO] checking muni-town/leaf-rs against master#c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2 for pr-142712
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuni-town%2Fleaf-rs" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/muni-town/leaf-rs
[INFO] finished tweaking git repo https://github.com/muni-town/leaf-rs
[INFO] tweaked toml for git repo https://github.com/muni-town/leaf-rs written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/muni-town/leaf-rs on toolchain c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/muni-town/leaf-rs 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" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/inkandswitch/keyhive.git`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ed1fe13e6eb8ab5e6dc7f4508688b6ef593f6e147facfdbc46166b639d9e348
[INFO] running `Command { std: "docker" "start" "-a" "7ed1fe13e6eb8ab5e6dc7f4508688b6ef593f6e147facfdbc46166b639d9e348", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ed1fe13e6eb8ab5e6dc7f4508688b6ef593f6e147facfdbc46166b639d9e348", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "f27785e580b3d49d4ac64606db050eff9050afa2ec34da8e1abc657c3cd0df5d", kill_on_drop: false }`
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[INFO] [stderr]     Checking leaf-protocol v0.1.0 (/opt/rustwide/workdir/leaf-protocol)
[INFO] [stdout] warning: unused variable: `bundle_spec`
[INFO] [stdout]    --> leaf-protocol/src/doc.rs:121:33
[INFO] [stdout]     |
[INFO] [stdout] 121 |         fn create_bundle(&self, bundle_spec: beelay_core::BundleSpec) -> beelay_core::CommitBundle {
[INFO] [stdout]     |                                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bundle_spec`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bundle_spec`
[INFO] [stdout]    --> leaf-protocol/src/doc.rs:174:33
[INFO] [stdout]     |
[INFO] [stdout] 174 |         fn create_bundle(&self, bundle_spec: beelay_core::BundleSpec) -> beelay_core::CommitBundle {
[INFO] [stdout]     |                                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bundle_spec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bundle_spec`
[INFO] [stdout]    --> leaf-protocol/src/doc.rs:121:33
[INFO] [stdout]     |
[INFO] [stdout] 121 |         fn create_bundle(&self, bundle_spec: beelay_core::BundleSpec) -> beelay_core::CommitBundle {
[INFO] [stdout]     |                                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bundle_spec`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bundle_spec`
[INFO] [stdout]    --> leaf-protocol/src/doc.rs:174:33
[INFO] [stdout]     |
[INFO] [stdout] 174 |         fn create_bundle(&self, bundle_spec: beelay_core::BundleSpec) -> beelay_core::CommitBundle {
[INFO] [stdout]     |                                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bundle_spec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `doc_id`
[INFO] [stdout]   --> leaf-protocol/examples/bundle.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let doc_id = std::env::args()
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_doc_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `age`
[INFO] [stdout]   --> leaf-protocol/examples/bundle.rs:47:25
[INFO] [stdout]    |
[INFO] [stdout] 47 |                     let age = doc.get(ObjId::Root, "age").unwrap();
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_age`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> leaf-protocol/examples/async-std.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         dbg!(doc);
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let _ = dbg!(doc);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> leaf-protocol/examples/smol.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         dbg!(doc);
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let _ = dbg!(doc);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 49s
[INFO] running `Command { std: "docker" "inspect" "f27785e580b3d49d4ac64606db050eff9050afa2ec34da8e1abc657c3cd0df5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f27785e580b3d49d4ac64606db050eff9050afa2ec34da8e1abc657c3cd0df5d", kill_on_drop: false }`
[INFO] [stdout] f27785e580b3d49d4ac64606db050eff9050afa2ec34da8e1abc657c3cd0df5d