[INFO] cloning repository https://github.com/mingmedia/rojo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mingmedia/rojo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmingmedia%2Frojo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmingmedia%2Frojo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ceaada10b6111872872eddc450dbf55734049b8
[INFO] checking mingmedia/rojo against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmingmedia%2Frojo" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mingmedia/rojo on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/mingmedia/rojo
[INFO] finished tweaking git repo https://github.com/mingmedia/rojo
[INFO] tweaked toml for git repo https://github.com/mingmedia/rojo written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mingmedia/rojo 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracy-client v0.13.2
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[INFO] [stderr]   Downloaded rbx_xml v0.13.3
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[INFO] [stderr]   Downloaded openssl-src v300.1.5+3.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 992de6dbe18a87c731849c6bb25afcfdd05d4c0e2dad842b529d39c1dc107d39
[INFO] running `Command { std: "docker" "start" "-a" "992de6dbe18a87c731849c6bb25afcfdd05d4c0e2dad842b529d39c1dc107d39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "992de6dbe18a87c731849c6bb25afcfdd05d4c0e2dad842b529d39c1dc107d39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "992de6dbe18a87c731849c6bb25afcfdd05d4c0e2dad842b529d39c1dc107d39", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e9eccece72840d63b477d8430dacc87dc3e709e783b03ed9a7c53e2cdfca632
[INFO] running `Command { std: "docker" "start" "-a" "9e9eccece72840d63b477d8430dacc87dc3e709e783b03ed9a7c53e2cdfca632", kill_on_drop: false }`
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[INFO] [stdout] warning: the item `Variant` is imported redundantly
[INFO] [stdout]    --> src/snapshot/patch_apply.rs:300:9
[INFO] [stdout]     |
[INFO] [stdout] 295 |     use super::*;
[INFO] [stdout]     |         -------- the item `Variant` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 300 |     use rbx_dom_weak::types::Variant;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DisplayLua` is never constructed
[INFO] [stdout]   --> src/lua_ast.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct DisplayLua<T>(T);
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash_tree_no_descendants` is never used
[INFO] [stdout]   --> src/syncback/hash/mod.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn hash_tree_no_descendants(dom: &WeakDom) -> HashMap<Ref, Hash> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash_tree_no_descendants` is never used
[INFO] [stdout]   --> src/syncback/hash/mod.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn hash_tree_no_descendants(dom: &WeakDom) -> HashMap<Ref, Hash> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DisplayLua` is never constructed
[INFO] [stdout]   --> src/lua_ast.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct DisplayLua<T>(T);
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash_tree_no_descendants` is never used
[INFO] [stdout]   --> src/syncback/hash/mod.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn hash_tree_no_descendants(dom: &WeakDom) -> HashMap<Ref, Hash> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6m 04s
[INFO] running `Command { std: "docker" "inspect" "9e9eccece72840d63b477d8430dacc87dc3e709e783b03ed9a7c53e2cdfca632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e9eccece72840d63b477d8430dacc87dc3e709e783b03ed9a7c53e2cdfca632", kill_on_drop: false }`
[INFO] [stdout] 9e9eccece72840d63b477d8430dacc87dc3e709e783b03ed9a7c53e2cdfca632