[INFO] cloning repository https://github.com/TakuKitamura/rbxlx-to-rojo-json
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TakuKitamura/rbxlx-to-rojo-json" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTakuKitamura%2Frbxlx-to-rojo-json", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTakuKitamura%2Frbxlx-to-rojo-json'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 513a53ecb4ca35802f19806125eeaf7652cbedda
[INFO] checking TakuKitamura/rbxlx-to-rojo-json against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTakuKitamura%2Frbxlx-to-rojo-json" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TakuKitamura/rbxlx-to-rojo-json 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] started tweaking git repo https://github.com/TakuKitamura/rbxlx-to-rojo-json
[INFO] finished tweaking git repo https://github.com/TakuKitamura/rbxlx-to-rojo-json
[INFO] tweaked toml for git repo https://github.com/TakuKitamura/rbxlx-to-rojo-json written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/TakuKitamura/rbxlx-to-rojo-json 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 git repository `https://github.com/rojo-rbx/rbx-dom.git`
[INFO] [stderr]     Updating git submodule `https://github.com/rojo-rbx/rbx-test-files.git`
[INFO] [stderr]     Updating git submodule `https://github.com/Roblox/testez.git`
[INFO] [stderr]     Updating git submodule `https://github.com/LPGhatguy/lemur.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rmp-serde v0.14.4
[INFO] [stderr]   Downloaded rmp v0.8.10
[INFO] [stderr]   Downloaded blake3 v0.1.5
[INFO] [stderr]   Downloaded libc v0.2.95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] bc78082f66b5ae04039749f70c5f01085453b01652280148d16377747512b6a7
[INFO] running `Command { std: "docker" "start" "-a" "bc78082f66b5ae04039749f70c5f01085453b01652280148d16377747512b6a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc78082f66b5ae04039749f70c5f01085453b01652280148d16377747512b6a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc78082f66b5ae04039749f70c5f01085453b01652280148d16377747512b6a7", kill_on_drop: false }`
[INFO] [stdout] bc78082f66b5ae04039749f70c5f01085453b01652280148d16377747512b6a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 03ee7b388efbb019c44a012337df453ed4304ef347f53c8072fdcddb60a3d5e6
[INFO] running `Command { std: "docker" "start" "-a" "03ee7b388efbb019c44a012337df453ed4304ef347f53c8072fdcddb60a3d5e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]    Compiling blake3 v0.1.5
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking rmp v0.8.10
[INFO] [stderr]     Checking rbx_types v0.3.1 (https://github.com/rojo-rbx/rbx-dom.git#6ab5f66f)
[INFO] [stderr]     Checking rmp-serde v0.14.4
[INFO] [stderr]     Checking rbx_reflection v4.0.0-alpha.1 (https://github.com/rojo-rbx/rbx-dom.git#6ab5f66f)
[INFO] [stderr]     Checking rbx_dom_weak v2.0.0-alpha.1 (https://github.com/rojo-rbx/rbx-dom.git#6ab5f66f)
[INFO] [stderr]     Checking rbx_reflection_database v0.1.1+roblox-478 (https://github.com/rojo-rbx/rbx-dom.git#6ab5f66f)
[INFO] [stderr]     Checking rbx_xml v0.12.0-alpha.4 (https://github.com/rojo-rbx/rbx-dom.git#6ab5f66f)
[INFO] [stderr]     Checking rbxlx-to-rojo-json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `next_access_path` is never read
[INFO] [stdout]    --> src/main.rs:314:13
[INFO] [stdout]     |
[INFO] [stdout] 314 |     let mut next_access_path: Vec<String> = Vec::new();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `refs_array` is never read
[INFO] [stdout]    --> src/main.rs:324:17
[INFO] [stdout]     |
[INFO] [stdout] 324 |         let mut refs_array = Vec::new();
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `next_access_path` is never read
[INFO] [stdout]    --> src/main.rs:314:13
[INFO] [stdout]     |
[INFO] [stdout] 314 |     let mut next_access_path: Vec<String> = Vec::new();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `refs_array` is never read
[INFO] [stdout]    --> src/main.rs:324:17
[INFO] [stdout]     |
[INFO] [stdout] 324 |         let mut refs_array = Vec::new();
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.62s
[INFO] running `Command { std: "docker" "inspect" "03ee7b388efbb019c44a012337df453ed4304ef347f53c8072fdcddb60a3d5e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03ee7b388efbb019c44a012337df453ed4304ef347f53c8072fdcddb60a3d5e6", kill_on_drop: false }`
[INFO] [stdout] 03ee7b388efbb019c44a012337df453ed4304ef347f53c8072fdcddb60a3d5e6
[INFO] checking TakuKitamura/rbxlx-to-rojo-json against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTakuKitamura%2Frbxlx-to-rojo-json" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TakuKitamura/rbxlx-to-rojo-json on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TakuKitamura/rbxlx-to-rojo-json
[INFO] finished tweaking git repo https://github.com/TakuKitamura/rbxlx-to-rojo-json
[INFO] tweaked toml for git repo https://github.com/TakuKitamura/rbxlx-to-rojo-json written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/TakuKitamura/rbxlx-to-rojo-json 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 294a8e54542f4d3796757b4a3b435e89e7a5d813b55d9a45c09bd28443362b78
[INFO] running `Command { std: "docker" "start" "-a" "294a8e54542f4d3796757b4a3b435e89e7a5d813b55d9a45c09bd28443362b78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "294a8e54542f4d3796757b4a3b435e89e7a5d813b55d9a45c09bd28443362b78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "294a8e54542f4d3796757b4a3b435e89e7a5d813b55d9a45c09bd28443362b78", kill_on_drop: false }`
[INFO] [stdout] 294a8e54542f4d3796757b4a3b435e89e7a5d813b55d9a45c09bd28443362b78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 100325282de4543b5de898d514f46f8a058d8444ebaa045bbbbcf62da29f68b7
[INFO] running `Command { std: "docker" "start" "-a" "100325282de4543b5de898d514f46f8a058d8444ebaa045bbbbcf62da29f68b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling blake3 v0.1.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking rmp v0.8.10
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking rbx_types v0.3.1 (https://github.com/rojo-rbx/rbx-dom.git#6ab5f66f)
[INFO] [stderr]     Checking rmp-serde v0.14.4
[INFO] [stderr]     Checking rbx_reflection v4.0.0-alpha.1 (https://github.com/rojo-rbx/rbx-dom.git#6ab5f66f)
[INFO] [stderr]     Checking rbx_dom_weak v2.0.0-alpha.1 (https://github.com/rojo-rbx/rbx-dom.git#6ab5f66f)
[INFO] [stderr]     Checking rbx_reflection_database v0.1.1+roblox-478 (https://github.com/rojo-rbx/rbx-dom.git#6ab5f66f)
[INFO] [stderr]     Checking rbx_xml v0.12.0-alpha.4 (https://github.com/rojo-rbx/rbx-dom.git#6ab5f66f)
[INFO] [stderr]     Checking rbxlx-to-rojo-json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `next_access_path` is never read
[INFO] [stdout]    --> src/main.rs:314:13
[INFO] [stdout]     |
[INFO] [stdout] 314 |     let mut next_access_path: Vec<String> = Vec::new();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `next_access_path` is never read
[INFO] [stdout]    --> src/main.rs:314:13
[INFO] [stdout]     |
[INFO] [stdout] 314 |     let mut next_access_path: Vec<String> = Vec::new();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `refs_array` is never read
[INFO] [stdout]    --> src/main.rs:324:17
[INFO] [stdout]     |
[INFO] [stdout] 324 |         let mut refs_array = Vec::new();
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `refs_array` is never read
[INFO] [stdout]    --> src/main.rs:324:17
[INFO] [stdout]     |
[INFO] [stdout] 324 |         let mut refs_array = Vec::new();
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.93s
[INFO] running `Command { std: "docker" "inspect" "100325282de4543b5de898d514f46f8a058d8444ebaa045bbbbcf62da29f68b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "100325282de4543b5de898d514f46f8a058d8444ebaa045bbbbcf62da29f68b7", kill_on_drop: false }`
[INFO] [stdout] 100325282de4543b5de898d514f46f8a058d8444ebaa045bbbbcf62da29f68b7