[INFO] cloning repository https://github.com/deetonn/deelang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/deetonn/deelang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeetonn%2Fdeelang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeetonn%2Fdeelang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bbbd072a903715858bb5081c97d1271a0e060d4a
[INFO] checking deetonn/deelang against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeetonn%2Fdeelang" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/deetonn/deelang 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/deetonn/deelang
[INFO] finished tweaking git repo https://github.com/deetonn/deelang
[INFO] tweaked toml for git repo https://github.com/deetonn/deelang written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/deetonn/deelang 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dyn-clone v1.0.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b3464ba8f9dffa10ebeb413580a19586fca82629d3e800d2a8c9439e98dccf41
[INFO] running `Command { std: "docker" "start" "-a" "b3464ba8f9dffa10ebeb413580a19586fca82629d3e800d2a8c9439e98dccf41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3464ba8f9dffa10ebeb413580a19586fca82629d3e800d2a8c9439e98dccf41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3464ba8f9dffa10ebeb413580a19586fca82629d3e800d2a8c9439e98dccf41", kill_on_drop: false }`
[INFO] [stdout] b3464ba8f9dffa10ebeb413580a19586fca82629d3e800d2a8c9439e98dccf41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 282d7bfa5a386bf5781cb37cff49ad75ce84b8541827f5d7ccdff3a6dc9460a2
[INFO] running `Command { std: "docker" "start" "-a" "282d7bfa5a386bf5781cb37cff49ad75ce84b8541827f5d7ccdff3a6dc9460a2", kill_on_drop: false }`
[INFO] [stderr]     Checking dyn-clone v1.0.13
[INFO] [stderr]     Checking deelang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/typechecker/mod.rs:287:3
[INFO] [stdout]     |
[INFO] [stdout] 287 |   state: &TypeCheckerState,
[INFO] [stdout]     |   ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `facts`
[INFO] [stdout]    --> src/typechecker/mod.rs:288:3
[INFO] [stdout]     |
[INFO] [stdout] 288 |   facts: &StructDeclarationFacts,
[INFO] [stdout]     |   ^^^^^ help: if this is intentional, prefix it with an underscore: `_facts`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FilterForExpression` is never used
[INFO] [stdout]   --> src/parser/mod.rs:51:7
[INFO] [stdout]    |
[INFO] [stdout] 51 | trait FilterForExpression {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/typechecker/mod.rs:287:3
[INFO] [stdout]     |
[INFO] [stdout] 287 |   state: &TypeCheckerState,
[INFO] [stdout]     |   ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `facts`
[INFO] [stdout]    --> src/typechecker/mod.rs:288:3
[INFO] [stdout]     |
[INFO] [stdout] 288 |   facts: &StructDeclarationFacts,
[INFO] [stdout]     |   ^^^^^ help: if this is intentional, prefix it with an underscore: `_facts`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FilterForExpression` is never used
[INFO] [stdout]   --> src/parser/mod.rs:51:7
[INFO] [stdout]    |
[INFO] [stdout] 51 | trait FilterForExpression {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "282d7bfa5a386bf5781cb37cff49ad75ce84b8541827f5d7ccdff3a6dc9460a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "282d7bfa5a386bf5781cb37cff49ad75ce84b8541827f5d7ccdff3a6dc9460a2", kill_on_drop: false }`
[INFO] [stdout] 282d7bfa5a386bf5781cb37cff49ad75ce84b8541827f5d7ccdff3a6dc9460a2
[INFO] checking deetonn/deelang against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeetonn%2Fdeelang" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/deetonn/deelang 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/deetonn/deelang
[INFO] finished tweaking git repo https://github.com/deetonn/deelang
[INFO] tweaked toml for git repo https://github.com/deetonn/deelang written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/deetonn/deelang 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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 096333c177b63033182b4ead6de7d30fcc67bbf34f76b8827d0bb718caa4061d
[INFO] running `Command { std: "docker" "start" "-a" "096333c177b63033182b4ead6de7d30fcc67bbf34f76b8827d0bb718caa4061d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "096333c177b63033182b4ead6de7d30fcc67bbf34f76b8827d0bb718caa4061d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "096333c177b63033182b4ead6de7d30fcc67bbf34f76b8827d0bb718caa4061d", kill_on_drop: false }`
[INFO] [stdout] 096333c177b63033182b4ead6de7d30fcc67bbf34f76b8827d0bb718caa4061d
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdf02d1d1e9bc4e73dfbeb4e2b13eacb1f065fdcf81d4803204f0f55ff48334c
[INFO] running `Command { std: "docker" "start" "-a" "fdf02d1d1e9bc4e73dfbeb4e2b13eacb1f065fdcf81d4803204f0f55ff48334c", kill_on_drop: false }`
[INFO] [stderr]     Checking dyn-clone v1.0.13
[INFO] [stderr]     Checking deelang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/typechecker/mod.rs:287:3
[INFO] [stdout]     |
[INFO] [stdout] 287 |   state: &TypeCheckerState,
[INFO] [stdout]     |   ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `facts`
[INFO] [stdout]    --> src/typechecker/mod.rs:288:3
[INFO] [stdout]     |
[INFO] [stdout] 288 |   facts: &StructDeclarationFacts,
[INFO] [stdout]     |   ^^^^^ help: if this is intentional, prefix it with an underscore: `_facts`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FilterForExpression` is never used
[INFO] [stdout]   --> src/parser/mod.rs:51:7
[INFO] [stdout]    |
[INFO] [stdout] 51 | trait FilterForExpression {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/typechecker/mod.rs:287:3
[INFO] [stdout]     |
[INFO] [stdout] 287 |   state: &TypeCheckerState,
[INFO] [stdout]     |   ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `facts`
[INFO] [stdout]    --> src/typechecker/mod.rs:288:3
[INFO] [stdout]     |
[INFO] [stdout] 288 |   facts: &StructDeclarationFacts,
[INFO] [stdout]     |   ^^^^^ help: if this is intentional, prefix it with an underscore: `_facts`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FilterForExpression` is never used
[INFO] [stdout]   --> src/parser/mod.rs:51:7
[INFO] [stdout]    |
[INFO] [stdout] 51 | trait FilterForExpression {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "fdf02d1d1e9bc4e73dfbeb4e2b13eacb1f065fdcf81d4803204f0f55ff48334c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdf02d1d1e9bc4e73dfbeb4e2b13eacb1f065fdcf81d4803204f0f55ff48334c", kill_on_drop: false }`
[INFO] [stdout] fdf02d1d1e9bc4e73dfbeb4e2b13eacb1f065fdcf81d4803204f0f55ff48334c