[INFO] cloning repository https://github.com/mohanson/wasc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mohanson/wasc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmohanson%2Fwasc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmohanson%2Fwasc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 874c125551360249d927ca717de1df208553029e
[INFO] checking mohanson/wasc against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmohanson%2Fwasc" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mohanson/wasc 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/mohanson/wasc
[INFO] finished tweaking git repo https://github.com/mohanson/wasc
[INFO] tweaked toml for git repo https://github.com/mohanson/wasc written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mohanson/wasc 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 rog v0.1.8
[INFO] [stderr]   Downloaded wasmparser v0.51.4
[INFO] [stderr]   Downloaded ckb-vm-definitions v0.19.1
[INFO] [stderr]   Downloaded scroll_derive v0.10.2
[INFO] [stderr]   Downloaded scroll v0.10.1
[INFO] [stderr]   Downloaded generator v0.6.21
[INFO] [stderr]   Downloaded bytes v0.5.5
[INFO] [stderr]   Downloaded derive_more v0.99.9
[INFO] [stderr]   Downloaded loom v0.3.4
[INFO] [stderr]   Downloaded ckb-vm v0.19.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ae3aa08570c82b44f6ece09df0d91337fdd132fe167385763dbef1ca32c9d895
[INFO] running `Command { std: "docker" "start" "-a" "ae3aa08570c82b44f6ece09df0d91337fdd132fe167385763dbef1ca32c9d895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae3aa08570c82b44f6ece09df0d91337fdd132fe167385763dbef1ca32c9d895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae3aa08570c82b44f6ece09df0d91337fdd132fe167385763dbef1ca32c9d895", kill_on_drop: false }`
[INFO] [stdout] ae3aa08570c82b44f6ece09df0d91337fdd132fe167385763dbef1ca32c9d895
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 92864aaa37fcf3cf3c0dd7a3f2074b757de2299d90e34049c012d8ca59e8c935
[INFO] running `Command { std: "docker" "start" "-a" "92864aaa37fcf3cf3c0dd7a3f2074b757de2299d90e34049c012d8ca59e8c935", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking wasmparser v0.51.4
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]     Checking rog v0.1.8
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking ckb-vm-definitions v0.19.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking bytes v0.5.5
[INFO] [stderr]    Compiling ckb-vm v0.19.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking wasc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `memory_type` and `import_name` are never read
[INFO] [stdout]    --> src/aot_generator.rs:268:9
[INFO] [stdout]     |
[INFO] [stdout] 267 |     Host {
[INFO] [stdout]     |     ---- fields in this variant
[INFO] [stdout] 268 |         memory_type: wasmparser::MemoryType,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 269 |         data: Vec<Data>,
[INFO] [stdout] 270 |         import_name: String,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `table_type` is never read
[INFO] [stdout]    --> src/aot_generator.rs:283:9
[INFO] [stdout]     |
[INFO] [stdout] 282 |     Host {
[INFO] [stdout]     |     ---- field in this variant
[INFO] [stdout] 283 |         table_type: wasmparser::TableType,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]    Compiling scroll_derive v0.10.2
[INFO] [stderr]    Compiling derive_more v0.99.9
[INFO] [stderr]     Checking scroll v0.10.1
[INFO] [stderr]     Checking goblin v0.2.3
[INFO] [stdout] warning: fields `memory_type` and `import_name` are never read
[INFO] [stdout]    --> src/aot_generator.rs:268:9
[INFO] [stdout]     |
[INFO] [stdout] 267 |     Host {
[INFO] [stdout]     |     ---- fields in this variant
[INFO] [stdout] 268 |         memory_type: wasmparser::MemoryType,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 269 |         data: Vec<Data>,
[INFO] [stdout] 270 |         import_name: String,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `table_type` is never read
[INFO] [stdout]    --> src/aot_generator.rs:283:9
[INFO] [stdout]     |
[INFO] [stdout] 282 |     Host {
[INFO] [stdout]     |     ---- field in this variant
[INFO] [stdout] 283 |         table_type: wasmparser::TableType,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.42s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "92864aaa37fcf3cf3c0dd7a3f2074b757de2299d90e34049c012d8ca59e8c935", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92864aaa37fcf3cf3c0dd7a3f2074b757de2299d90e34049c012d8ca59e8c935", kill_on_drop: false }`
[INFO] [stdout] 92864aaa37fcf3cf3c0dd7a3f2074b757de2299d90e34049c012d8ca59e8c935
[INFO] checking mohanson/wasc against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmohanson%2Fwasc" "/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/mohanson/wasc 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/mohanson/wasc
[INFO] finished tweaking git repo https://github.com/mohanson/wasc
[INFO] tweaked toml for git repo https://github.com/mohanson/wasc written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mohanson/wasc 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-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_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] 595b08cb56987d2a36a2f5005d0ed56682b4c98c5f47d053b9591b637167efd0
[INFO] running `Command { std: "docker" "start" "-a" "595b08cb56987d2a36a2f5005d0ed56682b4c98c5f47d053b9591b637167efd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "595b08cb56987d2a36a2f5005d0ed56682b4c98c5f47d053b9591b637167efd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "595b08cb56987d2a36a2f5005d0ed56682b4c98c5f47d053b9591b637167efd0", kill_on_drop: false }`
[INFO] [stdout] 595b08cb56987d2a36a2f5005d0ed56682b4c98c5f47d053b9591b637167efd0
[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=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] 9f3aa7e5eb783a4320259de8ef2d2b462d1f8ebe08b695ce85491dc2a26d2921
[INFO] running `Command { std: "docker" "start" "-a" "9f3aa7e5eb783a4320259de8ef2d2b462d1f8ebe08b695ce85491dc2a26d2921", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]     Checking wasmparser v0.51.4
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking rog v0.1.8
[INFO] [stderr]     Checking ckb-vm-definitions v0.19.1
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking bytes v0.5.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling ckb-vm v0.19.1
[INFO] [stderr]     Checking memmap v0.7.0
[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 wasc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `memory_type` and `import_name` are never read
[INFO] [stdout]    --> src/aot_generator.rs:268:9
[INFO] [stdout]     |
[INFO] [stdout] 267 |     Host {
[INFO] [stdout]     |     ---- fields in this variant
[INFO] [stdout] 268 |         memory_type: wasmparser::MemoryType,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 269 |         data: Vec<Data>,
[INFO] [stdout] 270 |         import_name: String,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `table_type` is never read
[INFO] [stdout]    --> src/aot_generator.rs:283:9
[INFO] [stdout]     |
[INFO] [stdout] 282 |     Host {
[INFO] [stdout]     |     ---- field in this variant
[INFO] [stdout] 283 |         table_type: wasmparser::TableType,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling scroll_derive v0.10.2
[INFO] [stderr]    Compiling derive_more v0.99.9
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking scroll v0.10.1
[INFO] [stderr]     Checking goblin v0.2.3
[INFO] [stdout] warning: fields `memory_type` and `import_name` are never read
[INFO] [stdout]    --> src/aot_generator.rs:268:9
[INFO] [stdout]     |
[INFO] [stdout] 267 |     Host {
[INFO] [stdout]     |     ---- fields in this variant
[INFO] [stdout] 268 |         memory_type: wasmparser::MemoryType,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 269 |         data: Vec<Data>,
[INFO] [stdout] 270 |         import_name: String,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `table_type` is never read
[INFO] [stdout]    --> src/aot_generator.rs:283:9
[INFO] [stdout]     |
[INFO] [stdout] 282 |     Host {
[INFO] [stdout]     |     ---- field in this variant
[INFO] [stdout] 283 |         table_type: wasmparser::TableType,
[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 25.25s
[INFO] running `Command { std: "docker" "inspect" "9f3aa7e5eb783a4320259de8ef2d2b462d1f8ebe08b695ce85491dc2a26d2921", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f3aa7e5eb783a4320259de8ef2d2b462d1f8ebe08b695ce85491dc2a26d2921", kill_on_drop: false }`
[INFO] [stdout] 9f3aa7e5eb783a4320259de8ef2d2b462d1f8ebe08b695ce85491dc2a26d2921