[INFO] fetching crate workflow-wasm-macros 0.8.1...
[INFO] checking workflow-wasm-macros-0.8.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate workflow-wasm-macros 0.8.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate workflow-wasm-macros 0.8.1 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 crates.io crate workflow-wasm-macros 0.8.1
[INFO] finished tweaking crates.io crate workflow-wasm-macros 0.8.1
[INFO] tweaked toml for crates.io crate workflow-wasm-macros 0.8.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 19 packages
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[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] 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] ba6f58e49a17b68080643463e1012d3102e9c6c859f32d51ce9d5502d02ed084
[INFO] running `Command { std: "docker" "start" "-a" "ba6f58e49a17b68080643463e1012d3102e9c6c859f32d51ce9d5502d02ed084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba6f58e49a17b68080643463e1012d3102e9c6c859f32d51ce9d5502d02ed084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba6f58e49a17b68080643463e1012d3102e9c6c859f32d51ce9d5502d02ed084", kill_on_drop: false }`
[INFO] [stdout] ba6f58e49a17b68080643463e1012d3102e9c6c859f32d51ce9d5502d02ed084
[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] 35b2810562e4fbaebe22308f5ee19e5e069a77f9c993a0ca927f7149f4f7ae8f
[INFO] running `Command { std: "docker" "start" "-a" "35b2810562e4fbaebe22308f5ee19e5e069a77f9c993a0ca927f7149f4f7ae8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.92
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]     Checking js-sys v0.3.69
[INFO] [stderr]     Checking workflow-wasm-macros v0.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]    --> src/derive_try_from_jsvalue.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 | use alloc::string::ToString;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `ToString` is already defined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]    --> src/derive_try_from_jsvalue.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 | use alloc::string::ToString;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `ToString` is already defined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.73s
[INFO] running `Command { std: "docker" "inspect" "35b2810562e4fbaebe22308f5ee19e5e069a77f9c993a0ca927f7149f4f7ae8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35b2810562e4fbaebe22308f5ee19e5e069a77f9c993a0ca927f7149f4f7ae8f", kill_on_drop: false }`
[INFO] [stdout] 35b2810562e4fbaebe22308f5ee19e5e069a77f9c993a0ca927f7149f4f7ae8f
[INFO] checking workflow-wasm-macros-0.8.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate workflow-wasm-macros 0.8.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate workflow-wasm-macros 0.8.1 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 crates.io crate workflow-wasm-macros 0.8.1
[INFO] finished tweaking crates.io crate workflow-wasm-macros 0.8.1
[INFO] tweaked toml for crates.io crate workflow-wasm-macros 0.8.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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] 7b456cb1facc589ffb84611242f79426ddb1cec18341c251e2a9e89c74728f8e
[INFO] running `Command { std: "docker" "start" "-a" "7b456cb1facc589ffb84611242f79426ddb1cec18341c251e2a9e89c74728f8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b456cb1facc589ffb84611242f79426ddb1cec18341c251e2a9e89c74728f8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b456cb1facc589ffb84611242f79426ddb1cec18341c251e2a9e89c74728f8e", kill_on_drop: false }`
[INFO] [stdout] 7b456cb1facc589ffb84611242f79426ddb1cec18341c251e2a9e89c74728f8e
[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] f91640911f2f8559736f3068ae48d2115c816bff45c5d2cf2144a15ba174509f
[INFO] running `Command { std: "docker" "start" "-a" "f91640911f2f8559736f3068ae48d2115c816bff45c5d2cf2144a15ba174509f", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.92
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]     Checking js-sys v0.3.69
[INFO] [stderr]     Checking workflow-wasm-macros v0.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]    --> src/derive_try_from_jsvalue.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 | use alloc::string::ToString;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `ToString` is already defined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]    --> src/derive_try_from_jsvalue.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 | use alloc::string::ToString;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `ToString` is already defined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.64s
[INFO] running `Command { std: "docker" "inspect" "f91640911f2f8559736f3068ae48d2115c816bff45c5d2cf2144a15ba174509f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f91640911f2f8559736f3068ae48d2115c816bff45c5d2cf2144a15ba174509f", kill_on_drop: false }`
[INFO] [stdout] f91640911f2f8559736f3068ae48d2115c816bff45c5d2cf2144a15ba174509f