[INFO] fetching crate witx 0.9.1...
[INFO] checking witx-0.9.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate witx 0.9.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate witx 0.9.1 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 witx 0.9.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate witx 0.9.1
[INFO] tweaked toml for crates.io crate witx 0.9.1 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 17 packages
[INFO] [stderr]       Adding wast v35.0.2 (latest: v202.0.0)
[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] f297b3878c6b815e4bf8ba7c3a5ac6d04641ef97cb6045eefb50ca99a05f893e
[INFO] running `Command { std: "docker" "start" "-a" "f297b3878c6b815e4bf8ba7c3a5ac6d04641ef97cb6045eefb50ca99a05f893e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f297b3878c6b815e4bf8ba7c3a5ac6d04641ef97cb6045eefb50ca99a05f893e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f297b3878c6b815e4bf8ba7c3a5ac6d04641ef97cb6045eefb50ca99a05f893e", kill_on_drop: false }`
[INFO] [stdout] f297b3878c6b815e4bf8ba7c3a5ac6d04641ef97cb6045eefb50ca99a05f893e
[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] dd9f4ba5ee9436776ceb7d8c655eb75be2306d57735d2769fad0b10db29c5d99
[INFO] running `Command { std: "docker" "start" "-a" "dd9f4ba5ee9436776ceb7d8c655eb75be2306d57735d2769fad0b10db29c5d99", kill_on_drop: false }`
[INFO] [stderr]     Checking leb128 v0.2.5
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking wast v35.0.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking witx v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `as_any` is never used
[INFO] [stdout]   --> src/docs/md.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub(super) trait MdElement: fmt::Display + fmt::Debug + 'static {
[INFO] [stdout]    |                  --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn as_any(&self) -> &dyn Any;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_any` is never used
[INFO] [stdout]   --> src/docs/md.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub(super) trait MdElement: fmt::Display + fmt::Debug + 'static {
[INFO] [stdout]    |                  --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn as_any(&self) -> &dyn Any;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.25s
[INFO] running `Command { std: "docker" "inspect" "dd9f4ba5ee9436776ceb7d8c655eb75be2306d57735d2769fad0b10db29c5d99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd9f4ba5ee9436776ceb7d8c655eb75be2306d57735d2769fad0b10db29c5d99", kill_on_drop: false }`
[INFO] [stdout] dd9f4ba5ee9436776ceb7d8c655eb75be2306d57735d2769fad0b10db29c5d99
[INFO] checking witx-0.9.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate witx 0.9.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate witx 0.9.1 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 witx 0.9.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate witx 0.9.1
[INFO] tweaked toml for crates.io crate witx 0.9.1 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] [stderr]     Blocking waiting for file lock on package cache
[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] 201c2ed2110ce2bff868f7c6e11f35ff3613c8fde6999359aa310388e0bb0f6f
[INFO] running `Command { std: "docker" "start" "-a" "201c2ed2110ce2bff868f7c6e11f35ff3613c8fde6999359aa310388e0bb0f6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "201c2ed2110ce2bff868f7c6e11f35ff3613c8fde6999359aa310388e0bb0f6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "201c2ed2110ce2bff868f7c6e11f35ff3613c8fde6999359aa310388e0bb0f6f", kill_on_drop: false }`
[INFO] [stdout] 201c2ed2110ce2bff868f7c6e11f35ff3613c8fde6999359aa310388e0bb0f6f
[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] 0606d2e2c292efc7f1012d1788a803829490268db7cf8a8869d72d2b8c60655d
[INFO] running `Command { std: "docker" "start" "-a" "0606d2e2c292efc7f1012d1788a803829490268db7cf8a8869d72d2b8c60655d", kill_on_drop: false }`
[INFO] [stderr]     Checking leb128 v0.2.5
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking wast v35.0.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking witx v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `as_any` is never used
[INFO] [stdout]   --> src/docs/md.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub(super) trait MdElement: fmt::Display + fmt::Debug + 'static {
[INFO] [stdout]    |                  --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn as_any(&self) -> &dyn Any;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_any` is never used
[INFO] [stdout]   --> src/docs/md.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub(super) trait MdElement: fmt::Display + fmt::Debug + 'static {
[INFO] [stdout]    |                  --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn as_any(&self) -> &dyn Any;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.78s
[INFO] running `Command { std: "docker" "inspect" "0606d2e2c292efc7f1012d1788a803829490268db7cf8a8869d72d2b8c60655d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0606d2e2c292efc7f1012d1788a803829490268db7cf8a8869d72d2b8c60655d", kill_on_drop: false }`
[INFO] [stdout] 0606d2e2c292efc7f1012d1788a803829490268db7cf8a8869d72d2b8c60655d