[INFO] fetching crate wasm2map 0.1.0...
[INFO] checking wasm2map-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate wasm2map 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate wasm2map 0.1.0 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 wasm2map 0.1.0
[INFO] finished tweaking crates.io crate wasm2map 0.1.0
[INFO] tweaked toml for crates.io crate wasm2map 0.1.0 written to /workspace/builds/worker-2-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 40 packages
[INFO] [stderr]       Adding gimli v0.27.3 (latest: v0.28.1)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding memmap2 v0.5.10 (latest: v0.9.4)
[INFO] [stderr]       Adding object v0.31.1 (latest: v0.34.0)
[INFO] [stderr]       Adding ruzstd v0.3.1 (latest: v0.6.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding wasmparser v0.102.0 (latest: v0.202.0)
[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-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] c031ae43d43289277409c5dd3a062d6d14d208a3fa0441bf3898108232c4ba19
[INFO] running `Command { std: "docker" "start" "-a" "c031ae43d43289277409c5dd3a062d6d14d208a3fa0441bf3898108232c4ba19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c031ae43d43289277409c5dd3a062d6d14d208a3fa0441bf3898108232c4ba19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c031ae43d43289277409c5dd3a062d6d14d208a3fa0441bf3898108232c4ba19", kill_on_drop: false }`
[INFO] [stdout] c031ae43d43289277409c5dd3a062d6d14d208a3fa0441bf3898108232c4ba19
[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] c096adffbaf3389e9131257267af322023f58573e2be671716744e00df1019d0
[INFO] running `Command { std: "docker" "start" "-a" "c096adffbaf3389e9131257267af322023f58573e2be671716744e00df1019d0", kill_on_drop: false }`
[INFO] [stderr]     Checking gimli v0.27.3
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking wasmparser v0.102.0
[INFO] [stderr]     Checking ruzstd v0.3.1
[INFO] [stderr]     Checking object v0.31.1
[INFO] [stderr]     Checking wasm2map v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/test.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |         drop(stdin);
[INFO] [stdout]     |         ^^^^^-----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&mut ChildStdin`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_references)]` 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 9.07s
[INFO] running `Command { std: "docker" "inspect" "c096adffbaf3389e9131257267af322023f58573e2be671716744e00df1019d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c096adffbaf3389e9131257267af322023f58573e2be671716744e00df1019d0", kill_on_drop: false }`
[INFO] [stdout] c096adffbaf3389e9131257267af322023f58573e2be671716744e00df1019d0
[INFO] checking wasm2map-0.1.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate wasm2map 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate wasm2map 0.1.0 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 wasm2map 0.1.0
[INFO] finished tweaking crates.io crate wasm2map 0.1.0
[INFO] tweaked toml for crates.io crate wasm2map 0.1.0 written to /workspace/builds/worker-2-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-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] 64cf0c1c60c5f9c8df6b50d5334162c29fab13030fd9cae64c692f5bc2289cf0
[INFO] running `Command { std: "docker" "start" "-a" "64cf0c1c60c5f9c8df6b50d5334162c29fab13030fd9cae64c692f5bc2289cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64cf0c1c60c5f9c8df6b50d5334162c29fab13030fd9cae64c692f5bc2289cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64cf0c1c60c5f9c8df6b50d5334162c29fab13030fd9cae64c692f5bc2289cf0", kill_on_drop: false }`
[INFO] [stdout] 64cf0c1c60c5f9c8df6b50d5334162c29fab13030fd9cae64c692f5bc2289cf0
[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] efb42222d4810f43c37ca18051bfa7ab91454119649f9c74f4ca821731b8ed19
[INFO] running `Command { std: "docker" "start" "-a" "efb42222d4810f43c37ca18051bfa7ab91454119649f9c74f4ca821731b8ed19", kill_on_drop: false }`
[INFO] [stderr]     Checking gimli v0.27.3
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking wasmparser v0.102.0
[INFO] [stderr]     Checking ruzstd v0.3.1
[INFO] [stderr]     Checking object v0.31.1
[INFO] [stderr]     Checking wasm2map v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/test.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |         drop(stdin);
[INFO] [stdout]     |         ^^^^^-----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&mut ChildStdin`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_references)]` 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 8.39s
[INFO] running `Command { std: "docker" "inspect" "efb42222d4810f43c37ca18051bfa7ab91454119649f9c74f4ca821731b8ed19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efb42222d4810f43c37ca18051bfa7ab91454119649f9c74f4ca821731b8ed19", kill_on_drop: false }`
[INFO] [stdout] efb42222d4810f43c37ca18051bfa7ab91454119649f9c74f4ca821731b8ed19