[INFO] fetching crate iz80 0.4.0...
[INFO] checking iz80-0.4.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate iz80 0.4.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate iz80 0.4.0 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 iz80 0.4.0
[INFO] finished tweaking crates.io crate iz80 0.4.0
[INFO] tweaked toml for crates.io crate iz80 0.4.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate iz80 0.4.0 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] 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] af91f374190b8676f95a9584c3764568c8fe0c68fb5a4756e0a27b01c5f44b3a
[INFO] running `Command { std: "docker" "start" "-a" "af91f374190b8676f95a9584c3764568c8fe0c68fb5a4756e0a27b01c5f44b3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af91f374190b8676f95a9584c3764568c8fe0c68fb5a4756e0a27b01c5f44b3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af91f374190b8676f95a9584c3764568c8fe0c68fb5a4756e0a27b01c5f44b3a", kill_on_drop: false }`
[INFO] [stdout] af91f374190b8676f95a9584c3764568c8fe0c68fb5a4756e0a27b01c5f44b3a
[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] 7c947400a8e809da8ded3de8d99fd08e05dfd33bc83e3f1b4b0d93c0e58de882
[INFO] running `Command { std: "docker" "start" "-a" "7c947400a8e809da8ded3de8d99fd08e05dfd33bc83e3f1b4b0d93c0e58de882", kill_on_drop: false }`
[INFO] [stderr]     Checking iz80 v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "7c947400a8e809da8ded3de8d99fd08e05dfd33bc83e3f1b4b0d93c0e58de882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c947400a8e809da8ded3de8d99fd08e05dfd33bc83e3f1b4b0d93c0e58de882", kill_on_drop: false }`
[INFO] [stdout] 7c947400a8e809da8ded3de8d99fd08e05dfd33bc83e3f1b4b0d93c0e58de882
[INFO] checking iz80-0.4.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate iz80 0.4.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate iz80 0.4.0 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 iz80 0.4.0
[INFO] finished tweaking crates.io crate iz80 0.4.0
[INFO] tweaked toml for crates.io crate iz80 0.4.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate iz80 0.4.0 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] 9a49349db38b9e3519622e66294b7ef6201f8169baa2e056905caf2faa96b883
[INFO] running `Command { std: "docker" "start" "-a" "9a49349db38b9e3519622e66294b7ef6201f8169baa2e056905caf2faa96b883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a49349db38b9e3519622e66294b7ef6201f8169baa2e056905caf2faa96b883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a49349db38b9e3519622e66294b7ef6201f8169baa2e056905caf2faa96b883", kill_on_drop: false }`
[INFO] [stdout] 9a49349db38b9e3519622e66294b7ef6201f8169baa2e056905caf2faa96b883
[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] 0d6c27a23a3277d3c71969403626dbeb03409e98bbc2e3c4bf0c7df7869dacc8
[INFO] running `Command { std: "docker" "start" "-a" "0d6c27a23a3277d3c71969403626dbeb03409e98bbc2e3c4bf0c7df7869dacc8", kill_on_drop: false }`
[INFO] [stderr]     Checking iz80 v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "0d6c27a23a3277d3c71969403626dbeb03409e98bbc2e3c4bf0c7df7869dacc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d6c27a23a3277d3c71969403626dbeb03409e98bbc2e3c4bf0c7df7869dacc8", kill_on_drop: false }`
[INFO] [stdout] 0d6c27a23a3277d3c71969403626dbeb03409e98bbc2e3c4bf0c7df7869dacc8