[INFO] fetching crate silent-headers-core 0.1.0...
[INFO] checking silent-headers-core-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate silent-headers-core 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate silent-headers-core 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 silent-headers-core 0.1.0
[INFO] finished tweaking crates.io crate silent-headers-core 0.1.0
[INFO] tweaked toml for crates.io crate silent-headers-core 0.1.0 written to /workspace/builds/worker-6-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 5 packages
[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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 0a711a30cefa781bf49c8b7360b8d42db6d1592bcf67f0ef6767ec1e63c8120c
[INFO] running `Command { std: "docker" "start" "-a" "0a711a30cefa781bf49c8b7360b8d42db6d1592bcf67f0ef6767ec1e63c8120c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a711a30cefa781bf49c8b7360b8d42db6d1592bcf67f0ef6767ec1e63c8120c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a711a30cefa781bf49c8b7360b8d42db6d1592bcf67f0ef6767ec1e63c8120c", kill_on_drop: false }`
[INFO] [stdout] 0a711a30cefa781bf49c8b7360b8d42db6d1592bcf67f0ef6767ec1e63c8120c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 9d0b0057bfad4b7298688eabfbe9882c5e2744f02f709461e12f3985b7d02260
[INFO] running `Command { std: "docker" "start" "-a" "9d0b0057bfad4b7298688eabfbe9882c5e2744f02f709461e12f3985b7d02260", kill_on_drop: false }`
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]     Checking silent-headers-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "9d0b0057bfad4b7298688eabfbe9882c5e2744f02f709461e12f3985b7d02260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d0b0057bfad4b7298688eabfbe9882c5e2744f02f709461e12f3985b7d02260", kill_on_drop: false }`
[INFO] [stdout] 9d0b0057bfad4b7298688eabfbe9882c5e2744f02f709461e12f3985b7d02260
[INFO] checking silent-headers-core-0.1.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate silent-headers-core 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate silent-headers-core 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 silent-headers-core 0.1.0
[INFO] finished tweaking crates.io crate silent-headers-core 0.1.0
[INFO] tweaked toml for crates.io crate silent-headers-core 0.1.0 written to /workspace/builds/worker-6-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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] fca157fe97049d00b0b4802ede42497b45d52f766a33632e9d2d1f03777572e5
[INFO] running `Command { std: "docker" "start" "-a" "fca157fe97049d00b0b4802ede42497b45d52f766a33632e9d2d1f03777572e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fca157fe97049d00b0b4802ede42497b45d52f766a33632e9d2d1f03777572e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fca157fe97049d00b0b4802ede42497b45d52f766a33632e9d2d1f03777572e5", kill_on_drop: false }`
[INFO] [stdout] fca157fe97049d00b0b4802ede42497b45d52f766a33632e9d2d1f03777572e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f99fb873177e74d07cce5a6a35f480f684a9843834fc4d57f112d7158f03971b
[INFO] running `Command { std: "docker" "start" "-a" "f99fb873177e74d07cce5a6a35f480f684a9843834fc4d57f112d7158f03971b", kill_on_drop: false }`
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]     Checking silent-headers-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "f99fb873177e74d07cce5a6a35f480f684a9843834fc4d57f112d7158f03971b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f99fb873177e74d07cce5a6a35f480f684a9843834fc4d57f112d7158f03971b", kill_on_drop: false }`
[INFO] [stdout] f99fb873177e74d07cce5a6a35f480f684a9843834fc4d57f112d7158f03971b