[INFO] fetching crate text-stub-library 0.9.0...
[INFO] checking text-stub-library-0.9.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate text-stub-library 0.9.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate text-stub-library 0.9.0 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 text-stub-library 0.9.0
[INFO] finished tweaking crates.io crate text-stub-library 0.9.0
[INFO] tweaked toml for crates.io crate text-stub-library 0.9.0 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]     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 37 packages
[INFO] [stderr]       Adding apple-sdk v0.4.0 (latest: v0.5.2)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded apple-sdk v0.4.0
[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] a13245d123c72801cb7d86acf8317a6ab62d44178a118695b0bbff3883f2d848
[INFO] running `Command { std: "docker" "start" "-a" "a13245d123c72801cb7d86acf8317a6ab62d44178a118695b0bbff3883f2d848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a13245d123c72801cb7d86acf8317a6ab62d44178a118695b0bbff3883f2d848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a13245d123c72801cb7d86acf8317a6ab62d44178a118695b0bbff3883f2d848", kill_on_drop: false }`
[INFO] [stdout] a13245d123c72801cb7d86acf8317a6ab62d44178a118695b0bbff3883f2d848
[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] fdc56dfa4ab26fb3c672de6ad89b86e5a8f4d069ca797fa26308ef3caf15baf1
[INFO] running `Command { std: "docker" "start" "-a" "fdc56dfa4ab26fb3c672de6ad89b86e5a8f4d069ca797fa26308ef3caf15baf1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking unsafe-libyaml v0.2.11
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking apple-sdk v0.4.0
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated
[INFO] [stderr]     Checking text-stub-library v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.66s
[INFO] running `Command { std: "docker" "inspect" "fdc56dfa4ab26fb3c672de6ad89b86e5a8f4d069ca797fa26308ef3caf15baf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdc56dfa4ab26fb3c672de6ad89b86e5a8f4d069ca797fa26308ef3caf15baf1", kill_on_drop: false }`
[INFO] [stdout] fdc56dfa4ab26fb3c672de6ad89b86e5a8f4d069ca797fa26308ef3caf15baf1
[INFO] checking text-stub-library-0.9.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate text-stub-library 0.9.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate text-stub-library 0.9.0 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 text-stub-library 0.9.0
[INFO] finished tweaking crates.io crate text-stub-library 0.9.0
[INFO] tweaked toml for crates.io crate text-stub-library 0.9.0 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] 27f0bfac1ca4ffb0d26082a13a73368d183d6b9a7c4575fafb1dea7abc2f8fef
[INFO] running `Command { std: "docker" "start" "-a" "27f0bfac1ca4ffb0d26082a13a73368d183d6b9a7c4575fafb1dea7abc2f8fef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27f0bfac1ca4ffb0d26082a13a73368d183d6b9a7c4575fafb1dea7abc2f8fef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27f0bfac1ca4ffb0d26082a13a73368d183d6b9a7c4575fafb1dea7abc2f8fef", kill_on_drop: false }`
[INFO] [stdout] 27f0bfac1ca4ffb0d26082a13a73368d183d6b9a7c4575fafb1dea7abc2f8fef
[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] 01c6e88920f1cd9f512f44f76650b7cfce9c66d2a3b76b5c56a96e9fb3e7fade
[INFO] running `Command { std: "docker" "start" "-a" "01c6e88920f1cd9f512f44f76650b7cfce9c66d2a3b76b5c56a96e9fb3e7fade", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking unsafe-libyaml v0.2.11
[INFO] [stderr]     Checking apple-sdk v0.4.0
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated
[INFO] [stderr]     Checking text-stub-library v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.55s
[INFO] running `Command { std: "docker" "inspect" "01c6e88920f1cd9f512f44f76650b7cfce9c66d2a3b76b5c56a96e9fb3e7fade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01c6e88920f1cd9f512f44f76650b7cfce9c66d2a3b76b5c56a96e9fb3e7fade", kill_on_drop: false }`
[INFO] [stdout] 01c6e88920f1cd9f512f44f76650b7cfce9c66d2a3b76b5c56a96e9fb3e7fade