[INFO] fetching crate lay-simulator-blueqat 0.1.0...
[INFO] checking lay-simulator-blueqat-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate lay-simulator-blueqat 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate lay-simulator-blueqat 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 lay-simulator-blueqat 0.1.0
[INFO] finished tweaking crates.io crate lay-simulator-blueqat 0.1.0
[INFO] tweaked toml for crates.io crate lay-simulator-blueqat 0.1.0 written to /workspace/builds/worker-3-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 26 packages
[INFO] [stderr]       Adding bytes v0.5.6 (latest: v1.6.0)
[INFO] [stderr]       Adding cpython v0.5.2 (latest: v0.7.1)
[INFO] [stderr]       Adding paste v0.1.18 (latest: v1.0.14)
[INFO] [stderr]       Adding pin-project-lite v0.1.12 (latest: v0.2.14)
[INFO] [stderr]       Adding python3-sys v0.5.2 (latest: v0.7.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding tokio v0.2.25 (latest: v1.37.0)
[INFO] [stderr]       Adding tokio-macros v0.2.6 (latest: v2.2.0)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded python3-sys v0.5.2
[INFO] [stderr]   Downloaded cpython v0.5.2
[INFO] [stderr]   Downloaded lay v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 591bfa9d72da8908f38f92d98d48e123c41d316c9e8c83a0635af04d4a7a7b96
[INFO] running `Command { std: "docker" "start" "-a" "591bfa9d72da8908f38f92d98d48e123c41d316c9e8c83a0635af04d4a7a7b96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "591bfa9d72da8908f38f92d98d48e123c41d316c9e8c83a0635af04d4a7a7b96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "591bfa9d72da8908f38f92d98d48e123c41d316c9e8c83a0635af04d4a7a7b96", kill_on_drop: false }`
[INFO] [stdout] 591bfa9d72da8908f38f92d98d48e123c41d316c9e8c83a0635af04d4a7a7b96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 51132a92ccf51dc1b620169be2b3ee21dac9c45cfd371fc4866a8ca315d0dd4e
[INFO] running `Command { std: "docker" "start" "-a" "51132a92ccf51dc1b620169be2b3ee21dac9c45cfd371fc4866a8ca315d0dd4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling cpython v0.5.2
[INFO] [stderr]    Compiling python3-sys v0.5.2
[INFO] [stderr]     Checking lay v0.1.0
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking lay-simulator-blueqat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.38s
[INFO] running `Command { std: "docker" "inspect" "51132a92ccf51dc1b620169be2b3ee21dac9c45cfd371fc4866a8ca315d0dd4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51132a92ccf51dc1b620169be2b3ee21dac9c45cfd371fc4866a8ca315d0dd4e", kill_on_drop: false }`
[INFO] [stdout] 51132a92ccf51dc1b620169be2b3ee21dac9c45cfd371fc4866a8ca315d0dd4e
[INFO] checking lay-simulator-blueqat-0.1.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate lay-simulator-blueqat 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate lay-simulator-blueqat 0.1.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lay-simulator-blueqat 0.1.0
[INFO] finished tweaking crates.io crate lay-simulator-blueqat 0.1.0
[INFO] tweaked toml for crates.io crate lay-simulator-blueqat 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 26 packages
[INFO] [stderr]       Adding bytes v0.5.6 (latest: v1.6.0)
[INFO] [stderr]       Adding cpython v0.5.2 (latest: v0.7.1)
[INFO] [stderr]       Adding paste v0.1.18 (latest: v1.0.14)
[INFO] [stderr]       Adding pin-project-lite v0.1.12 (latest: v0.2.14)
[INFO] [stderr]       Adding python3-sys v0.5.2 (latest: v0.7.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding tokio v0.2.25 (latest: v1.37.0)
[INFO] [stderr]       Adding tokio-macros v0.2.6 (latest: v2.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ec222cb6cc688dbff125cf28f04f99d3924e7822e09ede89ba7992b6177663e
[INFO] running `Command { std: "docker" "start" "-a" "3ec222cb6cc688dbff125cf28f04f99d3924e7822e09ede89ba7992b6177663e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ec222cb6cc688dbff125cf28f04f99d3924e7822e09ede89ba7992b6177663e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ec222cb6cc688dbff125cf28f04f99d3924e7822e09ede89ba7992b6177663e", kill_on_drop: false }`
[INFO] [stdout] 3ec222cb6cc688dbff125cf28f04f99d3924e7822e09ede89ba7992b6177663e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0571f69fdd4d1b92d2fbe01cab5be98b7a746dac56b937e9ac26040dc4e069f8
[INFO] running `Command { std: "docker" "start" "-a" "0571f69fdd4d1b92d2fbe01cab5be98b7a746dac56b937e9ac26040dc4e069f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling cpython v0.5.2
[INFO] [stderr]    Compiling python3-sys v0.5.2
[INFO] [stderr]     Checking lay v0.1.0
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking lay-simulator-blueqat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.40s
[INFO] running `Command { std: "docker" "inspect" "0571f69fdd4d1b92d2fbe01cab5be98b7a746dac56b937e9ac26040dc4e069f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0571f69fdd4d1b92d2fbe01cab5be98b7a746dac56b937e9ac26040dc4e069f8", kill_on_drop: false }`
[INFO] [stdout] 0571f69fdd4d1b92d2fbe01cab5be98b7a746dac56b937e9ac26040dc4e069f8