[INFO] fetching crate die-exit-2 0.4.1...
[INFO] checking die-exit-2-0.4.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate die-exit-2 0.4.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate die-exit-2 0.4.1 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 die-exit-2 0.4.1
[INFO] finished tweaking crates.io crate die-exit-2 0.4.1
[INFO] tweaked toml for crates.io crate die-exit-2 0.4.1 written to /workspace/builds/worker-0-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] 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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5cd7d25f6ce807bcf6bf2df6cffde73881f3747ccd9dd3f3a6c2d3f022ff0dd2
[INFO] running `Command { std: "docker" "start" "-a" "5cd7d25f6ce807bcf6bf2df6cffde73881f3747ccd9dd3f3a6c2d3f022ff0dd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cd7d25f6ce807bcf6bf2df6cffde73881f3747ccd9dd3f3a6c2d3f022ff0dd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cd7d25f6ce807bcf6bf2df6cffde73881f3747ccd9dd3f3a6c2d3f022ff0dd2", kill_on_drop: false }`
[INFO] [stdout] 5cd7d25f6ce807bcf6bf2df6cffde73881f3747ccd9dd3f3a6c2d3f022ff0dd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 30d068b254d5b0e4b29e4822590e6d9550f57718d7980287c7de10fe2b2c89af
[INFO] running `Command { std: "docker" "start" "-a" "30d068b254d5b0e4b29e4822590e6d9550f57718d7980287c7de10fe2b2c89af", kill_on_drop: false }`
[INFO] [stderr]     Checking die-exit-2 v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "30d068b254d5b0e4b29e4822590e6d9550f57718d7980287c7de10fe2b2c89af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30d068b254d5b0e4b29e4822590e6d9550f57718d7980287c7de10fe2b2c89af", kill_on_drop: false }`
[INFO] [stdout] 30d068b254d5b0e4b29e4822590e6d9550f57718d7980287c7de10fe2b2c89af
[INFO] checking die-exit-2-0.4.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate die-exit-2 0.4.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate die-exit-2 0.4.1 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 die-exit-2 0.4.1
[INFO] finished tweaking crates.io crate die-exit-2 0.4.1
[INFO] tweaked toml for crates.io crate die-exit-2 0.4.1 written to /workspace/builds/worker-0-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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3f027ac626a1d916a6c61ca290f81ac5e4ee5751b77ad2a7a93bbf58275f0de2
[INFO] running `Command { std: "docker" "start" "-a" "3f027ac626a1d916a6c61ca290f81ac5e4ee5751b77ad2a7a93bbf58275f0de2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f027ac626a1d916a6c61ca290f81ac5e4ee5751b77ad2a7a93bbf58275f0de2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f027ac626a1d916a6c61ca290f81ac5e4ee5751b77ad2a7a93bbf58275f0de2", kill_on_drop: false }`
[INFO] [stdout] 3f027ac626a1d916a6c61ca290f81ac5e4ee5751b77ad2a7a93bbf58275f0de2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8204e8757ec9fb8b265ff92833d2c945d36aab8c696d2d15c9e3ea6f1d65c9b3
[INFO] running `Command { std: "docker" "start" "-a" "8204e8757ec9fb8b265ff92833d2c945d36aab8c696d2d15c9e3ea6f1d65c9b3", kill_on_drop: false }`
[INFO] [stderr]     Checking die-exit-2 v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "8204e8757ec9fb8b265ff92833d2c945d36aab8c696d2d15c9e3ea6f1d65c9b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8204e8757ec9fb8b265ff92833d2c945d36aab8c696d2d15c9e3ea6f1d65c9b3", kill_on_drop: false }`
[INFO] [stdout] 8204e8757ec9fb8b265ff92833d2c945d36aab8c696d2d15c9e3ea6f1d65c9b3