[INFO] fetching crate rulox_macro 0.9.0...
[INFO] checking rulox_macro-0.9.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate rulox_macro 0.9.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate rulox_macro 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 rulox_macro 0.9.0
[INFO] finished tweaking crates.io crate rulox_macro 0.9.0
[INFO] tweaked toml for crates.io crate rulox_macro 0.9.0 written to /workspace/builds/worker-4-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 10 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rulox_types v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e16264de7e267fbeca504b4c8a16a1463c17ec069ee3b089bdedc21b44f87dfb
[INFO] running `Command { std: "docker" "start" "-a" "e16264de7e267fbeca504b4c8a16a1463c17ec069ee3b089bdedc21b44f87dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e16264de7e267fbeca504b4c8a16a1463c17ec069ee3b089bdedc21b44f87dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e16264de7e267fbeca504b4c8a16a1463c17ec069ee3b089bdedc21b44f87dfb", kill_on_drop: false }`
[INFO] [stdout] e16264de7e267fbeca504b4c8a16a1463c17ec069ee3b089bdedc21b44f87dfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 831169d738b664cb3ee0c265b85c23df0b50a03f33556efb9ebe93e32dcd14a0
[INFO] running `Command { std: "docker" "start" "-a" "831169d738b664cb3ee0c265b85c23df0b50a03f33556efb9ebe93e32dcd14a0", kill_on_drop: false }`
[INFO] [stderr]     Checking fastrand v2.0.2
[INFO] [stderr]     Checking castaway v0.2.2
[INFO] [stderr]     Checking syn v2.0.58
[INFO] [stderr]     Checking rulox_types v0.6.0
[INFO] [stderr]     Checking rulox_macro v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.29s
[INFO] running `Command { std: "docker" "inspect" "831169d738b664cb3ee0c265b85c23df0b50a03f33556efb9ebe93e32dcd14a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "831169d738b664cb3ee0c265b85c23df0b50a03f33556efb9ebe93e32dcd14a0", kill_on_drop: false }`
[INFO] [stdout] 831169d738b664cb3ee0c265b85c23df0b50a03f33556efb9ebe93e32dcd14a0
[INFO] checking rulox_macro-0.9.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate rulox_macro 0.9.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate rulox_macro 0.9.0 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 rulox_macro 0.9.0
[INFO] finished tweaking crates.io crate rulox_macro 0.9.0
[INFO] tweaked toml for crates.io crate rulox_macro 0.9.0 written to /workspace/builds/worker-4-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 10 packages
[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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 99a9caed02ccbed905703fe89076a24b0e7c25568f96844d00cee2aead332b6f
[INFO] running `Command { std: "docker" "start" "-a" "99a9caed02ccbed905703fe89076a24b0e7c25568f96844d00cee2aead332b6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99a9caed02ccbed905703fe89076a24b0e7c25568f96844d00cee2aead332b6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99a9caed02ccbed905703fe89076a24b0e7c25568f96844d00cee2aead332b6f", kill_on_drop: false }`
[INFO] [stdout] 99a9caed02ccbed905703fe89076a24b0e7c25568f96844d00cee2aead332b6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3fedf3289af36cfcded62ac88fe7385a0d11dcf27c9c2f06feef21b66a047cc9
[INFO] running `Command { std: "docker" "start" "-a" "3fedf3289af36cfcded62ac88fe7385a0d11dcf27c9c2f06feef21b66a047cc9", kill_on_drop: false }`
[INFO] [stderr]     Checking fastrand v2.0.2
[INFO] [stderr]     Checking castaway v0.2.2
[INFO] [stderr]     Checking syn v2.0.58
[INFO] [stderr]     Checking rulox_types v0.6.0
[INFO] [stderr]     Checking rulox_macro v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "3fedf3289af36cfcded62ac88fe7385a0d11dcf27c9c2f06feef21b66a047cc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fedf3289af36cfcded62ac88fe7385a0d11dcf27c9c2f06feef21b66a047cc9", kill_on_drop: false }`
[INFO] [stdout] 3fedf3289af36cfcded62ac88fe7385a0d11dcf27c9c2f06feef21b66a047cc9