[INFO] fetching crate environmental 1.1.4...
[INFO] checking environmental-1.1.4 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate environmental 1.1.4 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate environmental 1.1.4 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate environmental 1.1.4
[INFO] finished tweaking crates.io crate environmental 1.1.4
[INFO] tweaked toml for crates.io crate environmental 1.1.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d22417b079a2033cb871870c64f6507c03f63c4f8f2e99faed1d7d27457fb37
[INFO] running `Command { std: "docker" "start" "-a" "6d22417b079a2033cb871870c64f6507c03f63c4f8f2e99faed1d7d27457fb37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d22417b079a2033cb871870c64f6507c03f63c4f8f2e99faed1d7d27457fb37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d22417b079a2033cb871870c64f6507c03f63c4f8f2e99faed1d7d27457fb37", kill_on_drop: false }`
[INFO] [stdout] 6d22417b079a2033cb871870c64f6507c03f63c4f8f2e99faed1d7d27457fb37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f633a9cb94568ea36d8970e2b565edceb244bead9dd2f94128aadbbfc0a30064
[INFO] running `Command { std: "docker" "start" "-a" "f633a9cb94568ea36d8970e2b565edceb244bead9dd2f94128aadbbfc0a30064", kill_on_drop: false }`
[INFO] [stderr]     Checking environmental v1.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "f633a9cb94568ea36d8970e2b565edceb244bead9dd2f94128aadbbfc0a30064", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f633a9cb94568ea36d8970e2b565edceb244bead9dd2f94128aadbbfc0a30064", kill_on_drop: false }`
[INFO] [stdout] f633a9cb94568ea36d8970e2b565edceb244bead9dd2f94128aadbbfc0a30064
[INFO] checking environmental-1.1.4 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate environmental 1.1.4 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate environmental 1.1.4 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate environmental 1.1.4
[INFO] finished tweaking crates.io crate environmental 1.1.4
[INFO] tweaked toml for crates.io crate environmental 1.1.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ae8131a4673807cc3e1f3d142dbbb9e676afe7854e6c588b4a221bfe3b5d811
[INFO] running `Command { std: "docker" "start" "-a" "1ae8131a4673807cc3e1f3d142dbbb9e676afe7854e6c588b4a221bfe3b5d811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ae8131a4673807cc3e1f3d142dbbb9e676afe7854e6c588b4a221bfe3b5d811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ae8131a4673807cc3e1f3d142dbbb9e676afe7854e6c588b4a221bfe3b5d811", kill_on_drop: false }`
[INFO] [stdout] 1ae8131a4673807cc3e1f3d142dbbb9e676afe7854e6c588b4a221bfe3b5d811
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ba3fab7ce67adf283e98c36b13e8c5f450b20c4e7760dedf36ec7dedffcbef9
[INFO] running `Command { std: "docker" "start" "-a" "8ba3fab7ce67adf283e98c36b13e8c5f450b20c4e7760dedf36ec7dedffcbef9", kill_on_drop: false }`
[INFO] [stderr]     Checking environmental v1.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/lib.rs:454:36
[INFO] [stdout]     |
[INFO] [stdout] 454 |                 items::using(&mut local_inner, || {
[INFO] [stdout]     |                                                ^^
[INFO] [stdout]     |
[INFO] [stdout] help: try giving this closure an explicit return type
[INFO] [stdout]     |
[INFO] [stdout] 454 |                 items::using(&mut local_inner, || -> /* Type */ {
[INFO] [stdout]     |                                                   +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `environmental` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "8ba3fab7ce67adf283e98c36b13e8c5f450b20c4e7760dedf36ec7dedffcbef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ba3fab7ce67adf283e98c36b13e8c5f450b20c4e7760dedf36ec7dedffcbef9", kill_on_drop: false }`
[INFO] [stdout] 8ba3fab7ce67adf283e98c36b13e8c5f450b20c4e7760dedf36ec7dedffcbef9