[INFO] fetching crate rair-env 0.1.0...
[INFO] checking rair-env-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate rair-env 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate rair-env 0.1.0 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 rair-env 0.1.0
[INFO] finished tweaking crates.io crate rair-env 0.1.0
[INFO] tweaked toml for crates.io crate rair-env 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" "+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-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f14311154b6194ea190e6d3eb0bbb44e7aeaa14d75359302ce02c8dd43bafcd
[INFO] running `Command { std: "docker" "start" "-a" "7f14311154b6194ea190e6d3eb0bbb44e7aeaa14d75359302ce02c8dd43bafcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f14311154b6194ea190e6d3eb0bbb44e7aeaa14d75359302ce02c8dd43bafcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f14311154b6194ea190e6d3eb0bbb44e7aeaa14d75359302ce02c8dd43bafcd", kill_on_drop: false }`
[INFO] [stdout] 7f14311154b6194ea190e6d3eb0bbb44e7aeaa14d75359302ce02c8dd43bafcd
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f555401b7147e6d1c13935e0030281514cf448fe4f69b551f74078138d5f91f4
[INFO] running `Command { std: "docker" "start" "-a" "f555401b7147e6d1c13935e0030281514cf448fe4f69b551f74078138d5f91f4", kill_on_drop: false }`
[INFO] [stderr]     Checking rair-env v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "f555401b7147e6d1c13935e0030281514cf448fe4f69b551f74078138d5f91f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f555401b7147e6d1c13935e0030281514cf448fe4f69b551f74078138d5f91f4", kill_on_drop: false }`
[INFO] [stdout] f555401b7147e6d1c13935e0030281514cf448fe4f69b551f74078138d5f91f4
[INFO] checking rair-env-0.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate rair-env 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate rair-env 0.1.0 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 rair-env 0.1.0
[INFO] finished tweaking crates.io crate rair-env 0.1.0
[INFO] tweaked toml for crates.io crate rair-env 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" "+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-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4d319d9570048c78169ed2aa2981d0e6f812b96a8ecac0ae209b0841539c27e
[INFO] running `Command { std: "docker" "start" "-a" "d4d319d9570048c78169ed2aa2981d0e6f812b96a8ecac0ae209b0841539c27e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4d319d9570048c78169ed2aa2981d0e6f812b96a8ecac0ae209b0841539c27e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4d319d9570048c78169ed2aa2981d0e6f812b96a8ecac0ae209b0841539c27e", kill_on_drop: false }`
[INFO] [stdout] d4d319d9570048c78169ed2aa2981d0e6f812b96a8ecac0ae209b0841539c27e
[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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c034a49b8088b2f1af0fbcf68d789eccf2ada9f6edc1a03ee528ca4ffe40057
[INFO] running `Command { std: "docker" "start" "-a" "0c034a49b8088b2f1af0fbcf68d789eccf2ada9f6edc1a03ee528ca4ffe40057", kill_on_drop: false }`
[INFO] [stderr]     Checking rair-env v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/environment.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 | /         match meta.as_str() {
[INFO] [stdout] 97 | |             Some(s) => return Ok(&s.data),
[INFO] [stdout] 98 | |             None => return Err(EnvErr::DifferentType),
[INFO] [stdout] 99 | |         };
[INFO] [stdout]    | |_________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/environment.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 | /         match meta.as_str() {
[INFO] [stdout] 97 | |             Some(s) => return Ok(&s.data),
[INFO] [stdout] 98 | |             None => return Err(EnvErr::DifferentType),
[INFO] [stdout] 99 | |         };
[INFO] [stdout]    | |_________^ cannot infer type
[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 `rair-env` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 `rair-env` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "0c034a49b8088b2f1af0fbcf68d789eccf2ada9f6edc1a03ee528ca4ffe40057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c034a49b8088b2f1af0fbcf68d789eccf2ada9f6edc1a03ee528ca4ffe40057", kill_on_drop: false }`
[INFO] [stdout] 0c034a49b8088b2f1af0fbcf68d789eccf2ada9f6edc1a03ee528ca4ffe40057