[INFO] fetching crate rustdotenv 0.1.2...
[INFO] checking rustdotenv-0.1.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate rustdotenv 0.1.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate rustdotenv 0.1.2 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 rustdotenv 0.1.2
[INFO] finished tweaking crates.io crate rustdotenv 0.1.2
[INFO] tweaked toml for crates.io crate rustdotenv 0.1.2 written to /workspace/builds/worker-6-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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages
[INFO] [stderr]       Adding snailquote v0.2.0 (latest: v0.3.1)
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded envfile v0.2.1
[INFO] [stderr]   Downloaded snailquote v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 238792f4b812966da7873eeebe83c9401d1350fadd09067a0a5dec2e522b1705
[INFO] running `Command { std: "docker" "start" "-a" "238792f4b812966da7873eeebe83c9401d1350fadd09067a0a5dec2e522b1705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "238792f4b812966da7873eeebe83c9401d1350fadd09067a0a5dec2e522b1705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "238792f4b812966da7873eeebe83c9401d1350fadd09067a0a5dec2e522b1705", kill_on_drop: false }`
[INFO] [stdout] 238792f4b812966da7873eeebe83c9401d1350fadd09067a0a5dec2e522b1705
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 68858a856ed927a1be01e80e878f33758616708d59de60ba9aba3b86235d5394
[INFO] running `Command { std: "docker" "start" "-a" "68858a856ed927a1be01e80e878f33758616708d59de60ba9aba3b86235d5394", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]     Checking snailquote v0.2.0
[INFO] [stderr]     Checking envfile v0.2.1
[INFO] [stderr]     Checking rustdotenv v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "68858a856ed927a1be01e80e878f33758616708d59de60ba9aba3b86235d5394", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68858a856ed927a1be01e80e878f33758616708d59de60ba9aba3b86235d5394", kill_on_drop: false }`
[INFO] [stdout] 68858a856ed927a1be01e80e878f33758616708d59de60ba9aba3b86235d5394
[INFO] checking rustdotenv-0.1.2 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate rustdotenv 0.1.2 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate rustdotenv 0.1.2 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 rustdotenv 0.1.2
[INFO] finished tweaking crates.io crate rustdotenv 0.1.2
[INFO] tweaked toml for crates.io crate rustdotenv 0.1.2 written to /workspace/builds/worker-6-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] [stderr]     Updating crates.io index
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e5b3689fd8ed8c43f204e9fcdc8b92e177c14331792f4f259ad2b2fd7f1d3934
[INFO] running `Command { std: "docker" "start" "-a" "e5b3689fd8ed8c43f204e9fcdc8b92e177c14331792f4f259ad2b2fd7f1d3934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5b3689fd8ed8c43f204e9fcdc8b92e177c14331792f4f259ad2b2fd7f1d3934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5b3689fd8ed8c43f204e9fcdc8b92e177c14331792f4f259ad2b2fd7f1d3934", kill_on_drop: false }`
[INFO] [stdout] e5b3689fd8ed8c43f204e9fcdc8b92e177c14331792f4f259ad2b2fd7f1d3934
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 604d9900c277c41af9954578a87c92d6c45cfdedb2da7a36c93a91ae0d36f453
[INFO] running `Command { std: "docker" "start" "-a" "604d9900c277c41af9954578a87c92d6c45cfdedb2da7a36c93a91ae0d36f453", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]     Checking snailquote v0.2.0
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/snailquote-0.2.0/src/lib.rs:205:17
[INFO] [stdout]     |
[INFO] [stdout] 205 | /                 match chars.next() {
[INFO] [stdout] 206 | |                     None => {
[INFO] [stdout] 207 | |                         return Err(format!("invalid escape at char {} in string {}", idx, s));
[INFO] [stdout] 208 | |                     }
[INFO] [stdout] ...   |
[INFO] [stdout] 242 | |                     }
[INFO] [stdout] 243 | |                 };
[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 `snailquote` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "604d9900c277c41af9954578a87c92d6c45cfdedb2da7a36c93a91ae0d36f453", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "604d9900c277c41af9954578a87c92d6c45cfdedb2da7a36c93a91ae0d36f453", kill_on_drop: false }`
[INFO] [stdout] 604d9900c277c41af9954578a87c92d6c45cfdedb2da7a36c93a91ae0d36f453