[INFO] cloning repository https://github.com/Swiiz/asset_tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Swiiz/asset_tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSwiiz%2Fasset_tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSwiiz%2Fasset_tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f910c37b7ae07f02fcaedadfa98d3849903eb4f
[INFO] checking Swiiz/asset_tree against 760e1de835e253bf28bbcbfee38b5e8ed9ffe074 for pr-133502-27
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSwiiz%2Fasset_tree" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Swiiz/asset_tree
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/Swiiz/asset_tree
[INFO] tweaked toml for git repo https://github.com/Swiiz/asset_tree written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Swiiz/asset_tree on toolchain 760e1de835e253bf28bbcbfee38b5e8ed9ffe074
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Swiiz/asset_tree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c36f533e8924a726b63f9d01e781fa8c8c28c96d1d595403829afb31452ee0f5" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 64cd85786b95777e65f0ce27a3e24cbb8354c6814eb290663ae9db0a150d8e8f
[INFO] running `Command { std: "docker" "start" "64cd85786b95777e65f0ce27a3e24cbb8354c6814eb290663ae9db0a150d8e8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64cd85786b95777e65f0ce27a3e24cbb8354c6814eb290663ae9db0a150d8e8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "64cd85786b95777e65f0ce27a3e24cbb8354c6814eb290663ae9db0a150d8e8f" "/opt/rustwide/cargo-home/bin/cargo" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64cd85786b95777e65f0ce27a3e24cbb8354c6814eb290663ae9db0a150d8e8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "64cd85786b95777e65f0ce27a3e24cbb8354c6814eb290663ae9db0a150d8e8f" "/opt/rustwide/cargo-home/bin/cargo" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking asset_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: `()` is not an iterator
[INFO] [stdout]    --> src/loader.rs:103:34
[INFO] [stdout]     |
[INFO] [stdout] 103 | ...                   .collect::<Result<_, Self::Error>>()?,
[INFO] [stdout]     |                        ^^^^^^^ `()` is not an iterator
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Iterator` is not implemented for `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `()` is not an iterator
[INFO] [stdout]    --> src/loader.rs:100:39
[INFO] [stdout]     |
[INFO] [stdout] 100 |   ...                   children: self
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 101 | | ...                       .subdir(&name)
[INFO] [stdout] 102 | | ...                       .iter_dir()?
[INFO] [stdout] 103 | | ...                       .collect::<Result<_, Self::Error>>()?,
[INFO] [stdout]     | |______________________________________________________________^ `()` is not an iterator
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Iterator` is not implemented for `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `()` is not an iterator
[INFO] [stdout]    --> src/loader.rs:103:34
[INFO] [stdout]     |
[INFO] [stdout] 103 | ...                   .collect::<Result<_, Self::Error>>()?,
[INFO] [stdout]     |                        ^^^^^^^ `()` is not an iterator
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Iterator` is not implemented for `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `impl Iterator<Item = Result<AssetTreeNode<_>, Error<_>>> == ()`
[INFO] [stdout]    --> src/loader.rs:102:34
[INFO] [stdout]     |
[INFO] [stdout] 102 | ...                   .iter_dir()?
[INFO] [stdout]     |                        ^^^^^^^^ types differ
[INFO] [stdout]     |
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/asset_tree-8c446fd256d5473d.long-type-4646920344531717980.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `()` is not an iterator
[INFO] [stdout]    --> src/loader.rs:100:39
[INFO] [stdout]     |
[INFO] [stdout] 100 |   ...                   children: self
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 101 | | ...                       .subdir(&name)
[INFO] [stdout] 102 | | ...                       .iter_dir()?
[INFO] [stdout] 103 | | ...                       .collect::<Result<_, Self::Error>>()?,
[INFO] [stdout]     | |______________________________________________________________^ `()` is not an iterator
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Iterator` is not implemented for `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `impl Iterator<Item = Result<AssetTreeNode<_>, Error<_>>> == ()`
[INFO] [stdout]    --> src/loader.rs:102:34
[INFO] [stdout]     |
[INFO] [stdout] 102 | ...                   .iter_dir()?
[INFO] [stdout]     |                        ^^^^^^^^ types differ
[INFO] [stdout]     |
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/asset_tree-eb882e57f7f774a9.long-type-12216977728733031449.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/loader.rs:102:34
[INFO] [stdout]     |
[INFO] [stdout]  82 |             .map(|entry| {
[INFO] [stdout]     |                  ------- one of the expected closures
[INFO] [stdout] ...
[INFO] [stdout]  87 |             .filter_map(|e: Result<_, Self::Error>| {
[INFO] [stdout]     |                         --------------------------- one of the expected closures
[INFO] [stdout] ...
[INFO] [stdout]  95 |             .map(|path: PathBuf| {
[INFO] [stdout]     |                  --------------- one of the expected closures
[INFO] [stdout] ...
[INFO] [stdout] 102 |                                 .iter_dir()?
[INFO] [stdout]     |                                  ^^^^^^^^ expected `Map<_, {closure@...}>`, found `()`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `Map<FilterMap<Map<_, {closure@...}>, {closure@...}>, {closure@...}>`
[INFO] [stdout]             found unit type `()`
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/asset_tree-8c446fd256d5473d.long-type-13572068679110259472.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/loader.rs:102:34
[INFO] [stdout]     |
[INFO] [stdout]  82 |             .map(|entry| {
[INFO] [stdout]     |                  ------- one of the expected closures
[INFO] [stdout] ...
[INFO] [stdout]  87 |             .filter_map(|e: Result<_, Self::Error>| {
[INFO] [stdout]     |                         --------------------------- one of the expected closures
[INFO] [stdout] ...
[INFO] [stdout]  95 |             .map(|path: PathBuf| {
[INFO] [stdout]     |                  --------------- one of the expected closures
[INFO] [stdout] ...
[INFO] [stdout] 102 |                                 .iter_dir()?
[INFO] [stdout]     |                                  ^^^^^^^^ expected `Map<_, {closure@...}>`, found `()`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `Map<FilterMap<Map<_, {closure@...}>, {closure@...}>, {closure@...}>`
[INFO] [stdout]             found unit type `()`
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/asset_tree-eb882e57f7f774a9.long-type-12905217901559251868.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `asset_tree` (lib) due to 4 previous errors
[INFO] [stdout] Some errors have detailed explanations: E0271, E0277, E0308.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about an error, try `rustc --explain E0271`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `asset_tree` (lib test) due to 4 previous errors
[INFO] [stdout] Some errors have detailed explanations: E0271, E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0271`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "64cd85786b95777e65f0ce27a3e24cbb8354c6814eb290663ae9db0a150d8e8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64cd85786b95777e65f0ce27a3e24cbb8354c6814eb290663ae9db0a150d8e8f", kill_on_drop: false }`
[INFO] [stdout] 64cd85786b95777e65f0ce27a3e24cbb8354c6814eb290663ae9db0a150d8e8f
