[INFO] fetching crate nod 0.1.1...
[INFO] testing nod-0.1.1 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate nod 0.1.1 into /workspace/builds/worker-44/source
[INFO] validating manifest of crates.io crate nod 0.1.1 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nod 0.1.1
[INFO] finished tweaking crates.io crate nod 0.1.1
[INFO] tweaked toml for crates.io crate nod 0.1.1 written to /workspace/builds/worker-44/source/Cargo.toml
[INFO] crate crates.io crate nod 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aes v0.7.4
[INFO] [stderr]   Downloaded file-size v1.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stdout] 08226bd9444d3611674984d41b55d84e8c436c0e809149f3d7adb56f56fe5d1e
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[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling cpufeatures v0.1.5
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling block-padding v0.2.1
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[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling cipher v0.3.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling sha-1 v0.9.7
[INFO] [stderr]    Compiling block-modes v0.8.1
[INFO] [stderr]    Compiling aes v0.7.4
[INFO] [stderr]    Compiling binread_derive v2.0.0
[INFO] [stderr]    Compiling binread v2.1.1
[INFO] [stderr]    Compiling nod v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.15s
[INFO] running `Command { std: "docker" "inspect" "08226bd9444d3611674984d41b55d84e8c436c0e809149f3d7adb56f56fe5d1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08226bd9444d3611674984d41b55d84e8c436c0e809149f3d7adb56f56fe5d1e", kill_on_drop: false }`
[INFO] [stdout] 08226bd9444d3611674984d41b55d84e8c436c0e809149f3d7adb56f56fe5d1e
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[INFO] [stderr]    Compiling nod v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
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[INFO] [stdout] ee58df6325fffde4f0ed340ddbd04bd96ea9dd9b77abe9d9a486cadaba3bb06e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 08d7aa1ae54a8e1e5078c7a3c4eb1abccd841dc0ac77609e017e5bd7e3f2b5f4
[INFO] running `Command { std: "docker" "start" "-a" "08d7aa1ae54a8e1e5078c7a3c4eb1abccd841dc0ac77609e017e5bd7e3f2b5f4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nod-2f4db31cc5aad74e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nodtool-6652fb5743287c80)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nod
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/io/mod.rs - io::new_disc_io (line 38) ... FAILED
[INFO] [stdout] test src/disc/mod.rs - disc::new_disc_base (line 100) ... FAILED
[INFO] [stdout] test src/disc/mod.rs - disc::DiscBase::get_data_partition (line 84) ... FAILED
[INFO] [stdout] test src/disc/mod.rs - disc::PartReadStream::begin_file_stream (line 128) ... FAILED
[INFO] [stdout] test src/disc/mod.rs - disc::PartHeader::find_node (line 165) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 13) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/io/mod.rs - io::new_disc_io (line 38) stdout ----
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> src/io/mod.rs:41:55
[INFO] [stdout]     |
[INFO] [stdout] 3   |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_io_mod_rs_38_0() {
[INFO] [stdout]     |  ______________________________________-
[INFO] [stdout] 4   | | use nod::io::new_disc_io;
[INFO] [stdout] 5   | |
[INFO] [stdout] 6   | | let mut disc_io = new_disc_io("path/to/file".as_ref())?;
[INFO] [stdout]     | |                                                       ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 7   | | } _doctest_main_src_io_mod_rs_38_0() }
[INFO] [stdout]     | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Result<Infallible, nod::Error>>` is not implemented for `()`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/disc/mod.rs - disc::new_disc_base (line 100) stdout ----
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> src/disc/mod.rs:104:55
[INFO] [stdout]     |
[INFO] [stdout] 3   |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_disc_mod_rs_100_0() {
[INFO] [stdout]     |  ______________________________________-
[INFO] [stdout] 4   | | use nod::io::new_disc_io;
[INFO] [stdout] 5   | | use nod::disc::new_disc_base;
[INFO] [stdout] 6   | |
[INFO] [stdout] 7   | | let mut disc_io = new_disc_io("path/to/file".as_ref())?;
[INFO] [stdout]     | |                                                       ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 8   | | let disc_base = new_disc_base(disc_io.as_mut())?;
[INFO] [stdout] 9   | | disc_base.get_header();
[INFO] [stdout] 10  | | } _doctest_main_src_disc_mod_rs_100_0() }
[INFO] [stdout]     | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Result<Infallible, nod::Error>>` is not implemented for `()`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> src/disc/mod.rs:105:48
[INFO] [stdout]     |
[INFO] [stdout] 3   |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_disc_mod_rs_100_0() {
[INFO] [stdout]     |  ______________________________________-
[INFO] [stdout] 4   | | use nod::io::new_disc_io;
[INFO] [stdout] 5   | | use nod::disc::new_disc_base;
[INFO] [stdout] 6   | |
[INFO] [stdout] 7   | | let mut disc_io = new_disc_io("path/to/file".as_ref())?;
[INFO] [stdout] 8   | | let disc_base = new_disc_base(disc_io.as_mut())?;
[INFO] [stdout]     | |                                                ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 9   | | disc_base.get_header();
[INFO] [stdout] 10  | | } _doctest_main_src_disc_mod_rs_100_0() }
[INFO] [stdout]     | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Result<Infallible, nod::Error>>` is not implemented for `()`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/disc/mod.rs - disc::DiscBase::get_data_partition (line 84) stdout ----
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> src/disc/mod.rs:88:55
[INFO] [stdout]     |
[INFO] [stdout] 3   |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_disc_mod_rs_84_0() {
[INFO] [stdout]     |  ______________________________________-
[INFO] [stdout] 4   | | use nod::disc::new_disc_base;
[INFO] [stdout] 5   | | use nod::io::new_disc_io;
[INFO] [stdout] 6   | |
[INFO] [stdout] 7   | | let mut disc_io = new_disc_io("path/to/file".as_ref())?;
[INFO] [stdout]     | |                                                       ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 8   | | let disc_base = new_disc_base(disc_io.as_mut())?;
[INFO] [stdout] 9   | | let mut partition = disc_base.get_data_partition(disc_io.as_mut())?;
[INFO] [stdout] 10  | | } _doctest_main_src_disc_mod_rs_84_0() }
[INFO] [stdout]     | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Result<Infallible, nod::Error>>` is not implemented for `()`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> src/disc/mod.rs:89:48
[INFO] [stdout]     |
[INFO] [stdout] 3   |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_disc_mod_rs_84_0() {
[INFO] [stdout]     |  ______________________________________-
[INFO] [stdout] 4   | | use nod::disc::new_disc_base;
[INFO] [stdout] 5   | | use nod::io::new_disc_io;
[INFO] [stdout] 6   | |
[INFO] [stdout] 7   | | let mut disc_io = new_disc_io("path/to/file".as_ref())?;
[INFO] [stdout] 8   | | let disc_base = new_disc_base(disc_io.as_mut())?;
[INFO] [stdout]     | |                                                ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 9   | | let mut partition = disc_base.get_data_partition(disc_io.as_mut())?;
[INFO] [stdout] 10  | | } _doctest_main_src_disc_mod_rs_84_0() }
[INFO] [stdout]     | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Result<Infallible, nod::Error>>` is not implemented for `()`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> src/disc/mod.rs:90:67
[INFO] [stdout]     |
[INFO] [stdout] 3   |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_disc_mod_rs_84_0() {
[INFO] [stdout]     |  ______________________________________-
[INFO] [stdout] 4   | | use nod::disc::new_disc_base;
[INFO] [stdout] 5   | | use nod::io::new_disc_io;
[INFO] [stdout] 6   | |
[INFO] [stdout] ...   |
[INFO] [stdout] 9   | | let mut partition = disc_base.get_data_partition(disc_io.as_mut())?;
[INFO] [stdout]     | |                                                                   ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 10  | | } _doctest_main_src_disc_mod_rs_84_0() }
[INFO] [stdout]     | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Result<Infallible, nod::Error>>` is not implemented for `()`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/disc/mod.rs - disc::PartReadStream::begin_file_stream (line 128) stdout ----
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]   --> src/disc/mod.rs:141:14
[INFO] [stdout]    |
[INFO] [stdout] 16 |     println!(s);
[INFO] [stdout]    |              ^
[INFO] [stdout]    |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]    |
[INFO] [stdout] 16 |     println!("{}", s);
[INFO] [stdout]    |              +++++
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> src/disc/mod.rs:134:55
[INFO] [stdout]     |
[INFO] [stdout] 3   |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_disc_mod_rs_128_0() {
[INFO] [stdout]     |  ______________________________________-
[INFO] [stdout] 4   | | use nod::disc::{new_disc_base, PartHeader};
[INFO] [stdout] 5   | | use nod::fst::NodeType;
[INFO] [stdout] 6   | | use nod::io::new_disc_io;
[INFO] [stdout] ...   |
[INFO] [stdout] 9   | | let mut disc_io = new_disc_io("path/to/file".as_ref())?;
[INFO] [stdout]     | |                                                       ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] ...   |
[INFO] [stdout] 17  | | }
[INFO] [stdout] 18  | | } _doctest_main_src_disc_mod_rs_128_0() }
[INFO] [stdout]     | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Result<Infallible, nod::Error>>` is not implemented for `()`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> src/disc/mod.rs:135:48
[INFO] [stdout]     |
[INFO] [stdout] 3   |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_disc_mod_rs_128_0() {
[INFO] [stdout]     |  ______________________________________-
[INFO] [stdout] 4   | | use nod::disc::{new_disc_base, PartHeader};
[INFO] [stdout] 5   | | use nod::fst::NodeType;
[INFO] [stdout] 6   | | use nod::io::new_disc_io;
[INFO] [stdout] ...   |
[INFO] [stdout] 10  | | let disc_base = new_disc_base(disc_io.as_mut())?;
[INFO] [stdout]     | |                                                ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] ...   |
[INFO] [stdout] 17  | | }
[INFO] [stdout] 18  | | } _doctest_main_src_disc_mod_rs_128_0() }
[INFO] [stdout]     | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Result<Infallible, nod::Error>>` is not implemented for `()`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> src/disc/mod.rs:136:67
[INFO] [stdout]     |
[INFO] [stdout] 3   |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_disc_mod_rs_128_0() {
[INFO] [stdout]     |  ______________________________________-
[INFO] [stdout] 4   | | use nod::disc::{new_disc_base, PartHeader};
[INFO] [stdout] 5   | | use nod::fst::NodeType;
[INFO] [stdout] 6   | | use nod::io::new_disc_io;
[INFO] [stdout] ...   |
[INFO] [stdout] 11  | | let mut partition = disc_base.get_data_partition(disc_io.as_mut())?;
[INFO] [stdout]     | |                                                                   ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] ...   |
[INFO] [stdout] 17  | | }
[INFO] [stdout] 18  | | } _doctest_main_src_disc_mod_rs_128_0() }
[INFO] [stdout]     | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Result<Infallible, nod::Error>>` is not implemented for `()`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> src/disc/mod.rs:137:37
[INFO] [stdout]     |
[INFO] [stdout] 3   |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_disc_mod_rs_128_0() {
[INFO] [stdout]     |  ______________________________________-
[INFO] [stdout] 4   | | use nod::disc::{new_disc_base, PartHeader};
[INFO] [stdout] 5   | | use nod::fst::NodeType;
[INFO] [stdout] 6   | | use nod::io::new_disc_io;
[INFO] [stdout] ...   |
[INFO] [stdout] 12  | | let header = partition.read_header()?;
[INFO] [stdout]     | |                                     ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] ...   |
[INFO] [stdout] 17  | | }
[INFO] [stdout] 18  | | } _doctest_main_src_disc_mod_rs_128_0() }
[INFO] [stdout]     | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Result<Infallible, nod::Error>>` is not implemented for `()`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> src/disc/mod.rs:140:38
[INFO] [stdout]     |
[INFO] [stdout] 3   |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_disc_mod_rs_128_0() {
[INFO] [stdout]     |  ______________________________________-
[INFO] [stdout] 4   | | use nod::disc::{new_disc_base, PartHeader};
[INFO] [stdout] 5   | | use nod::fst::NodeType;
[INFO] [stdout] 6   | | use nod::io::new_disc_io;
[INFO] [stdout] ...   |
[INFO] [stdout] 15  | |     partition.begin_file_stream(node)?.read_to_string(&mut s);
[INFO] [stdout]     | |                                      ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 16  | |     println!(s);
[INFO] [stdout] 17  | | }
[INFO] [stdout] 18  | | } _doctest_main_src_disc_mod_rs_128_0() }
[INFO] [stdout]     | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Result<Infallible, std::io::Error>>` is not implemented for `()`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/disc/mod.rs - disc::PartHeader::find_node (line 165) stdout ----
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]   --> src/disc/mod.rs:175:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |     println!(node.name);
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]    |
[INFO] [stdout] 13 |     println!("{}", node.name);
[INFO] [stdout]    |              +++++
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> src/disc/mod.rs:170:55
[INFO] [stdout]     |
[INFO] [stdout] 3   |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_disc_mod_rs_165_0() {
[INFO] [stdout]     |  ______________________________________-
[INFO] [stdout] 4   | | use nod::disc::{new_disc_base, PartHeader};
[INFO] [stdout] 5   | | use nod::fst::NodeType;
[INFO] [stdout] 6   | | use nod::io::new_disc_io;
[INFO] [stdout] 7   | |
[INFO] [stdout] 8   | | let mut disc_io = new_disc_io("path/to/file".as_ref())?;
[INFO] [stdout]     | |                                                       ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] ...   |
[INFO] [stdout] 17  | | }
[INFO] [stdout] 18  | | } _doctest_main_src_disc_mod_rs_165_0() }
[INFO] [stdout]     | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Result<Infallible, nod::Error>>` is not implemented for `()`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> src/disc/mod.rs:171:48
[INFO] [stdout]     |
[INFO] [stdout] 3   |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_disc_mod_rs_165_0() {
[INFO] [stdout]     |  ______________________________________-
[INFO] [stdout] 4   | | use nod::disc::{new_disc_base, PartHeader};
[INFO] [stdout] 5   | | use nod::fst::NodeType;
[INFO] [stdout] 6   | | use nod::io::new_disc_io;
[INFO] [stdout] ...   |
[INFO] [stdout] 9   | | let disc_base = new_disc_base(disc_io.as_mut())?;
[INFO] [stdout]     | |                                                ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] ...   |
[INFO] [stdout] 17  | | }
[INFO] [stdout] 18  | | } _doctest_main_src_disc_mod_rs_165_0() }
[INFO] [stdout]     | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Result<Infallible, nod::Error>>` is not implemented for `()`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> src/disc/mod.rs:172:67
[INFO] [stdout]     |
[INFO] [stdout] 3   |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_disc_mod_rs_165_0() {
[INFO] [stdout]     |  ______________________________________-
[INFO] [stdout] 4   | | use nod::disc::{new_disc_base, PartHeader};
[INFO] [stdout] 5   | | use nod::fst::NodeType;
[INFO] [stdout] 6   | | use nod::io::new_disc_io;
[INFO] [stdout] ...   |
[INFO] [stdout] 10  | | let mut partition = disc_base.get_data_partition(disc_io.as_mut())?;
[INFO] [stdout]     | |                                                                   ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] ...   |
[INFO] [stdout] 17  | | }
[INFO] [stdout] 18  | | } _doctest_main_src_disc_mod_rs_165_0() }
[INFO] [stdout]     | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Result<Infallible, nod::Error>>` is not implemented for `()`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> src/disc/mod.rs:173:37
[INFO] [stdout]     |
[INFO] [stdout] 3   |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_disc_mod_rs_165_0() {
[INFO] [stdout]     |  ______________________________________-
[INFO] [stdout] 4   | | use nod::disc::{new_disc_base, PartHeader};
[INFO] [stdout] 5   | | use nod::fst::NodeType;
[INFO] [stdout] 6   | | use nod::io::new_disc_io;
[INFO] [stdout] ...   |
[INFO] [stdout] 11  | | let header = partition.read_header()?;
[INFO] [stdout]     | |                                     ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] ...   |
[INFO] [stdout] 17  | | }
[INFO] [stdout] 18  | | } _doctest_main_src_disc_mod_rs_165_0() }
[INFO] [stdout]     | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Result<Infallible, nod::Error>>` is not implemented for `()`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 13) stdout ----
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]   --> src/lib.rs:26:14
[INFO] [stdout]    |
[INFO] [stdout] 16 |     println!(s);
[INFO] [stdout]    |              ^
[INFO] [stdout]    |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]    |
[INFO] [stdout] 16 |     println!("{}", s);
[INFO] [stdout]    |              +++++
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> src/lib.rs:19:55
[INFO] [stdout]     |
[INFO] [stdout] 3   |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_13_0() {
[INFO] [stdout]     |  ______________________________________-
[INFO] [stdout] 4   | | use nod::disc::{new_disc_base, PartHeader};
[INFO] [stdout] 5   | | use nod::fst::NodeType;
[INFO] [stdout] 6   | | use nod::io::new_disc_io;
[INFO] [stdout] ...   |
[INFO] [stdout] 9   | | let mut disc_io = new_disc_io("path/to/file".as_ref())?;
[INFO] [stdout]     | |                                                       ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] ...   |
[INFO] [stdout] 17  | | }
[INFO] [stdout] 18  | | } _doctest_main_src_lib_rs_13_0() }
[INFO] [stdout]     | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Result<Infallible, nod::Error>>` is not implemented for `()`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> src/lib.rs:20:48
[INFO] [stdout]     |
[INFO] [stdout] 3   |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_13_0() {
[INFO] [stdout]     |  ______________________________________-
[INFO] [stdout] 4   | | use nod::disc::{new_disc_base, PartHeader};
[INFO] [stdout] 5   | | use nod::fst::NodeType;
[INFO] [stdout] 6   | | use nod::io::new_disc_io;
[INFO] [stdout] ...   |
[INFO] [stdout] 10  | | let disc_base = new_disc_base(disc_io.as_mut())?;
[INFO] [stdout]     | |                                                ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] ...   |
[INFO] [stdout] 17  | | }
[INFO] [stdout] 18  | | } _doctest_main_src_lib_rs_13_0() }
[INFO] [stdout]     | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Result<Infallible, nod::Error>>` is not implemented for `()`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> src/lib.rs:21:67
[INFO] [stdout]     |
[INFO] [stdout] 3   |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_13_0() {
[INFO] [stdout]     |  ______________________________________-
[INFO] [stdout] 4   | | use nod::disc::{new_disc_base, PartHeader};
[INFO] [stdout] 5   | | use nod::fst::NodeType;
[INFO] [stdout] 6   | | use nod::io::new_disc_io;
[INFO] [stdout] ...   |
[INFO] [stdout] 11  | | let mut partition = disc_base.get_data_partition(disc_io.as_mut())?;
[INFO] [stdout]     | |                                                                   ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] ...   |
[INFO] [stdout] 17  | | }
[INFO] [stdout] 18  | | } _doctest_main_src_lib_rs_13_0() }
[INFO] [stdout]     | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Result<Infallible, nod::Error>>` is not implemented for `()`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> src/lib.rs:22:37
[INFO] [stdout]     |
[INFO] [stdout] 3   |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_13_0() {
[INFO] [stdout]     |  ______________________________________-
[INFO] [stdout] 4   | | use nod::disc::{new_disc_base, PartHeader};
[INFO] [stdout] 5   | | use nod::fst::NodeType;
[INFO] [stdout] 6   | | use nod::io::new_disc_io;
[INFO] [stdout] ...   |
[INFO] [stdout] 12  | | let header = partition.read_header()?;
[INFO] [stdout]     | |                                     ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] ...   |
[INFO] [stdout] 17  | | }
[INFO] [stdout] 18  | | } _doctest_main_src_lib_rs_13_0() }
[INFO] [stdout]     | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Result<Infallible, nod::Error>>` is not implemented for `()`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> src/lib.rs:25:38
[INFO] [stdout]     |
[INFO] [stdout] 3   |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_13_0() {
[INFO] [stdout]     |  ______________________________________-
[INFO] [stdout] 4   | | use nod::disc::{new_disc_base, PartHeader};
[INFO] [stdout] 5   | | use nod::fst::NodeType;
[INFO] [stdout] 6   | | use nod::io::new_disc_io;
[INFO] [stdout] ...   |
[INFO] [stdout] 15  | |     partition.begin_file_stream(node)?.read_to_string(&mut s);
[INFO] [stdout]     | |                                      ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 16  | |     println!(s);
[INFO] [stdout] 17  | | }
[INFO] [stdout] 18  | | } _doctest_main_src_lib_rs_13_0() }
[INFO] [stdout]     | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Result<Infallible, std::io::Error>>` is not implemented for `()`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/disc/mod.rs - disc::DiscBase::get_data_partition (line 84)
[INFO] [stdout]     src/disc/mod.rs - disc::PartHeader::find_node (line 165)
[INFO] [stdout]     src/disc/mod.rs - disc::PartReadStream::begin_file_stream (line 128)
[INFO] [stdout]     src/disc/mod.rs - disc::new_disc_base (line 100)
[INFO] [stdout]     src/io/mod.rs - io::new_disc_io (line 38)
[INFO] [stdout]     src/lib.rs - (line 13)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 6 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "08d7aa1ae54a8e1e5078c7a3c4eb1abccd841dc0ac77609e017e5bd7e3f2b5f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08d7aa1ae54a8e1e5078c7a3c4eb1abccd841dc0ac77609e017e5bd7e3f2b5f4", kill_on_drop: false }`
[INFO] [stdout] 08d7aa1ae54a8e1e5078c7a3c4eb1abccd841dc0ac77609e017e5bd7e3f2b5f4