[INFO] fetching crate nod 0.1.1...
[INFO] testing nod-0.1.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate nod 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate nod 0.1.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-2/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" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded block-modes v0.8.1
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a73966cacc5cd2f6e0d56b164c0718852580aca5c2ce5996a5f777bf8b3e0f8a
[INFO] running `Command { std: "docker" "start" "-a" "a73966cacc5cd2f6e0d56b164c0718852580aca5c2ce5996a5f777bf8b3e0f8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a73966cacc5cd2f6e0d56b164c0718852580aca5c2ce5996a5f777bf8b3e0f8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a73966cacc5cd2f6e0d56b164c0718852580aca5c2ce5996a5f777bf8b3e0f8a", kill_on_drop: false }`
[INFO] [stdout] a73966cacc5cd2f6e0d56b164c0718852580aca5c2ce5996a5f777bf8b3e0f8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f487f936ef8862c663f32364629c4317c1989f635087c626ef05194bddbbd69
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3f487f936ef8862c663f32364629c4317c1989f635087c626ef05194bddbbd69", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling file-size v1.0.3
[INFO] [stderr]    Compiling cipher v0.3.0
[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 atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[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 34.01s
[INFO] running `Command { std: "docker" "inspect" "3f487f936ef8862c663f32364629c4317c1989f635087c626ef05194bddbbd69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f487f936ef8862c663f32364629c4317c1989f635087c626ef05194bddbbd69", kill_on_drop: false }`
[INFO] [stdout] 3f487f936ef8862c663f32364629c4317c1989f635087c626ef05194bddbbd69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 513c0ab60bad542634e2aef6979bf1aeb05d0e35e48de5cde257085b12e4ab71
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "513c0ab60bad542634e2aef6979bf1aeb05d0e35e48de5cde257085b12e4ab71", kill_on_drop: false }`
[INFO] [stderr]    Compiling nod v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.51s
[INFO] running `Command { std: "docker" "inspect" "513c0ab60bad542634e2aef6979bf1aeb05d0e35e48de5cde257085b12e4ab71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "513c0ab60bad542634e2aef6979bf1aeb05d0e35e48de5cde257085b12e4ab71", kill_on_drop: false }`
[INFO] [stdout] 513c0ab60bad542634e2aef6979bf1aeb05d0e35e48de5cde257085b12e4ab71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c63a78030c9344b5a09e1398806b57456b32a9c0af80f6e7f3808c7aa02b1915
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c63a78030c9344b5a09e1398806b57456b32a9c0af80f6e7f3808c7aa02b1915", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nod-48476d3291c72745)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nodtool-d73085b55022e466)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    Doc-tests nod
[INFO] [stdout] 
[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] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/disc/mod.rs - disc::new_disc_base (line 100) ... FAILED
[INFO] [stdout] test src/disc/mod.rs - disc::PartHeader::find_node (line 165) ... FAILED
[INFO] [stdout] test src/io/mod.rs - io::new_disc_io (line 38) ... FAILED
[INFO] [stdout] test src/disc/mod.rs - disc::PartReadStream::begin_file_stream (line 128) ... FAILED
[INFO] [stdout] test src/disc/mod.rs - disc::DiscBase::get_data_partition (line 84) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 13) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[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] 
[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] 
[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::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] 
[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] 
[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] 
[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] 
[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/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] 
[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::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] 
[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] 
[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] 
[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] 
[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] 
[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::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] 
[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] 
[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] 
[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/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] 
[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] 
[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] 
[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] 
[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] 
[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 0.87s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "c63a78030c9344b5a09e1398806b57456b32a9c0af80f6e7f3808c7aa02b1915", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c63a78030c9344b5a09e1398806b57456b32a9c0af80f6e7f3808c7aa02b1915", kill_on_drop: false }`
[INFO] [stdout] c63a78030c9344b5a09e1398806b57456b32a9c0af80f6e7f3808c7aa02b1915