[INFO] fetching crate compose_yml 0.0.59...
[INFO] checking compose_yml-0.0.59 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate compose_yml 0.0.59 into /workspace/builds/worker-7-tc2/source
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config
[INFO] started tweaking crates.io crate compose_yml 0.0.59
[INFO] finished tweaking crates.io crate compose_yml 0.0.59
[INFO] tweaked toml for crates.io crate compose_yml 0.0.59 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate compose_yml 0.0.59 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate compose_yml 0.0.59 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14b7e496d33ab359bc1e769880357fe14aa2ddd62afbb1f8e48f64328f798fc1
[INFO] running `Command { std: "docker" "start" "-a" "14b7e496d33ab359bc1e769880357fe14aa2ddd62afbb1f8e48f64328f798fc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14b7e496d33ab359bc1e769880357fe14aa2ddd62afbb1f8e48f64328f798fc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14b7e496d33ab359bc1e769880357fe14aa2ddd62afbb1f8e48f64328f798fc1", kill_on_drop: false }`
[INFO] [stdout] 14b7e496d33ab359bc1e769880357fe14aa2ddd62afbb1f8e48f64328f798fc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2956e37485588e7bcfdee33fc528140fa32e7fa6849429b80fed80843f6526db
[INFO] running `Command { std: "docker" "start" "-a" "2956e37485588e7bcfdee33fc528140fa32e7fa6849429b80fed80843f6526db", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking chrono v0.4.12
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling valico v3.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking jsonway v2.0.0
[INFO] [stderr]     Checking compose_yml v0.0.59 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]   --> src/errors.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         source: Option<Box<dyn StdError + Send + Sync + 'static>>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]   --> src/errors.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |         source: Box<dyn StdError + Send + Sync + 'static>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]   --> src/errors.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         source: Box<dyn StdError + Send + Sync + 'static>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]   --> src/errors.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |         source: Box<dyn StdError + Send + Sync + 'static>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]   --> src/errors.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         source: Option<Box<dyn StdError + Send + Sync + 'static>>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]   --> src/errors.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |         source: Box<dyn StdError + Send + Sync + 'static>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]   --> src/errors.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         source: Box<dyn StdError + Send + Sync + 'static>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]   --> src/errors.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |         source: Box<dyn StdError + Send + Sync + 'static>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/v2/interpolation.rs:331:17
[INFO] [stdout]     |
[INFO] [stdout] 331 |                 FromStr::from_str(s).map_err(|err| convert_err(err, s))
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 342 | impl_interpolatable_value!(String);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]     = note: this error originates in the macro `impl_interpolatable_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/v2/mode_enum.rs:116:44
[INFO] [stdout]     |
[INFO] [stdout] 116 |                                  let value = FromStr::from_str(valstr).map_err(|_| {
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 130 | / mode_enum! {
[INFO] [stdout] 131 | |     /// How should we configure the container's networking?
[INFO] [stdout] 132 | |     #[derive(Debug, Clone, PartialEq, Eq)]
[INFO] [stdout] 133 | |     pub enum NetworkMode {
[INFO] [stdout] ...   |
[INFO] [stdout] 146 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `mode_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/v2/mode_enum.rs:116:44
[INFO] [stdout]     |
[INFO] [stdout] 116 |                                  let value = FromStr::from_str(valstr).map_err(|_| {
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 163 | / mode_enum! {
[INFO] [stdout] 164 | |     /// What process ID namespace should we use?
[INFO] [stdout] 165 | |     #[derive(Debug, Clone, PartialEq, Eq)]
[INFO] [stdout] 166 | |     pub enum PidMode {
[INFO] [stdout] ...   |
[INFO] [stdout] 176 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `mode_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/v2/mode_enum.rs:116:44
[INFO] [stdout]     |
[INFO] [stdout] 116 |                                  let value = FromStr::from_str(valstr).map_err(|_| {
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 178 | / mode_enum! {
[INFO] [stdout] 179 | |     /// What IPC namespace should we use for our container?
[INFO] [stdout] 180 | |     #[derive(Debug, Clone, PartialEq, Eq)]
[INFO] [stdout] 181 | |     pub enum IpcMode {
[INFO] [stdout] ...   |
[INFO] [stdout] 191 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `mode_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<build::Build, void::Void>
[INFO] [stdout]   --> src/v2/build.rs:68:61
[INFO] [stdout]    |
[INFO] [stdout] 68 |       fn from_str(s: &str) -> result::Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________________^
[INFO] [stdout] 69 | |         Ok(Build::new(Context::new(s)))
[INFO] [stdout] 70 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<build::Build, void::Void>
[INFO] [stdout]   --> src/v2/build.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         Ok(Build::new(Context::new(s)))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<context::Context, void::Void>
[INFO] [stdout]    --> src/v2/interpolation.rs:331:17
[INFO] [stdout]     |
[INFO] [stdout] 331 |                 FromStr::from_str(s).map_err(|err| convert_err(err, s))
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/v2/context.rs:46:1
[INFO] [stdout]     |
[INFO] [stdout]  46 | impl_interpolatable_value!(Context);
[INFO] [stdout]     | ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_interpolatable_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<context::Context, void::Void>
[INFO] [stdout]   --> src/v2/context.rs:51:61
[INFO] [stdout]    |
[INFO] [stdout] 51 |       fn from_str(s: &str) -> result::Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________________^
[INFO] [stdout] 52 | |         Ok(Context::new(s))
[INFO] [stdout] 53 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<context::Context, void::Void>
[INFO] [stdout]   --> src/v2/context.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         Ok(Context::new(s))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `compose_yml` (lib) due to 9 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/v2/interpolation.rs:331:17
[INFO] [stdout]     |
[INFO] [stdout] 331 |                 FromStr::from_str(s).map_err(|err| convert_err(err, s))
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 342 | impl_interpolatable_value!(String);
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]     = note: this error originates in the macro `impl_interpolatable_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/v2/mode_enum.rs:116:44
[INFO] [stdout]     |
[INFO] [stdout] 116 |                                  let value = FromStr::from_str(valstr).map_err(|_| {
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 130 | / mode_enum! {
[INFO] [stdout] 131 | |     /// How should we configure the container's networking?
[INFO] [stdout] 132 | |     #[derive(Debug, Clone, PartialEq, Eq)]
[INFO] [stdout] 133 | |     pub enum NetworkMode {
[INFO] [stdout] ...   |
[INFO] [stdout] 146 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `mode_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/v2/mode_enum.rs:116:44
[INFO] [stdout]     |
[INFO] [stdout] 116 |                                  let value = FromStr::from_str(valstr).map_err(|_| {
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 163 | / mode_enum! {
[INFO] [stdout] 164 | |     /// What process ID namespace should we use?
[INFO] [stdout] 165 | |     #[derive(Debug, Clone, PartialEq, Eq)]
[INFO] [stdout] 166 | |     pub enum PidMode {
[INFO] [stdout] ...   |
[INFO] [stdout] 176 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `mode_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/v2/mode_enum.rs:116:44
[INFO] [stdout]     |
[INFO] [stdout] 116 |                                  let value = FromStr::from_str(valstr).map_err(|_| {
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 178 | / mode_enum! {
[INFO] [stdout] 179 | |     /// What IPC namespace should we use for our container?
[INFO] [stdout] 180 | |     #[derive(Debug, Clone, PartialEq, Eq)]
[INFO] [stdout] 181 | |     pub enum IpcMode {
[INFO] [stdout] ...   |
[INFO] [stdout] 191 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `mode_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<build::Build, void::Void>
[INFO] [stdout]   --> src/v2/build.rs:68:61
[INFO] [stdout]    |
[INFO] [stdout] 68 |       fn from_str(s: &str) -> result::Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________________^
[INFO] [stdout] 69 | |         Ok(Build::new(Context::new(s)))
[INFO] [stdout] 70 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<build::Build, void::Void>
[INFO] [stdout]   --> src/v2/build.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         Ok(Build::new(Context::new(s)))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<build::Build, void::Void>
[INFO] [stdout]   --> src/v2/build.rs:91:24
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let build: Build = Build::from_str(".").unwrap();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<context::Context, void::Void>
[INFO] [stdout]    --> src/v2/interpolation.rs:331:17
[INFO] [stdout]     |
[INFO] [stdout] 331 |                 FromStr::from_str(s).map_err(|err| convert_err(err, s))
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/v2/context.rs:46:1
[INFO] [stdout]     |
[INFO] [stdout]  46 | impl_interpolatable_value!(Context);
[INFO] [stdout]     | ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_interpolatable_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<context::Context, void::Void>
[INFO] [stdout]   --> src/v2/context.rs:51:61
[INFO] [stdout]    |
[INFO] [stdout] 51 |       fn from_str(s: &str) -> result::Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________________^
[INFO] [stdout] 52 | |         Ok(Context::new(s))
[INFO] [stdout] 53 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<context::Context, void::Void>
[INFO] [stdout]   --> src/v2/context.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         Ok(Context::new(s))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<context::Context, void::Void>
[INFO] [stdout]   --> src/v2/context.rs:78:32
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let context: Context = FromStr::from_str(url).unwrap();
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<context::Context, void::Void>
[INFO] [stdout]   --> src/v2/context.rs:91:32
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let context: Context = FromStr::from_str(path).unwrap();
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<context::Context, void::Void>
[INFO] [stdout]   --> src/v2/context.rs:99:24
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let dir: Context = FromStr::from_str("./foo").unwrap();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<context::Context, void::Void>
[INFO] [stdout]    --> src/v2/context.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |         FromStr::from_str("git@github.com:docker/docker.git").unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<context::Context, void::Void>
[INFO] [stdout]    --> src/v2/context.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |         FromStr::from_str("git@github.com:docker/docker.git#somebranch").unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<context::Context, void::Void>
[INFO] [stdout]    --> src/v2/context.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         FromStr::from_str("git@github.com:docker/docker.git#:somedir").unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<context::Context, void::Void>
[INFO] [stdout]    --> src/v2/context.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |         FromStr::from_str("git@github.com:docker/docker.git#somebranch:somedir")
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `compose_yml` (lib test) due to 17 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2956e37485588e7bcfdee33fc528140fa32e7fa6849429b80fed80843f6526db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2956e37485588e7bcfdee33fc528140fa32e7fa6849429b80fed80843f6526db", kill_on_drop: false }`
[INFO] [stdout] 2956e37485588e7bcfdee33fc528140fa32e7fa6849429b80fed80843f6526db
