[INFO] fetching crate transporter 0.1.1...
[INFO] checking transporter-0.1.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate transporter 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate transporter 0.1.1
[INFO] finished tweaking crates.io crate transporter 0.1.1
[INFO] tweaked toml for crates.io crate transporter 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate transporter 0.1.1 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 transporter 0.1.1 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] 61e22ddc285c31a883298c1669bf650d8863ce120e5df1bbcfb6f7ba6992d9f7
[INFO] running `Command { std: "docker" "start" "-a" "61e22ddc285c31a883298c1669bf650d8863ce120e5df1bbcfb6f7ba6992d9f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61e22ddc285c31a883298c1669bf650d8863ce120e5df1bbcfb6f7ba6992d9f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61e22ddc285c31a883298c1669bf650d8863ce120e5df1bbcfb6f7ba6992d9f7", kill_on_drop: false }`
[INFO] [stdout] 61e22ddc285c31a883298c1669bf650d8863ce120e5df1bbcfb6f7ba6992d9f7
[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] a8890f32d3b0d661ec73cf8b28a3c78a003ebee23e976e978b41167e48b05463
[INFO] running `Command { std: "docker" "start" "-a" "a8890f32d3b0d661ec73cf8b28a3c78a003ebee23e976e978b41167e48b05463", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling typed-builder v0.6.0
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking transporter v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `name` is never used
[INFO] [stdout]   --> src/schema.rs:58:19
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl Type {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 58 |     pub(crate) fn name(&self) -> String {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BufFileCreator` is never constructed
[INFO] [stdout]   --> src/file_creator.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct BufFileCreator {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BufFileWriter` is never constructed
[INFO] [stdout]   --> src/file_creator.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct BufFileWriter(sync::Arc<sync::Mutex<Vec<u8>>>);
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `get_for_io` and `new` are never used
[INFO] [stdout]   --> src/file_creator.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl BufFileWriter {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 43 |     fn get_for_io(&mut self) -> io::Result<sync::MutexGuard<Vec<u8>>> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     fn new(inner: sync::Arc<sync::Mutex<Vec<u8>>>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/schema.rs:239:25
[INFO] [stdout]     |
[INFO] [stdout] 239 |     pub(crate) fn types(&self) -> Values<String, Rc<Type>> {
[INFO] [stdout]     |                         ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 239 |     pub(crate) fn types(&self) -> Values<'_, String, Rc<Type>> {
[INFO] [stdout]     |                                          +++
[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/rust/cli.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     #[structopt(long = "visibility", default_value = "pub(crate)")]
[INFO] [stdout] 20 | |     #[builder(default = "pub(crate)".to_string(), setter(into))]
[INFO] [stdout] 21 | |     visibility: String,
[INFO] [stdout]    | |______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[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/php/cli.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     #[structopt(short = "n", long = "namespace", default_value = "Transport")]
[INFO] [stdout] 20 | |     #[builder(default = "Transport".to_string(), setter(into))]
[INFO] [stdout] 21 | |     namespace: String,
[INFO] [stdout]    | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/php/php_type.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn kind(&self) -> Kind;
[INFO] [stdout]    |             ^^^^^     ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn kind(&self) -> Kind<'_>;
[INFO] [stdout]    |                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/php/php_type.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn kind(&self) -> Kind {
[INFO] [stdout]    |             ^^^^^     ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn kind(&self) -> Kind<'_> {
[INFO] [stdout]    |                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/file_creator.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn get_for_io(&mut self) -> io::Result<sync::MutexGuard<Vec<u8>>> {
[INFO] [stdout]    |                   ^^^^^^^^^                ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn get_for_io(&mut self) -> io::Result<sync::MutexGuard<'_, Vec<u8>>> {
[INFO] [stdout]    |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `transporter` (lib test) due to 2 previous errors; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: method `name` is never used
[INFO] [stdout]   --> src/schema.rs:58:19
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl Type {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 58 |     pub(crate) fn name(&self) -> String {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BufFileCreator` is never constructed
[INFO] [stdout]   --> src/file_creator.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct BufFileCreator {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BufFileWriter` is never constructed
[INFO] [stdout]   --> src/file_creator.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct BufFileWriter(sync::Arc<sync::Mutex<Vec<u8>>>);
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `get_for_io` and `new` are never used
[INFO] [stdout]   --> src/file_creator.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl BufFileWriter {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 43 |     fn get_for_io(&mut self) -> io::Result<sync::MutexGuard<Vec<u8>>> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     fn new(inner: sync::Arc<sync::Mutex<Vec<u8>>>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/schema.rs:239:25
[INFO] [stdout]     |
[INFO] [stdout] 239 |     pub(crate) fn types(&self) -> Values<String, Rc<Type>> {
[INFO] [stdout]     |                         ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 239 |     pub(crate) fn types(&self) -> Values<'_, String, Rc<Type>> {
[INFO] [stdout]     |                                          +++
[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/rust/cli.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     #[structopt(long = "visibility", default_value = "pub(crate)")]
[INFO] [stdout] 20 | |     #[builder(default = "pub(crate)".to_string(), setter(into))]
[INFO] [stdout] 21 | |     visibility: String,
[INFO] [stdout]    | |______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[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/php/cli.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     #[structopt(short = "n", long = "namespace", default_value = "Transport")]
[INFO] [stdout] 20 | |     #[builder(default = "Transport".to_string(), setter(into))]
[INFO] [stdout] 21 | |     namespace: String,
[INFO] [stdout]    | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/php/php_type.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn kind(&self) -> Kind;
[INFO] [stdout]    |             ^^^^^     ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn kind(&self) -> Kind<'_>;
[INFO] [stdout]    |                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/php/php_type.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn kind(&self) -> Kind {
[INFO] [stdout]    |             ^^^^^     ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn kind(&self) -> Kind<'_> {
[INFO] [stdout]    |                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/file_creator.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn get_for_io(&mut self) -> io::Result<sync::MutexGuard<Vec<u8>>> {
[INFO] [stdout]    |                   ^^^^^^^^^                ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn get_for_io(&mut self) -> io::Result<sync::MutexGuard<'_, Vec<u8>>> {
[INFO] [stdout]    |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `transporter` (lib) due to 2 previous errors; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "a8890f32d3b0d661ec73cf8b28a3c78a003ebee23e976e978b41167e48b05463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8890f32d3b0d661ec73cf8b28a3c78a003ebee23e976e978b41167e48b05463", kill_on_drop: false }`
[INFO] [stdout] a8890f32d3b0d661ec73cf8b28a3c78a003ebee23e976e978b41167e48b05463
