[INFO] cloning repository https://github.com/dEajL3kA/rusty_httpd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dEajL3kA/rusty_httpd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdEajL3kA%2Frusty_httpd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdEajL3kA%2Frusty_httpd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d4c30a87364286d40cb294932f47d8c9351d985e
[INFO] checking dEajL3kA/rusty_httpd against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdEajL3kA%2Frusty_httpd" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/dEajL3kA/rusty_httpd
[INFO] finished tweaking git repo https://github.com/dEajL3kA/rusty_httpd
[INFO] tweaked toml for git repo https://github.com/dEajL3kA/rusty_httpd written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dEajL3kA/rusty_httpd 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 git repo https://github.com/dEajL3kA/rusty_httpd 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 858021a49cb6e8f1c6b293b7d275b6fa9887b7c6d0b0dd7621d8fbbb70dc1bba
[INFO] running `Command { std: "docker" "start" "-a" "858021a49cb6e8f1c6b293b7d275b6fa9887b7c6d0b0dd7621d8fbbb70dc1bba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "858021a49cb6e8f1c6b293b7d275b6fa9887b7c6d0b0dd7621d8fbbb70dc1bba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "858021a49cb6e8f1c6b293b7d275b6fa9887b7c6d0b0dd7621d8fbbb70dc1bba", kill_on_drop: false }`
[INFO] [stdout] 858021a49cb6e8f1c6b293b7d275b6fa9887b7c6d0b0dd7621d8fbbb70dc1bba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ef392fe0a1b03a2f21275e1b04a9a6f78991d0a3b3369463a0ea951baeb20585
[INFO] running `Command { std: "docker" "start" "-a" "ef392fe0a1b03a2f21275e1b04a9a6f78991d0a3b3369463a0ea951baeb20585", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling io-lifetimes v1.0.5
[INFO] [stderr]    Compiling rustix v0.36.8
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking spare_buffer v0.1.1
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking lazy_rc v0.1.3
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking urlencoding v2.1.2
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking case_insensitive_hashmap v1.0.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking mtcp-rs v0.1.11
[INFO] [stderr]     Checking is-terminal v0.4.3
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking ctrlc v3.2.5
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling winres v0.1.12
[INFO] [stderr]    Compiling rusty_httpd v1.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Value`
[INFO] [stdout]  --> src/utils/mod.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use value::{Value, ValueMap};
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Value`
[INFO] [stdout]  --> src/utils/mod.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use value::{Value, ValueMap};
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/http/query_string.rs:50:16
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn decode(str: &str) -> Cow<str> {
[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] 50 | fn decode(str: &str) -> Cow<'_, str> {
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/http/headers.rs:20:74
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn values(&'buf self, name: &str) -> Option<impl Iterator<Item = &str>> {
[INFO] [stdout]    |                    ---- the lifetime is named here                       ^^^^ the same 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: consistently use `'buf`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn values(&'buf self, name: &str) -> Option<impl Iterator<Item = &'buf str>> {
[INFO] [stdout]    |                                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/http/request.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn headers(&self) -> Option<&Headers> {
[INFO] [stdout]    |                    ^^^^^            ^^^^^^^^
[INFO] [stdout]    |                    |                ||
[INFO] [stdout]    |                    |                |the same lifetime is hidden here
[INFO] [stdout]    |                    |                the same lifetime is elided here
[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] 35 |     pub fn headers(&self) -> Option<&Headers<'_>> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/http/request.rs:39:18
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn query(&self) -> Option<&QueryString> {
[INFO] [stdout]    |                  ^^^^^            ^^^^^^^^^^^^
[INFO] [stdout]    |                  |                ||
[INFO] [stdout]    |                  |                |the same lifetime is hidden here
[INFO] [stdout]    |                  |                the same lifetime is elided here
[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] 39 |     pub fn query(&self) -> Option<&QueryString<'_>> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/web/web_handler.rs:128:25
[INFO] [stdout]     |
[INFO] [stdout] 128 |             .or_else(|| PathBuf::from_str("index.html").ok())
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/http/query_string.rs:50:16
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn decode(str: &str) -> Cow<str> {
[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] 50 | fn decode(str: &str) -> Cow<'_, str> {
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/http/headers.rs:20:74
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn values(&'buf self, name: &str) -> Option<impl Iterator<Item = &str>> {
[INFO] [stdout]    |                    ---- the lifetime is named here                       ^^^^ the same 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: consistently use `'buf`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn values(&'buf self, name: &str) -> Option<impl Iterator<Item = &'buf str>> {
[INFO] [stdout]    |                                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/http/request.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn headers(&self) -> Option<&Headers> {
[INFO] [stdout]    |                    ^^^^^            ^^^^^^^^
[INFO] [stdout]    |                    |                ||
[INFO] [stdout]    |                    |                |the same lifetime is hidden here
[INFO] [stdout]    |                    |                the same lifetime is elided here
[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] 35 |     pub fn headers(&self) -> Option<&Headers<'_>> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/http/request.rs:39:18
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn query(&self) -> Option<&QueryString> {
[INFO] [stdout]    |                  ^^^^^            ^^^^^^^^^^^^
[INFO] [stdout]    |                  |                ||
[INFO] [stdout]    |                  |                |the same lifetime is hidden here
[INFO] [stdout]    |                  |                the same lifetime is elided here
[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] 39 |     pub fn query(&self) -> Option<&QueryString<'_>> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/web/web_handler.rs:128:25
[INFO] [stdout]     |
[INFO] [stdout] 128 |             .or_else(|| PathBuf::from_str("index.html").ok())
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusty_httpd` (bin "rusty_httpd") due to 1 previous error; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rusty_httpd` (bin "rusty_httpd" test) due to 1 previous error; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ef392fe0a1b03a2f21275e1b04a9a6f78991d0a3b3369463a0ea951baeb20585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef392fe0a1b03a2f21275e1b04a9a6f78991d0a3b3369463a0ea951baeb20585", kill_on_drop: false }`
[INFO] [stdout] ef392fe0a1b03a2f21275e1b04a9a6f78991d0a3b3369463a0ea951baeb20585
