[INFO] fetching crate simplewebserver_rs 2.2.1...
[INFO] checking simplewebserver_rs-2.2.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate simplewebserver_rs 2.2.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate simplewebserver_rs 2.2.1
[INFO] finished tweaking crates.io crate simplewebserver_rs 2.2.1
[INFO] tweaked toml for crates.io crate simplewebserver_rs 2.2.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate simplewebserver_rs 2.2.1 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 simplewebserver_rs 2.2.1 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 00038b125cfbd88718c7baaea612b24c45317d8f7c8791734fd154c120e656a9
[INFO] running `Command { std: "docker" "start" "-a" "00038b125cfbd88718c7baaea612b24c45317d8f7c8791734fd154c120e656a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00038b125cfbd88718c7baaea612b24c45317d8f7c8791734fd154c120e656a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00038b125cfbd88718c7baaea612b24c45317d8f7c8791734fd154c120e656a9", kill_on_drop: false }`
[INFO] [stdout] 00038b125cfbd88718c7baaea612b24c45317d8f7c8791734fd154c120e656a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 052df1696ea13d5bae42561fde5d54649e1140d10f1811a13410c83aa7c3626e
[INFO] running `Command { std: "docker" "start" "-a" "052df1696ea13d5bae42561fde5d54649e1140d10f1811a13410c83aa7c3626e", kill_on_drop: false }`
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking paris v1.5.15
[INFO] [stderr]     Checking port_check v0.3.0
[INFO] [stderr]     Checking anstream v0.6.20
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking clap_builder v4.5.47
[INFO] [stderr]     Checking time v0.3.43
[INFO] [stderr]     Checking regex-automata v0.4.10
[INFO] [stderr]     Checking simplelog v0.12.2
[INFO] [stderr]     Checking regex v1.11.2
[INFO] [stderr]    Compiling clap_derive v4.5.47
[INFO] [stderr]     Checking clap v4.5.47
[INFO] [stderr]     Checking simplewebserver_rs v2.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<OsString, Infallible>
[INFO] [stdout]    --> src/main.rs:206:21
[INFO] [stdout]     |
[INFO] [stdout] 206 |                     "\\//\\".parse().unwrap()
[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: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:220:21
[INFO] [stdout]     |
[INFO] [stdout] 220 |                     "".parse().unwrap()
[INFO] [stdout]     |                     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:324:13
[INFO] [stdout]     |
[INFO] [stdout] 324 |             "SimpleWebServer.log".parse().unwrap(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:325:13
[INFO] [stdout]     |
[INFO] [stdout] 325 |             "SimpleWebServer-FULL.log".parse().unwrap(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simplewebserver_rs` (bin "simplewebserver_rs" test) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<OsString, Infallible>
[INFO] [stdout]    --> src/main.rs:206:21
[INFO] [stdout]     |
[INFO] [stdout] 206 |                     "\\//\\".parse().unwrap()
[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: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:220:21
[INFO] [stdout]     |
[INFO] [stdout] 220 |                     "".parse().unwrap()
[INFO] [stdout]     |                     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:324:13
[INFO] [stdout]     |
[INFO] [stdout] 324 |             "SimpleWebServer.log".parse().unwrap(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:325:13
[INFO] [stdout]     |
[INFO] [stdout] 325 |             "SimpleWebServer-FULL.log".parse().unwrap(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simplewebserver_rs` (bin "simplewebserver_rs") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "052df1696ea13d5bae42561fde5d54649e1140d10f1811a13410c83aa7c3626e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "052df1696ea13d5bae42561fde5d54649e1140d10f1811a13410c83aa7c3626e", kill_on_drop: false }`
[INFO] [stdout] 052df1696ea13d5bae42561fde5d54649e1140d10f1811a13410c83aa7c3626e