[INFO] fetching crate min_http11_core 0.1.12...
[INFO] checking min_http11_core-0.1.12 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate min_http11_core 0.1.12 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate min_http11_core 0.1.12
[INFO] finished tweaking crates.io crate min_http11_core 0.1.12
[INFO] tweaked toml for crates.io crate min_http11_core 0.1.12 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate min_http11_core 0.1.12 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 min_http11_core 0.1.12 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8ad0fec1740fcf9e0513020b34d881f1b504ec632feb8051f996283099bcba02
[INFO] running `Command { std: "docker" "start" "-a" "8ad0fec1740fcf9e0513020b34d881f1b504ec632feb8051f996283099bcba02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ad0fec1740fcf9e0513020b34d881f1b504ec632feb8051f996283099bcba02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ad0fec1740fcf9e0513020b34d881f1b504ec632feb8051f996283099bcba02", kill_on_drop: false }`
[INFO] [stdout] 8ad0fec1740fcf9e0513020b34d881f1b504ec632feb8051f996283099bcba02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d421c1f50a990c9e4e235836afb9d31b8dd1b32588eda40692a27949b17e31f3
[INFO] running `Command { std: "docker" "start" "-a" "d421c1f50a990c9e4e235836afb9d31b8dd1b32588eda40692a27949b17e31f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]     Checking min_http11_core v0.1.12 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<others::HeaderName, Infallible>
[INFO] [stdout]    --> src/request.rs:535:13
[INFO] [stdout]     |
[INFO] [stdout] 535 |             HeaderName::owned(b"HOST").unwrap().try_into(),
[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<others::HeaderName, Infallible>
[INFO] [stdout]    --> src/request.rs:536:13
[INFO] [stdout]     |
[INFO] [stdout] 536 |             Ok(HeaderName::Host)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<others::HeaderName, Infallible>
[INFO] [stdout]    --> src/request.rs:534:9
[INFO] [stdout]     |
[INFO] [stdout] 534 | /         assert_eq!(
[INFO] [stdout] 535 | |             HeaderName::owned(b"HOST").unwrap().try_into(),
[INFO] [stdout] 536 | |             Ok(HeaderName::Host)
[INFO] [stdout] 537 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (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<others::HeaderName, Infallible>
[INFO] [stdout]    --> src/request.rs:534:9
[INFO] [stdout]     |
[INFO] [stdout] 534 | /         assert_eq!(
[INFO] [stdout] 535 | |             HeaderName::owned(b"HOST").unwrap().try_into(),
[INFO] [stdout] 536 | |             Ok(HeaderName::Host)
[INFO] [stdout] 537 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (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<others::HeaderName, Infallible>
[INFO] [stdout]    --> src/request.rs:534:9
[INFO] [stdout]     |
[INFO] [stdout] 534 | /         assert_eq!(
[INFO] [stdout] 535 | |             HeaderName::owned(b"HOST").unwrap().try_into(),
[INFO] [stdout] 536 | |             Ok(HeaderName::Host)
[INFO] [stdout] 537 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (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<others::HeaderName, Infallible>
[INFO] [stdout]    --> src/request.rs:534:9
[INFO] [stdout]     |
[INFO] [stdout] 534 | /         assert_eq!(
[INFO] [stdout] 535 | |             HeaderName::owned(b"HOST").unwrap().try_into(),
[INFO] [stdout] 536 | |             Ok(HeaderName::Host)
[INFO] [stdout] 537 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (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<others::HeaderName, Infallible>
[INFO] [stdout]    --> src/request.rs:539:13
[INFO] [stdout]     |
[INFO] [stdout] 539 |             HeaderName::owned(b"accept").unwrap().try_into(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<others::HeaderName, Infallible>
[INFO] [stdout]    --> src/request.rs:540:13
[INFO] [stdout]     |
[INFO] [stdout] 540 |             Ok(HeaderName::Accept)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<others::HeaderName, Infallible>
[INFO] [stdout]    --> src/request.rs:538:9
[INFO] [stdout]     |
[INFO] [stdout] 538 | /         assert_eq!(
[INFO] [stdout] 539 | |             HeaderName::owned(b"accept").unwrap().try_into(),
[INFO] [stdout] 540 | |             Ok(HeaderName::Accept)
[INFO] [stdout] 541 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (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<others::HeaderName, Infallible>
[INFO] [stdout]    --> src/request.rs:538:9
[INFO] [stdout]     |
[INFO] [stdout] 538 | /         assert_eq!(
[INFO] [stdout] 539 | |             HeaderName::owned(b"accept").unwrap().try_into(),
[INFO] [stdout] 540 | |             Ok(HeaderName::Accept)
[INFO] [stdout] 541 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (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<others::HeaderName, Infallible>
[INFO] [stdout]    --> src/request.rs:538:9
[INFO] [stdout]     |
[INFO] [stdout] 538 | /         assert_eq!(
[INFO] [stdout] 539 | |             HeaderName::owned(b"accept").unwrap().try_into(),
[INFO] [stdout] 540 | |             Ok(HeaderName::Accept)
[INFO] [stdout] 541 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (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<others::HeaderName, Infallible>
[INFO] [stdout]    --> src/request.rs:538:9
[INFO] [stdout]     |
[INFO] [stdout] 538 | /         assert_eq!(
[INFO] [stdout] 539 | |             HeaderName::owned(b"accept").unwrap().try_into(),
[INFO] [stdout] 540 | |             Ok(HeaderName::Accept)
[INFO] [stdout] 541 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (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<others::HeaderName, Infallible>
[INFO] [stdout]    --> src/request.rs:543:13
[INFO] [stdout]     |
[INFO] [stdout] 543 |             HeaderName::owned(b"Unknown").unwrap().try_into(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<others::HeaderName, Infallible>
[INFO] [stdout]    --> src/request.rs:544:13
[INFO] [stdout]     |
[INFO] [stdout] 544 |             Ok(HeaderName::Unknown(b"unknown".to_vec()))
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<others::HeaderName, Infallible>
[INFO] [stdout]    --> src/request.rs:542:9
[INFO] [stdout]     |
[INFO] [stdout] 542 | /         assert_eq!(
[INFO] [stdout] 543 | |             HeaderName::owned(b"Unknown").unwrap().try_into(),
[INFO] [stdout] 544 | |             Ok(HeaderName::Unknown(b"unknown".to_vec()))
[INFO] [stdout] 545 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (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<others::HeaderName, Infallible>
[INFO] [stdout]    --> src/request.rs:542:9
[INFO] [stdout]     |
[INFO] [stdout] 542 | /         assert_eq!(
[INFO] [stdout] 543 | |             HeaderName::owned(b"Unknown").unwrap().try_into(),
[INFO] [stdout] 544 | |             Ok(HeaderName::Unknown(b"unknown".to_vec()))
[INFO] [stdout] 545 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (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<others::HeaderName, Infallible>
[INFO] [stdout]    --> src/request.rs:542:9
[INFO] [stdout]     |
[INFO] [stdout] 542 | /         assert_eq!(
[INFO] [stdout] 543 | |             HeaderName::owned(b"Unknown").unwrap().try_into(),
[INFO] [stdout] 544 | |             Ok(HeaderName::Unknown(b"unknown".to_vec()))
[INFO] [stdout] 545 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (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<others::HeaderName, Infallible>
[INFO] [stdout]    --> src/request.rs:542:9
[INFO] [stdout]     |
[INFO] [stdout] 542 | /         assert_eq!(
[INFO] [stdout] 543 | |             HeaderName::owned(b"Unknown").unwrap().try_into(),
[INFO] [stdout] 544 | |             Ok(HeaderName::Unknown(b"unknown".to_vec()))
[INFO] [stdout] 545 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (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<others::HeaderName, Infallible>
[INFO] [stdout]    --> src/request.rs:547:13
[INFO] [stdout]     |
[INFO] [stdout] 547 |             HeaderName::owned(b"unknown").unwrap().try_into(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<others::HeaderName, Infallible>
[INFO] [stdout]    --> src/request.rs:548:13
[INFO] [stdout]     |
[INFO] [stdout] 548 |             Ok(HeaderName::Unknown(b"unknown".to_vec()))
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<others::HeaderName, Infallible>
[INFO] [stdout]    --> src/request.rs:546:9
[INFO] [stdout]     |
[INFO] [stdout] 546 | /         assert_eq!(
[INFO] [stdout] 547 | |             HeaderName::owned(b"unknown").unwrap().try_into(),
[INFO] [stdout] 548 | |             Ok(HeaderName::Unknown(b"unknown".to_vec()))
[INFO] [stdout] 549 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (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<others::HeaderName, Infallible>
[INFO] [stdout]    --> src/request.rs:546:9
[INFO] [stdout]     |
[INFO] [stdout] 546 | /         assert_eq!(
[INFO] [stdout] 547 | |             HeaderName::owned(b"unknown").unwrap().try_into(),
[INFO] [stdout] 548 | |             Ok(HeaderName::Unknown(b"unknown".to_vec()))
[INFO] [stdout] 549 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (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<others::HeaderName, Infallible>
[INFO] [stdout]    --> src/request.rs:546:9
[INFO] [stdout]     |
[INFO] [stdout] 546 | /         assert_eq!(
[INFO] [stdout] 547 | |             HeaderName::owned(b"unknown").unwrap().try_into(),
[INFO] [stdout] 548 | |             Ok(HeaderName::Unknown(b"unknown".to_vec()))
[INFO] [stdout] 549 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (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<others::HeaderName, Infallible>
[INFO] [stdout]    --> src/request.rs:546:9
[INFO] [stdout]     |
[INFO] [stdout] 546 | /         assert_eq!(
[INFO] [stdout] 547 | |             HeaderName::owned(b"unknown").unwrap().try_into(),
[INFO] [stdout] 548 | |             Ok(HeaderName::Unknown(b"unknown".to_vec()))
[INFO] [stdout] 549 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `min_http11_core` (lib test) due to 24 previous errors
[INFO] running `Command { std: "docker" "inspect" "d421c1f50a990c9e4e235836afb9d31b8dd1b32588eda40692a27949b17e31f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d421c1f50a990c9e4e235836afb9d31b8dd1b32588eda40692a27949b17e31f3", kill_on_drop: false }`
[INFO] [stdout] d421c1f50a990c9e4e235836afb9d31b8dd1b32588eda40692a27949b17e31f3