[INFO] fetching crate feedlynx 0.2.0...
[INFO] checking feedlynx-0.2.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate feedlynx 0.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate feedlynx 0.2.0
[INFO] finished tweaking crates.io crate feedlynx 0.2.0
[INFO] tweaked toml for crates.io crate feedlynx 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate feedlynx 0.2.0 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 feedlynx 0.2.0 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] 3e9f766aacb1f2b8b1512a4cb4aa76ead0342406de30c56953955cf833656020
[INFO] running `Command { std: "docker" "start" "-a" "3e9f766aacb1f2b8b1512a4cb4aa76ead0342406de30c56953955cf833656020", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e9f766aacb1f2b8b1512a4cb4aa76ead0342406de30c56953955cf833656020", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e9f766aacb1f2b8b1512a4cb4aa76ead0342406de30c56953955cf833656020", kill_on_drop: false }`
[INFO] [stdout] 3e9f766aacb1f2b8b1512a4cb4aa76ead0342406de30c56953955cf833656020
[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] 837f71e4f6a02baf04c8ffb72c4cbbe58e489ada18c82aa62bce471aa1fbea00
[INFO] running `Command { std: "docker" "start" "-a" "837f71e4f6a02baf04c8ffb72c4cbbe58e489ada18c82aa62bce471aa1fbea00", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.1.6
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling jetscii v0.5.3
[INFO] [stderr]    Compiling minreq v2.12.0
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking chunked_transfer v1.5.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking env_filter v0.1.2
[INFO] [stderr]     Checking quick-xml v0.31.0
[INFO] [stderr]     Checking pico-args v0.5.0
[INFO] [stderr]     Checking tinyjson v2.5.1
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking tiny_http v0.12.0
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking env_logger v0.11.5
[INFO] [stderr]     Checking html5gum v0.5.7
[INFO] [stderr]     Checking diligent-date-parser v0.1.4
[INFO] [stderr]     Checking atom_syndication v0.12.3
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking feedlynx v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<OsString, Infallible>
[INFO] [stdout]   --> src/cli.rs:37:56
[INFO] [stdout]    |
[INFO] [stdout] 37 |   fn osstring(s: &OsStr) -> Result<OsString, Infallible> {
[INFO] [stdout]    |  ________________________________________________________^
[INFO] [stdout] 38 | |     Ok(s.to_os_string())
[INFO] [stdout] 39 | | }
[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<OsString, Infallible>
[INFO] [stdout]   --> src/cli.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Ok(s.to_os_string())
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<OsString, Infallible>
[INFO] [stdout]   --> src/cli.rs:37:56
[INFO] [stdout]    |
[INFO] [stdout] 37 |   fn osstring(s: &OsStr) -> Result<OsString, Infallible> {
[INFO] [stdout]    |  ________________________________________________________^
[INFO] [stdout] 38 | |     Ok(s.to_os_string())
[INFO] [stdout] 39 | | }
[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<OsString, Infallible>
[INFO] [stdout]   --> src/cli.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Ok(s.to_os_string())
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `feedlynx` (bin "feedlynx" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `feedlynx` (bin "feedlynx") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "837f71e4f6a02baf04c8ffb72c4cbbe58e489ada18c82aa62bce471aa1fbea00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "837f71e4f6a02baf04c8ffb72c4cbbe58e489ada18c82aa62bce471aa1fbea00", kill_on_drop: false }`
[INFO] [stdout] 837f71e4f6a02baf04c8ffb72c4cbbe58e489ada18c82aa62bce471aa1fbea00