[INFO] fetching crate hep 0.1.2...
[INFO] checking hep-0.1.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate hep 0.1.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate hep 0.1.2
[INFO] finished tweaking crates.io crate hep 0.1.2
[INFO] tweaked toml for crates.io crate hep 0.1.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate hep 0.1.2 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9e40373d76a83a0fc761f752f34a928521c0730593611461b227c503c1c078a8
[INFO] running `Command { std: "docker" "start" "-a" "9e40373d76a83a0fc761f752f34a928521c0730593611461b227c503c1c078a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e40373d76a83a0fc761f752f34a928521c0730593611461b227c503c1c078a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e40373d76a83a0fc761f752f34a928521c0730593611461b227c503c1c078a8", kill_on_drop: false }`
[INFO] [stdout] 9e40373d76a83a0fc761f752f34a928521c0730593611461b227c503c1c078a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 83a1392dab249f35e4c834dc747a875928ca9367fa8b628f22257ef80957fc5a
[INFO] running `Command { std: "docker" "start" "-a" "83a1392dab249f35e4c834dc747a875928ca9367fa8b628f22257ef80957fc5a", kill_on_drop: false }`
[INFO] [stderr]     Checking hep v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/lib.rs:888:34
[INFO] [stdout]     |
[INFO] [stdout] 888 | ...ad("REGISTER sip:169.254.165.100 SIP/2.0\r\nVia: SIP/2.0/UDP 169.254.1...p/1.4.0)\r\n\r\n".parse().un...
[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<String, Infallible>
[INFO] [stdout]    --> src/lib.rs:937:34
[INFO] [stdout]     |
[INFO] [stdout] 937 | ...ad("REGISTER sip:169.254.165.100 SIP/2.0\r\nVia: SIP/2.0/UDP 169.254.1...p/1.4.0)\r\n\r\n".parse().un...
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^...^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/lib.rs:990:34
[INFO] [stdout]     |
[INFO] [stdout] 990 | ...ad("REGISTER sip:169.254.165.100 SIP/2.0\r\nVia: SIP/2.0/UDP 169.254.1...p/1.4.0)\r\n\r\n".parse().un...
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^...^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]     --> src/lib.rs:1029:34
[INFO] [stdout]      |
[INFO] [stdout] 1029 | ...ad("REGISTER sip:169.254.165.100 SIP/2.0\r\nVia: SIP/2.0/UDP 169.254....ip/1.4.0)\r\n\r\n".parse().un...
[INFO] [stdout]      |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^...^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]     --> src/lib.rs:1078:34
[INFO] [stdout]      |
[INFO] [stdout] 1078 | ...ad("REGISTER sip:169.254.165.100 SIP/2.0\r\nVia: SIP/2.0/UDP 169.254....ip/1.4.0)\r\n\r\n".parse().un...
[INFO] [stdout]      |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^...^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]     --> src/lib.rs:1131:34
[INFO] [stdout]      |
[INFO] [stdout] 1131 | ...ad("REGISTER sip:169.254.165.100 SIP/2.0\r\nVia: SIP/2.0/UDP 169.254....ip/1.4.0)\r\n\r\n".parse().un...
[INFO] [stdout]      |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^...^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hep` (lib test) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "83a1392dab249f35e4c834dc747a875928ca9367fa8b628f22257ef80957fc5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83a1392dab249f35e4c834dc747a875928ca9367fa8b628f22257ef80957fc5a", kill_on_drop: false }`
[INFO] [stdout] 83a1392dab249f35e4c834dc747a875928ca9367fa8b628f22257ef80957fc5a