[INFO] fetching crate sipua 0.0.3...
[INFO] checking sipua-0.0.3 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate sipua 0.0.3 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate sipua 0.0.3 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sipua 0.0.3
[INFO] finished tweaking crates.io crate sipua 0.0.3
[INFO] tweaked toml for crates.io crate sipua 0.0.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages
[INFO] [stderr]       Adding arrayvec v0.5.2 (latest: v0.7.4)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding bitvec v0.19.6 (latest: v1.0.1)
[INFO] [stderr]       Adding funty v1.1.0 (latest: v2.0.0)
[INFO] [stderr]       Adding lexical-core v0.7.6 (latest: v0.8.5)
[INFO] [stderr]       Adding memchr v2.3.4 (latest: v2.7.2)
[INFO] [stderr]       Adding nom v6.2.2 (latest: v7.1.3)
[INFO] [stderr]       Adding radium v0.5.3 (latest: v1.1.0)
[INFO] [stderr]       Adding sipcore v0.0.1 (latest: v0.0.2)
[INFO] [stderr]       Adding sipmsg v0.1.7 (latest: v0.2.3)
[INFO] [stderr]       Adding wyz v0.2.0 (latest: v0.6.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sipmsg v0.1.7
[INFO] [stderr]   Downloaded sipcore v0.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f9bd6444088d0c92a859e505587b1fd9b614f87e820a61980fc515ffc2a99ec
[INFO] running `Command { std: "docker" "start" "-a" "2f9bd6444088d0c92a859e505587b1fd9b614f87e820a61980fc515ffc2a99ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f9bd6444088d0c92a859e505587b1fd9b614f87e820a61980fc515ffc2a99ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f9bd6444088d0c92a859e505587b1fd9b614f87e820a61980fc515ffc2a99ec", kill_on_drop: false }`
[INFO] [stdout] 2f9bd6444088d0c92a859e505587b1fd9b614f87e820a61980fc515ffc2a99ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2abe066995fae8345c592ab1178180fe931f9d2a758a15b5f42d6de253b9ae5
[INFO] running `Command { std: "docker" "start" "-a" "d2abe066995fae8345c592ab1178180fe931f9d2a758a15b5f42d6de253b9ae5", kill_on_drop: false }`
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling nom v6.2.2
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking bitvec v0.19.6
[INFO] [stderr]     Checking sipmsg v0.1.7
[INFO] [stderr]     Checking sipcore v0.0.1
[INFO] [stderr]     Checking sipua v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.51s
[INFO] running `Command { std: "docker" "inspect" "d2abe066995fae8345c592ab1178180fe931f9d2a758a15b5f42d6de253b9ae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2abe066995fae8345c592ab1178180fe931f9d2a758a15b5f42d6de253b9ae5", kill_on_drop: false }`
[INFO] [stdout] d2abe066995fae8345c592ab1178180fe931f9d2a758a15b5f42d6de253b9ae5
[INFO] checking sipua-0.0.3 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate sipua 0.0.3 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate sipua 0.0.3 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sipua 0.0.3
[INFO] finished tweaking crates.io crate sipua 0.0.3
[INFO] tweaked toml for crates.io crate sipua 0.0.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fcad399eaf93fcbe5e24e20e6a7d3713ddac5188aa80f2839ed79b72ae838f4c
[INFO] running `Command { std: "docker" "start" "-a" "fcad399eaf93fcbe5e24e20e6a7d3713ddac5188aa80f2839ed79b72ae838f4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcad399eaf93fcbe5e24e20e6a7d3713ddac5188aa80f2839ed79b72ae838f4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcad399eaf93fcbe5e24e20e6a7d3713ddac5188aa80f2839ed79b72ae838f4c", kill_on_drop: false }`
[INFO] [stdout] fcad399eaf93fcbe5e24e20e6a7d3713ddac5188aa80f2839ed79b72ae838f4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91c36ba2c66dbddb8694dfec01f69611890f135b9af7aab80cec3730168c8f56
[INFO] running `Command { std: "docker" "start" "-a" "91c36ba2c66dbddb8694dfec01f69611890f135b9af7aab80cec3730168c8f56", kill_on_drop: false }`
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling nom v6.2.2
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking bitvec v0.19.6
[INFO] [stderr]     Checking sipmsg v0.1.7
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/sipmsg-0.1.7/src/headers/headers.rs:39:21
[INFO] [stdout]    |
[INFO] [stdout] 39 | /                     if s.len() == 1 {
[INFO] [stdout] 40 | |                         return Some(&s[0]);
[INFO] [stdout] 41 | |                     } else {
[INFO] [stdout] 42 | |                         return None;
[INFO] [stdout] 43 | |                     };
[INFO] [stdout]    | |_____________________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sipmsg` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "91c36ba2c66dbddb8694dfec01f69611890f135b9af7aab80cec3730168c8f56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91c36ba2c66dbddb8694dfec01f69611890f135b9af7aab80cec3730168c8f56", kill_on_drop: false }`
[INFO] [stdout] 91c36ba2c66dbddb8694dfec01f69611890f135b9af7aab80cec3730168c8f56