[INFO] fetching crate tracert 0.7.0...
[INFO] checking tracert-0.7.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate tracert 0.7.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate tracert 0.7.0 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 tracert 0.7.0
[INFO] finished tweaking crates.io crate tracert 0.7.0
[INFO] tweaked toml for crates.io crate tracert 0.7.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate tracert 0.7.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pnet_macros v0.34.0
[INFO] [stderr]   Downloaded default-net v0.17.0
[INFO] [stderr]   Downloaded pnet_packet v0.34.0
[INFO] [stderr]   Downloaded dns-lookup v2.0.2
[INFO] [stderr]   Downloaded pnet_base v0.34.0
[INFO] [stderr]   Downloaded netlink-sys v0.8.5
[INFO] [stderr]   Downloaded pnet_macros_support v0.34.0
[INFO] [stderr]   Downloaded netlink-packet-core v0.7.0
[INFO] [stderr]   Downloaded netlink-packet-route v0.17.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2b31931d4fcbf5ca1e29a16f4e01225f95a052ac407c93dcb538a493097b3dbe
[INFO] running `Command { std: "docker" "start" "-a" "2b31931d4fcbf5ca1e29a16f4e01225f95a052ac407c93dcb538a493097b3dbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b31931d4fcbf5ca1e29a16f4e01225f95a052ac407c93dcb538a493097b3dbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b31931d4fcbf5ca1e29a16f4e01225f95a052ac407c93dcb538a493097b3dbe", kill_on_drop: false }`
[INFO] [stdout] 2b31931d4fcbf5ca1e29a16f4e01225f95a052ac407c93dcb538a493097b3dbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 466ee7c4f43d6b9e610cfc289448d5bc712b97075c16dacc42b804576c4a6832
[INFO] running `Command { std: "docker" "start" "-a" "466ee7c4f43d6b9e610cfc289448d5bc712b97075c16dacc42b804576c4a6832", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]     Checking no-std-net v0.6.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking socket2 v0.5.3
[INFO] [stderr]     Checking default-net v0.17.0
[INFO] [stderr]     Checking pnet_base v0.34.0
[INFO] [stderr]     Checking pnet_macros_support v0.34.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking dns-lookup v2.0.2
[INFO] [stderr]    Compiling aho-corasick v1.0.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]    Compiling regex-automata v0.3.6
[INFO] [stderr]    Compiling regex v1.9.3
[INFO] [stderr]    Compiling pnet_macros v0.34.0
[INFO] [stderr]     Checking pnet_packet v0.34.0
[INFO] [stderr]     Checking tracert v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.19s
[INFO] running `Command { std: "docker" "inspect" "466ee7c4f43d6b9e610cfc289448d5bc712b97075c16dacc42b804576c4a6832", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "466ee7c4f43d6b9e610cfc289448d5bc712b97075c16dacc42b804576c4a6832", kill_on_drop: false }`
[INFO] [stdout] 466ee7c4f43d6b9e610cfc289448d5bc712b97075c16dacc42b804576c4a6832
[INFO] checking tracert-0.7.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate tracert 0.7.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate tracert 0.7.0 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 tracert 0.7.0
[INFO] finished tweaking crates.io crate tracert 0.7.0
[INFO] tweaked toml for crates.io crate tracert 0.7.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate tracert 0.7.0 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] de578e6942ccb68908687782093e376a80a56531045daca90873bf77f7b093ad
[INFO] running `Command { std: "docker" "start" "-a" "de578e6942ccb68908687782093e376a80a56531045daca90873bf77f7b093ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de578e6942ccb68908687782093e376a80a56531045daca90873bf77f7b093ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de578e6942ccb68908687782093e376a80a56531045daca90873bf77f7b093ad", kill_on_drop: false }`
[INFO] [stdout] de578e6942ccb68908687782093e376a80a56531045daca90873bf77f7b093ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 834ce80e027c1a8d71e6dcab04a4ffc1cb158d3bcde4d5f0ae66286e4c8f7797
[INFO] running `Command { std: "docker" "start" "-a" "834ce80e027c1a8d71e6dcab04a4ffc1cb158d3bcde4d5f0ae66286e4c8f7797", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]     Checking no-std-net v0.6.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking socket2 v0.5.3
[INFO] [stderr]     Checking default-net v0.17.0
[INFO] [stderr]     Checking pnet_base v0.34.0
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/default-net-0.17.0/src/interface/shared.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     match socket.local_addr() {
[INFO] [stdout] 16 | |         Ok(addr) => return Some(addr.ip()),
[INFO] [stdout] 17 | |         Err(_) => return None,
[INFO] [stdout] 18 | |     };
[INFO] [stdout]    | |_____^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/default-net-0.17.0/src/interface/linux.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | /             match if_type_string.parse::<u32>() {
[INFO] [stdout] 12 | |                 Ok(if_type) => {
[INFO] [stdout] 13 | |                     return InterfaceType::try_from(if_type).unwrap_or(InterfaceType::Unknown);
[INFO] [stdout] 14 | |                 }
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |                 }
[INFO] [stdout] 18 | |             }
[INFO] [stdout]    | |_____________^ cannot satisfy `_ -> _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/default-net-0.17.0/src/interface/linux.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 | /             match if_speed_string.parse::<u64>() {
[INFO] [stdout] 33 | |                 Ok(if_speed) => {
[INFO] [stdout] 34 | |                     // Convert Mbps to bps
[INFO] [stdout] 35 | |                     return Some(if_speed * 1000000);
[INFO] [stdout] ...  |
[INFO] [stdout] 39 | |                 }
[INFO] [stdout] 40 | |             }
[INFO] [stdout]    | |_____________^ cannot satisfy `_ -> _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking pnet_macros_support v0.34.0
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0284.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `default-net` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "834ce80e027c1a8d71e6dcab04a4ffc1cb158d3bcde4d5f0ae66286e4c8f7797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "834ce80e027c1a8d71e6dcab04a4ffc1cb158d3bcde4d5f0ae66286e4c8f7797", kill_on_drop: false }`
[INFO] [stdout] 834ce80e027c1a8d71e6dcab04a4ffc1cb158d3bcde4d5f0ae66286e4c8f7797