[INFO] fetching crate erspan 0.2.2...
[INFO] checking erspan-0.2.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate erspan 0.2.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate erspan 0.2.2 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate erspan 0.2.2
[INFO] finished tweaking crates.io crate erspan 0.2.2
[INFO] tweaked toml for crates.io crate erspan 0.2.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate erspan 0.2.2 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pnet_transport v0.34.0
[INFO] [stderr]   Downloaded pnet v0.34.0
[INFO] [stderr]   Downloaded pnet_macros_support v0.34.0
[INFO] [stderr]   Downloaded pnet_sys v0.34.0
[INFO] [stderr]   Downloaded no-std-net v0.6.0
[INFO] [stderr]   Downloaded pnet_base v0.34.0
[INFO] [stderr]   Downloaded byteorder_slice v3.0.0
[INFO] [stderr]   Downloaded pnet_macros v0.34.0
[INFO] [stderr]   Downloaded pnet_packet v0.34.0
[INFO] [stderr]   Downloaded derive-into-owned v0.2.0
[INFO] [stderr]   Downloaded pcap-file v2.0.0
[INFO] [stderr]   Downloaded serde v1.0.180
[INFO] [stderr]   Downloaded regex-automata v0.3.4
[INFO] [stderr]   Downloaded ipnetwork v0.20.0
[INFO] [stderr]   Downloaded pnet_datalink v0.34.0
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c0ae08f42120a8cca7446a96a6f1413c4ea4fcefe3cc6821950bb7951f9e63a
[INFO] running `Command { std: "docker" "start" "-a" "3c0ae08f42120a8cca7446a96a6f1413c4ea4fcefe3cc6821950bb7951f9e63a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c0ae08f42120a8cca7446a96a6f1413c4ea4fcefe3cc6821950bb7951f9e63a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c0ae08f42120a8cca7446a96a6f1413c4ea4fcefe3cc6821950bb7951f9e63a", kill_on_drop: false }`
[INFO] [stdout] 3c0ae08f42120a8cca7446a96a6f1413c4ea4fcefe3cc6821950bb7951f9e63a
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 706a24dd2050d24c521bafffdddf5bdaf06e5bd343d160efc34e6d5b1fa12501
[INFO] running `Command { std: "docker" "start" "-a" "706a24dd2050d24c521bafffdddf5bdaf06e5bd343d160efc34e6d5b1fa12501", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]     Checking no-std-net v0.6.0
[INFO] [stderr]    Compiling serde v1.0.180
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking pnet_sys v0.34.0
[INFO] [stderr]    Compiling pnet v0.34.0
[INFO] [stderr]     Checking byteorder_slice v3.0.0
[INFO] [stderr]     Checking pnet_base v0.34.0
[INFO] [stderr]     Checking pnet_macros_support v0.34.0
[INFO] [stderr]    Compiling aho-corasick v1.0.2
[INFO] [stderr]    Compiling regex-automata v0.3.4
[INFO] [stderr]    Compiling derive-into-owned v0.2.0
[INFO] [stderr]     Checking pcap-file v2.0.0
[INFO] [stderr]     Checking ipnetwork v0.20.0
[INFO] [stderr]     Checking pnet_datalink v0.34.0
[INFO] [stderr]    Compiling regex v1.9.1
[INFO] [stderr]    Compiling pnet_macros v0.34.0
[INFO] [stderr]     Checking pnet_packet v0.34.0
[INFO] [stderr]     Checking pnet_transport v0.34.0
[INFO] [stderr]     Checking erspan v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `pnet::packet::Packet`
[INFO] [stdout]   --> examples/pcap.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use pnet::packet::Packet;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.95s
[INFO] running `Command { std: "docker" "inspect" "706a24dd2050d24c521bafffdddf5bdaf06e5bd343d160efc34e6d5b1fa12501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "706a24dd2050d24c521bafffdddf5bdaf06e5bd343d160efc34e6d5b1fa12501", kill_on_drop: false }`
[INFO] [stdout] 706a24dd2050d24c521bafffdddf5bdaf06e5bd343d160efc34e6d5b1fa12501
[INFO] checking erspan-0.2.2 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate erspan 0.2.2 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate erspan 0.2.2 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate erspan 0.2.2
[INFO] finished tweaking crates.io crate erspan 0.2.2
[INFO] tweaked toml for crates.io crate erspan 0.2.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate erspan 0.2.2 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 143ecebf9a6e0d992ccec8987bbf7e31198bc7becaacb6605eff92966529d66e
[INFO] running `Command { std: "docker" "start" "-a" "143ecebf9a6e0d992ccec8987bbf7e31198bc7becaacb6605eff92966529d66e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "143ecebf9a6e0d992ccec8987bbf7e31198bc7becaacb6605eff92966529d66e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "143ecebf9a6e0d992ccec8987bbf7e31198bc7becaacb6605eff92966529d66e", kill_on_drop: false }`
[INFO] [stdout] 143ecebf9a6e0d992ccec8987bbf7e31198bc7becaacb6605eff92966529d66e
[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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8017c506c9535058070848a43dcaeadb9cb47498f8aa59bc8ec39ab8a223ba1
[INFO] running `Command { std: "docker" "start" "-a" "f8017c506c9535058070848a43dcaeadb9cb47498f8aa59bc8ec39ab8a223ba1", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]     Checking no-std-net v0.6.0
[INFO] [stderr]    Compiling serde v1.0.180
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling pnet v0.34.0
[INFO] [stderr]     Checking pnet_sys v0.34.0
[INFO] [stderr]     Checking byteorder_slice v3.0.0
[INFO] [stderr]     Checking pnet_base v0.34.0
[INFO] [stderr]     Checking pnet_macros_support v0.34.0
[INFO] [stderr]    Compiling aho-corasick v1.0.2
[INFO] [stderr]    Compiling regex-automata v0.3.4
[INFO] [stderr]    Compiling derive-into-owned v0.2.0
[INFO] [stderr]     Checking pcap-file v2.0.0
[INFO] [stderr]     Checking ipnetwork v0.20.0
[INFO] [stderr]     Checking pnet_datalink v0.34.0
[INFO] [stderr]    Compiling regex v1.9.1
[INFO] [stderr]    Compiling pnet_macros v0.34.0
[INFO] [stderr]     Checking pnet_packet v0.34.0
[INFO] [stderr]     Checking pnet_transport v0.34.0
[INFO] [stderr]     Checking erspan v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `pnet::packet::Packet`
[INFO] [stdout]   --> examples/pcap.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use pnet::packet::Packet;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.87s
[INFO] running `Command { std: "docker" "inspect" "f8017c506c9535058070848a43dcaeadb9cb47498f8aa59bc8ec39ab8a223ba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8017c506c9535058070848a43dcaeadb9cb47498f8aa59bc8ec39ab8a223ba1", kill_on_drop: false }`
[INFO] [stdout] f8017c506c9535058070848a43dcaeadb9cb47498f8aa59bc8ec39ab8a223ba1