[INFO] cloning repository https://github.com/teru01/dhcp_server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/teru01/dhcp_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteru01%2Fdhcp_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteru01%2Fdhcp_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca5560ba4cccb1c975f08e7693dfc1099f6145ae
[INFO] checking teru01/dhcp_server against try#ec8d137b933d39ddf0a2878617a0335f0f9d7116 for pr-116607
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteru01%2Fdhcp_server" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/teru01/dhcp_server on toolchain ec8d137b933d39ddf0a2878617a0335f0f9d7116
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec8d137b933d39ddf0a2878617a0335f0f9d7116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/teru01/dhcp_server
[INFO] finished tweaking git repo https://github.com/teru01/dhcp_server
[INFO] tweaked toml for git repo https://github.com/teru01/dhcp_server written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/teru01/dhcp_server 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" "+ec8d137b933d39ddf0a2878617a0335f0f9d7116" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+ec8d137b933d39ddf0a2878617a0335f0f9d7116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 905514f50e1c615481a2a47da23aa56d462c7ac5c79883b48cdedd8791b01d99
[INFO] running `Command { std: "docker" "start" "-a" "905514f50e1c615481a2a47da23aa56d462c7ac5c79883b48cdedd8791b01d99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "905514f50e1c615481a2a47da23aa56d462c7ac5c79883b48cdedd8791b01d99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "905514f50e1c615481a2a47da23aa56d462c7ac5c79883b48cdedd8791b01d99", kill_on_drop: false }`
[INFO] [stdout] 905514f50e1c615481a2a47da23aa56d462c7ac5c79883b48cdedd8791b01d99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+ec8d137b933d39ddf0a2878617a0335f0f9d7116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d1ceead4f72279725dc19e40a4da6e0b6af375ce84a25238f5d1a777ba6c79c
[INFO] running `Command { std: "docker" "start" "-a" "2d1ceead4f72279725dc19e40a4da6e0b6af375ce84a25238f5d1a777ba6c79c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking pnet_base v0.22.0
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]     Checking pnet_macros_support v0.22.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling pnet v0.22.0
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]    Compiling libsqlite3-sys v0.14.0
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking pnet_sys v0.22.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking rusqlite v0.18.0
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking ipnetwork v0.14.0
[INFO] [stderr]     Checking pnet_datalink v0.22.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syntex_syntax-0.42.0/src/ptr.rs:184:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |     fn into_iter(self) -> Self::IntoIter {
[INFO] [stdout]     |                           -------------- expected `std::slice::Iter<'a, T>` because of return type
[INFO] [stdout] 184 |         self.ptr.into_iter()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^ expected `Iter<'_, T>`, found `IntoIter<T>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `std::slice::Iter<'a, T>`
[INFO] [stdout]                found struct `std::vec::IntoIter<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `syntex_syntax` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2d1ceead4f72279725dc19e40a4da6e0b6af375ce84a25238f5d1a777ba6c79c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d1ceead4f72279725dc19e40a4da6e0b6af375ce84a25238f5d1a777ba6c79c", kill_on_drop: false }`
[INFO] [stdout] 2d1ceead4f72279725dc19e40a4da6e0b6af375ce84a25238f5d1a777ba6c79c