[INFO] cloning repository https://github.com/JoshMcguigan/natty
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JoshMcguigan/natty" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshMcguigan%2Fnatty", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshMcguigan%2Fnatty'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a400af82627097a8933ba3e917dc17f5dc2e1bd
[INFO] checking JoshMcguigan/natty against try#ec8d137b933d39ddf0a2878617a0335f0f9d7116 for pr-116607
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshMcguigan%2Fnatty" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JoshMcguigan/natty 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/JoshMcguigan/natty
[INFO] finished tweaking git repo https://github.com/JoshMcguigan/natty
[INFO] tweaked toml for git repo https://github.com/JoshMcguigan/natty written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/JoshMcguigan/natty 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-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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+ec8d137b933d39ddf0a2878617a0335f0f9d7116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0735120e4046ae03fba5d45e12025783ee96d63d5616b7daa11ed79b9a3c988
[INFO] running `Command { std: "docker" "start" "-a" "a0735120e4046ae03fba5d45e12025783ee96d63d5616b7daa11ed79b9a3c988", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0735120e4046ae03fba5d45e12025783ee96d63d5616b7daa11ed79b9a3c988", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0735120e4046ae03fba5d45e12025783ee96d63d5616b7daa11ed79b9a3c988", kill_on_drop: false }`
[INFO] [stdout] a0735120e4046ae03fba5d45e12025783ee96d63d5616b7daa11ed79b9a3c988
[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" "-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] 4522690b8fe8d251b658abd24ac9acc542a58dfdc7ace76797e211e75c2fbf1a
[INFO] running `Command { std: "docker" "start" "-a" "4522690b8fe8d251b658abd24ac9acc542a58dfdc7ace76797e211e75c2fbf1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling memoffset v0.5.2
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]     Checking smallvec v0.6.12
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking num_cpus v1.11.0
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking tokio-sync v0.1.7
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]     Checking pnet_base v0.22.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]     Checking pnet_macros_support v0.22.0
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking pnet_sys v0.22.0
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]    Compiling pnet v0.22.0
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking crossbeam v0.7.2
[INFO] [stderr]    Compiling tun-tap v0.1.2 (https://github.com/vorner/tuntap.git#2ba28bfb)
[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] [stderr]     Checking ipnetwork v0.14.0
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4522690b8fe8d251b658abd24ac9acc542a58dfdc7ace76797e211e75c2fbf1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4522690b8fe8d251b658abd24ac9acc542a58dfdc7ace76797e211e75c2fbf1a", kill_on_drop: false }`
[INFO] [stdout] 4522690b8fe8d251b658abd24ac9acc542a58dfdc7ace76797e211e75c2fbf1a