[INFO] cloning repository https://github.com/bramp/rustdns
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bramp/rustdns" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbramp%2Frustdns", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbramp%2Frustdns'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 622c508a2b27a03c1ecacebfda18c3f90cd491b8
[INFO] testing bramp/rustdns against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbramp%2Frustdns" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bramp/rustdns on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bramp/rustdns
[INFO] finished tweaking git repo https://github.com/bramp/rustdns
[INFO] tweaked toml for git repo https://github.com/bramp/rustdns written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/bramp/rustdns already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 271a1b42ebde412616a71e1bf79896ae3e37e15cfe5418033591462d53e46f3b
[INFO] running `Command { std: "docker" "start" "-a" "271a1b42ebde412616a71e1bf79896ae3e37e15cfe5418033591462d53e46f3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "271a1b42ebde412616a71e1bf79896ae3e37e15cfe5418033591462d53e46f3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "271a1b42ebde412616a71e1bf79896ae3e37e15cfe5418033591462d53e46f3b", kill_on_drop: false }`
[INFO] [stdout] 271a1b42ebde412616a71e1bf79896ae3e37e15cfe5418033591462d53e46f3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 529e7e590befb6e317bef9b4e82e343792815460930a2a2009cf019ecc9c07a8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "529e7e590befb6e317bef9b4e82e343792815460930a2a2009cf019ecc9c07a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling httpdate v1.0.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling strum v0.21.0
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling http-body v0.4.2
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling bitvec v0.19.5
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.1
[INFO] [stderr]    Compiling rustls v0.19.1
[INFO] [stderr]    Compiling webpki-roots v0.21.1
[INFO] [stderr]    Compiling nom_locate v3.0.1
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling tokio-util v0.6.7
[INFO] [stderr]    Compiling tokio-rustls v0.22.0
[INFO] [stderr]    Compiling h2 v0.3.3
[INFO] [stderr]    Compiling hyper v0.14.9
[INFO] [stderr]    Compiling hyper-alpn v0.3.0
[INFO] [stderr]    Compiling rustdns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `nom::error::ErrorKind`
[INFO] [stdout]   --> src/zones/mod.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use nom::error::ErrorKind;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'cursor_remaining'
[INFO] [stdout]   --> src/dns.rs:74:21
[INFO] [stdout]    |
[INFO] [stdout] 74 |         if self.cur.remaining()? > 0 {
[INFO] [stdout]    |                     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #86369 <https://github.com/rust-lang/rust/issues/86369> for more information
[INFO] [stdout]    = help: add `#![feature(cursor_remaining)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be applied to values that implement `Try`
[INFO] [stdout]   --> src/dns.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |         if self.cur.remaining()? > 0 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^ the `?` operator cannot be applied to type `u64`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Try` is not implemented for `u64`
[INFO] [stdout]    = note: required by `branch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'cursor_remaining'
[INFO] [stdout]   --> src/dns.rs:78:26
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 self.cur.remaining()?
[INFO] [stdout]    |                          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #86369 <https://github.com/rust-lang/rust/issues/86369> for more information
[INFO] [stdout]    = help: add `#![feature(cursor_remaining)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be applied to values that implement `Try`
[INFO] [stdout]   --> src/dns.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 self.cur.remaining()?
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^ the `?` operator cannot be applied to type `u64`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Try` is not implemented for `u64`
[INFO] [stdout]    = note: required by `branch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'cursor_remaining'
[INFO] [stdout]   --> src/resource.rs:85:19
[INFO] [stdout]    |
[INFO] [stdout] 85 |         if record.remaining()? > 0 {
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #86369 <https://github.com/rust-lang/rust/issues/86369> for more information
[INFO] [stdout]    = help: add `#![feature(cursor_remaining)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be applied to values that implement `Try`
[INFO] [stdout]   --> src/resource.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 85 |         if record.remaining()? > 0 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^ the `?` operator cannot be applied to type `u64`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Try` is not implemented for `u64`
[INFO] [stdout]    = note: required by `branch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'cursor_remaining'
[INFO] [stdout]   --> src/resource.rs:90:24
[INFO] [stdout]    |
[INFO] [stdout] 90 |                 record.remaining()?
[INFO] [stdout]    |                        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #86369 <https://github.com/rust-lang/rust/issues/86369> for more information
[INFO] [stdout]    = help: add `#![feature(cursor_remaining)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be applied to values that implement `Try`
[INFO] [stdout]   --> src/resource.rs:90:17
[INFO] [stdout]    |
[INFO] [stdout] 90 |                 record.remaining()?
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^ the `?` operator cannot be applied to type `u64`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Try` is not implemented for `u64`
[INFO] [stdout]    = note: required by `branch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SeekExt`
[INFO] [stdout]  --> src/dns.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::io::{DNSReadExt, SeekExt};
[INFO] [stdout]   |                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SeekExt`
[INFO] [stdout]  --> src/resource.rs:2:40
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::io::{CursorExt, DNSReadExt, SeekExt};
[INFO] [stdout]   |                                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nom::Finish`
[INFO] [stdout]   --> src/zones/mod.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | use nom::Finish;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustdns`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "529e7e590befb6e317bef9b4e82e343792815460930a2a2009cf019ecc9c07a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "529e7e590befb6e317bef9b4e82e343792815460930a2a2009cf019ecc9c07a8", kill_on_drop: false }`
[INFO] [stdout] 529e7e590befb6e317bef9b4e82e343792815460930a2a2009cf019ecc9c07a8