[INFO] fetching crate trust-dns 0.20.1...
[INFO] checking trust-dns-0.20.1 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate trust-dns 0.20.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate trust-dns 0.20.1 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trust-dns 0.20.1
[INFO] finished tweaking crates.io crate trust-dns 0.20.1
[INFO] tweaked toml for crates.io crate trust-dns 0.20.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate trust-dns 0.20.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trust-dns-server v0.20.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c3fd748c21accf277e93d1a64d1dbf3696f34da55c99e43fa99c19d9dd805f4
[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" "2c3fd748c21accf277e93d1a64d1dbf3696f34da55c99e43fa99c19d9dd805f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c3fd748c21accf277e93d1a64d1dbf3696f34da55c99e43fa99c19d9dd805f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c3fd748c21accf277e93d1a64d1dbf3696f34da55c99e43fa99c19d9dd805f4", kill_on_drop: false }`
[INFO] [stdout] 2c3fd748c21accf277e93d1a64d1dbf3696f34da55c99e43fa99c19d9dd805f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8adf027ed7ecfee1ce134bcfba6c7a3995e070a435780f2cc58327669be98590
[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" "8adf027ed7ecfee1ce134bcfba6c7a3995e070a435780f2cc58327669be98590", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling tokio v1.3.0
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling libsqlite3-sys v0.20.1
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking hashlink v0.6.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.10
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking openssl-sys v0.9.61
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking openssl v0.10.33
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking idna v0.2.2
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]     Checking rustls v0.19.0
[INFO] [stderr]     Checking webpki-roots v0.21.0
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking native-tls v0.2.7
[INFO] [stderr]     Checking tokio-util v0.6.4
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]     Checking h2 v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]     Checking rusqlite v0.24.2
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking serde v1.0.124
[INFO] [stderr]     Checking trust-dns-proto v0.20.1
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking trust-dns-client v0.20.1
[INFO] [stderr]     Checking trust-dns-resolver v0.20.1
[INFO] [stderr]     Checking trust-dns-rustls v0.20.1
[INFO] [stderr]     Checking trust-dns-native-tls v0.20.1
[INFO] [stderr]     Checking trust-dns-https v0.20.1
[INFO] [stderr]     Checking trust-dns-server v0.20.1
[INFO] [stderr]     Checking trust-dns v0.20.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/named.rs:491:20
[INFO] [stdout]     |
[INFO] [stdout] 491 |             panic!(error_msg);
[INFO] [stdout]     |                    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 491 |             panic!("{}", error_msg);
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 491 |             std::panic::panic_any(error_msg);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/named.rs:491:20
[INFO] [stdout]     |
[INFO] [stdout] 491 |             panic!(error_msg);
[INFO] [stdout]     |                    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 491 |             panic!("{}", error_msg);
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 491 |             std::panic::panic_any(error_msg);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 38s
[INFO] running `Command { std: "docker" "inspect" "8adf027ed7ecfee1ce134bcfba6c7a3995e070a435780f2cc58327669be98590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8adf027ed7ecfee1ce134bcfba6c7a3995e070a435780f2cc58327669be98590", kill_on_drop: false }`
[INFO] [stdout] 8adf027ed7ecfee1ce134bcfba6c7a3995e070a435780f2cc58327669be98590