[INFO] fetching crate nlopt 0.5.3...
[INFO] checking nlopt-0.5.3 against try#4a23c45c7893f1416456144e3883cc48ea91722e for pr-82322
[INFO] extracting crate nlopt 0.5.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate nlopt 0.5.3 on toolchain 4a23c45c7893f1416456144e3883cc48ea91722e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nlopt 0.5.3
[INFO] finished tweaking crates.io crate nlopt 0.5.3
[INFO] tweaked toml for crates.io crate nlopt 0.5.3 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate nlopt 0.5.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f4cb5f23ec70afeb15d7aaeabb0d9dd5d18d30a372fb7acc908f8b6c4574c42
[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" "9f4cb5f23ec70afeb15d7aaeabb0d9dd5d18d30a372fb7acc908f8b6c4574c42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f4cb5f23ec70afeb15d7aaeabb0d9dd5d18d30a372fb7acc908f8b6c4574c42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f4cb5f23ec70afeb15d7aaeabb0d9dd5d18d30a372fb7acc908f8b6c4574c42", kill_on_drop: false }`
[INFO] [stdout] 9f4cb5f23ec70afeb15d7aaeabb0d9dd5d18d30a372fb7acc908f8b6c4574c42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 074eab7bb9d9a8569044b6ff369dbd9d92b341718b4da13b36e61c139a78a826
[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" "074eab7bb9d9a8569044b6ff369dbd9d92b341718b4da13b36e61c139a78a826", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling nlopt v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:939:35
[INFO] [stdout]     |
[INFO] [stdout] 939 |             Err((e, _)) => panic!(e),
[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] 939 |             Err((e, _)) => panic!("{}", e),
[INFO] [stdout]     |                                   ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 939 |             Err((e, _)) => std::panic::panic_any(e),
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.71s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "074eab7bb9d9a8569044b6ff369dbd9d92b341718b4da13b36e61c139a78a826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "074eab7bb9d9a8569044b6ff369dbd9d92b341718b4da13b36e61c139a78a826", kill_on_drop: false }`
[INFO] [stdout] 074eab7bb9d9a8569044b6ff369dbd9d92b341718b4da13b36e61c139a78a826