[INFO] fetching crate libproc 0.9.1...
[INFO] checking libproc-0.9.1 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate libproc 0.9.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate libproc 0.9.1 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libproc 0.9.1
[INFO] finished tweaking crates.io crate libproc 0.9.1
[INFO] tweaked toml for crates.io crate libproc 0.9.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate libproc 0.9.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97e2c9490cac8e26fa40331b796e67ec1e8145191823baae87894d76a997274d
[INFO] running `Command { std: "docker" "start" "-a" "97e2c9490cac8e26fa40331b796e67ec1e8145191823baae87894d76a997274d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97e2c9490cac8e26fa40331b796e67ec1e8145191823baae87894d76a997274d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97e2c9490cac8e26fa40331b796e67ec1e8145191823baae87894d76a997274d", kill_on_drop: false }`
[INFO] [stdout] 97e2c9490cac8e26fa40331b796e67ec1e8145191823baae87894d76a997274d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ab147133f02387a44751fd3f8453444293e0b40adfcd5751048e4fc3bc7bbba
[INFO] running `Command { std: "docker" "start" "-a" "2ab147133f02387a44751fd3f8453444293e0b40adfcd5751048e4fc3bc7bbba", kill_on_drop: false }`
[INFO] [stderr]     Checking errno v0.2.5
[INFO] [stderr]     Checking libproc v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/libproc/kmesg_buffer.rs:114:40
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 Err(message) => panic!(message)
[INFO] [stdout]     |                                        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 Err(message) => panic!("{}", message)
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 Err(message) => std::panic::panic_any(message)
[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 0.85s
[INFO] running `Command { std: "docker" "inspect" "2ab147133f02387a44751fd3f8453444293e0b40adfcd5751048e4fc3bc7bbba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ab147133f02387a44751fd3f8453444293e0b40adfcd5751048e4fc3bc7bbba", kill_on_drop: false }`
[INFO] [stdout] 2ab147133f02387a44751fd3f8453444293e0b40adfcd5751048e4fc3bc7bbba