[INFO] fetching crate libproc 0.9.1...
[INFO] checking libproc-0.9.1 against try#4a23c45c7893f1416456144e3883cc48ea91722e for pr-82322
[INFO] extracting crate libproc 0.9.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate libproc 0.9.1 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 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-4/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" "+4a23c45c7893f1416456144e3883cc48ea91722e" "fetch" "--locked" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 89e0a032aab8f7c59ee03016b3d83b2fd11b1df57c079fb6324df5dde8e272ee
[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" "89e0a032aab8f7c59ee03016b3d83b2fd11b1df57c079fb6324df5dde8e272ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89e0a032aab8f7c59ee03016b3d83b2fd11b1df57c079fb6324df5dde8e272ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89e0a032aab8f7c59ee03016b3d83b2fd11b1df57c079fb6324df5dde8e272ee", kill_on_drop: false }`
[INFO] [stdout] 89e0a032aab8f7c59ee03016b3d83b2fd11b1df57c079fb6324df5dde8e272ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] d5063b55783afe2f5fd3940efe9467c83467628b546e0f43139c4216090c1495
[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" "d5063b55783afe2f5fd3940efe9467c83467628b546e0f43139c4216090c1495", 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_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] 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 1.12s
[INFO] running `Command { std: "docker" "inspect" "d5063b55783afe2f5fd3940efe9467c83467628b546e0f43139c4216090c1495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5063b55783afe2f5fd3940efe9467c83467628b546e0f43139c4216090c1495", kill_on_drop: false }`
[INFO] [stdout] d5063b55783afe2f5fd3940efe9467c83467628b546e0f43139c4216090c1495