[INFO] fetching crate sapp-linux 0.1.11...
[INFO] checking sapp-linux-0.1.11 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate sapp-linux 0.1.11 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate sapp-linux 0.1.11 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sapp-linux 0.1.11
[INFO] finished tweaking crates.io crate sapp-linux 0.1.11
[INFO] tweaked toml for crates.io crate sapp-linux 0.1.11 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b751c9d48f8b079a4c8f8f675cdcbb122db55220498fb5f7f42605b24de294cf
[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" "b751c9d48f8b079a4c8f8f675cdcbb122db55220498fb5f7f42605b24de294cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b751c9d48f8b079a4c8f8f675cdcbb122db55220498fb5f7f42605b24de294cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b751c9d48f8b079a4c8f8f675cdcbb122db55220498fb5f7f42605b24de294cf", kill_on_drop: false }`
[INFO] [stdout] b751c9d48f8b079a4c8f8f675cdcbb122db55220498fb5f7f42605b24de294cf
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad7b15d1b1c1f1a1f4faeb252ff09b3098a6fa0836bab09232fc515ccccf7fd1
[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" "ad7b15d1b1c1f1a1f4faeb252ff09b3098a6fa0836bab09232fc515ccccf7fd1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling sapp-linux v0.1.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]  --> build.rs:4:63
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let target = env::var("TARGET").unwrap_or_else(|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] 4 |     let target = env::var("TARGET").unwrap_or_else(|e| panic!("{}", e));
[INFO] [stdout]   |                                                               ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let target = env::var("TARGET").unwrap_or_else(|e| std::panic::panic_any(e));
[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 5.07s
[INFO] running `Command { std: "docker" "inspect" "ad7b15d1b1c1f1a1f4faeb252ff09b3098a6fa0836bab09232fc515ccccf7fd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad7b15d1b1c1f1a1f4faeb252ff09b3098a6fa0836bab09232fc515ccccf7fd1", kill_on_drop: false }`
[INFO] [stdout] ad7b15d1b1c1f1a1f4faeb252ff09b3098a6fa0836bab09232fc515ccccf7fd1