[INFO] fetching crate ruSTLa 0.38.0...
[INFO] checking ruSTLa-0.38.0 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate ruSTLa 0.38.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ruSTLa 0.38.0 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ruSTLa 0.38.0
[INFO] finished tweaking crates.io crate ruSTLa 0.38.0
[INFO] tweaked toml for crates.io crate ruSTLa 0.38.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate ruSTLa 0.38.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "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-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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70e9bf1018c563527c5cc00ee61bb8aaeb25d6c86000425566d224a6269e70c2
[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" "70e9bf1018c563527c5cc00ee61bb8aaeb25d6c86000425566d224a6269e70c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70e9bf1018c563527c5cc00ee61bb8aaeb25d6c86000425566d224a6269e70c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70e9bf1018c563527c5cc00ee61bb8aaeb25d6c86000425566d224a6269e70c2", kill_on_drop: false }`
[INFO] [stdout] 70e9bf1018c563527c5cc00ee61bb8aaeb25d6c86000425566d224a6269e70c2
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c44ba197c743d0d08ec04ca8123f3174c2ba0f7d843cc4ed8b465c44bad49a7
[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" "0c44ba197c743d0d08ec04ca8123f3174c2ba0f7d843cc4ed8b465c44bad49a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling ruSTLa v0.38.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parser/tests/test_unknown_directives.rs:108:55
[INFO] [stdout]     |
[INFO] [stdout] 108 |             assert!(options.get("option4").is_none(), true);
[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] 108 |             assert!(options.get("option4").is_none(), "{}", true);
[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 12.96s
[INFO] running `Command { std: "docker" "inspect" "0c44ba197c743d0d08ec04ca8123f3174c2ba0f7d843cc4ed8b465c44bad49a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c44ba197c743d0d08ec04ca8123f3174c2ba0f7d843cc4ed8b465c44bad49a7", kill_on_drop: false }`
[INFO] [stdout] 0c44ba197c743d0d08ec04ca8123f3174c2ba0f7d843cc4ed8b465c44bad49a7