[INFO] fetching crate ruSTLa 0.38.0...
[INFO] checking ruSTLa-0.38.0 against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[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 e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "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" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6c14009031f6fd9d3a15a070638d14bd9837214ba8942b2a19b8350f5e2bd40
[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" "b6c14009031f6fd9d3a15a070638d14bd9837214ba8942b2a19b8350f5e2bd40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6c14009031f6fd9d3a15a070638d14bd9837214ba8942b2a19b8350f5e2bd40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6c14009031f6fd9d3a15a070638d14bd9837214ba8942b2a19b8350f5e2bd40", kill_on_drop: false }`
[INFO] [stdout] b6c14009031f6fd9d3a15a070638d14bd9837214ba8942b2a19b8350f5e2bd40
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49e991bec4c038298670dda03ac57feaf3df6e57c6d7e6eb957030af553769ff
[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" "49e991bec4c038298670dda03ac57feaf3df6e57c6d7e6eb957030af553769ff", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling ruSTLa v0.38.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.10
[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 7.74s
[INFO] running `Command { std: "docker" "inspect" "49e991bec4c038298670dda03ac57feaf3df6e57c6d7e6eb957030af553769ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49e991bec4c038298670dda03ac57feaf3df6e57c6d7e6eb957030af553769ff", kill_on_drop: false }`
[INFO] [stdout] 49e991bec4c038298670dda03ac57feaf3df6e57c6d7e6eb957030af553769ff