[INFO] fetching crate warp_dsl_impl 0.0.1...
[INFO] checking warp_dsl_impl-0.0.1 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate warp_dsl_impl 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate warp_dsl_impl 0.0.1 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate warp_dsl_impl 0.0.1
[INFO] finished tweaking crates.io crate warp_dsl_impl 0.0.1
[INFO] tweaked toml for crates.io crate warp_dsl_impl 0.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2cda614c9bea8523b3ef8abddcf6e594854794aa08685cf891eea984dfde7871
[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" "2cda614c9bea8523b3ef8abddcf6e594854794aa08685cf891eea984dfde7871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cda614c9bea8523b3ef8abddcf6e594854794aa08685cf891eea984dfde7871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cda614c9bea8523b3ef8abddcf6e594854794aa08685cf891eea984dfde7871", kill_on_drop: false }`
[INFO] [stdout] 2cda614c9bea8523b3ef8abddcf6e594854794aa08685cf891eea984dfde7871
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f22f9a41ce8c3a23c3942c9c6bb3dbe18b25c347a514720abbb27d4c2abddf68
[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" "f22f9a41ce8c3a23c3942c9c6bb3dbe18b25c347a514720abbb27d4c2abddf68", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.3
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]     Checking proc-macro-hack v0.4.3
[INFO] [stderr]     Checking warp_dsl_impl v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]   --> src/parser.rs:76:52
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 _ => panic!("Expected one of '(', '{{', or '&' in directive declaration"),
[INFO] [stdout]    |                                                    ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 _ => panic!("{}", "Expected one of '(', '{{', or '&' in directive declaration"),
[INFO] [stdout]    |                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]   --> src/parser.rs:76:52
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 _ => panic!("Expected one of '(', '{{', or '&' in directive declaration"),
[INFO] [stdout]    |                                                    ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 _ => panic!("{}", "Expected one of '(', '{{', or '&' in directive declaration"),
[INFO] [stdout]    |                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `Command { std: "docker" "inspect" "f22f9a41ce8c3a23c3942c9c6bb3dbe18b25c347a514720abbb27d4c2abddf68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f22f9a41ce8c3a23c3942c9c6bb3dbe18b25c347a514720abbb27d4c2abddf68", kill_on_drop: false }`
[INFO] [stdout] f22f9a41ce8c3a23c3942c9c6bb3dbe18b25c347a514720abbb27d4c2abddf68