[INFO] fetching crate psi-lang 0.3.0...
[INFO] checking psi-lang-0.3.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate psi-lang 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate psi-lang 0.3.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate psi-lang 0.3.0
[INFO] finished tweaking crates.io crate psi-lang 0.3.0
[INFO] tweaked toml for crates.io crate psi-lang 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bbb31b7281537f5950f5d2bb4bebf8589d9fb69ff11deae23d26acebb3fd956
[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" "8bbb31b7281537f5950f5d2bb4bebf8589d9fb69ff11deae23d26acebb3fd956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bbb31b7281537f5950f5d2bb4bebf8589d9fb69ff11deae23d26acebb3fd956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bbb31b7281537f5950f5d2bb4bebf8589d9fb69ff11deae23d26acebb3fd956", kill_on_drop: false }`
[INFO] [stdout] 8bbb31b7281537f5950f5d2bb4bebf8589d9fb69ff11deae23d26acebb3fd956
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d89bccb01a02ec9eeee525500c3cb5c833e1bdb86a0f96647fb25d55b79ad1e5
[INFO] running `Command { std: "docker" "start" "-a" "d89bccb01a02ec9eeee525500c3cb5c833e1bdb86a0f96647fb25d55b79ad1e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking smartstring v0.2.7
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.22
[INFO] [stderr]     Checking mimalloc v0.1.26
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_consume_macros v1.1.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking pest_consume v1.1.1
[INFO] [stderr]     Checking psi-lang v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `string_brack`
[INFO] [stdout]    --> src/lib.rs:113:14
[INFO] [stdout]     |
[INFO] [stdout] 113 |             [string_brack] => "{",
[INFO] [stdout]     |              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_string_brack`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `string_quote`
[INFO] [stdout]    --> src/lib.rs:114:14
[INFO] [stdout]     |
[INFO] [stdout] 114 |             [string_quote] => "\"",
[INFO] [stdout]     |              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_string_quote`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `string_brack`
[INFO] [stdout]    --> src/lib.rs:113:14
[INFO] [stdout]     |
[INFO] [stdout] 113 |             [string_brack] => "{",
[INFO] [stdout]     |              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_string_brack`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `string_quote`
[INFO] [stdout]    --> src/lib.rs:114:14
[INFO] [stdout]     |
[INFO] [stdout] 114 |             [string_quote] => "\"",
[INFO] [stdout]     |              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_string_quote`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.87s
[INFO] running `Command { std: "docker" "inspect" "d89bccb01a02ec9eeee525500c3cb5c833e1bdb86a0f96647fb25d55b79ad1e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d89bccb01a02ec9eeee525500c3cb5c833e1bdb86a0f96647fb25d55b79ad1e5", kill_on_drop: false }`
[INFO] [stdout] d89bccb01a02ec9eeee525500c3cb5c833e1bdb86a0f96647fb25d55b79ad1e5