[INFO] fetching crate ruby-sys 0.3.0...
[INFO] checking ruby-sys-0.3.0 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate ruby-sys 0.3.0 into /workspace/builds/worker-94/source
[INFO] validating manifest of crates.io crate ruby-sys 0.3.0 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ruby-sys 0.3.0
[INFO] finished tweaking crates.io crate ruby-sys 0.3.0
[INFO] tweaked toml for crates.io crate ruby-sys 0.3.0 written to /workspace/builds/worker-94/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45995c97685810eb8f90c829d3e883f1dbebaf59d4714697955370df5fb02e50
[INFO] running `Command { std: "docker" "start" "-a" "45995c97685810eb8f90c829d3e883f1dbebaf59d4714697955370df5fb02e50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45995c97685810eb8f90c829d3e883f1dbebaf59d4714697955370df5fb02e50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45995c97685810eb8f90c829d3e883f1dbebaf59d4714697955370df5fb02e50", kill_on_drop: false }`
[INFO] [stdout] 45995c97685810eb8f90c829d3e883f1dbebaf59d4714697955370df5fb02e50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8655e6b4cac028251cada85abc45f5c748b065b6d69be249182b9242fc4867b
[INFO] running `Command { std: "docker" "start" "-a" "e8655e6b4cac028251cada85abc45f5c748b065b6d69be249182b9242fc4867b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling ruby-sys v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> build.rs:56:20
[INFO] [stdout]    |
[INFO] [stdout] 56 |             panic!(msg)
[INFO] [stdout]    |                    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 56 |             panic!("{}", msg)
[INFO] [stdout]    |                    +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a foreign function or static
[INFO] [stdout]   --> src/value.rs:46:1
[INFO] [stdout]    |
[INFO] [stdout] 46 |   #[link_name = "ruby_value_type"]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 47 |   #[repr(C)]
[INFO] [stdout] 48 | / pub enum ValueType {
[INFO] [stdout] 49 | |     None = 0x00,
[INFO] [stdout] 50 | |     Object = 0x01,
[INFO] [stdout] 51 | |     Class = 0x02,
[INFO] [stdout] ...  |
[INFO] [stdout] 74 | |     Mask = 0x1f,
[INFO] [stdout] 75 | | }
[INFO] [stdout]    | |_- not a foreign function or static
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a foreign function or static
[INFO] [stdout]   --> src/value.rs:46:1
[INFO] [stdout]    |
[INFO] [stdout] 46 |   #[link_name = "ruby_value_type"]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 47 |   #[repr(C)]
[INFO] [stdout] 48 | / pub enum ValueType {
[INFO] [stdout] 49 | |     None = 0x00,
[INFO] [stdout] 50 | |     Object = 0x01,
[INFO] [stdout] 51 | |     Class = 0x02,
[INFO] [stdout] ...  |
[INFO] [stdout] 74 | |     Mask = 0x1f,
[INFO] [stdout] 75 | | }
[INFO] [stdout]    | |_- not a foreign function or static
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[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 5.78s
[INFO] running `Command { std: "docker" "inspect" "e8655e6b4cac028251cada85abc45f5c748b065b6d69be249182b9242fc4867b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8655e6b4cac028251cada85abc45f5c748b065b6d69be249182b9242fc4867b", kill_on_drop: false }`
[INFO] [stdout] e8655e6b4cac028251cada85abc45f5c748b065b6d69be249182b9242fc4867b