[INFO] fetching crate ferris-extensions 0.1.0... [INFO] checking ferris-extensions-0.1.0 against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991 [INFO] extracting crate ferris-extensions 0.1.0 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate ferris-extensions 0.1.0 on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate ferris-extensions 0.1.0 [INFO] finished tweaking crates.io crate ferris-extensions 0.1.0 [INFO] tweaked toml for crates.io crate ferris-extensions 0.1.0 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6552e6864b1983f433d8f77413d6b9047bcbabe234389eef94be306cbd944d3b [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" "6552e6864b1983f433d8f77413d6b9047bcbabe234389eef94be306cbd944d3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6552e6864b1983f433d8f77413d6b9047bcbabe234389eef94be306cbd944d3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6552e6864b1983f433d8f77413d6b9047bcbabe234389eef94be306cbd944d3b", kill_on_drop: false }` [INFO] [stdout] 6552e6864b1983f433d8f77413d6b9047bcbabe234389eef94be306cbd944d3b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ed94e9e60591d26c7bf826516ab61d5d48cba931192a499d0f39c7e06d9e2268 [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" "ed94e9e60591d26c7bf826516ab61d5d48cba931192a499d0f39c7e06d9e2268", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking quote v1.0.7 [INFO] [stderr] Checking syn v1.0.48 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking Inflector v0.11.4 [INFO] [stderr] Checking ferris-extensions v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> src/lib.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Add` [INFO] [stdout] --> src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::ops::Add; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `syn::export::Formatter` [INFO] [stdout] --> src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use syn::export::Formatter; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::Error` [INFO] [stdout] --> src/lib.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::fmt::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `proc_macro2::TokenTree::Ident` [INFO] [stdout] --> src/lib.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use proc_macro2::TokenTree::Ident; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> src/lib.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Add` [INFO] [stdout] --> src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::ops::Add; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `syn::export::Formatter` [INFO] [stdout] --> src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use syn::export::Formatter; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::Error` [INFO] [stdout] --> src/lib.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::fmt::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `proc_macro2::TokenTree::Ident` [INFO] [stdout] --> src/lib.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use proc_macro2::TokenTree::Ident; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `attr_args` [INFO] [stdout] --> src/lib.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let attr_args = syn::parse_macro_input!(attrs as syn::AttributeArgs); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attr_args` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arrow` [INFO] [stdout] --> src/lib.rs:31:26 [INFO] [stdout] | [INFO] [stdout] 31 | ReturnType::Type(arrow, box_type) => { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_arrow` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `attr_args` [INFO] [stdout] --> src/lib.rs:120:9 [INFO] [stdout] | [INFO] [stdout] 120 | let attr_args = syn::parse_macro_input!(attrs as syn::AttributeArgs); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attr_args` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arrow` [INFO] [stdout] --> src/lib.rs:135:26 [INFO] [stdout] | [INFO] [stdout] 135 | ReturnType::Type(arrow, box_type) => { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_arrow` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `attr_args` [INFO] [stdout] --> src/lib.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let attr_args = syn::parse_macro_input!(attrs as syn::AttributeArgs); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attr_args` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arrow` [INFO] [stdout] --> src/lib.rs:31:26 [INFO] [stdout] | [INFO] [stdout] 31 | ReturnType::Type(arrow, box_type) => { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_arrow` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `attr_args` [INFO] [stdout] --> src/lib.rs:120:9 [INFO] [stdout] | [INFO] [stdout] 120 | let attr_args = syn::parse_macro_input!(attrs as syn::AttributeArgs); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attr_args` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arrow` [INFO] [stdout] --> src/lib.rs:135:26 [INFO] [stdout] | [INFO] [stdout] 135 | ReturnType::Type(arrow, box_type) => { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_arrow` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.51s [INFO] running `Command { std: "docker" "inspect" "ed94e9e60591d26c7bf826516ab61d5d48cba931192a499d0f39c7e06d9e2268", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed94e9e60591d26c7bf826516ab61d5d48cba931192a499d0f39c7e06d9e2268", kill_on_drop: false }` [INFO] [stdout] ed94e9e60591d26c7bf826516ab61d5d48cba931192a499d0f39c7e06d9e2268