[INFO] fetching crate ferris-extensions 0.1.0... [INFO] checking ferris-extensions-0.1.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] extracting crate ferris-extensions 0.1.0 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate ferris-extensions 0.1.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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-5/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0c4651637b97e2f617b6d132e6729c2298800c4b26d16800793e3fd82f1120ac [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" "0c4651637b97e2f617b6d132e6729c2298800c4b26d16800793e3fd82f1120ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0c4651637b97e2f617b6d132e6729c2298800c4b26d16800793e3fd82f1120ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c4651637b97e2f617b6d132e6729c2298800c4b26d16800793e3fd82f1120ac", kill_on_drop: false }` [INFO] [stdout] 0c4651637b97e2f617b6d132e6729c2298800c4b26d16800793e3fd82f1120ac [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f726aa8ec9e63ae4f302b54754cdf76019d947dac0bbdbe717651dbc81c206fc [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" "f726aa8ec9e63ae4f302b54754cdf76019d947dac0bbdbe717651dbc81c206fc", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Checking unicode-xid v0.2.1 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Checking quote v1.0.7 [INFO] [stderr] Checking syn v1.0.42 [INFO] [stderr] Checking regex v1.3.9 [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 9.70s [INFO] running `Command { std: "docker" "inspect" "f726aa8ec9e63ae4f302b54754cdf76019d947dac0bbdbe717651dbc81c206fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f726aa8ec9e63ae4f302b54754cdf76019d947dac0bbdbe717651dbc81c206fc", kill_on_drop: false }` [INFO] [stdout] f726aa8ec9e63ae4f302b54754cdf76019d947dac0bbdbe717651dbc81c206fc