[INFO] fetching crate meowstore_binbuf_macros 0.1.0...
[INFO] checking meowstore_binbuf_macros-0.1.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate meowstore_binbuf_macros 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate meowstore_binbuf_macros 0.1.0
[INFO] finished tweaking crates.io crate meowstore_binbuf_macros 0.1.0
[INFO] tweaked toml for crates.io crate meowstore_binbuf_macros 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate meowstore_binbuf_macros 0.1.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2a79d6f09ed871c728ec7d5cdf1a877ec24532b40bab91d1b3adc5c332b3a7a
[INFO] running `Command { std: "docker" "start" "-a" "f2a79d6f09ed871c728ec7d5cdf1a877ec24532b40bab91d1b3adc5c332b3a7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2a79d6f09ed871c728ec7d5cdf1a877ec24532b40bab91d1b3adc5c332b3a7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2a79d6f09ed871c728ec7d5cdf1a877ec24532b40bab91d1b3adc5c332b3a7a", kill_on_drop: false }`
[INFO] [stdout] f2a79d6f09ed871c728ec7d5cdf1a877ec24532b40bab91d1b3adc5c332b3a7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e444211e16ed595c1a5530264a2add20bbc8b32ebe57a4d28ca99b4a92681cb0
[INFO] running `Command { std: "docker" "start" "-a" "e444211e16ed595c1a5530264a2add20bbc8b32ebe57a4d28ca99b4a92681cb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking syn v2.0.106
[INFO] [stderr]     Checking to_phantom v0.1.0
[INFO] [stderr]     Checking meowstore_binbuf_macros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `marker::PhantomData`
[INFO] [stdout]  --> src/fixed/expand/impl/instance.rs:4:34
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{collections::BTreeMap, marker::PhantomData};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TokenStream`
[INFO] [stdout]  --> src/fixed/expand/impl/code/en/enum.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use proc_macro2::{Span, TokenStream};
[INFO] [stdout]   |                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `proc_macro2::TokenStream`
[INFO] [stdout]  --> src/fixed/expand/impl/code/en/struct.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use proc_macro2::TokenStream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Span`
[INFO] [stdout]  --> src/fixed/expand/impl/code/de/enum.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use proc_macro2::{Span, TokenStream};
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `expand::r#impl::enum_tag_data`
[INFO] [stdout]  --> src/dynamic/expand/impl/instance/item_fields_data.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::dynamic::{expand::r#impl::enum_tag_data, Item};
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TokenStream`
[INFO] [stdout]  --> src/dynamic/expand/impl/code/en/enum.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use proc_macro2::{Span, TokenStream};
[INFO] [stdout]   |                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `proc_macro2::TokenStream`
[INFO] [stdout]  --> src/dynamic/expand/impl/code/en/struct.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use proc_macro2::TokenStream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Span`
[INFO] [stdout]  --> src/dynamic/expand/impl/code/de/enum.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use proc_macro2::{Span, TokenStream};
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `marker::PhantomData`
[INFO] [stdout]  --> src/fixed/expand/impl/instance.rs:4:34
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{collections::BTreeMap, marker::PhantomData};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TokenStream`
[INFO] [stdout]  --> src/fixed/expand/impl/code/en/enum.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use proc_macro2::{Span, TokenStream};
[INFO] [stdout]   |                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `proc_macro2::TokenStream`
[INFO] [stdout]  --> src/fixed/expand/impl/code/en/struct.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use proc_macro2::TokenStream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Span`
[INFO] [stdout]  --> src/fixed/expand/impl/code/de/enum.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use proc_macro2::{Span, TokenStream};
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `expand::r#impl::enum_tag_data`
[INFO] [stdout]  --> src/dynamic/expand/impl/instance/item_fields_data.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::dynamic::{expand::r#impl::enum_tag_data, Item};
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TokenStream`
[INFO] [stdout]  --> src/dynamic/expand/impl/code/en/enum.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use proc_macro2::{Span, TokenStream};
[INFO] [stdout]   |                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `proc_macro2::TokenStream`
[INFO] [stdout]  --> src/dynamic/expand/impl/code/en/struct.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use proc_macro2::TokenStream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Span`
[INFO] [stdout]  --> src/dynamic/expand/impl/code/de/enum.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use proc_macro2::{Span, TokenStream};
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `len` is never read
[INFO] [stdout]   --> src/fixed/expand/impl/instance/item_fields_data.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |             len = quote! { #tag_size + #len };
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variants_len`
[INFO] [stdout]  --> src/fixed/expand/impl/code/en/enum.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let variants_len = value.variants.len();
[INFO] [stdout]   |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variants_len`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `encode_fields` is never read
[INFO] [stdout]   --> src/fixed/expand/impl/code/en/enum.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let (mut encode_fields, mut match_fields, mut fields_len) = (quote! {}, quote! {}, quote! { 0 });
[INFO] [stdout]    |                  ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]   --> src/dynamic/expand/impl/instance/item_fields_data.rs:67:20
[INFO] [stdout]    |
[INFO] [stdout] 67 |         Item::Enum(item) => {
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variants_len`
[INFO] [stdout]  --> src/dynamic/expand/impl/code/en/enum.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let variants_len = value.variants.len();
[INFO] [stdout]   |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variants_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `encode_fields` is never read
[INFO] [stdout]   --> src/dynamic/expand/impl/code/en/enum.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let (mut encode_fields, mut match_fields, mut fields_len) = (quote! {}, quote! {}, quote! { 0 });
[INFO] [stdout]    |                  ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `len` is never read
[INFO] [stdout]   --> src/dynamic/expand/impl/code/en/enum.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 |     len = quote! { #tag_size + #len };
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `encode_fn` is never read
[INFO] [stdout]   --> src/dynamic/expand/impl/code/en/enum.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     encode_fn = quote! {
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `len` is never read
[INFO] [stdout]   --> src/fixed/expand/impl/instance/item_fields_data.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |             len = quote! { #tag_size + #len };
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `attrs` is never used
[INFO] [stdout]   --> src/fixed/input.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl Item {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 49 |     pub fn attrs(&self) -> &Vec<syn::Attribute> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `attrs` is never used
[INFO] [stdout]   --> src/dynamic/input.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl Item {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 49 |     pub fn attrs(&self) -> &Vec<syn::Attribute> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variants_len`
[INFO] [stdout]  --> src/fixed/expand/impl/code/en/enum.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let variants_len = value.variants.len();
[INFO] [stdout]   |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variants_len`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `encode_fields` is never read
[INFO] [stdout]   --> src/fixed/expand/impl/code/en/enum.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let (mut encode_fields, mut match_fields, mut fields_len) = (quote! {}, quote! {}, quote! { 0 });
[INFO] [stdout]    |                  ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]   --> src/dynamic/expand/impl/instance/item_fields_data.rs:67:20
[INFO] [stdout]    |
[INFO] [stdout] 67 |         Item::Enum(item) => {
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variants_len`
[INFO] [stdout]  --> src/dynamic/expand/impl/code/en/enum.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let variants_len = value.variants.len();
[INFO] [stdout]   |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variants_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `encode_fields` is never read
[INFO] [stdout]   --> src/dynamic/expand/impl/code/en/enum.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let (mut encode_fields, mut match_fields, mut fields_len) = (quote! {}, quote! {}, quote! { 0 });
[INFO] [stdout]    |                  ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `len` is never read
[INFO] [stdout]   --> src/dynamic/expand/impl/code/en/enum.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 |     len = quote! { #tag_size + #len };
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `encode_fn` is never read
[INFO] [stdout]   --> src/dynamic/expand/impl/code/en/enum.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     encode_fn = quote! {
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `attrs` is never used
[INFO] [stdout]   --> src/fixed/input.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl Item {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 49 |     pub fn attrs(&self) -> &Vec<syn::Attribute> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `attrs` is never used
[INFO] [stdout]   --> src/dynamic/input.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl Item {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 49 |     pub fn attrs(&self) -> &Vec<syn::Attribute> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.60s
[INFO] running `Command { std: "docker" "inspect" "e444211e16ed595c1a5530264a2add20bbc8b32ebe57a4d28ca99b4a92681cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e444211e16ed595c1a5530264a2add20bbc8b32ebe57a4d28ca99b4a92681cb0", kill_on_drop: false }`
[INFO] [stdout] e444211e16ed595c1a5530264a2add20bbc8b32ebe57a4d28ca99b4a92681cb0