[INFO] fetching crate fferris_macros 0.0.0...
[INFO] checking fferris_macros-0.0.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate fferris_macros 0.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate fferris_macros 0.0.0
[INFO] finished tweaking crates.io crate fferris_macros 0.0.0
[INFO] tweaked toml for crates.io crate fferris_macros 0.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fferris_macros 0.0.0 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 4 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9ed7376185138a9670567b845cdb3b01169eb0d13fe9dab3fc74cbd1433f5117
[INFO] running `Command { std: "docker" "start" "-a" "9ed7376185138a9670567b845cdb3b01169eb0d13fe9dab3fc74cbd1433f5117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ed7376185138a9670567b845cdb3b01169eb0d13fe9dab3fc74cbd1433f5117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ed7376185138a9670567b845cdb3b01169eb0d13fe9dab3fc74cbd1433f5117", kill_on_drop: false }`
[INFO] [stdout] 9ed7376185138a9670567b845cdb3b01169eb0d13fe9dab3fc74cbd1433f5117
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 01fb97d2e4308ecfe92e5c9ca61b08c431da6afaab95564027239d15fe082b05
[INFO] running `Command { std: "docker" "start" "-a" "01fb97d2e4308ecfe92e5c9ca61b08c431da6afaab95564027239d15fe082b05", 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 fferris_macros v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Punct`
[INFO] [stdout]   --> src/lib.rs:10:26
[INFO] [stdout]    |
[INFO] [stdout] 10 | use proc_macro2::{Ident, Punct, Span, TokenStream};
[INFO] [stdout]    |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ToTokens`
[INFO] [stdout]   --> src/lib.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 | use quote::{quote, ToTokens};
[INFO] [stdout]    |                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Attribute`, `LitStr`, `Token`, `Type`, and `Variant`
[INFO] [stdout]   --> src/lib.rs:13:53
[INFO] [stdout]    |
[INFO] [stdout] 13 |     parenthesized, parse::Parse, parse_macro_input, Attribute, Data, DeriveInput, Expr, LitStr,
[INFO] [stdout]    |                                                     ^^^^^^^^^                           ^^^^^^
[INFO] [stdout] 14 |     Meta, Token, Type, Variant,
[INFO] [stdout]    |           ^^^^^  ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Punct`
[INFO] [stdout]   --> src/lib.rs:10:26
[INFO] [stdout]    |
[INFO] [stdout] 10 | use proc_macro2::{Ident, Punct, Span, TokenStream};
[INFO] [stdout]    |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ToTokens`
[INFO] [stdout]   --> src/lib.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 | use quote::{quote, ToTokens};
[INFO] [stdout]    |                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Attribute`, `LitStr`, `Token`, `Type`, and `Variant`
[INFO] [stdout]   --> src/lib.rs:13:53
[INFO] [stdout]    |
[INFO] [stdout] 13 |     parenthesized, parse::Parse, parse_macro_input, Attribute, Data, DeriveInput, Expr, LitStr,
[INFO] [stdout]    |                                                     ^^^^^^^^^                           ^^^^^^
[INFO] [stdout] 14 |     Meta, Token, Type, Variant,
[INFO] [stdout]    |           ^^^^^  ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parse::Parse`
[INFO] [stdout]   --> src/lib.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 |     parenthesized, parse::Parse, parse_macro_input, Attribute, Data, DeriveInput, Expr, LitStr,
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FFerrisCodecs` is never used
[INFO] [stdout]   --> src/lib.rs:37:18
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub(crate) trait FFerrisCodecs {}
[INFO] [stdout]    |                  ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parse::Parse`
[INFO] [stdout]   --> src/lib.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 |     parenthesized, parse::Parse, parse_macro_input, Attribute, Data, DeriveInput, Expr, LitStr,
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FFerrisCodecs` is never used
[INFO] [stdout]   --> src/lib.rs:37:18
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub(crate) trait FFerrisCodecs {}
[INFO] [stdout]    |                  ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `Command { std: "docker" "inspect" "01fb97d2e4308ecfe92e5c9ca61b08c431da6afaab95564027239d15fe082b05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01fb97d2e4308ecfe92e5c9ca61b08c431da6afaab95564027239d15fe082b05", kill_on_drop: false }`
[INFO] [stdout] 01fb97d2e4308ecfe92e5c9ca61b08c431da6afaab95564027239d15fe082b05