[INFO] fetching crate krnl-macros 0.1.1...
[INFO] checking krnl-macros-0.1.1 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate krnl-macros 0.1.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate krnl-macros 0.1.1
[INFO] finished tweaking crates.io crate krnl-macros 0.1.1
[INFO] tweaked toml for crates.io crate krnl-macros 0.1.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate krnl-macros 0.1.1 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 26 packages to latest compatible versions
[INFO] [stderr]       Adding derive-syn-parse v0.1.5 (available: v0.2.0)
[INFO] [stderr]       Adding derive_more v0.99.20 (available: v2.0.1)
[INFO] [stderr]       Adding itertools v0.12.1 (available: v0.14.0)
[INFO] [stderr]       Adding prettyplease v0.1.25 (available: v0.2.35)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.104)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e93f420c0c8eb9823b7e8fae4753d8a91b55d9dcf835459bee0bbde60489b11a
[INFO] running `Command { std: "docker" "start" "-a" "e93f420c0c8eb9823b7e8fae4753d8a91b55d9dcf835459bee0bbde60489b11a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e93f420c0c8eb9823b7e8fae4753d8a91b55d9dcf835459bee0bbde60489b11a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e93f420c0c8eb9823b7e8fae4753d8a91b55d9dcf835459bee0bbde60489b11a", kill_on_drop: false }`
[INFO] [stdout] e93f420c0c8eb9823b7e8fae4753d8a91b55d9dcf835459bee0bbde60489b11a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e314d02563925ea4186aeba0d9df6e685230ed4e37a0504ec7f3314aebf32ebc
[INFO] running `Command { std: "docker" "start" "-a" "e314d02563925ea4186aeba0d9df6e685230ed4e37a0504ec7f3314aebf32ebc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling prettyplease v0.1.25
[INFO] [stderr]     Checking adler2 v2.0.1
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking bytemuck v1.23.1
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking zero85 v0.2.0
[INFO] [stderr]     Checking flate2 v1.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]    Compiling derive-syn-parse v0.1.5
[INFO] [stderr]     Checking bincode2 v2.0.1
[INFO] [stderr]     Checking krnl-macros v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `InsideBrace` is never constructed
[INFO] [stdout]   --> src/lib.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | struct InsideBrace<T> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InsideBrace` is never constructed
[INFO] [stdout]   --> src/lib.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | struct InsideBrace<T> {
[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 25.17s
[INFO] running `Command { std: "docker" "inspect" "e314d02563925ea4186aeba0d9df6e685230ed4e37a0504ec7f3314aebf32ebc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e314d02563925ea4186aeba0d9df6e685230ed4e37a0504ec7f3314aebf32ebc", kill_on_drop: false }`
[INFO] [stdout] e314d02563925ea4186aeba0d9df6e685230ed4e37a0504ec7f3314aebf32ebc