[INFO] fetching crate miette-derive 7.6.0...
[INFO] building miette-derive-7.6.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate miette-derive 7.6.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate miette-derive 7.6.0
[INFO] finished tweaking crates.io crate miette-derive 7.6.0
[INFO] tweaked toml for crates.io crate miette-derive 7.6.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate miette-derive 7.6.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate miette-derive 7.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f957cd1a0ad11829494194e4b0bba67374fc82383b58ab0612b0a4314492637
[INFO] running `Command { std: "docker" "start" "-a" "7f957cd1a0ad11829494194e4b0bba67374fc82383b58ab0612b0a4314492637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f957cd1a0ad11829494194e4b0bba67374fc82383b58ab0612b0a4314492637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f957cd1a0ad11829494194e4b0bba67374fc82383b58ab0612b0a4314492637", kill_on_drop: false }`
[INFO] [stdout] 7f957cd1a0ad11829494194e4b0bba67374fc82383b58ab0612b0a4314492637
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e8f3f1a58c612bf1c56da7be0fcd0d1afa099b98a1c74c2ff6e0e17922a4e6f
[INFO] running `Command { std: "docker" "start" "-a" "4e8f3f1a58c612bf1c56da7be0fcd0d1afa099b98a1c74c2ff6e0e17922a4e6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling miette-derive v7.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `MemberOrString` is never used
[INFO] [stdout]  --> src/utils.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub(crate) enum MemberOrString {
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.61s
[INFO] running `Command { std: "docker" "inspect" "4e8f3f1a58c612bf1c56da7be0fcd0d1afa099b98a1c74c2ff6e0e17922a4e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e8f3f1a58c612bf1c56da7be0fcd0d1afa099b98a1c74c2ff6e0e17922a4e6f", kill_on_drop: false }`
[INFO] [stdout] 4e8f3f1a58c612bf1c56da7be0fcd0d1afa099b98a1c74c2ff6e0e17922a4e6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] feff7edaff5b139873364d1161eb47d2c274343d549fffa49bf70a93cad96a77
[INFO] running `Command { std: "docker" "start" "-a" "feff7edaff5b139873364d1161eb47d2c274343d549fffa49bf70a93cad96a77", kill_on_drop: false }`
[INFO] [stderr]    Compiling miette-derive v7.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `MemberOrString` is never used
[INFO] [stdout]  --> src/utils.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub(crate) enum MemberOrString {
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MemberOrString` is never used
[INFO] [stdout]  --> src/utils.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub(crate) enum MemberOrString {
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "feff7edaff5b139873364d1161eb47d2c274343d549fffa49bf70a93cad96a77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feff7edaff5b139873364d1161eb47d2c274343d549fffa49bf70a93cad96a77", kill_on_drop: false }`
[INFO] [stdout] feff7edaff5b139873364d1161eb47d2c274343d549fffa49bf70a93cad96a77