[INFO] fetching crate miette-derive 7.6.0...
[INFO] building miette-derive-7.6.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate miette-derive 7.6.0 into /workspace/builds/worker-0-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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate miette-derive 7.6.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ff485c6c80a76a73f6817e6b09c1986b2445f882a803485b09c21fa12274c4e
[INFO] running `Command { std: "docker" "start" "-a" "5ff485c6c80a76a73f6817e6b09c1986b2445f882a803485b09c21fa12274c4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ff485c6c80a76a73f6817e6b09c1986b2445f882a803485b09c21fa12274c4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ff485c6c80a76a73f6817e6b09c1986b2445f882a803485b09c21fa12274c4e", kill_on_drop: false }`
[INFO] [stdout] 5ff485c6c80a76a73f6817e6b09c1986b2445f882a803485b09c21fa12274c4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce618a1b63d04c628cdb2cb62de6f7fbec834ea74ec078d68f72e06d203f9050
[INFO] running `Command { std: "docker" "start" "-a" "ce618a1b63d04c628cdb2cb62de6f7fbec834ea74ec078d68f72e06d203f9050", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling quote v1.0.38
[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 6.12s
[INFO] running `Command { std: "docker" "inspect" "ce618a1b63d04c628cdb2cb62de6f7fbec834ea74ec078d68f72e06d203f9050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce618a1b63d04c628cdb2cb62de6f7fbec834ea74ec078d68f72e06d203f9050", kill_on_drop: false }`
[INFO] [stdout] ce618a1b63d04c628cdb2cb62de6f7fbec834ea74ec078d68f72e06d203f9050
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8f904407b4018e890a2e30af5ec432bb8744ac336082f5de27808798daf387f
[INFO] running `Command { std: "docker" "start" "-a" "c8f904407b4018e890a2e30af5ec432bb8744ac336082f5de27808798daf387f", 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 1.61s
[INFO] running `Command { std: "docker" "inspect" "c8f904407b4018e890a2e30af5ec432bb8744ac336082f5de27808798daf387f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8f904407b4018e890a2e30af5ec432bb8744ac336082f5de27808798daf387f", kill_on_drop: false }`
[INFO] [stdout] c8f904407b4018e890a2e30af5ec432bb8744ac336082f5de27808798daf387f