[INFO] fetching crate miden-miette-derive 8.0.0...
[INFO] testing miden-miette-derive-8.0.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate miden-miette-derive 8.0.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate miden-miette-derive 8.0.0
[INFO] finished tweaking crates.io crate miden-miette-derive 8.0.0
[INFO] tweaked toml for crates.io crate miden-miette-derive 8.0.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate miden-miette-derive 8.0.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e198892b94bec04dd2ecb50435266be9a01dc2e0464e3df86f20951a8f3ad15c
[INFO] running `Command { std: "docker" "start" "-a" "e198892b94bec04dd2ecb50435266be9a01dc2e0464e3df86f20951a8f3ad15c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e198892b94bec04dd2ecb50435266be9a01dc2e0464e3df86f20951a8f3ad15c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e198892b94bec04dd2ecb50435266be9a01dc2e0464e3df86f20951a8f3ad15c", kill_on_drop: false }`
[INFO] [stdout] e198892b94bec04dd2ecb50435266be9a01dc2e0464e3df86f20951a8f3ad15c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83bcdaedb21e42b05b76abd9725fd1a1175947457eeb31bd5928807f5dcadbe1
[INFO] running `Command { std: "docker" "start" "-a" "83bcdaedb21e42b05b76abd9725fd1a1175947457eeb31bd5928807f5dcadbe1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling miden-miette-derive v8.0.0 (/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 3.87s
[INFO] running `Command { std: "docker" "inspect" "83bcdaedb21e42b05b76abd9725fd1a1175947457eeb31bd5928807f5dcadbe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83bcdaedb21e42b05b76abd9725fd1a1175947457eeb31bd5928807f5dcadbe1", kill_on_drop: false }`
[INFO] [stdout] 83bcdaedb21e42b05b76abd9725fd1a1175947457eeb31bd5928807f5dcadbe1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff9e8a94603561b45618971cf3d625ecd471dfcf6cc66676d1f556fec2cee4c3
[INFO] running `Command { std: "docker" "start" "-a" "ff9e8a94603561b45618971cf3d625ecd471dfcf6cc66676d1f556fec2cee4c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling miden-miette-derive v8.0.0 (/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 1.27s
[INFO] running `Command { std: "docker" "inspect" "ff9e8a94603561b45618971cf3d625ecd471dfcf6cc66676d1f556fec2cee4c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff9e8a94603561b45618971cf3d625ecd471dfcf6cc66676d1f556fec2cee4c3", kill_on_drop: false }`
[INFO] [stdout] ff9e8a94603561b45618971cf3d625ecd471dfcf6cc66676d1f556fec2cee4c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 42c7961e1d0590c9051f410af3cdb732c6f2686992108e575a1ef2944a278d7c
[INFO] running `Command { std: "docker" "start" "-a" "42c7961e1d0590c9051f410af3cdb732c6f2686992108e575a1ef2944a278d7c", kill_on_drop: false }`
[INFO] [stderr] warning: enum `MemberOrString` is never used
[INFO] [stderr]  --> src/utils.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub(crate) enum MemberOrString {
[INFO] [stderr]   |                 ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `miden-miette-derive` (lib) generated 1 warning
[INFO] [stderr] warning: `miden-miette-derive` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/miden_miette_derive-d324dc08ac3cdb41)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests miden_miette_derive
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "42c7961e1d0590c9051f410af3cdb732c6f2686992108e575a1ef2944a278d7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42c7961e1d0590c9051f410af3cdb732c6f2686992108e575a1ef2944a278d7c", kill_on_drop: false }`
[INFO] [stdout] 42c7961e1d0590c9051f410af3cdb732c6f2686992108e575a1ef2944a278d7c