[INFO] fetching crate test-tag 0.1.4...
[INFO] checking test-tag-0.1.4 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] extracting crate test-tag 0.1.4 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate test-tag 0.1.4
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate test-tag 0.1.4
[INFO] tweaked toml for crates.io crate test-tag 0.1.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate test-tag 0.1.4 on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "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" "+b1f2594eac607c1f051534800237eeedb5590a49" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 61 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99bd8ef2304294e15ef392a92b44930be30e1f774126f2414b23b2102d534b97
[INFO] running `Command { std: "docker" "start" "-a" "99bd8ef2304294e15ef392a92b44930be30e1f774126f2414b23b2102d534b97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99bd8ef2304294e15ef392a92b44930be30e1f774126f2414b23b2102d534b97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99bd8ef2304294e15ef392a92b44930be30e1f774126f2414b23b2102d534b97", kill_on_drop: false }`
[INFO] [stdout] 99bd8ef2304294e15ef392a92b44930be30e1f774126f2414b23b2102d534b97
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aea78ca8b030b055c1d65a59aa3703262cfffbd1cbc1e1bc73ad4327f1e1096e
[INFO] running `Command { std: "docker" "start" "-a" "aea78ca8b030b055c1d65a59aa3703262cfffbd1cbc1e1bc73ad4327f1e1096e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking winnow v0.7.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling target-triple v1.0.0
[INFO] [stderr]     Checking env_filter v0.1.4
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]     Checking toml_writer v1.0.6+spec-1.1.0
[INFO] [stderr]     Checking anstream v0.6.21
[INFO] [stderr]     Checking glob v0.3.3
[INFO] [stderr]     Checking toml_datetime v0.7.5+spec-1.1.0
[INFO] [stderr]     Checking serde_spanned v1.0.4
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]    Compiling test-log-macros v0.2.19
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling test-tag v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking env_logger v0.11.8
[INFO] [stderr]     Checking tokio v1.49.0
[INFO] [stderr]     Checking test-log v0.2.19
[INFO] [stderr]     Checking syn v2.0.114
[INFO] [stderr]     Checking toml_parser v1.0.6+spec-1.1.0
[INFO] [stderr]     Checking toml v0.9.11+spec-1.1.0
[INFO] [stderr]     Checking trybuild v1.0.114
[INFO] [stdout] error[E0659]: `panic` is ambiguous
[INFO] [stdout]   --> tests/tests.rs:44:3
[INFO] [stdout]    |
[INFO] [stdout] 44 |   panic!()
[INFO] [stdout]    |   ^^^^^ ambiguous name
[INFO] [stdout]    |
[INFO] [stdout]    = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `panic` could refer to the macro imported here
[INFO] [stdout]   --> tests/tests.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | #[test_tag::tag(ignore_tag)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stdout]    = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stdout] note: `panic` could also refer to a macro from prelude
[INFO] [stdout]   --> /rustc/b1f2594eac607c1f051534800237eeedb5590a49/library/std/src/prelude/mod.rs:152:12
[INFO] [stdout]    = note: this error originates in the attribute macro `test_tag::tag` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0659`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `test-tag` (test "tests") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "aea78ca8b030b055c1d65a59aa3703262cfffbd1cbc1e1bc73ad4327f1e1096e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aea78ca8b030b055c1d65a59aa3703262cfffbd1cbc1e1bc73ad4327f1e1096e", kill_on_drop: false }`
[INFO] [stdout] aea78ca8b030b055c1d65a59aa3703262cfffbd1cbc1e1bc73ad4327f1e1096e