[INFO] fetching crate show 0.1.1...
[INFO] testing show-0.1.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate show 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate show 0.1.1
[INFO] finished tweaking crates.io crate show 0.1.1
[INFO] tweaked toml for crates.io crate show 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate show 0.1.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 687cf343e2f33306dbed890857cd75196214605d09d282b1bfa41d178c4fc032
[INFO] running `Command { std: "docker" "start" "-a" "687cf343e2f33306dbed890857cd75196214605d09d282b1bfa41d178c4fc032", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "687cf343e2f33306dbed890857cd75196214605d09d282b1bfa41d178c4fc032", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "687cf343e2f33306dbed890857cd75196214605d09d282b1bfa41d178c4fc032", kill_on_drop: false }`
[INFO] [stdout] 687cf343e2f33306dbed890857cd75196214605d09d282b1bfa41d178c4fc032
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1544b3d20c679edff48bc993c97b2459fe99af0a4192455c40394e49e21f832
[INFO] running `Command { std: "docker" "start" "-a" "a1544b3d20c679edff48bc993c97b2459fe99af0a4192455c40394e49e21f832", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling show v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "a1544b3d20c679edff48bc993c97b2459fe99af0a4192455c40394e49e21f832", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1544b3d20c679edff48bc993c97b2459fe99af0a4192455c40394e49e21f832", kill_on_drop: false }`
[INFO] [stdout] a1544b3d20c679edff48bc993c97b2459fe99af0a4192455c40394e49e21f832
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7259416ce58dffe3428f37c957b1f865b8c8983c9785ac801c6b2f74f118fedf
[INFO] running `Command { std: "docker" "start" "-a" "7259416ce58dffe3428f37c957b1f865b8c8983c9785ac801c6b2f74f118fedf", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling show v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> lib.rs:4:38
[INFO] [stdout]    |
[INFO] [stdout]  4 |         println!("{:?}", $expression);
[INFO] [stdout]    |                                      ^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     show!(4u8, 'x', ("a", "b"));
[INFO] [stdout]    |     --------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `show`
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `show` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: show v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "7259416ce58dffe3428f37c957b1f865b8c8983c9785ac801c6b2f74f118fedf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7259416ce58dffe3428f37c957b1f865b8c8983c9785ac801c6b2f74f118fedf", kill_on_drop: false }`
[INFO] [stdout] 7259416ce58dffe3428f37c957b1f865b8c8983c9785ac801c6b2f74f118fedf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dc8d403debcd959aab9eee3f4f8a5c5dd4609bd9de6052294ae3f4ce4f74c8da
[INFO] running `Command { std: "docker" "start" "-a" "dc8d403debcd959aab9eee3f4f8a5c5dd4609bd9de6052294ae3f4ce4f74c8da", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]   --> lib.rs:4:38
[INFO] [stderr]    |
[INFO] [stderr]  4 |         println!("{:?}", $expression);
[INFO] [stderr]    |                                      ^
[INFO] [stderr] ...
[INFO] [stderr] 20 |     show!(4u8, 'x', ("a", "b"));
[INFO] [stderr]    |     --------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stderr]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `show`
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]    = note: `#[warn(semicolon_in_expressions_from_macros)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stderr]    = note: this warning originates in the macro `show` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `show` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: show v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests lib.rs (/opt/rustwide/target/debug/deps/show-df3751983afef862)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dc8d403debcd959aab9eee3f4f8a5c5dd4609bd9de6052294ae3f4ce4f74c8da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc8d403debcd959aab9eee3f4f8a5c5dd4609bd9de6052294ae3f4ce4f74c8da", kill_on_drop: false }`
[INFO] [stdout] dc8d403debcd959aab9eee3f4f8a5c5dd4609bd9de6052294ae3f4ce4f74c8da
