[INFO] fetching crate const_panic 0.2.15...
[INFO] testing const_panic-0.2.15 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate const_panic 0.2.15 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate const_panic 0.2.15
[INFO] finished tweaking crates.io crate const_panic 0.2.15
[INFO] tweaked toml for crates.io crate const_panic 0.2.15 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate const_panic 0.2.15 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] crate crates.io crate const_panic 0.2.15 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trybuild v1.0.110
[INFO] [stderr]   Downloaded const_panic_proc_macros v0.2.15
[INFO] [stderr]   Downloaded typewit v1.11.0
[INFO] [stderr]   Downloaded syn v2.0.56
[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] a2c3c0ac5a3d4c6c6673c1f3d8cf898123c11364177541c4fe03ce1c2687f491
[INFO] running `Command { std: "docker" "start" "-a" "a2c3c0ac5a3d4c6c6673c1f3d8cf898123c11364177541c4fe03ce1c2687f491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2c3c0ac5a3d4c6c6673c1f3d8cf898123c11364177541c4fe03ce1c2687f491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2c3c0ac5a3d4c6c6673c1f3d8cf898123c11364177541c4fe03ce1c2687f491", kill_on_drop: false }`
[INFO] [stdout] a2c3c0ac5a3d4c6c6673c1f3d8cf898123c11364177541c4fe03ce1c2687f491
[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] d6fa248df690562f571f34c511152b3052e1f284d183c78cfb98ad977da81cc0
[INFO] running `Command { std: "docker" "start" "-a" "d6fa248df690562f571f34c511152b3052e1f284d183c78cfb98ad977da81cc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling typewit v1.11.0
[INFO] [stderr]    Compiling const_panic v0.2.15 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `enum_prim`
[INFO] [stdout]   --> src/fmt/fmt_compressed.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 | use enum_prim;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "d6fa248df690562f571f34c511152b3052e1f284d183c78cfb98ad977da81cc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6fa248df690562f571f34c511152b3052e1f284d183c78cfb98ad977da81cc0", kill_on_drop: false }`
[INFO] [stdout] d6fa248df690562f571f34c511152b3052e1f284d183c78cfb98ad977da81cc0
[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] 6e95912355d0866d2bf2b9f33b7cc9e1f0e79e37c5b45aa2624e57142dabe3cc
[INFO] running `Command { std: "docker" "start" "-a" "6e95912355d0866d2bf2b9f33b7cc9e1f0e79e37c5b45aa2624e57142dabe3cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stdout] warning: unused import: `enum_prim`
[INFO] [stdout]   --> src/fmt/fmt_compressed.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 | use enum_prim;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling const_panic v0.2.15 (/opt/rustwide/workdir)
[INFO] [stdout] error: please use cargo test --features "test"
[INFO] [stdout]    --> src/lib.rs:244:1
[INFO] [stdout]     |
[INFO] [stdout] 244 | compile_error! {r##"please use cargo test --features "test""##}
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `enum_prim`
[INFO] [stdout]   --> src/fmt/fmt_compressed.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 | use enum_prim;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `const_panic` (lib test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "6e95912355d0866d2bf2b9f33b7cc9e1f0e79e37c5b45aa2624e57142dabe3cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e95912355d0866d2bf2b9f33b7cc9e1f0e79e37c5b45aa2624e57142dabe3cc", kill_on_drop: false }`
[INFO] [stdout] 6e95912355d0866d2bf2b9f33b7cc9e1f0e79e37c5b45aa2624e57142dabe3cc
