[INFO] fetching crate misu 0.1.0-alpha.0... [INFO] testing misu-0.1.0-alpha.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate misu 0.1.0-alpha.0 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate misu 0.1.0-alpha.0 [INFO] finished tweaking crates.io crate misu 0.1.0-alpha.0 [INFO] tweaked toml for crates.io crate misu 0.1.0-alpha.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate misu 0.1.0-alpha.0 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 79621aa642908221ed07bb415dca4523a997bf2df62ebd9f9be318f03e55326a [INFO] running `Command { std: "docker" "start" "-a" "79621aa642908221ed07bb415dca4523a997bf2df62ebd9f9be318f03e55326a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "79621aa642908221ed07bb415dca4523a997bf2df62ebd9f9be318f03e55326a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "79621aa642908221ed07bb415dca4523a997bf2df62ebd9f9be318f03e55326a", kill_on_drop: false }` [INFO] [stdout] 79621aa642908221ed07bb415dca4523a997bf2df62ebd9f9be318f03e55326a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e0679c4df00e6fd3872ee40f1864cfa3c342dc8877eb79805fe781452047d70d [INFO] running `Command { std: "docker" "start" "-a" "e0679c4df00e6fd3872ee40f1864cfa3c342dc8877eb79805fe781452047d70d", kill_on_drop: false }` [INFO] [stderr] Compiling misu v0.1.0-alpha.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:3:24 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct ValidStr(Box, PhantomData); [INFO] [stdout] | -------- ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 3 - pub struct ValidStr(Box, PhantomData); [INFO] [stdout] 3 + pub struct ValidStr((), PhantomData); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s [INFO] running `Command { std: "docker" "inspect" "e0679c4df00e6fd3872ee40f1864cfa3c342dc8877eb79805fe781452047d70d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0679c4df00e6fd3872ee40f1864cfa3c342dc8877eb79805fe781452047d70d", kill_on_drop: false }` [INFO] [stdout] e0679c4df00e6fd3872ee40f1864cfa3c342dc8877eb79805fe781452047d70d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0569b9be8380f60eb2ac65b9f2cbdceee1a434847abe50d28fdc26336c420435 [INFO] running `Command { std: "docker" "start" "-a" "0569b9be8380f60eb2ac65b9f2cbdceee1a434847abe50d28fdc26336c420435", kill_on_drop: false }` [INFO] [stderr] Compiling misu v0.1.0-alpha.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:3:24 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct ValidStr(Box, PhantomData); [INFO] [stdout] | -------- ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 3 - pub struct ValidStr(Box, PhantomData); [INFO] [stdout] 3 + pub struct ValidStr((), PhantomData); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:3:24 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct ValidStr(Box, PhantomData); [INFO] [stdout] | -------- ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 3 - pub struct ValidStr(Box, PhantomData); [INFO] [stdout] 3 + pub struct ValidStr((), PhantomData); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s [INFO] running `Command { std: "docker" "inspect" "0569b9be8380f60eb2ac65b9f2cbdceee1a434847abe50d28fdc26336c420435", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0569b9be8380f60eb2ac65b9f2cbdceee1a434847abe50d28fdc26336c420435", kill_on_drop: false }` [INFO] [stdout] 0569b9be8380f60eb2ac65b9f2cbdceee1a434847abe50d28fdc26336c420435 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 410be9b3c39c7df7a34ad60fa433ad86668881823937576a107b1c30750fa554 [INFO] running `Command { std: "docker" "start" "-a" "410be9b3c39c7df7a34ad60fa433ad86668881823937576a107b1c30750fa554", kill_on_drop: false }` [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/lib.rs:3:24 [INFO] [stderr] | [INFO] [stderr] 3 | pub struct ValidStr(Box, PhantomData); [INFO] [stderr] | -------- ^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this struct [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 3 - pub struct ValidStr(Box, PhantomData); [INFO] [stderr] 3 + pub struct ValidStr((), PhantomData); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `misu` (lib) generated 1 warning [INFO] [stderr] warning: `misu` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/misu-b1dfbeba992b60b4) [INFO] [stderr] Doc-tests misu [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::it_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [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" "410be9b3c39c7df7a34ad60fa433ad86668881823937576a107b1c30750fa554", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "410be9b3c39c7df7a34ad60fa433ad86668881823937576a107b1c30750fa554", kill_on_drop: false }` [INFO] [stdout] 410be9b3c39c7df7a34ad60fa433ad86668881823937576a107b1c30750fa554