[INFO] fetching crate ifmt 0.3.3... [INFO] testing ifmt-0.3.3 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate ifmt 0.3.3 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate ifmt 0.3.3 [INFO] finished tweaking crates.io crate ifmt 0.3.3 [INFO] tweaked toml for crates.io crate ifmt 0.3.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate ifmt 0.3.3 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] [stderr] Updating crates.io index [INFO] [stderr] Locking 12 packages to latest compatible versions [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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ff94083e7c5f4781e5c1c126b1819f4862bf2adf75c1e7ddb5c05455df53175d [INFO] running `Command { std: "docker" "start" "-a" "ff94083e7c5f4781e5c1c126b1819f4862bf2adf75c1e7ddb5c05455df53175d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ff94083e7c5f4781e5c1c126b1819f4862bf2adf75c1e7ddb5c05455df53175d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff94083e7c5f4781e5c1c126b1819f4862bf2adf75c1e7ddb5c05455df53175d", kill_on_drop: false }` [INFO] [stdout] ff94083e7c5f4781e5c1c126b1819f4862bf2adf75c1e7ddb5c05455df53175d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0a6e4b32e34f386c6cf3ee92167dcbd169da12bd69bb59502a8b8e2b35a4aa80 [INFO] running `Command { std: "docker" "start" "-a" "0a6e4b32e34f386c6cf3ee92167dcbd169da12bd69bb59502a8b8e2b35a4aa80", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.7.6 [INFO] [stderr] Compiling regex-syntax v0.8.6 [INFO] [stderr] Compiling proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling regex-automata v0.4.11 [INFO] [stderr] Compiling regex v1.11.3 [INFO] [stderr] Compiling ifmt-impl v0.3.3 [INFO] [stderr] Compiling ifmt v0.3.3 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.97s [INFO] running `Command { std: "docker" "inspect" "0a6e4b32e34f386c6cf3ee92167dcbd169da12bd69bb59502a8b8e2b35a4aa80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a6e4b32e34f386c6cf3ee92167dcbd169da12bd69bb59502a8b8e2b35a4aa80", kill_on_drop: false }` [INFO] [stdout] 0a6e4b32e34f386c6cf3ee92167dcbd169da12bd69bb59502a8b8e2b35a4aa80 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 790b4eb53b9e1d0733df96eca7c9ff8c496290572b7334a5674845a2894a4146 [INFO] running `Command { std: "docker" "start" "-a" "790b4eb53b9e1d0733df96eca7c9ff8c496290572b7334a5674845a2894a4146", kill_on_drop: false }` [INFO] [stderr] Compiling ifmt v0.3.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> tests/outlittests.rs:148:9 [INFO] [stdout] | [INFO] [stdout] 148 | iformat!("borrow: " v[0]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 148 | let _ = iformat!("borrow: " v[0]);; [INFO] [stdout] | +++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> tests/inlittests.rs:121:9 [INFO] [stdout] | [INFO] [stdout] 121 | iformat!("borrow: {v[0]}"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 121 | let _ = iformat!("borrow: {v[0]}");; [INFO] [stdout] | +++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s [INFO] running `Command { std: "docker" "inspect" "790b4eb53b9e1d0733df96eca7c9ff8c496290572b7334a5674845a2894a4146", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "790b4eb53b9e1d0733df96eca7c9ff8c496290572b7334a5674845a2894a4146", kill_on_drop: false }` [INFO] [stdout] 790b4eb53b9e1d0733df96eca7c9ff8c496290572b7334a5674845a2894a4146 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c357cdfbcb2400cc6cdded4eb6d693cfe4f59525f1adf8a4db11c6e81439ca81 [INFO] running `Command { std: "docker" "start" "-a" "c357cdfbcb2400cc6cdded4eb6d693cfe4f59525f1adf8a4db11c6e81439ca81", kill_on_drop: false }` [INFO] [stderr] warning: unused return value of `must_use` that must be used [INFO] [stderr] --> tests/inlittests.rs:121:9 [INFO] [stderr] | [INFO] [stderr] 121 | iformat!("borrow: {v[0]}"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 121 | let _ = iformat!("borrow: {v[0]}");; [INFO] [stderr] | +++++++ + [INFO] [stderr] [INFO] [stderr] warning: unused return value of `must_use` that must be used [INFO] [stderr] --> tests/outlittests.rs:148:9 [INFO] [stderr] | [INFO] [stderr] 148 | iformat!("borrow: " v[0]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 148 | let _ = iformat!("borrow: " v[0]);; [INFO] [stderr] | +++++++ + [INFO] [stderr] [INFO] [stderr] warning: `ifmt` (test "inlittests") generated 1 warning [INFO] [stderr] warning: `ifmt` (test "outlittests") generated 1 warning [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ifmt-305a99bc72c38abd) [INFO] [stdout] running 0 tests [INFO] [stderr] Running tests/inlittests.rs (/opt/rustwide/target/debug/deps/inlittests-4e27dfe954f721ac) [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] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test inlittests::expr_subst ... ok [INFO] [stdout] test inlittests::internal_strings ... ok [INFO] [stdout] test inlittests::simple_subst ... ok [INFO] [stdout] test inlittests::spec_subst ... ok [INFO] [stdout] test inlittests::write ... ok [INFO] [stdout] test inlittests::internal_chars ... ok [INFO] [stdout] test inlittests::borrow ... ok [INFO] [stdout] test inlittests::internal_lifetimes ... ok [INFO] [stdout] test inlittests::panic - should panic ... ok [INFO] [stderr] Running tests/outlittests.rs (/opt/rustwide/target/debug/deps/outlittests-f394d2a66ad9997f) [INFO] [stdout] [INFO] [stderr] Doc-tests ifmt [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test outlittests::borrow ... ok [INFO] [stdout] test outlittests::expr_subst ... ok [INFO] [stdout] test outlittests::internal_lifetimes ... ok [INFO] [stdout] test outlittests::no_alignment_leak ... ok [INFO] [stdout] test outlittests::simple_subst ... ok [INFO] [stdout] test outlittests::write ... ok [INFO] [stdout] test outlittests::spec_subst ... ok [INFO] [stdout] test outlittests::internal_chars ... ok [INFO] [stdout] test outlittests::panic - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/lib.rs - (line 16) ... ignored [INFO] [stdout] test src/lib.rs - (line 4) ... ok [INFO] [stdout] test src/lib.rs - iformat (line 35) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.45s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "c357cdfbcb2400cc6cdded4eb6d693cfe4f59525f1adf8a4db11c6e81439ca81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c357cdfbcb2400cc6cdded4eb6d693cfe4f59525f1adf8a4db11c6e81439ca81", kill_on_drop: false }` [INFO] [stdout] c357cdfbcb2400cc6cdded4eb6d693cfe4f59525f1adf8a4db11c6e81439ca81