[INFO] fetching crate ifmt 0.3.3... [INFO] testing ifmt-0.3.3 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7 [INFO] extracting crate ifmt 0.3.3 into /workspace/builds/worker-4-tc1/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-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate ifmt 0.3.3 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ifmt-impl v0.3.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5ce4012f53d88be316ee582fc8247bdff3b119d755e4b0c70f16ba8bf19cd5b5 [INFO] running `Command { std: "docker" "start" "-a" "5ce4012f53d88be316ee582fc8247bdff3b119d755e4b0c70f16ba8bf19cd5b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5ce4012f53d88be316ee582fc8247bdff3b119d755e4b0c70f16ba8bf19cd5b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ce4012f53d88be316ee582fc8247bdff3b119d755e4b0c70f16ba8bf19cd5b5", kill_on_drop: false }` [INFO] [stdout] 5ce4012f53d88be316ee582fc8247bdff3b119d755e4b0c70f16ba8bf19cd5b5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8ee983277b23b40b14d47ec8617f6e7eb71ab4c315027457f12e93f6b6406e3b [INFO] running `Command { std: "docker" "start" "-a" "8ee983277b23b40b14d47ec8617f6e7eb71ab4c315027457f12e93f6b6406e3b", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.7.6 [INFO] [stderr] Compiling proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Compiling regex-syntax v0.8.8 [INFO] [stderr] Compiling lazy_static v1.5.0 [INFO] [stderr] Compiling aho-corasick v1.1.4 [INFO] [stderr] Compiling regex-automata v0.4.13 [INFO] [stderr] Compiling regex v1.12.2 [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 11.47s [INFO] running `Command { std: "docker" "inspect" "8ee983277b23b40b14d47ec8617f6e7eb71ab4c315027457f12e93f6b6406e3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ee983277b23b40b14d47ec8617f6e7eb71ab4c315027457f12e93f6b6406e3b", kill_on_drop: false }` [INFO] [stdout] 8ee983277b23b40b14d47ec8617f6e7eb71ab4c315027457f12e93f6b6406e3b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 47fd4426f22dea834638afad1788f963fe2d5cb0ab15a5bc534684a4f467115c [INFO] running `Command { std: "docker" "start" "-a" "47fd4426f22dea834638afad1788f963fe2d5cb0ab15a5bc534684a4f467115c", 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/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] [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] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.00s [INFO] running `Command { std: "docker" "inspect" "47fd4426f22dea834638afad1788f963fe2d5cb0ab15a5bc534684a4f467115c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47fd4426f22dea834638afad1788f963fe2d5cb0ab15a5bc534684a4f467115c", kill_on_drop: false }` [INFO] [stdout] 47fd4426f22dea834638afad1788f963fe2d5cb0ab15a5bc534684a4f467115c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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", kill_on_drop: false }` [INFO] [stdout] bf679e21d6e49856982be9c47579bc12b112dc1709aef380b66a54feb672030e [INFO] running `Command { std: "docker" "start" "-a" "bf679e21d6e49856982be9c47579bc12b112dc1709aef380b66a54feb672030e", kill_on_drop: false }` [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: 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: `ifmt` (test "outlittests") generated 1 warning [INFO] [stderr] warning: `ifmt` (test "inlittests") generated 1 warning [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ifmt-d97bef19e7877553) [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] [stderr] Running tests/inlittests.rs (/opt/rustwide/target/debug/deps/inlittests-6aee95d711249c30) [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test inlittests::borrow ... ok [INFO] [stdout] test inlittests::internal_chars ... ok [INFO] [stdout] test inlittests::internal_lifetimes ... ok [INFO] [stdout] test inlittests::internal_strings ... ok [INFO] [stdout] test inlittests::expr_subst ... 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::panic - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s [INFO] [stdout] [INFO] [stderr] Running tests/outlittests.rs (/opt/rustwide/target/debug/deps/outlittests-a35c8653ece04f56) [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stderr] Doc-tests ifmt [INFO] [stdout] test outlittests::borrow ... ok [INFO] [stdout] test outlittests::expr_subst ... ok [INFO] [stdout] test outlittests::internal_lifetimes ... ok [INFO] [stdout] test outlittests::write ... ok [INFO] [stdout] test outlittests::internal_chars ... ok [INFO] [stdout] test outlittests::simple_subst ... ok [INFO] [stdout] test outlittests::spec_subst ... ok [INFO] [stdout] test outlittests::no_alignment_leak ... 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 0.02s [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 0.30s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "bf679e21d6e49856982be9c47579bc12b112dc1709aef380b66a54feb672030e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf679e21d6e49856982be9c47579bc12b112dc1709aef380b66a54feb672030e", kill_on_drop: false }` [INFO] [stdout] bf679e21d6e49856982be9c47579bc12b112dc1709aef380b66a54feb672030e