[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
