[INFO] fetching crate implicit-fn 0.1.0...
[INFO] testing implicit-fn-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate implicit-fn 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate implicit-fn 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate implicit-fn 0.1.0
[INFO] tweaked toml for crates.io crate implicit-fn 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate implicit-fn 0.1.0 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 implicit-fn 0.1.0 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] 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] f35c12851e49cecf43cdbcc92d179e6a3848d489c7a51bf36dbad9472f978507
[INFO] running `Command { std: "docker" "start" "-a" "f35c12851e49cecf43cdbcc92d179e6a3848d489c7a51bf36dbad9472f978507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f35c12851e49cecf43cdbcc92d179e6a3848d489c7a51bf36dbad9472f978507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f35c12851e49cecf43cdbcc92d179e6a3848d489c7a51bf36dbad9472f978507", kill_on_drop: false }`
[INFO] [stdout] f35c12851e49cecf43cdbcc92d179e6a3848d489c7a51bf36dbad9472f978507
[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] 2c5f530486894c0c40ee865c95e02753910753c297b8487a66c2a02aaad8a345
[INFO] running `Command { std: "docker" "start" "-a" "2c5f530486894c0c40ee865c95e02753910753c297b8487a66c2a02aaad8a345", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling implicit-fn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.46s
[INFO] running `Command { std: "docker" "inspect" "2c5f530486894c0c40ee865c95e02753910753c297b8487a66c2a02aaad8a345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c5f530486894c0c40ee865c95e02753910753c297b8487a66c2a02aaad8a345", kill_on_drop: false }`
[INFO] [stdout] 2c5f530486894c0c40ee865c95e02753910753c297b8487a66c2a02aaad8a345
[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] c5bf5db1c29a123425b467dddbd4fddb5a0553b47da5637e33f5ca2be9275fd4
[INFO] running `Command { std: "docker" "start" "-a" "c5bf5db1c29a123425b467dddbd4fddb5a0553b47da5637e33f5ca2be9275fd4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling implicit-fn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `array::<impl [T; N]>::map` that must be used
[INFO] [stdout]  --> tests/statement-macro.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | /     [true, true].map({
[INFO] [stdout] 5 | |         assert!(_);
[INFO] [stdout] 6 | |     });
[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] 4 |     let _ = [true, true].map({
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.51s
[INFO] running `Command { std: "docker" "inspect" "c5bf5db1c29a123425b467dddbd4fddb5a0553b47da5637e33f5ca2be9275fd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5bf5db1c29a123425b467dddbd4fddb5a0553b47da5637e33f5ca2be9275fd4", kill_on_drop: false }`
[INFO] [stdout] c5bf5db1c29a123425b467dddbd4fddb5a0553b47da5637e33f5ca2be9275fd4
[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", kill_on_drop: false }`
[INFO] [stdout] d0ce13bcb5163bd7b121df09bfa10446217c85567ce9432368c278a1fb35b22b
[INFO] running `Command { std: "docker" "start" "-a" "d0ce13bcb5163bd7b121df09bfa10446217c85567ce9432368c278a1fb35b22b", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `array::<impl [T; N]>::map` that must be used
[INFO] [stderr]  --> tests/statement-macro.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | /     [true, true].map({
[INFO] [stderr] 5 | |         assert!(_);
[INFO] [stderr] 6 | |     });
[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] 4 |     let _ = [true, true].map({
[INFO] [stderr]   |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `implicit-fn` (test "statement-macro") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/implicit_fn-e8615148708cdee6)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::top_level_underscores ... ok
[INFO] [stdout] test tests::assignee_expression_underscores ... ok
[INFO] [stdout] test tests::macros ... ok
[INFO] [stdout] test tests::avoid_identity ... ok
[INFO] [stdout] test tests::infer_underscores ... ok
[INFO] [stdout] test tests::assignment ... ok
[INFO] [stdout] test tests::identity ... ok
[INFO] [stdout] test tests::transparent ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/statement-macro.rs (/opt/rustwide/target/debug/deps/statement_macro-410dadc64fc307a3)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test statement_macro ... 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] [stderr]    Doc-tests implicit_fn
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - (line 54) ... ok
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] test src/lib.rs - (line 69) ... ok
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.86s; merged doctests compilation took 0.85s
[INFO] running `Command { std: "docker" "inspect" "d0ce13bcb5163bd7b121df09bfa10446217c85567ce9432368c278a1fb35b22b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0ce13bcb5163bd7b121df09bfa10446217c85567ce9432368c278a1fb35b22b", kill_on_drop: false }`
[INFO] [stdout] d0ce13bcb5163bd7b121df09bfa10446217c85567ce9432368c278a1fb35b22b