[INFO] fetching crate complex_algebra 0.1.8...
[INFO] testing complex_algebra-0.1.8 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate complex_algebra 0.1.8 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate complex_algebra 0.1.8
[INFO] finished tweaking crates.io crate complex_algebra 0.1.8
[INFO] tweaked toml for crates.io crate complex_algebra 0.1.8 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate complex_algebra 0.1.8 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] 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-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] 1db51abb6913b64ba8608d5aecdda8009fb75c82a6c98bb1416283818523fdb6
[INFO] running `Command { std: "docker" "start" "-a" "1db51abb6913b64ba8608d5aecdda8009fb75c82a6c98bb1416283818523fdb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1db51abb6913b64ba8608d5aecdda8009fb75c82a6c98bb1416283818523fdb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1db51abb6913b64ba8608d5aecdda8009fb75c82a6c98bb1416283818523fdb6", kill_on_drop: false }`
[INFO] [stdout] 1db51abb6913b64ba8608d5aecdda8009fb75c82a6c98bb1416283818523fdb6
[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] f079b9e846b2c3f200099cb92b052dae52cd97ddad421157e55b4865a7712e86
[INFO] running `Command { std: "docker" "start" "-a" "f079b9e846b2c3f200099cb92b052dae52cd97ddad421157e55b4865a7712e86", kill_on_drop: false }`
[INFO] [stderr]    Compiling complex_algebra v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "f079b9e846b2c3f200099cb92b052dae52cd97ddad421157e55b4865a7712e86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f079b9e846b2c3f200099cb92b052dae52cd97ddad421157e55b4865a7712e86", kill_on_drop: false }`
[INFO] [stdout] f079b9e846b2c3f200099cb92b052dae52cd97ddad421157e55b4865a7712e86
[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] 88c55d16aa3650edea8bd1f655bf69be81f781ee1b72de941d0bf606e6f33c9e
[INFO] running `Command { std: "docker" "start" "-a" "88c55d16aa3650edea8bd1f655bf69be81f781ee1b72de941d0bf606e6f33c9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling complex_algebra v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of a double negation
[INFO] [stdout]   --> src/complex/neg.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 |     assert_eq!(--z, c(1.0, 2.0));
[INFO] [stdout]    |                ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the prefix `--` could be misinterpreted as a decrement operator which exists in other languages
[INFO] [stdout]    = note: use `-= 1` if you meant to decrement the value
[INFO] [stdout]    = note: `#[warn(double_negations)]` on by default
[INFO] [stdout] help: add parentheses for clarity
[INFO] [stdout]    |
[INFO] [stdout] 30 |     assert_eq!(-(-z), c(1.0, 2.0));
[INFO] [stdout]    |                 +  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "88c55d16aa3650edea8bd1f655bf69be81f781ee1b72de941d0bf606e6f33c9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88c55d16aa3650edea8bd1f655bf69be81f781ee1b72de941d0bf606e6f33c9e", kill_on_drop: false }`
[INFO] [stdout] 88c55d16aa3650edea8bd1f655bf69be81f781ee1b72de941d0bf606e6f33c9e
[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] 72e7d958b2ca9d386b498c3249b991f690d7ea279f563db6e1cbd4dff96c97c3
[INFO] running `Command { std: "docker" "start" "-a" "72e7d958b2ca9d386b498c3249b991f690d7ea279f563db6e1cbd4dff96c97c3", kill_on_drop: false }`
[INFO] [stderr] warning: use of a double negation
[INFO] [stderr]   --> src/complex/neg.rs:30:16
[INFO] [stderr]    |
[INFO] [stderr] 30 |     assert_eq!(--z, c(1.0, 2.0));
[INFO] [stderr]    |                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the prefix `--` could be misinterpreted as a decrement operator which exists in other languages
[INFO] [stderr]    = note: use `-= 1` if you meant to decrement the value
[INFO] [stderr]    = note: `#[warn(double_negations)]` on by default
[INFO] [stderr] help: add parentheses for clarity
[INFO] [stderr]    |
[INFO] [stderr] 30 |     assert_eq!(-(-z), c(1.0, 2.0));
[INFO] [stderr]    |                 +  +
[INFO] [stderr] 
[INFO] [stderr] warning: `complex_algebra` (lib test) 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/complex_algebra-970179df4f5a234c)
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test complex::add::tests::test_add_1 ... ok
[INFO] [stdout] test complex::add::tests::test_add_3 ... ok
[INFO] [stdout] test complex::add::tests::test_add_4 ... ok
[INFO] [stdout] test complex::div::tests::test_div_1 ... ok
[INFO] [stdout] test complex::div::tests::test_div_2 ... ok
[INFO] [stdout] test complex::div::tests::test_div_4 ... ok
[INFO] [stdout] test complex::div::tests::test_div_6 ... ok
[INFO] [stdout] test complex::mul::tests::test_mul_2 ... ok
[INFO] [stdout] test complex::div::tests::test_div_3 ... ok
[INFO] [stdout] test complex::div::tests::test_div_5 ... ok
[INFO] [stdout] test complex::mul::tests::test_mul_1 ... ok
[INFO] [stdout] test complex::mul::tests::test_mul_3 ... ok
[INFO] [stdout] test complex::mul::tests::test_mul_4 ... ok
[INFO] [stdout] test complex::exp::tests::test_exp ... ok
[INFO] [stdout] test complex::mul::tests::test_mul_5 ... ok
[INFO] [stdout] test complex::mul::tests::test_mul_6 ... ok
[INFO] [stdout] test complex::neg::tests::test_neg_2 ... ok
[INFO] [stdout] test complex::pow::tests::test_pow ... ok
[INFO] [stdout] test complex::sin::tests::test_exp ... ok
[INFO] [stdout] test complex::sub::tests::test_sub_1 ... ok
[INFO] [stdout] test complex::sub::tests::test_sub_3 ... ok
[INFO] [stdout] test complex::sub::tests::test_sub_5 ... ok
[INFO] [stdout] test complex::tests::test_conj ... ok
[INFO] [stdout] test complex::tests::test_r_square ... ok
[INFO] [stdout] test complex::neg::tests::test_neg_1 ... ok
[INFO] [stdout] test complex::sub::tests::test_sub_2 ... ok
[INFO] [stdout] test complex::sub::tests::test_sub_4 ... ok
[INFO] [stdout] test complex::add::tests::test_add_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests complex_algebra
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 32) ... ok
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] test src/lib.rs - re (line 49) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.29s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "72e7d958b2ca9d386b498c3249b991f690d7ea279f563db6e1cbd4dff96c97c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72e7d958b2ca9d386b498c3249b991f690d7ea279f563db6e1cbd4dff96c97c3", kill_on_drop: false }`
[INFO] [stdout] 72e7d958b2ca9d386b498c3249b991f690d7ea279f563db6e1cbd4dff96c97c3