[INFO] cloning repository https://github.com/theCodedMike/rust-quiz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/theCodedMike/rust-quiz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtheCodedMike%2Frust-quiz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtheCodedMike%2Frust-quiz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62b5d8f7b96ef8e415a969ea6e550847f95cbf14
[INFO] testing theCodedMike/rust-quiz against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtheCodedMike%2Frust-quiz" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/theCodedMike/rust-quiz
[INFO] finished tweaking git repo https://github.com/theCodedMike/rust-quiz
[INFO] tweaked toml for git repo https://github.com/theCodedMike/rust-quiz written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/theCodedMike/rust-quiz on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/theCodedMike/rust-quiz 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9b390126d40a063487c1c6f97a44f0b4400c1fb43f4be9898c7f9c9545f48b9
[INFO] running `Command { std: "docker" "start" "-a" "f9b390126d40a063487c1c6f97a44f0b4400c1fb43f4be9898c7f9c9545f48b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9b390126d40a063487c1c6f97a44f0b4400c1fb43f4be9898c7f9c9545f48b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9b390126d40a063487c1c6f97a44f0b4400c1fb43f4be9898c7f9c9545f48b9", kill_on_drop: false }`
[INFO] [stdout] f9b390126d40a063487c1c6f97a44f0b4400c1fb43f4be9898c7f9c9545f48b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 645563607c41e71c065d75e95f48d3c952fa2aad7c47f7168e7da1369659de33
[INFO] running `Command { std: "docker" "start" "-a" "645563607c41e71c065d75e95f48d3c952fa2aad7c47f7168e7da1369659de33", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-quiz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/bin/quiz_2/rust_quiz_2.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let f = || (() & S(1));
[INFO] [stdout]    |                ^         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 15 -     let f = || (() & S(1));
[INFO] [stdout] 15 +     let f = || () & S(1);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: taking a mutable reference to a `const` item
[INFO] [stdout]   --> src/bin/quiz_3/rust_quiz_3.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let v = &mut S;
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]    = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stdout] note: `const` item defined here
[INFO] [stdout]   --> src/bin/quiz_3/rust_quiz_3.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout]  8 | const S: S = S { x: 2 };
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(const_item_mutation)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attempting to modify a `const` item
[INFO] [stdout]   --> src/bin/quiz_3/rust_quiz_3.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     S.x += 1;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: each usage of a `const` item creates a new temporary; the original `const` item will not be modified
[INFO] [stdout] note: `const` item defined here
[INFO] [stdout]   --> src/bin/quiz_3/rust_quiz_3.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout]  8 | const S: S = S { x: 2 };
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "645563607c41e71c065d75e95f48d3c952fa2aad7c47f7168e7da1369659de33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "645563607c41e71c065d75e95f48d3c952fa2aad7c47f7168e7da1369659de33", kill_on_drop: false }`
[INFO] [stdout] 645563607c41e71c065d75e95f48d3c952fa2aad7c47f7168e7da1369659de33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbb3c5d6f13d0c2589b8c0e89ab9c047087a8253e442b276a1a30595b0ef24d9
[INFO] running `Command { std: "docker" "start" "-a" "cbb3c5d6f13d0c2589b8c0e89ab9c047087a8253e442b276a1a30595b0ef24d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-quiz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/bin/quiz_2/rust_quiz_2.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let f = || (() & S(1));
[INFO] [stdout]    |                ^         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 15 -     let f = || (() & S(1));
[INFO] [stdout] 15 +     let f = || () & S(1);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: taking a mutable reference to a `const` item
[INFO] [stdout]   --> src/bin/quiz_3/rust_quiz_3.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let v = &mut S;
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]    = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stdout] note: `const` item defined here
[INFO] [stdout]   --> src/bin/quiz_3/rust_quiz_3.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout]  8 | const S: S = S { x: 2 };
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(const_item_mutation)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attempting to modify a `const` item
[INFO] [stdout]   --> src/bin/quiz_3/rust_quiz_3.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     S.x += 1;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: each usage of a `const` item creates a new temporary; the original `const` item will not be modified
[INFO] [stdout] note: `const` item defined here
[INFO] [stdout]   --> src/bin/quiz_3/rust_quiz_3.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout]  8 | const S: S = S { x: 2 };
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "cbb3c5d6f13d0c2589b8c0e89ab9c047087a8253e442b276a1a30595b0ef24d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbb3c5d6f13d0c2589b8c0e89ab9c047087a8253e442b276a1a30595b0ef24d9", kill_on_drop: false }`
[INFO] [stdout] cbb3c5d6f13d0c2589b8c0e89ab9c047087a8253e442b276a1a30595b0ef24d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ace033b79db539f9e7ae9f07611505c7b2bf24c06d4503d11d8af91958c4f691
[INFO] running `Command { std: "docker" "start" "-a" "ace033b79db539f9e7ae9f07611505c7b2bf24c06d4503d11d8af91958c4f691", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> src/bin/quiz_2/rust_quiz_2.rs:15:16
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let f = || (() & S(1));
[INFO] [stderr]    |                ^         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 15 -     let f = || (() & S(1));
[INFO] [stderr] 15 +     let f = || () & S(1);
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-quiz` (bin "quiz-2" test) generated 1 warning (run `cargo fix --bin "quiz-2" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: taking a mutable reference to a `const` item
[INFO] [stderr]   --> src/bin/quiz_3/rust_quiz_3.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let v = &mut S;
[INFO] [stderr]    |             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: each usage of a `const` item creates a new temporary
[INFO] [stderr]    = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stderr] note: `const` item defined here
[INFO] [stderr]   --> src/bin/quiz_3/rust_quiz_3.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr]  8 | const S: S = S { x: 2 };
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr]    = note: `#[warn(const_item_mutation)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: attempting to modify a `const` item
[INFO] [stderr]   --> src/bin/quiz_3/rust_quiz_3.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     S.x += 1;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: each usage of a `const` item creates a new temporary; the original `const` item will not be modified
[INFO] [stderr] note: `const` item defined here
[INFO] [stderr]   --> src/bin/quiz_3/rust_quiz_3.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr]  8 | const S: S = S { x: 2 };
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-quiz` (bin "quiz-3" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/main-a09490aaa0482ec1)
[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 unittests src/bin/quiz_1/rust_quiz_1.rs (/opt/rustwide/target/debug/deps/quiz_1-c030bc363392e8ab)
[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 unittests src/bin/quiz_2/rust_quiz_2.rs (/opt/rustwide/target/debug/deps/quiz_2-21922a33ea08001d)
[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 unittests src/bin/quiz_3/rust_quiz_3.rs (/opt/rustwide/target/debug/deps/quiz_3-456c3c4cd4986212)
[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 unittests src/bin/quiz_4/rust_quiz_4.rs (/opt/rustwide/target/debug/deps/quiz_4-030380a72f739bc7)
[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] running `Command { std: "docker" "inspect" "ace033b79db539f9e7ae9f07611505c7b2bf24c06d4503d11d8af91958c4f691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ace033b79db539f9e7ae9f07611505c7b2bf24c06d4503d11d8af91958c4f691", kill_on_drop: false }`
[INFO] [stdout] ace033b79db539f9e7ae9f07611505c7b2bf24c06d4503d11d8af91958c4f691