[INFO] fetching crate take_mut 0.2.2...
[INFO] building take_mut-0.2.2 against try#d5c88c22807925c189328ef9d923c5d2b11a95b8+rustflags=-Zprofile-closures for pr-87066-3
[INFO] extracting crate take_mut 0.2.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate take_mut 0.2.2 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate take_mut 0.2.2
[INFO] finished tweaking crates.io crate take_mut 0.2.2
[INFO] tweaked toml for crates.io crate take_mut 0.2.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c09feebb994a49b4e0b581c7b43f13fdfa8129e92be45ee1e6469065decb85e1
[INFO] running `Command { std: "docker" "start" "-a" "c09feebb994a49b4e0b581c7b43f13fdfa8129e92be45ee1e6469065decb85e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c09feebb994a49b4e0b581c7b43f13fdfa8129e92be45ee1e6469065decb85e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c09feebb994a49b4e0b581c7b43f13fdfa8129e92be45ee1e6469065decb85e1", kill_on_drop: false }`
[INFO] [stdout] c09feebb994a49b4e0b581c7b43f13fdfa8129e92be45ee1e6469065decb85e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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 -Zprofile-closures" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f18a9da9dd9fb650e094fe7803e7181646c793c315a7a249568737423413fffe
[INFO] running `Command { std: "docker" "start" "-a" "f18a9da9dd9fb650e094fe7803e7181646c793c315a7a249568737423413fffe", kill_on_drop: false }`
[INFO] [stderr]    Compiling take_mut v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "f18a9da9dd9fb650e094fe7803e7181646c793c315a7a249568737423413fffe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f18a9da9dd9fb650e094fe7803e7181646c793c315a7a249568737423413fffe", kill_on_drop: false }`
[INFO] [stdout] f18a9da9dd9fb650e094fe7803e7181646c793c315a7a249568737423413fffe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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 -Zprofile-closures" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06a037dfee3b66ca3498e546e2473cc3d96831b3d88e8e699bdba7e48b7bf524
[INFO] running `Command { std: "docker" "start" "-a" "06a037dfee3b66ca3498e546e2473cc3d96831b3d88e8e699bdba7e48b7bf524", kill_on_drop: false }`
[INFO] [stderr]    Compiling take_mut v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/lib.rs:46:20
[INFO] [stdout]    |
[INFO] [stdout] 46 |     enum Foo {A, B};
[INFO] [stdout]    |                    ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:105:20
[INFO] [stdout]     |
[INFO] [stdout] 105 |     enum Foo {A, B};
[INFO] [stdout]     |                    ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:125:23
[INFO] [stdout]     |
[INFO] [stdout] 125 |     enum Foo {A, B, C};
[INFO] [stdout]     |                       ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 140 |             panic!("panic");
[INFO] [stdout]     |             ---------------- any code following this expression is unreachable
[INFO] [stdout] 141 |             Foo::B
[INFO] [stdout]     |             ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/scoped.rs:153:14
[INFO] [stdout]     |
[INFO] [stdout] 153 |         let (a, a_hole) = scope.take(&mut bar.a);
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/scoped.rs:154:14
[INFO] [stdout]     |
[INFO] [stdout] 154 |         let (b, b_hole) = scope.take(&mut bar.b);
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/scoped.rs:170:18
[INFO] [stdout]     |
[INFO] [stdout] 170 |             let (t, hole) = scope.take_or_recover(&mut foo, || Foo);
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hole`
[INFO] [stdout]    --> src/scoped.rs:170:21
[INFO] [stdout]     |
[INFO] [stdout] 170 |             let (t, hole) = scope.take_or_recover(&mut foo, || Foo);
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_hole`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: take_mut, (be1009af016f9527, 7b3535aa9fe83948), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: take_mut, (4c162b77e1aec6c4, f8ef41702c9f1417), 16, 16
[INFO] [stderr] SG_CR_Eslkdjf: take_mut, (4a2c42826a8b3932, cef032fcc81f53dd), 8, 16
[INFO] [stderr] SG_CR_Eslkdjf: take_mut, (199dd5b87b5cc9b, 202d97b9e1991fc8), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: take_mut, (fc4c657f0b8f98e1, d90877142dddbbdc), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: take_mut, (567784573f0c94c5, 6ec6cd2087b39e2f), 16, 16
[INFO] [stderr] SG_CR_Eslkdjf: take_mut, (89c16e0a86a0a7c7, 9af17f90b2496d5a), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: take_mut, (11b348412940d35, 2864eac5b061a0ff), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: take_mut, (c535524b5092650b, 53ada8801b04c0e7), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: take_mut, (7b03d4ee1c543813, c4eb5d0f21feabc6), 1, 1
[INFO] [stderr] SG_CR_Eslkdjf: take_mut, (ee32e67ad1f36721, ecd920c35cca0fa), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: take_mut, (6f7c2104370cdbcf, d93949118ecfeaa2), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: take_mut, (a67300fb86a379a1, 3ff8a2dcb4fd9f04), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: take_mut, (22593d76b8377a74, fb93f840ff863934), 1, 1
[INFO] [stderr] SG_CR_Eslkdjf: take_mut, (4a22bde8bb888b53, 89ba11f16b8cf75f), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: take_mut, (be74af3cd683182f, 9883322386f56c87), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: take_mut, (dbb95492a09b7ba0, 9774fce2d20f6c58), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: take_mut, (937bdbcb75746345, 7033d8e58393038e), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: take_mut, (261c93a69826df53, 8ebfef55ebd1b41f), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: take_mut, (77380521fe246020, f426b1eb42d7c93a), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: take_mut, (4b7eba4231c779f, 9365009d62d005b1), 1, 1
[INFO] [stderr] SG_CR_Eslkdjf: take_mut, (80f7af5a7dc18841, de8c75933fd06c81), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: take_mut, (b354cc3686330472, 39f02961216ee507), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: take_mut, (25bf87c4c77b7b83, d112d4d69f96d372), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: take_mut, (e5f05140a53ace86, 96a47605c981cc12), 0, 0
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "06a037dfee3b66ca3498e546e2473cc3d96831b3d88e8e699bdba7e48b7bf524", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06a037dfee3b66ca3498e546e2473cc3d96831b3d88e8e699bdba7e48b7bf524", kill_on_drop: false }`
[INFO] [stdout] 06a037dfee3b66ca3498e546e2473cc3d96831b3d88e8e699bdba7e48b7bf524