[INFO] fetching crate scope-cell 0.1.2...
[INFO] testing scope-cell-0.1.2 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate scope-cell 0.1.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate scope-cell 0.1.2
[INFO] finished tweaking crates.io crate scope-cell 0.1.2
[INFO] tweaked toml for crates.io crate scope-cell 0.1.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate scope-cell 0.1.2 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52f466f129e79e0b3140804c1add9f94f53014c33fe1defe8b0243d3995953a3
[INFO] running `Command { std: "docker" "start" "-a" "52f466f129e79e0b3140804c1add9f94f53014c33fe1defe8b0243d3995953a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52f466f129e79e0b3140804c1add9f94f53014c33fe1defe8b0243d3995953a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52f466f129e79e0b3140804c1add9f94f53014c33fe1defe8b0243d3995953a3", kill_on_drop: false }`
[INFO] [stdout] 52f466f129e79e0b3140804c1add9f94f53014c33fe1defe8b0243d3995953a3
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1423703f7524cf711155d9323ca5a07e49a7f6d530d77eb27c1062407d226ae1
[INFO] running `Command { std: "docker" "start" "-a" "1423703f7524cf711155d9323ca5a07e49a7f6d530d77eb27c1062407d226ae1", kill_on_drop: false }`
[INFO] [stderr]    Compiling scope-cell v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "1423703f7524cf711155d9323ca5a07e49a7f6d530d77eb27c1062407d226ae1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1423703f7524cf711155d9323ca5a07e49a7f6d530d77eb27c1062407d226ae1", kill_on_drop: false }`
[INFO] [stdout] 1423703f7524cf711155d9323ca5a07e49a7f6d530d77eb27c1062407d226ae1
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0588284ee46ca6f2ab954fa738a3114d1efb3cccb68527c1b8540748f2dcfe1e
[INFO] running `Command { std: "docker" "start" "-a" "0588284ee46ca6f2ab954fa738a3114d1efb3cccb68527c1b8540748f2dcfe1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling scope-cell v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:106:17
[INFO] [stdout]     |
[INFO] [stdout] 106 |             let mut scope = ScopeCell::new(&data);
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |             let mut scope = ScopeCell::new(&data);
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:156:17
[INFO] [stdout]     |
[INFO] [stdout] 156 |             let mut scope = ScopeCell::new(&data);
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:167:17
[INFO] [stdout]     |
[INFO] [stdout] 167 |             let mut Scope = ScopeCell::new(&data);
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:178:17
[INFO] [stdout]     |
[INFO] [stdout] 178 |             let mut Scope = ScopeCell::new(&data);
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:189:17
[INFO] [stdout]     |
[INFO] [stdout] 189 |             let mut Scope = ScopeCell::new(&data);
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:190:17
[INFO] [stdout]     |
[INFO] [stdout] 190 |             let mut borrowed = Scope.get_mut();
[INFO] [stdout]     |                 ----^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:204:17
[INFO] [stdout]     |
[INFO] [stdout] 204 |             let mut scope1 = ScopeCell::new(&data1);
[INFO] [stdout]     |                 ----^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:205:17
[INFO] [stdout]     |
[INFO] [stdout] 205 |             let mut scope2 = ScopeCell::new(&data2);
[INFO] [stdout]     |                 ----^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scope`
[INFO] [stdout]    --> src/lib.rs:229:17
[INFO] [stdout]     |
[INFO] [stdout] 229 |             let scope = ScopeCell::new(&data);
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_scope`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:239:17
[INFO] [stdout]     |
[INFO] [stdout] 239 |             let mut scope = ScopeCell::new(&data);
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:266:17
[INFO] [stdout]     |
[INFO] [stdout] 266 |             let mut scope = ScopeCell::new(&data);
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:270:17
[INFO] [stdout]     |
[INFO] [stdout] 270 |             let mut borrowed_mut = scope.get_mut(); // Mutable borrow
[INFO] [stdout]     |                 ----^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:282:17
[INFO] [stdout]     |
[INFO] [stdout] 282 |             let mut outer_scope = ScopeCell::new(&data1);
[INFO] [stdout]     |                 ----^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:283:17
[INFO] [stdout]     |
[INFO] [stdout] 283 |             let mut inner_scope = ScopeCell::new(&data2);
[INFO] [stdout]     |                 ----^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Scope` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:167:21
[INFO] [stdout]     |
[INFO] [stdout] 167 |             let mut Scope = ScopeCell::new(&data);
[INFO] [stdout]     |                     ^^^^^ help: convert the identifier to snake case (notice the capitalization): `scope`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Scope` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:178:21
[INFO] [stdout]     |
[INFO] [stdout] 178 |             let mut Scope = ScopeCell::new(&data);
[INFO] [stdout]     |                     ^^^^^ help: convert the identifier to snake case (notice the capitalization): `scope`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Scope` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:189:21
[INFO] [stdout]     |
[INFO] [stdout] 189 |             let mut Scope = ScopeCell::new(&data);
[INFO] [stdout]     |                     ^^^^^ help: convert the identifier to snake case (notice the capitalization): `scope`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "0588284ee46ca6f2ab954fa738a3114d1efb3cccb68527c1b8540748f2dcfe1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0588284ee46ca6f2ab954fa738a3114d1efb3cccb68527c1b8540748f2dcfe1e", kill_on_drop: false }`
[INFO] [stdout] 0588284ee46ca6f2ab954fa738a3114d1efb3cccb68527c1b8540748f2dcfe1e
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a34d7e9e1b45f88f4ff872a944a17827c57a9f3e430e1f0ef599cb1c0fe5c259
[INFO] running `Command { std: "docker" "start" "-a" "a34d7e9e1b45f88f4ff872a944a17827c57a9f3e430e1f0ef599cb1c0fe5c259", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:106:17
[INFO] [stderr]     |
[INFO] [stderr] 106 |             let mut scope = ScopeCell::new(&data);
[INFO] [stderr]     |                 ----^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:131:17
[INFO] [stderr]     |
[INFO] [stderr] 131 |             let mut scope = ScopeCell::new(&data);
[INFO] [stderr]     |                 ----^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:156:17
[INFO] [stderr]     |
[INFO] [stderr] 156 |             let mut scope = ScopeCell::new(&data);
[INFO] [stderr]     |                 ----^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:167:17
[INFO] [stderr]     |
[INFO] [stderr] 167 |             let mut Scope = ScopeCell::new(&data);
[INFO] [stderr]     |                 ----^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:178:17
[INFO] [stderr]     |
[INFO] [stderr] 178 |             let mut Scope = ScopeCell::new(&data);
[INFO] [stderr]     |                 ----^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:189:17
[INFO] [stderr]     |
[INFO] [stderr] 189 |             let mut Scope = ScopeCell::new(&data);
[INFO] [stderr]     |                 ----^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:190:17
[INFO] [stderr]     |
[INFO] [stderr] 190 |             let mut borrowed = Scope.get_mut();
[INFO] [stderr]     |                 ----^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:204:17
[INFO] [stderr]     |
[INFO] [stderr] 204 |             let mut scope1 = ScopeCell::new(&data1);
[INFO] [stderr]     |                 ----^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:205:17
[INFO] [stderr]     |
[INFO] [stderr] 205 |             let mut scope2 = ScopeCell::new(&data2);
[INFO] [stderr]     |                 ----^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scope`
[INFO] [stderr]    --> src/lib.rs:229:17
[INFO] [stderr]     |
[INFO] [stderr] 229 |             let scope = ScopeCell::new(&data);
[INFO] [stderr]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_scope`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:239:17
[INFO] [stderr]     |
[INFO] [stderr] 239 |             let mut scope = ScopeCell::new(&data);
[INFO] [stderr]     |                 ----^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:266:17
[INFO] [stderr]     |
[INFO] [stderr] 266 |             let mut scope = ScopeCell::new(&data);
[INFO] [stderr]     |                 ----^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:270:17
[INFO] [stderr]     |
[INFO] [stderr] 270 |             let mut borrowed_mut = scope.get_mut(); // Mutable borrow
[INFO] [stderr]     |                 ----^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:282:17
[INFO] [stderr]     |
[INFO] [stderr] 282 |             let mut outer_scope = ScopeCell::new(&data1);
[INFO] [stderr]     |                 ----^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:283:17
[INFO] [stderr]     |
[INFO] [stderr] 283 |             let mut inner_scope = ScopeCell::new(&data2);
[INFO] [stderr]     |                 ----^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] running 15 tests
[INFO] [stderr] warning: variable `Scope` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:167:21
[INFO] [stderr]     |
[INFO] [stderr] 167 |             let mut Scope = ScopeCell::new(&data);
[INFO] [stderr]     |                     ^^^^^ help: convert the identifier to snake case (notice the capitalization): `scope`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Scope` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:178:21
[INFO] [stderr]     |
[INFO] [stderr] 178 |             let mut Scope = ScopeCell::new(&data);
[INFO] [stderr]     |                     ^^^^^ help: convert the identifier to snake case (notice the capitalization): `scope`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Scope` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:189:21
[INFO] [stderr]     |
[INFO] [stderr] 189 |             let mut Scope = ScopeCell::new(&data);
[INFO] [stderr]     |                     ^^^^^ help: convert the identifier to snake case (notice the capitalization): `scope`
[INFO] [stderr] 
[INFO] [stderr] warning: `scope-cell` (lib test) generated 18 warnings (run `cargo fix --lib -p scope-cell --tests` to apply 15 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/scope_cell-488ef47116394c3a)
[INFO] [stdout] test tests::test_basic_revert ... ok
[INFO] [stdout] test tests::test_into_inner_no_revert ... ok
[INFO] [stdout] test tests::test_multiple_reverts ... ok
[INFO] [stdout] test tests::test_multiple_scope_cells ... ok
[INFO] [stdout] test tests::test_nested_borrows ... ok
[INFO] [stdout] test tests::test_nested_scope_cell ... ok
[INFO] [stdout] test tests::test_no_mutation_revert ... ok
[INFO] [stdout] test tests::test_multiple_borrow_same_scope ... ok
[INFO] [stdout] test tests::test_revert_mid_scope ... ok
[INFO] [stdout] test tests::test_needs_drop_after_into_inner ... ok
[INFO] [stdout] test tests::test_with_copy_type ... ok
[INFO] [stdout] test tests::test_with_needs_drop_type ... ok
[INFO] [stdout] test tests::test_borrow_and_mut_borrow ... ok
[INFO] [stdout] test tests::test_with_string_mutation ... ok
[INFO] [stdout] test tests::test_mutation_after_revert ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests scope_cell
[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" "a34d7e9e1b45f88f4ff872a944a17827c57a9f3e430e1f0ef599cb1c0fe5c259", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a34d7e9e1b45f88f4ff872a944a17827c57a9f3e430e1f0ef599cb1c0fe5c259", kill_on_drop: false }`
[INFO] [stdout] a34d7e9e1b45f88f4ff872a944a17827c57a9f3e430e1f0ef599cb1c0fe5c259
