[INFO] cloning repository https://github.com/CAD97/pointer-utils
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CAD97/pointer-utils" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCAD97%2Fpointer-utils", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCAD97%2Fpointer-utils'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 26c260e4c8894bff3aa80d3f7d6931e15e5bbb06
[INFO] checking CAD97/pointer-utils against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCAD97%2Fpointer-utils" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CAD97/pointer-utils on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CAD97/pointer-utils
[INFO] finished tweaking git repo https://github.com/CAD97/pointer-utils
[INFO] tweaked toml for git repo https://github.com/CAD97/pointer-utils written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/CAD97/pointer-utils 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded erasable v1.2.1
[INFO] [stderr]   Downloaded slice-dst v1.5.1
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4dbda1e70276dbdbde8fbe33b421d348ffaff1c29ce291a354e3e8df223ca68
[INFO] running `Command { std: "docker" "start" "-a" "b4dbda1e70276dbdbde8fbe33b421d348ffaff1c29ce291a354e3e8df223ca68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4dbda1e70276dbdbde8fbe33b421d348ffaff1c29ce291a354e3e8df223ca68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4dbda1e70276dbdbde8fbe33b421d348ffaff1c29ce291a354e3e8df223ca68", kill_on_drop: false }`
[INFO] [stdout] b4dbda1e70276dbdbde8fbe33b421d348ffaff1c29ce291a354e3e8df223ca68
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 837a38f5bfd168a8669104734f054dbc25a86bd8f49c937cc1a2f86eeeab89c7
[INFO] running `Command { std: "docker" "start" "-a" "837a38f5bfd168a8669104734f054dbc25a86bd8f49c937cc1a2f86eeeab89c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling erasable v1.2.1 (/opt/rustwide/workdir/crates/erasable)
[INFO] [stderr]    Compiling slice-dst v1.5.1 (/opt/rustwide/workdir/crates/slice-dst)
[INFO] [stderr]    Compiling ptr-union v2.2.2 (/opt/rustwide/workdir/crates/ptr-union)
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]     Checking rc-borrow v1.4.0 (/opt/rustwide/workdir/crates/rc-borrow)
[INFO] [stderr]     Checking rc-box v1.2.0 (/opt/rustwide/workdir/crates/rc-box)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> crates/slice-dst/tests/leak.rs:75:10
[INFO] [stdout]    |
[INFO] [stdout] 75 | struct S(u8);
[INFO] [stdout]    |        - ^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 75 | struct S(());
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> crates/ptr-union/tests/smoke.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct BigA([u128; 16]);
[INFO] [stdout]    |        ---- ^^^^^^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BigA` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct BigA(());
[INFO] [stdout]    |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> crates/ptr-union/tests/smoke.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct BigB([u128; 16]);
[INFO] [stdout]    |        ---- ^^^^^^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BigB` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct BigB(());
[INFO] [stdout]    |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> crates/ptr-union/tests/smoke.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct BigC([u128; 16]);
[INFO] [stdout]    |        ---- ^^^^^^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BigC` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct BigC(());
[INFO] [stdout]    |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> crates/ptr-union/tests/smoke.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct BigD([u128; 16]);
[INFO] [stdout]    |        ---- ^^^^^^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BigD` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct BigD(());
[INFO] [stdout]    |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> crates/ptr-union/tests/smoke.rs:48:30
[INFO] [stdout]    |
[INFO] [stdout] 48 |     a.with_a(|a: &Box<BigA>| drop(dbg!(a))).unwrap();
[INFO] [stdout]    |                              ^^^^^-------^
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   argument has type `&Box<BigA>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> crates/ptr-union/tests/smoke.rs:49:30
[INFO] [stdout]    |
[INFO] [stdout] 49 |     b.with_b(|b: &Box<BigB>| drop(dbg!(b))).unwrap();
[INFO] [stdout]    |                              ^^^^^-------^
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   argument has type `&Box<BigB>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> crates/ptr-union/tests/smoke.rs:65:30
[INFO] [stdout]    |
[INFO] [stdout] 65 |     a.with_a(|a: &Box<BigA>| drop(dbg!(a))).unwrap();
[INFO] [stdout]    |                              ^^^^^-------^
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   argument has type `&Box<BigA>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> crates/ptr-union/tests/smoke.rs:66:30
[INFO] [stdout]    |
[INFO] [stdout] 66 |     b.with_b(|b: &Box<BigB>| drop(dbg!(b))).unwrap();
[INFO] [stdout]    |                              ^^^^^-------^
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   argument has type `&Box<BigB>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> crates/ptr-union/tests/smoke.rs:67:30
[INFO] [stdout]    |
[INFO] [stdout] 67 |     c.with_c(|c: &Box<BigC>| drop(dbg!(c))).unwrap();
[INFO] [stdout]    |                              ^^^^^-------^
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   argument has type `&Box<BigC>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> crates/ptr-union/tests/smoke.rs:87:30
[INFO] [stdout]    |
[INFO] [stdout] 87 |     a.with_a(|a: &Box<BigA>| drop(dbg!(a))).unwrap();
[INFO] [stdout]    |                              ^^^^^-------^
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   argument has type `&Box<BigA>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> crates/ptr-union/tests/smoke.rs:88:30
[INFO] [stdout]    |
[INFO] [stdout] 88 |     b.with_b(|b: &Box<BigB>| drop(dbg!(b))).unwrap();
[INFO] [stdout]    |                              ^^^^^-------^
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   argument has type `&Box<BigB>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> crates/ptr-union/tests/smoke.rs:89:30
[INFO] [stdout]    |
[INFO] [stdout] 89 |     c.with_c(|c: &Box<BigC>| drop(dbg!(c))).unwrap();
[INFO] [stdout]    |                              ^^^^^-------^
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   argument has type `&Box<BigC>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> crates/ptr-union/tests/smoke.rs:90:30
[INFO] [stdout]    |
[INFO] [stdout] 90 |     d.with_d(|d: &Box<BigD>| drop(dbg!(d))).unwrap();
[INFO] [stdout]    |                              ^^^^^-------^
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   argument has type `&Box<BigD>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "837a38f5bfd168a8669104734f054dbc25a86bd8f49c937cc1a2f86eeeab89c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "837a38f5bfd168a8669104734f054dbc25a86bd8f49c937cc1a2f86eeeab89c7", kill_on_drop: false }`
[INFO] [stdout] 837a38f5bfd168a8669104734f054dbc25a86bd8f49c937cc1a2f86eeeab89c7
[INFO] checking CAD97/pointer-utils against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCAD97%2Fpointer-utils" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CAD97/pointer-utils on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CAD97/pointer-utils
[INFO] finished tweaking git repo https://github.com/CAD97/pointer-utils
[INFO] tweaked toml for git repo https://github.com/CAD97/pointer-utils written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/CAD97/pointer-utils 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e4e4a3473e26efb205f9cb8fd6bc799d360b02e1922e71ebd8ab5294e33d391
[INFO] running `Command { std: "docker" "start" "-a" "2e4e4a3473e26efb205f9cb8fd6bc799d360b02e1922e71ebd8ab5294e33d391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e4e4a3473e26efb205f9cb8fd6bc799d360b02e1922e71ebd8ab5294e33d391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e4e4a3473e26efb205f9cb8fd6bc799d360b02e1922e71ebd8ab5294e33d391", kill_on_drop: false }`
[INFO] [stdout] 2e4e4a3473e26efb205f9cb8fd6bc799d360b02e1922e71ebd8ab5294e33d391
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8838a794f09723389628ed0ac368eebb76dc1428c090a295806b7d545baa34b
[INFO] running `Command { std: "docker" "start" "-a" "f8838a794f09723389628ed0ac368eebb76dc1428c090a295806b7d545baa34b", kill_on_drop: false }`
[INFO] [stderr]    Compiling erasable v1.2.1 (/opt/rustwide/workdir/crates/erasable)
[INFO] [stderr]    Compiling slice-dst v1.5.1 (/opt/rustwide/workdir/crates/slice-dst)
[INFO] [stderr]    Compiling ptr-union v2.2.2 (/opt/rustwide/workdir/crates/ptr-union)
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]     Checking rc-borrow v1.4.0 (/opt/rustwide/workdir/crates/rc-borrow)
[INFO] [stderr]     Checking rc-box v1.2.0 (/opt/rustwide/workdir/crates/rc-box)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> crates/slice-dst/tests/leak.rs:75:10
[INFO] [stdout]    |
[INFO] [stdout] 75 | struct S(u8);
[INFO] [stdout]    |        - ^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 75 | struct S(());
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> crates/ptr-union/tests/smoke.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct BigA([u128; 16]);
[INFO] [stdout]    |        ---- ^^^^^^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BigA` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct BigA(());
[INFO] [stdout]    |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> crates/ptr-union/tests/smoke.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct BigB([u128; 16]);
[INFO] [stdout]    |        ---- ^^^^^^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BigB` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct BigB(());
[INFO] [stdout]    |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> crates/ptr-union/tests/smoke.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct BigC([u128; 16]);
[INFO] [stdout]    |        ---- ^^^^^^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BigC` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct BigC(());
[INFO] [stdout]    |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> crates/ptr-union/tests/smoke.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct BigD([u128; 16]);
[INFO] [stdout]    |        ---- ^^^^^^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BigD` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct BigD(());
[INFO] [stdout]    |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> crates/ptr-union/tests/smoke.rs:48:30
[INFO] [stdout]    |
[INFO] [stdout] 48 |     a.with_a(|a: &Box<BigA>| drop(dbg!(a))).unwrap();
[INFO] [stdout]    |                              ^^^^^-------^
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   argument has type `&Box<BigA>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> crates/ptr-union/tests/smoke.rs:49:30
[INFO] [stdout]    |
[INFO] [stdout] 49 |     b.with_b(|b: &Box<BigB>| drop(dbg!(b))).unwrap();
[INFO] [stdout]    |                              ^^^^^-------^
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   argument has type `&Box<BigB>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> crates/ptr-union/tests/smoke.rs:65:30
[INFO] [stdout]    |
[INFO] [stdout] 65 |     a.with_a(|a: &Box<BigA>| drop(dbg!(a))).unwrap();
[INFO] [stdout]    |                              ^^^^^-------^
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   argument has type `&Box<BigA>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> crates/ptr-union/tests/smoke.rs:66:30
[INFO] [stdout]    |
[INFO] [stdout] 66 |     b.with_b(|b: &Box<BigB>| drop(dbg!(b))).unwrap();
[INFO] [stdout]    |                              ^^^^^-------^
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   argument has type `&Box<BigB>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> crates/ptr-union/tests/smoke.rs:67:30
[INFO] [stdout]    |
[INFO] [stdout] 67 |     c.with_c(|c: &Box<BigC>| drop(dbg!(c))).unwrap();
[INFO] [stdout]    |                              ^^^^^-------^
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   argument has type `&Box<BigC>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> crates/ptr-union/tests/smoke.rs:87:30
[INFO] [stdout]    |
[INFO] [stdout] 87 |     a.with_a(|a: &Box<BigA>| drop(dbg!(a))).unwrap();
[INFO] [stdout]    |                              ^^^^^-------^
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   argument has type `&Box<BigA>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> crates/ptr-union/tests/smoke.rs:88:30
[INFO] [stdout]    |
[INFO] [stdout] 88 |     b.with_b(|b: &Box<BigB>| drop(dbg!(b))).unwrap();
[INFO] [stdout]    |                              ^^^^^-------^
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   argument has type `&Box<BigB>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> crates/ptr-union/tests/smoke.rs:89:30
[INFO] [stdout]    |
[INFO] [stdout] 89 |     c.with_c(|c: &Box<BigC>| drop(dbg!(c))).unwrap();
[INFO] [stdout]    |                              ^^^^^-------^
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   argument has type `&Box<BigC>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> crates/ptr-union/tests/smoke.rs:90:30
[INFO] [stdout]    |
[INFO] [stdout] 90 |     d.with_d(|d: &Box<BigD>| drop(dbg!(d))).unwrap();
[INFO] [stdout]    |                              ^^^^^-------^
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   argument has type `&Box<BigD>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "f8838a794f09723389628ed0ac368eebb76dc1428c090a295806b7d545baa34b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8838a794f09723389628ed0ac368eebb76dc1428c090a295806b7d545baa34b", kill_on_drop: false }`
[INFO] [stdout] f8838a794f09723389628ed0ac368eebb76dc1428c090a295806b7d545baa34b