[INFO] fetching crate thinbox 0.1.4...
[INFO] testing thinbox-0.1.4 against 1.54.0 for beta-1.55-1
[INFO] extracting crate thinbox 0.1.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate thinbox 0.1.4 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate thinbox 0.1.4
[INFO] finished tweaking crates.io crate thinbox 0.1.4
[INFO] tweaked toml for crates.io crate thinbox 0.1.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dce63c3c809da00369b022b4c60db22b363c41bad47f2186f88d4238d417834c
[INFO] running `Command { std: "docker" "start" "-a" "dce63c3c809da00369b022b4c60db22b363c41bad47f2186f88d4238d417834c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dce63c3c809da00369b022b4c60db22b363c41bad47f2186f88d4238d417834c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dce63c3c809da00369b022b4c60db22b363c41bad47f2186f88d4238d417834c", kill_on_drop: false }`
[INFO] [stdout] dce63c3c809da00369b022b4c60db22b363c41bad47f2186f88d4238d417834c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15707b42a3156b64e62ad6a56e2d6e42ef38ca22e9b0761085fd6913cfa2fe5e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "15707b42a3156b64e62ad6a56e2d6e42ef38ca22e9b0761085fd6913cfa2fe5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling thinbox v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![feature(raw)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(unsize)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `std::raw::TraitObject`: use pointer metadata APIs instead https://github.com/rust-lang/rust/issues/81513
[INFO] [stdout]    --> src/lib.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 119 | use std::raw::TraitObject;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `std::raw::TraitObject`: use pointer metadata APIs instead https://github.com/rust-lang/rust/issues/81513
[INFO] [stdout]    --> src/lib.rs:137:48
[INFO] [stdout]     |
[INFO] [stdout] 137 |     mem::size_of::<&mut T>() == mem::size_of::<TraitObject>()
[INFO] [stdout]     |                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `std::raw::TraitObject`: use pointer metadata APIs instead https://github.com/rust-lang/rust/issues/81513
[INFO] [stdout]    --> src/lib.rs:170:18
[INFO] [stdout]     |
[INFO] [stdout] 170 |         let ptr: TraitObject = mem::transmute_copy(&boxed);
[INFO] [stdout]     |                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `std::raw::TraitObject`: use pointer metadata APIs instead https://github.com/rust-lang/rust/issues/81513
[INFO] [stdout]    --> src/lib.rs:180:30
[INFO] [stdout]     |
[INFO] [stdout] 180 |         mem::transmute_copy(&TraitObject { vtable: *(raw as *const *mut ()), data: raw })
[INFO] [stdout]     |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated field `std::raw::TraitObject::vtable`: use pointer metadata APIs instead https://github.com/rust-lang/rust/issues/81513
[INFO] [stdout]    --> src/lib.rs:171:50
[INFO] [stdout]     |
[INFO] [stdout] 171 |         (*boxed).vtable = NonNull::new_unchecked(ptr.vtable);
[INFO] [stdout]     |                                                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated field `std::raw::TraitObject::data`: use pointer metadata APIs instead https://github.com/rust-lang/rust/issues/81513
[INFO] [stdout]    --> src/lib.rs:172:24
[INFO] [stdout]     |
[INFO] [stdout] 172 |         Self::from_raw(ptr.data)
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated field `std::raw::TraitObject::vtable`: use pointer metadata APIs instead https://github.com/rust-lang/rust/issues/81513
[INFO] [stdout]    --> src/lib.rs:180:44
[INFO] [stdout]     |
[INFO] [stdout] 180 |         mem::transmute_copy(&TraitObject { vtable: *(raw as *const *mut ()), data: raw })
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated field `std::raw::TraitObject::data`: use pointer metadata APIs instead https://github.com/rust-lang/rust/issues/81513
[INFO] [stdout]    --> src/lib.rs:180:78
[INFO] [stdout]     |
[INFO] [stdout] 180 |         mem::transmute_copy(&TraitObject { vtable: *(raw as *const *mut ()), data: raw })
[INFO] [stdout]     |                                                                              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `thinbox`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "15707b42a3156b64e62ad6a56e2d6e42ef38ca22e9b0761085fd6913cfa2fe5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15707b42a3156b64e62ad6a56e2d6e42ef38ca22e9b0761085fd6913cfa2fe5e", kill_on_drop: false }`
[INFO] [stdout] 15707b42a3156b64e62ad6a56e2d6e42ef38ca22e9b0761085fd6913cfa2fe5e
