[INFO] cloning repository https://github.com/snowmantw/risp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/snowmantw/risp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnowmantw%2Frisp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnowmantw%2Frisp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 706812c5aad9927836a02937e3e581da778ba4de
[INFO] checking snowmantw/risp against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnowmantw%2Frisp" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/snowmantw/risp on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/snowmantw/risp
[INFO] finished tweaking git repo https://github.com/snowmantw/risp
[INFO] tweaked toml for git repo https://github.com/snowmantw/risp written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/snowmantw/risp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 628feee95ed3c0c3af5cd12a08d3154cd9438e3079ab5960aaa92ede1ffe6b7d
[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" "628feee95ed3c0c3af5cd12a08d3154cd9438e3079ab5960aaa92ede1ffe6b7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "628feee95ed3c0c3af5cd12a08d3154cd9438e3079ab5960aaa92ede1ffe6b7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "628feee95ed3c0c3af5cd12a08d3154cd9438e3079ab5960aaa92ede1ffe6b7d", kill_on_drop: false }`
[INFO] [stdout] 628feee95ed3c0c3af5cd12a08d3154cd9438e3079ab5960aaa92ede1ffe6b7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc41e3b5409723edc0c9f2c54212a673bf4d50b30aa5b8ccf9b83f8472b7bf3d
[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" "fc41e3b5409723edc0c9f2c54212a673bf4d50b30aa5b8ccf9b83f8472b7bf3d", kill_on_drop: false }`
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking nodes v0.1.0 (/opt/rustwide/workdir/src/nodes)
[INFO] [stderr]     Checking thread-id v3.0.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/nodes/src/list.rs:10:30
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn transfer(&self, node: State) -> State {
[INFO] [stdout]    |                              ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/nodes/src/list.rs:10:40
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn transfer(&self, node: State) -> State {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/nodes/src/list.rs:24:30
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn transfer(&self, node: State) -> State {
[INFO] [stdout]    |                              ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/nodes/src/list.rs:24:40
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn transfer(&self, node: State) -> State {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/nodes/src/states.rs:35:30
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn transfer(&self, node: State) -> State;
[INFO] [stdout]    |                              ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/nodes/src/states.rs:35:40
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn transfer(&self, node: State) -> State;
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking aho-corasick v0.6.2
[INFO] [stdout] error[E0277]: the size for values of type `(dyn State + 'static)` cannot be known at compilation time
[INFO] [stdout]   --> src/nodes/src/list.rs:10:24
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn transfer(&self, node: State) -> State {
[INFO] [stdout]    |                        ^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Sized` is not implemented for `(dyn State + 'static)`
[INFO] [stdout]    = help: unsized fn params are gated as an unstable feature
[INFO] [stdout] help: function arguments must have a statically known size, borrowed types always have a known size
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn transfer(&self, node: &State) -> State {
[INFO] [stdout]    |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `(dyn State + 'static)` cannot be known at compilation time
[INFO] [stdout]   --> src/nodes/src/list.rs:10:40
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn transfer(&self, node: State) -> State {
[INFO] [stdout]    |                                        ^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Sized` is not implemented for `(dyn State + 'static)`
[INFO] [stdout]    = note: the return type of a function must have a statically known size
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `(dyn State + 'static)` cannot be known at compilation time
[INFO] [stdout]   --> src/nodes/src/list.rs:24:24
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn transfer(&self, node: State) -> State {
[INFO] [stdout]    |                        ^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Sized` is not implemented for `(dyn State + 'static)`
[INFO] [stdout]    = help: unsized fn params are gated as an unstable feature
[INFO] [stdout] help: function arguments must have a statically known size, borrowed types always have a known size
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn transfer(&self, node: &State) -> State {
[INFO] [stdout]    |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `(dyn State + 'static)` cannot be known at compilation time
[INFO] [stdout]   --> src/nodes/src/list.rs:24:40
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn transfer(&self, node: State) -> State {
[INFO] [stdout]    |                                        ^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Sized` is not implemented for `(dyn State + 'static)`
[INFO] [stdout]    = note: the return type of a function must have a statically known size
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr]     Checking thread_local v0.3.2
[INFO] [stderr] error: could not compile `nodes`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fc41e3b5409723edc0c9f2c54212a673bf4d50b30aa5b8ccf9b83f8472b7bf3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc41e3b5409723edc0c9f2c54212a673bf4d50b30aa5b8ccf9b83f8472b7bf3d", kill_on_drop: false }`
[INFO] [stdout] fc41e3b5409723edc0c9f2c54212a673bf4d50b30aa5b8ccf9b83f8472b7bf3d