[INFO] cloning repository https://github.com/floxo115/rust-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/floxo115/rust-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffloxo115%2Frust-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffloxo115%2Frust-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d70ae80cfaf3c72be740c587238fa67cf135e32
[INFO] checking floxo115/rust-interpreter against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffloxo115%2Frust-interpreter" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/floxo115/rust-interpreter on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/floxo115/rust-interpreter
[INFO] finished tweaking git repo https://github.com/floxo115/rust-interpreter
[INFO] tweaked toml for git repo https://github.com/floxo115/rust-interpreter written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/floxo115/rust-interpreter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9895a3a9f8e94901b36d2e8c989f0d0ad038932e0cceb47a0209ec4b1cc613e4
[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" "9895a3a9f8e94901b36d2e8c989f0d0ad038932e0cceb47a0209ec4b1cc613e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9895a3a9f8e94901b36d2e8c989f0d0ad038932e0cceb47a0209ec4b1cc613e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9895a3a9f8e94901b36d2e8c989f0d0ad038932e0cceb47a0209ec4b1cc613e4", kill_on_drop: false }`
[INFO] [stdout] 9895a3a9f8e94901b36d2e8c989f0d0ad038932e0cceb47a0209ec4b1cc613e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9a31c32946063065ca49b8cce61d69a9ef9d4b1dec0633eb00bd34bf76064b4
[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" "a9a31c32946063065ca49b8cce61d69a9ef9d4b1dec0633eb00bd34bf76064b4", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-mylang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/ast/operator.rs:5:41
[INFO] [stdout]   |
[INFO] [stdout] 5 |   fn apply_operator(&self, nodes: &[Box<Node>]) -> String;
[INFO] [stdout]   |                                         ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/ast/operator.rs:9:21
[INFO] [stdout]   |
[INFO] [stdout] 9 |   pub operator: Box<Fn(&[Box<Node>]) -> String>,
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[Box<Node>]) -> String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/ast/operator.rs:9:30
[INFO] [stdout]   |
[INFO] [stdout] 9 |   pub operator: Box<Fn(&[Box<Node>]) -> String>,
[INFO] [stdout]   |                              ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast/operator.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 |   pub nodes: Vec<Box<Node>>,
[INFO] [stdout]    |                      ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast/operator.rs:34:35
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn addition_strategy(nodes: &[Box<Node>]) -> String {
[INFO] [stdout]    |                                   ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufRead`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::BufRead;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokens::Token`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tokens::Token;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/ast/operator.rs:5:41
[INFO] [stdout]   |
[INFO] [stdout] 5 |   fn apply_operator(&self, nodes: &[Box<Node>]) -> String;
[INFO] [stdout]   |                                         ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/ast/operator.rs:9:21
[INFO] [stdout]   |
[INFO] [stdout] 9 |   pub operator: Box<Fn(&[Box<Node>]) -> String>,
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[Box<Node>]) -> String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/ast/operator.rs:9:30
[INFO] [stdout]   |
[INFO] [stdout] 9 |   pub operator: Box<Fn(&[Box<Node>]) -> String>,
[INFO] [stdout]   |                              ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast/operator.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 |   pub nodes: Vec<Box<Node>>,
[INFO] [stdout]    |                      ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast/operator.rs:34:35
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn addition_strategy(nodes: &[Box<Node>]) -> String {
[INFO] [stdout]    |                                   ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufRead`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::BufRead;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokens::Token`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tokens::Token;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "a9a31c32946063065ca49b8cce61d69a9ef9d4b1dec0633eb00bd34bf76064b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9a31c32946063065ca49b8cce61d69a9ef9d4b1dec0633eb00bd34bf76064b4", kill_on_drop: false }`
[INFO] [stdout] a9a31c32946063065ca49b8cce61d69a9ef9d4b1dec0633eb00bd34bf76064b4