[INFO] cloning repository floxo115/rust-interpreter
[INFO] running `"git" "clone" "--bare" "git://github.com/floxo115/rust-interpreter.git" "work/cache/sources/gh/floxo115/rust-interpreter"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/floxo115/rust-interpreter'...
[INFO] running `"git" "clone" "work/cache/sources/gh/floxo115/rust-interpreter" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/floxo115/rust-interpreter"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/floxo115/rust-interpreter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/floxo115/rust-interpreter" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/floxo115/rust-interpreter"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/floxo115/rust-interpreter'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5d70ae80cfaf3c72be740c587238fa67cf135e32
[INFO] sha for GitHub repo floxo115/rust-interpreter: 5d70ae80cfaf3c72be740c587238fa67cf135e32
[INFO] validating manifest of floxo115/rust-interpreter on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of floxo115/rust-interpreter on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing floxo115/rust-interpreter
[INFO] finished frobbing floxo115/rust-interpreter
[INFO] frobbed toml for floxo115/rust-interpreter written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/floxo115/rust-interpreter/Cargo.toml
[INFO] started frobbing floxo115/rust-interpreter
[INFO] finished frobbing floxo115/rust-interpreter
[INFO] frobbed toml for floxo115/rust-interpreter written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/floxo115/rust-interpreter/Cargo.toml
[INFO] crate floxo115/rust-interpreter already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking floxo115/rust-interpreter against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-6/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/floxo115/rust-interpreter:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f28039017cf00c07d4278a44fba5b949b444f1ec8140a9fec3d1569b7b2a0220
[INFO] running `"docker" "start" "-a" "f28039017cf00c07d4278a44fba5b949b444f1ec8140a9fec3d1569b7b2a0220"`
[INFO] [stderr]     Checking rust-mylang v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/ast/operator.rs:5:41
[INFO] [stderr]   |
[INFO] [stderr] 5 |   fn apply_operator(&self, nodes: &[Box<Node>]) -> String;
[INFO] [stderr]   |                                         ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/ast/operator.rs:9:21
[INFO] [stderr]   |
[INFO] [stderr] 9 |   pub operator: Box<Fn(&[Box<Node>]) -> String>,
[INFO] [stderr]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[Box<Node>]) -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/ast/operator.rs:9:30
[INFO] [stderr]   |
[INFO] [stderr] 9 |   pub operator: Box<Fn(&[Box<Node>]) -> String>,
[INFO] [stderr]   |                              ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/operator.rs:10:22
[INFO] [stderr]    |
[INFO] [stderr] 10 |   pub nodes: Vec<Box<Node>>,
[INFO] [stderr]    |                      ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/operator.rs:34:35
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn addition_strategy(nodes: &[Box<Node>]) -> String {
[INFO] [stderr]    |                                   ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::BufRead`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::BufRead;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokens::Token`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use tokens::Token;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/ast/operator.rs:5:41
[INFO] [stderr]   |
[INFO] [stderr] 5 |   fn apply_operator(&self, nodes: &[Box<Node>]) -> String;
[INFO] [stderr]   |                                         ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/ast/operator.rs:9:21
[INFO] [stderr]   |
[INFO] [stderr] 9 |   pub operator: Box<Fn(&[Box<Node>]) -> String>,
[INFO] [stderr]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[Box<Node>]) -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/ast/operator.rs:9:30
[INFO] [stderr]   |
[INFO] [stderr] 9 |   pub operator: Box<Fn(&[Box<Node>]) -> String>,
[INFO] [stderr]   |                              ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/operator.rs:10:22
[INFO] [stderr]    |
[INFO] [stderr] 10 |   pub nodes: Vec<Box<Node>>,
[INFO] [stderr]    |                      ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/operator.rs:34:35
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn addition_strategy(nodes: &[Box<Node>]) -> String {
[INFO] [stderr]    |                                   ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::BufRead`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::BufRead;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokens::Token`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use tokens::Token;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `"docker" "inspect" "f28039017cf00c07d4278a44fba5b949b444f1ec8140a9fec3d1569b7b2a0220"`
[INFO] running `"docker" "rm" "-f" "f28039017cf00c07d4278a44fba5b949b444f1ec8140a9fec3d1569b7b2a0220"`
[INFO] [stdout] f28039017cf00c07d4278a44fba5b949b444f1ec8140a9fec3d1569b7b2a0220