[INFO] updating cached repository https://github.com/floxo115/rust-interpreter
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5d70ae80cfaf3c72be740c587238fa67cf135e32
[INFO] testing floxo115/rust-interpreter against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffloxo115%2Frust-interpreter" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/floxo115/rust-interpreter on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-14/source/Cargo.toml
[INFO] crate git repo https://github.com/floxo115/rust-interpreter already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cbc447c7bde2d2a35d3dc5b961096423858220ab2edbe6c8b0fec3ec21572ac5
[INFO] running `"docker" "start" "-a" "cbc447c7bde2d2a35d3dc5b961096423858220ab2edbe6c8b0fec3ec21572ac5"`
[INFO] [stderr]    Compiling rust-mylang v0.1.0 (/opt/rustwide/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: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `"docker" "inspect" "cbc447c7bde2d2a35d3dc5b961096423858220ab2edbe6c8b0fec3ec21572ac5"`
[INFO] running `"docker" "rm" "-f" "cbc447c7bde2d2a35d3dc5b961096423858220ab2edbe6c8b0fec3ec21572ac5"`
[INFO] [stdout] cbc447c7bde2d2a35d3dc5b961096423858220ab2edbe6c8b0fec3ec21572ac5
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a55d24cda4214cabbbd51c5ea316043fde4bd0e5e7919eddac9caed7cda314a7
[INFO] running `"docker" "start" "-a" "a55d24cda4214cabbbd51c5ea316043fde4bd0e5e7919eddac9caed7cda314a7"`
[INFO] [stderr]    Compiling rust-mylang v0.1.0 (/opt/rustwide/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: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `"docker" "inspect" "a55d24cda4214cabbbd51c5ea316043fde4bd0e5e7919eddac9caed7cda314a7"`
[INFO] running `"docker" "rm" "-f" "a55d24cda4214cabbbd51c5ea316043fde4bd0e5e7919eddac9caed7cda314a7"`
[INFO] [stdout] a55d24cda4214cabbbd51c5ea316043fde4bd0e5e7919eddac9caed7cda314a7
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bef65c282938a69b49e8093ef2ce40d0bce371a14e668d3c324bff85a89376df
[INFO] running `"docker" "start" "-a" "bef65c282938a69b49e8093ef2ce40d0bce371a14e668d3c324bff85a89376df"`
[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: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_mylang-cd3f5ff014b1e9d5
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test parser::test::parse_program ... ok
[INFO] [stdout] test lexer::test::new_lexer ... ok
[INFO] [stdout] test parser::test::next_token ... ok
[INFO] [stdout] test lexer::test::next_token ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "bef65c282938a69b49e8093ef2ce40d0bce371a14e668d3c324bff85a89376df"`
[INFO] running `"docker" "rm" "-f" "bef65c282938a69b49e8093ef2ce40d0bce371a14e668d3c324bff85a89376df"`
[INFO] [stdout] bef65c282938a69b49e8093ef2ce40d0bce371a14e668d3c324bff85a89376df