[INFO] updating cached repository https://github.com/bpandreotti/monkey-rust
[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] [stderr] From https://github.com/bpandreotti/monkey-rust
[INFO] [stderr]    bc5a3d7..1a5a5e9  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1a5a5e92659fc1c2d9268c414f58e40933cd0125
[INFO] testing bpandreotti/monkey-rust against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbpandreotti%2Fmonkey-rust" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bpandreotti/monkey-rust 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/bpandreotti/monkey-rust
[INFO] finished tweaking git repo https://github.com/bpandreotti/monkey-rust
[INFO] tweaked toml for git repo https://github.com/bpandreotti/monkey-rust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/bpandreotti/monkey-rust 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 3f86777561e4e934d358508a45c49af96075bd8155e6031f41df484fe01dca38
[INFO] running `"docker" "start" "-a" "3f86777561e4e934d358508a45c49af96075bd8155e6031f41df484fe01dca38"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling rustyline-derive v0.3.1
[INFO] [stderr]    Compiling rustyline v6.1.2
[INFO] [stderr]    Compiling rusty-monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `old`
[INFO] [stderr]   --> src/repl.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn old() -> Repl {
[INFO] [stderr]    |        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.54s
[INFO] running `"docker" "inspect" "3f86777561e4e934d358508a45c49af96075bd8155e6031f41df484fe01dca38"`
[INFO] running `"docker" "rm" "-f" "3f86777561e4e934d358508a45c49af96075bd8155e6031f41df484fe01dca38"`
[INFO] [stdout] 3f86777561e4e934d358508a45c49af96075bd8155e6031f41df484fe01dca38
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] f563c734587d2f647f0a0b7a324eb2b21486d153f5df06de5586e86116ff116f
[INFO] running `"docker" "start" "-a" "f563c734587d2f647f0a0b7a324eb2b21486d153f5df06de5586e86116ff116f"`
[INFO] [stderr]    Compiling rusty-monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `old`
[INFO] [stderr]   --> src/repl.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn old() -> Repl {
[INFO] [stderr]    |        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.21s
[INFO] running `"docker" "inspect" "f563c734587d2f647f0a0b7a324eb2b21486d153f5df06de5586e86116ff116f"`
[INFO] running `"docker" "rm" "-f" "f563c734587d2f647f0a0b7a324eb2b21486d153f5df06de5586e86116ff116f"`
[INFO] [stdout] f563c734587d2f647f0a0b7a324eb2b21486d153f5df06de5586e86116ff116f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 89cd7076be952383194a49063170fc9f0667597ed72792c1cfbcd7058c688e69
[INFO] running `"docker" "start" "-a" "89cd7076be952383194a49063170fc9f0667597ed72792c1cfbcd7058c688e69"`
[INFO] [stderr] warning: function is never used: `old`
[INFO] [stderr]   --> src/repl.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn old() -> Repl {
[INFO] [stderr]    |        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rusty_monkey-63407ce5022689af
[INFO] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stdout] test eval::tests::test_functions ... ok
[INFO] [stdout] test eval::tests::test_let_statements ... ok
[INFO] [stdout] test eval::tests::test_int_expressions ... ok
[INFO] [stdout] test eval::tests::test_bool_expressions ... ok
[INFO] [stdout] test eval::tests::test_closures ... ok
[INFO] [stdout] test eval::tests::test_return_in_expressions ... ok
[INFO] [stdout] test eval::tests::test_blocks ... ok
[INFO] [stdout] test eval::tests::test_if_expressions ... ok
[INFO] [stdout] test eval::tests::test_arrays ... ok
[INFO] [stdout] test eval::tests::test_hashes ... ok
[INFO] [stdout] test lexer::tests::test_delimiters ... ok
[INFO] [stdout] test lexer::tests::test_identifiers ... ok
[INFO] [stdout] test lexer::tests::test_comments ... ok
[INFO] [stdout] test lexer::tests::test_int_literals ... ok
[INFO] [stdout] test eval::tests::test_runtime_errors ... ok
[INFO] [stdout] test eval::tests::test_return_statements ... ok
[INFO] [stdout] test eval::tests::test_string_operations ... ok
[INFO] [stdout] test lexer::tests::test_lexer_position ... ok
[INFO] [stdout] test parser::tests::test_block_expressions ... ok
[INFO] [stdout] test lexer::tests::test_operators ... ok
[INFO] [stdout] test parser::tests::test_grouped_expression ... ok
[INFO] [stdout] test parser::tests::test_index_expression ... ok
[INFO] [stdout] test parser::tests::test_if_expressions ... ok
[INFO] [stdout] test parser::tests::test_infix_expressions ... ok
[INFO] [stdout] test parser::tests::test_let_statements ... ok
[INFO] [stdout] test parser::tests::test_literals ... ok
[INFO] [stdout] test parser::tests::test_prefix_expressions ... ok
[INFO] [stdout] test parser::tests::test_return_statements ... ok
[INFO] [stdout] test lexer::tests::test_large_program ... ok
[INFO] [stdout] test lexer::tests::test_strings ... ok
[INFO] [stdout] test parser::tests::test_call_expressions ... ok
[INFO] [stdout] test lexer::tests::test_lexer_errors ... ok
[INFO] [stdout] test eval::tests::test_recursion ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 33 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "89cd7076be952383194a49063170fc9f0667597ed72792c1cfbcd7058c688e69"`
[INFO] running `"docker" "rm" "-f" "89cd7076be952383194a49063170fc9f0667597ed72792c1cfbcd7058c688e69"`
[INFO] [stdout] 89cd7076be952383194a49063170fc9f0667597ed72792c1cfbcd7058c688e69