[INFO] updating cached repository https://github.com/adamreeve/rlox
[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] 4d812b3240ac7cfbb96821fb64282ecce7a199e1
[INFO] testing adamreeve/rlox against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadamreeve%2Frlox" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adamreeve/rlox on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/adamreeve/rlox
[INFO] finished tweaking git repo https://github.com/adamreeve/rlox
[INFO] tweaked toml for git repo https://github.com/adamreeve/rlox written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/adamreeve/rlox already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "+beta-2020-06-03" "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] a489ba3a89132416170d98eea2945ddff7ebb14a3fbf1aa5dfa94bd43bd5c9c1
[INFO] running `"docker" "start" "-a" "a489ba3a89132416170d98eea2945ddff7ebb14a3fbf1aa5dfa94bd43bd5c9c1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling enum-primitive-derive v0.1.2
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:32:32
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[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/scanner.rs:278:53
[INFO] [stderr]     |
[INFO] [stderr] 278 | fn is_some_where<T: Copy>(x: Option<T>, predicate: &Fn(T) -> bool) -> bool {
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:28:60
[INFO] [stderr]    |
[INFO] [stderr] 28 |             InterpretError::IoError(io_error) => &io_error.description(),
[INFO] [stderr]    |                                                            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/compiler.rs:193:28
[INFO] [stderr]     |
[INFO] [stderr] 193 |             self.error(err.description());
[INFO] [stderr]     |                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `StringInterner`
[INFO] [stderr]  --> src/string_interner.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct StringInterner {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/string_interner.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn new() -> StringInterner {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `intern`
[INFO] [stderr]   --> src/string_interner.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn intern(&mut self, string: String) -> InternedString {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `resolve`
[INFO] [stderr]   --> src/string_interner.rs:37:12
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn resolve(&self, symbol: InternedString) -> &str {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from_str`
[INFO] [stderr]   --> src/string_interner.rs:54:8
[INFO] [stderr]    |
[INFO] [stderr] 54 |     fn from_str(string: &str) -> InternedStringRef {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.40s
[INFO] running `"docker" "inspect" "a489ba3a89132416170d98eea2945ddff7ebb14a3fbf1aa5dfa94bd43bd5c9c1"`
[INFO] running `"docker" "rm" "-f" "a489ba3a89132416170d98eea2945ddff7ebb14a3fbf1aa5dfa94bd43bd5c9c1"`
[INFO] [stdout] a489ba3a89132416170d98eea2945ddff7ebb14a3fbf1aa5dfa94bd43bd5c9c1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "+beta-2020-06-03" "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] 30bdc3b585a083a7f857fcf89e0462e3443134a04cb51ab27612c4e3d1d3f516
[INFO] running `"docker" "start" "-a" "30bdc3b585a083a7f857fcf89e0462e3443134a04cb51ab27612c4e3d1d3f516"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]   --> src/chunk.rs:51:27
[INFO] [stderr]    |
[INFO] [stderr] 51 |     use std::io::{Cursor, Read, Write};
[INFO] [stderr]    |                           ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:32:32
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[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/scanner.rs:278:53
[INFO] [stderr]     |
[INFO] [stderr] 278 | fn is_some_where<T: Copy>(x: Option<T>, predicate: &Fn(T) -> bool) -> bool {
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:28:60
[INFO] [stderr]    |
[INFO] [stderr] 28 |             InterpretError::IoError(io_error) => &io_error.description(),
[INFO] [stderr]    |                                                            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/compiler.rs:193:28
[INFO] [stderr]     |
[INFO] [stderr] 193 |             self.error(err.description());
[INFO] [stderr]     |                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.71s
[INFO] running `"docker" "inspect" "30bdc3b585a083a7f857fcf89e0462e3443134a04cb51ab27612c4e3d1d3f516"`
[INFO] running `"docker" "rm" "-f" "30bdc3b585a083a7f857fcf89e0462e3443134a04cb51ab27612c4e3d1d3f516"`
[INFO] [stdout] 30bdc3b585a083a7f857fcf89e0462e3443134a04cb51ab27612c4e3d1d3f516
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "+beta-2020-06-03" "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] f21cb481b7d1b3e8a6a7846ae4796c1f03e072411b078bf7e530a963b1db143b
[INFO] running `"docker" "start" "-a" "f21cb481b7d1b3e8a6a7846ae4796c1f03e072411b078bf7e530a963b1db143b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]   --> src/chunk.rs:51:27
[INFO] [stderr]    |
[INFO] [stderr] 51 |     use std::io::{Cursor, Read, Write};
[INFO] [stderr]    |                           ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:32:32
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[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/scanner.rs:278:53
[INFO] [stderr]     |
[INFO] [stderr] 278 | fn is_some_where<T: Copy>(x: Option<T>, predicate: &Fn(T) -> bool) -> bool {
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:28:60
[INFO] [stderr]    |
[INFO] [stderr] 28 |             InterpretError::IoError(io_error) => &io_error.description(),
[INFO] [stderr]    |                                                            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/compiler.rs:193:28
[INFO] [stderr]     |
[INFO] [stderr] 193 |             self.error(err.description());
[INFO] [stderr]     |                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rlox-c57c538f77bf8118
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test chunk::test::test_write_constant ... ok
[INFO] [stdout] test chunk::test::test_write_instruction ... ok
[INFO] [stdout] test chunk::test::test_write_multiple_instruction ... ok
[INFO] [stdout] test run_length_encoding::test::test_empty ... ok
[INFO] [stdout] test run_length_encoding::test::test_iterate_empty ... ok
[INFO] [stdout] test run_length_encoding::test::test_iterate_complex ... ok
[INFO] [stdout] test run_length_encoding::test::test_iterate_run ... ok
[INFO] [stdout] test chunk::test::test_write_more_than_256_constants ... ok
[INFO] [stdout] test run_length_encoding::test::test_store_complex ... ok
[INFO] [stdout] test run_length_encoding::test::test_iterate_single_item ... ok
[INFO] [stdout] test scanner::tests::test_parsing_binary_numeric_expression ... ok
[INFO] [stdout] test scanner::tests::test_parse_keywords ... ok
[INFO] [stdout] test scanner::tests::test_parse_multiple_characters ... ok
[INFO] [stdout] test scanner::tests::test_incrementing_line_count ... ok
[INFO] [stdout] test run_length_encoding::test::test_store_run ... ok
[INFO] [stdout] test scanner::tests::test_parse_identifiers ... ok
[INFO] [stdout] test scanner::tests::test_parse_single_characters ... ok
[INFO] [stdout] test string_interner::test::interned_string_not_equal ... ok
[INFO] [stdout] test string_interner::test::interned_string_refs_equal ... ok
[INFO] [stdout] test string_interner::test::interned_string_refs_hash_equal ... ok
[INFO] [stdout] test string_interner::test::interned_string_refs_hash_not_equal ... ok
[INFO] [stdout] test string_interner::test::interned_string_equal ... ok
[INFO] [stdout] test scanner::tests::test_skipping_whitespace_and_comments_before_eof ... ok
[INFO] [stdout] test scanner::tests::test_skipping_whitespace_and_comments_before_more_tokens ... ok
[INFO] [stdout] test string_interner::test::interned_string_refs_not_equal ... ok
[INFO] [stdout] test scanner::tests::test_parsing_unary_expression ... ok
[INFO] [stdout] test string_interner::test::interned_string_resolve ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f21cb481b7d1b3e8a6a7846ae4796c1f03e072411b078bf7e530a963b1db143b"`
[INFO] running `"docker" "rm" "-f" "f21cb481b7d1b3e8a6a7846ae4796c1f03e072411b078bf7e530a963b1db143b"`
[INFO] [stdout] f21cb481b7d1b3e8a6a7846ae4796c1f03e072411b078bf7e530a963b1db143b