[INFO] cloning repository https://github.com/adamreeve/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adamreeve/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadamreeve%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadamreeve%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d812b3240ac7cfbb96821fb64282ecce7a199e1
[INFO] testing adamreeve/rlox against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadamreeve%2Frlox" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adamreeve/rlox on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-14/source/Cargo.toml
[INFO] crate git repo https://github.com/adamreeve/rlox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da80a629cd82d7fa8441bc05afcf43a7e284f4f249abb80d344bdcafb061e0c6
[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" "da80a629cd82d7fa8441bc05afcf43a7e284f4f249abb80d344bdcafb061e0c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da80a629cd82d7fa8441bc05afcf43a7e284f4f249abb80d344bdcafb061e0c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da80a629cd82d7fa8441bc05afcf43a7e284f4f249abb80d344bdcafb061e0c6", kill_on_drop: false }`
[INFO] [stdout] da80a629cd82d7fa8441bc05afcf43a7e284f4f249abb80d344bdcafb061e0c6
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bfcc42843f7f05a6a777a0c3b911cd80937a3116af4b95a69ed1668ecff7a7f
[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" "6bfcc42843f7f05a6a777a0c3b911cd80937a3116af4b95a69ed1668ecff7a7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling enum-primitive-derive v0.1.2
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:32:32
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[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/scanner.rs:278:53
[INFO] [stdout]     |
[INFO] [stdout] 278 | fn is_some_where<T: Copy>(x: Option<T>, predicate: &Fn(T) -> bool) -> bool {
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:28:60
[INFO] [stdout]    |
[INFO] [stdout] 28 |             InterpretError::IoError(io_error) => &io_error.description(),
[INFO] [stdout]    |                                                            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/compiler.rs:193:28
[INFO] [stdout]     |
[INFO] [stdout] 193 |             self.error(err.description());
[INFO] [stdout]     |                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `StringInterner`
[INFO] [stdout]  --> src/string_interner.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct StringInterner {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/string_interner.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new() -> StringInterner {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `intern`
[INFO] [stdout]   --> src/string_interner.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn intern(&mut self, string: String) -> InternedString {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `resolve`
[INFO] [stdout]   --> src/string_interner.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn resolve(&self, symbol: InternedString) -> &str {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_str`
[INFO] [stdout]   --> src/string_interner.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn from_str(string: &str) -> InternedStringRef {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.66s
[INFO] running `Command { std: "docker" "inspect" "6bfcc42843f7f05a6a777a0c3b911cd80937a3116af4b95a69ed1668ecff7a7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bfcc42843f7f05a6a777a0c3b911cd80937a3116af4b95a69ed1668ecff7a7f", kill_on_drop: false }`
[INFO] [stdout] 6bfcc42843f7f05a6a777a0c3b911cd80937a3116af4b95a69ed1668ecff7a7f
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6ba6cbc722a9d35ff2f125c638126b7a32969cd0db6b27be0d8a3c0519bdd06
[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" "f6ba6cbc722a9d35ff2f125c638126b7a32969cd0db6b27be0d8a3c0519bdd06", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]   --> src/chunk.rs:51:27
[INFO] [stdout]    |
[INFO] [stdout] 51 |     use std::io::{Cursor, Read, Write};
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:32:32
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[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/scanner.rs:278:53
[INFO] [stdout]     |
[INFO] [stdout] 278 | fn is_some_where<T: Copy>(x: Option<T>, predicate: &Fn(T) -> bool) -> bool {
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:28:60
[INFO] [stdout]    |
[INFO] [stdout] 28 |             InterpretError::IoError(io_error) => &io_error.description(),
[INFO] [stdout]    |                                                            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/compiler.rs:193:28
[INFO] [stdout]     |
[INFO] [stdout] 193 |             self.error(err.description());
[INFO] [stdout]     |                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.79s
[INFO] running `Command { std: "docker" "inspect" "f6ba6cbc722a9d35ff2f125c638126b7a32969cd0db6b27be0d8a3c0519bdd06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6ba6cbc722a9d35ff2f125c638126b7a32969cd0db6b27be0d8a3c0519bdd06", kill_on_drop: false }`
[INFO] [stdout] f6ba6cbc722a9d35ff2f125c638126b7a32969cd0db6b27be0d8a3c0519bdd06
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 41779571306a1b0ab91e2bbfb9fd491b3c6e4b85d4dc29dd6eefd090109e35e5
[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" "41779571306a1b0ab91e2bbfb9fd491b3c6e4b85d4dc29dd6eefd090109e35e5", kill_on_drop: false }`
[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 associated function `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 associated function `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 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rlox-e23f856abdadeca3
[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_complex ... ok
[INFO] [stdout] test run_length_encoding::test::test_iterate_single_item ... ok
[INFO] [stdout] test run_length_encoding::test::test_iterate_run ... ok
[INFO] [stdout] test run_length_encoding::test::test_iterate_empty ... ok
[INFO] [stdout] test chunk::test::test_write_more_than_256_constants ... ok
[INFO] [stdout] test scanner::tests::test_incrementing_line_count ... ok
[INFO] [stdout] test scanner::tests::test_parse_identifiers ... ok
[INFO] [stdout] test run_length_encoding::test::test_store_run ... ok
[INFO] [stdout] test scanner::tests::test_parse_keywords ... ok
[INFO] [stdout] test scanner::tests::test_parse_multiple_characters ... ok
[INFO] [stdout] test run_length_encoding::test::test_store_complex ... ok
[INFO] [stdout] test scanner::tests::test_parse_single_characters ... ok
[INFO] [stdout] test string_interner::test::interned_string_refs_equal ... ok
[INFO] [stdout] test string_interner::test::interned_string_not_equal ... ok
[INFO] [stdout] test string_interner::test::interned_string_refs_hash_not_equal ... ok
[INFO] [stdout] test string_interner::test::interned_string_refs_not_equal ... ok
[INFO] [stdout] test string_interner::test::interned_string_refs_hash_equal ... ok
[INFO] [stdout] test scanner::tests::test_parsing_unary_expression ... 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_equal ... ok
[INFO] [stdout] test scanner::tests::test_parsing_binary_numeric_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 `Command { std: "docker" "inspect" "41779571306a1b0ab91e2bbfb9fd491b3c6e4b85d4dc29dd6eefd090109e35e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41779571306a1b0ab91e2bbfb9fd491b3c6e4b85d4dc29dd6eefd090109e35e5", kill_on_drop: false }`
[INFO] [stdout] 41779571306a1b0ab91e2bbfb9fd491b3c6e4b85d4dc29dd6eefd090109e35e5
