[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 master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadamreeve%2Frlox" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/adamreeve/rlox on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-8/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 70b4ec7b9ea6ec033f4bda0bb9120c36ad479a04300e2c7a07b17d68277c0e8d [INFO] running `Command { std: "docker" "start" "-a" "70b4ec7b9ea6ec033f4bda0bb9120c36ad479a04300e2c7a07b17d68277c0e8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "70b4ec7b9ea6ec033f4bda0bb9120c36ad479a04300e2c7a07b17d68277c0e8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70b4ec7b9ea6ec033f4bda0bb9120c36ad479a04300e2c7a07b17d68277c0e8d", kill_on_drop: false }` [INFO] [stdout] 70b4ec7b9ea6ec033f4bda0bb9120c36ad479a04300e2c7a07b17d68277c0e8d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f6402bb455e8ad6f27d9d38a1ec411875dc76293fe72e4fb5154181161a499f1 [INFO] running `Command { std: "docker" "start" "-a" "f6402bb455e8ad6f27d9d38a1ec411875dc76293fe72e4fb5154181161a499f1", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.5 [INFO] [stderr] Compiling libc v0.2.40 [INFO] [stderr] Compiling strsim v0.7.0 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling byteorder v1.2.1 [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] [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] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [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(x: Option, predicate: &Fn(T) -> bool) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> bool` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [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 13.54s [INFO] running `Command { std: "docker" "inspect" "f6402bb455e8ad6f27d9d38a1ec411875dc76293fe72e4fb5154181161a499f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6402bb455e8ad6f27d9d38a1ec411875dc76293fe72e4fb5154181161a499f1", kill_on_drop: false }` [INFO] [stdout] f6402bb455e8ad6f27d9d38a1ec411875dc76293fe72e4fb5154181161a499f1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a1bc473abca147b0e36d1a2482fc3ba93940b1babf2b8775b14fb48de2415789 [INFO] running `Command { std: "docker" "start" "-a" "a1bc473abca147b0e36d1a2482fc3ba93940b1babf2b8775b14fb48de2415789", 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] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [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(x: Option, predicate: &Fn(T) -> bool) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> bool` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [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 1.78s [INFO] running `Command { std: "docker" "inspect" "a1bc473abca147b0e36d1a2482fc3ba93940b1babf2b8775b14fb48de2415789", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a1bc473abca147b0e36d1a2482fc3ba93940b1babf2b8775b14fb48de2415789", kill_on_drop: false }` [INFO] [stdout] a1bc473abca147b0e36d1a2482fc3ba93940b1babf2b8775b14fb48de2415789 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7b3ed73ae6cea7f8e5436e88d801081c6b31b5f79d93d8051283fa0a5555a572 [INFO] running `Command { std: "docker" "start" "-a" "7b3ed73ae6cea7f8e5436e88d801081c6b31b5f79d93d8051283fa0a5555a572", 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] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [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(x: Option, predicate: &Fn(T) -> bool) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> bool` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [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 0.03s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rlox-dd69737de64b0a54) [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 run_length_encoding::test::test_empty ... ok [INFO] [stdout] test run_length_encoding::test::test_iterate_run ... ok [INFO] [stdout] test run_length_encoding::test::test_iterate_single_item ... ok [INFO] [stdout] test run_length_encoding::test::test_store_complex ... 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 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 scanner::tests::test_parsing_binary_numeric_expression ... ok [INFO] [stdout] test scanner::tests::test_parse_single_characters ... ok [INFO] [stdout] test scanner::tests::test_parse_multiple_characters ... ok [INFO] [stdout] test scanner::tests::test_parse_keywords ... ok [INFO] [stdout] test scanner::tests::test_parse_identifiers ... ok [INFO] [stdout] test chunk::test::test_write_more_than_256_constants ... ok [INFO] [stdout] test chunk::test::test_write_multiple_instruction ... ok [INFO] [stdout] test run_length_encoding::test::test_iterate_complex ... ok [INFO] [stdout] test run_length_encoding::test::test_iterate_empty ... ok [INFO] [stdout] test string_interner::test::interned_string_refs_not_equal ... ok [INFO] [stdout] test run_length_encoding::test::test_store_run ... ok [INFO] [stdout] test scanner::tests::test_incrementing_line_count ... 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; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "7b3ed73ae6cea7f8e5436e88d801081c6b31b5f79d93d8051283fa0a5555a572", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b3ed73ae6cea7f8e5436e88d801081c6b31b5f79d93d8051283fa0a5555a572", kill_on_drop: false }` [INFO] [stdout] 7b3ed73ae6cea7f8e5436e88d801081c6b31b5f79d93d8051283fa0a5555a572