[INFO] cloning repository https://github.com/TrMen/RustLox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TrMen/RustLox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrMen%2FRustLox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrMen%2FRustLox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e05374f043b964ab050f681e4a797ef198f0dd71
[INFO] testing TrMen/RustLox against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrMen%2FRustLox" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TrMen/RustLox on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TrMen/RustLox
[INFO] finished tweaking git repo https://github.com/TrMen/RustLox
[INFO] tweaked toml for git repo https://github.com/TrMen/RustLox written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/TrMen/RustLox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded peekmore v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c54a91950215eefbe3113251f9a200f794c45ac5b5ec921297ba27b12067630
[INFO] running `Command { std: "docker" "start" "-a" "0c54a91950215eefbe3113251f9a200f794c45ac5b5ec921297ba27b12067630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c54a91950215eefbe3113251f9a200f794c45ac5b5ec921297ba27b12067630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c54a91950215eefbe3113251f9a200f794c45ac5b5ec921297ba27b12067630", kill_on_drop: false }`
[INFO] [stdout] 0c54a91950215eefbe3113251f9a200f794c45ac5b5ec921297ba27b12067630
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2b763d1c1c31d984efe7b1bb88eaba084f36ef966abc28718508875ba4b5e03
[INFO] running `Command { std: "docker" "start" "-a" "a2b763d1c1c31d984efe7b1bb88eaba084f36ef966abc28718508875ba4b5e03", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling strum v0.21.0
[INFO] [stderr]    Compiling peekmore v1.0.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling variant_count v1.1.0
[INFO] [stderr]    Compiling bytecode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Object`
[INFO] [stdout]  --> src/compiler.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 |     object::{Object, ObjectList},
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hash::Hash`
[INFO] [stdout]  --> src/object.rs:1:47
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashSet, fmt::Display, hash::Hash, rc::Rc};
[INFO] [stdout]   |                                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Chunk`, `OpCode`
[INFO] [stdout]  --> src/parser.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 |     chunk::{Chunk, OpCode},
[INFO] [stdout]   |             ^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iter::Map`
[INFO] [stdout]  --> src/scanner.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{iter::Map, str::Chars};
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Neg`, `Not`, `rc::Rc`
[INFO] [stdout]  --> src/vm.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 |     ops::{Neg, Not},
[INFO] [stdout]   |           ^^^  ^^^
[INFO] [stdout] 4 |     rc::Rc,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Object`
[INFO] [stdout]   --> src/vm.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 |     object::{Object, ObjectList},
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/value.rs:63:17
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 _ => None,
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/value.rs:124:16
[INFO] [stdout]     |
[INFO] [stdout] 124 |             if let (Object::String(lhs), Object::String(rhs)) = (lhs.as_ref(), rhs.as_ref()) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `interned_strings`
[INFO] [stdout]   --> src/value.rs:55:31
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn compare_strings(&self, interned_strings: HashSet<ObjString>, rhs: &Value) -> bool {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interned_strings`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]   --> src/value.rs:55:69
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn compare_strings(&self, interned_strings: HashSet<ObjString>, rhs: &Value) -> bool {
[INFO] [stdout]    |                                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `interned_strings`
[INFO] [stdout]   --> src/value.rs:70:20
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn copy(&self, interned_strings: HashSet<String>) -> Value {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interned_strings`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `strings`
[INFO] [stdout]   --> src/object.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     strings: HashSet<String>,
[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: `compare_strings`
[INFO] [stdout]   --> src/value.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn compare_strings(&self, interned_strings: HashSet<ObjString>, rhs: &Value) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_string`
[INFO] [stdout]   --> src/value.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn as_string(&self) -> Option<&ObjString> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `copy`
[INFO] [stdout]   --> src/value.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn copy(&self, interned_strings: HashSet<String>) -> Value {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `strings`
[INFO] [stdout]   --> src/vm.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     strings: HashSet<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "a2b763d1c1c31d984efe7b1bb88eaba084f36ef966abc28718508875ba4b5e03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2b763d1c1c31d984efe7b1bb88eaba084f36ef966abc28718508875ba4b5e03", kill_on_drop: false }`
[INFO] [stdout] a2b763d1c1c31d984efe7b1bb88eaba084f36ef966abc28718508875ba4b5e03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb427a2bef10ad70fe0181e2e68a9ce8a5c758395d3fe39cbc28a29ac7ec59f9
[INFO] running `Command { std: "docker" "start" "-a" "fb427a2bef10ad70fe0181e2e68a9ce8a5c758395d3fe39cbc28a29ac7ec59f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytecode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Object`
[INFO] [stdout]  --> src/compiler.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 |     object::{Object, ObjectList},
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hash::Hash`
[INFO] [stdout]  --> src/object.rs:1:47
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashSet, fmt::Display, hash::Hash, rc::Rc};
[INFO] [stdout]   |                                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Chunk`, `OpCode`
[INFO] [stdout]  --> src/parser.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 |     chunk::{Chunk, OpCode},
[INFO] [stdout]   |             ^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iter::Map`
[INFO] [stdout]  --> src/scanner.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{iter::Map, str::Chars};
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Neg`, `Not`, `rc::Rc`
[INFO] [stdout]  --> src/vm.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 |     ops::{Neg, Not},
[INFO] [stdout]   |           ^^^  ^^^
[INFO] [stdout] 4 |     rc::Rc,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Object`
[INFO] [stdout]   --> src/vm.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 |     object::{Object, ObjectList},
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/value.rs:63:17
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 _ => None,
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/value.rs:124:16
[INFO] [stdout]     |
[INFO] [stdout] 124 |             if let (Object::String(lhs), Object::String(rhs)) = (lhs.as_ref(), rhs.as_ref()) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `interned_strings`
[INFO] [stdout]   --> src/value.rs:55:31
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn compare_strings(&self, interned_strings: HashSet<ObjString>, rhs: &Value) -> bool {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interned_strings`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]   --> src/value.rs:55:69
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn compare_strings(&self, interned_strings: HashSet<ObjString>, rhs: &Value) -> bool {
[INFO] [stdout]    |                                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `interned_strings`
[INFO] [stdout]   --> src/value.rs:70:20
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn copy(&self, interned_strings: HashSet<String>) -> Value {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interned_strings`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `strings`
[INFO] [stdout]   --> src/object.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     strings: HashSet<String>,
[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: `compare_strings`
[INFO] [stdout]   --> src/value.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn compare_strings(&self, interned_strings: HashSet<ObjString>, rhs: &Value) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_string`
[INFO] [stdout]   --> src/value.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn as_string(&self) -> Option<&ObjString> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `copy`
[INFO] [stdout]   --> src/value.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn copy(&self, interned_strings: HashSet<String>) -> Value {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `strings`
[INFO] [stdout]   --> src/vm.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     strings: HashSet<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.59s
[INFO] running `Command { std: "docker" "inspect" "fb427a2bef10ad70fe0181e2e68a9ce8a5c758395d3fe39cbc28a29ac7ec59f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb427a2bef10ad70fe0181e2e68a9ce8a5c758395d3fe39cbc28a29ac7ec59f9", kill_on_drop: false }`
[INFO] [stdout] fb427a2bef10ad70fe0181e2e68a9ce8a5c758395d3fe39cbc28a29ac7ec59f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8dcace79eb42ed0b19430725cc71d69ee85338b73d7a0c26f4388c7e2e6f6daa
[INFO] running `Command { std: "docker" "start" "-a" "8dcace79eb42ed0b19430725cc71d69ee85338b73d7a0c26f4388c7e2e6f6daa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `Object`
[INFO] [stderr]  --> src/compiler.rs:3:14
[INFO] [stderr]   |
[INFO] [stderr] 3 |     object::{Object, ObjectList},
[INFO] [stderr]   |              ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hash::Hash`
[INFO] [stderr]  --> src/object.rs:1:47
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{collections::HashSet, fmt::Display, hash::Hash, rc::Rc};
[INFO] [stderr]   |                                               ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Chunk`, `OpCode`
[INFO] [stderr]  --> src/parser.rs:2:13
[INFO] [stderr]   |
[INFO] [stderr] 2 |     chunk::{Chunk, OpCode},
[INFO] [stderr]   |             ^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `iter::Map`
[INFO] [stderr]  --> src/scanner.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{iter::Map, str::Chars};
[INFO] [stderr]   |           ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Neg`, `Not`, `rc::Rc`
[INFO] [stderr]  --> src/vm.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 |     ops::{Neg, Not},
[INFO] [stderr]   |           ^^^  ^^^
[INFO] [stderr] 4 |     rc::Rc,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Object`
[INFO] [stderr]   --> src/vm.rs:10:14
[INFO] [stderr]    |
[INFO] [stderr] 10 |     object::{Object, ObjectList},
[INFO] [stderr]    |              ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/value.rs:63:17
[INFO] [stderr]    |
[INFO] [stderr] 63 |                 _ => None,
[INFO] [stderr]    |                 ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: irrefutable `if let` pattern
[INFO] [stderr]    --> src/value.rs:124:16
[INFO] [stderr]     |
[INFO] [stderr] 124 |             if let (Object::String(lhs), Object::String(rhs)) = (lhs.as_ref(), rhs.as_ref()) {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stderr]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stderr]     = help: consider replacing the `if let` with a `let`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `interned_strings`
[INFO] [stderr]   --> src/value.rs:55:31
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn compare_strings(&self, interned_strings: HashSet<ObjString>, rhs: &Value) -> bool {
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interned_strings`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rhs`
[INFO] [stderr]   --> src/value.rs:55:69
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn compare_strings(&self, interned_strings: HashSet<ObjString>, rhs: &Value) -> bool {
[INFO] [stderr]    |                                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `interned_strings`
[INFO] [stderr]   --> src/value.rs:70:20
[INFO] [stderr]    |
[INFO] [stderr] 70 |     fn copy(&self, interned_strings: HashSet<String>) -> Value {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interned_strings`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `strings`
[INFO] [stderr]   --> src/object.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     strings: HashSet<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `compare_strings`
[INFO] [stderr]   --> src/value.rs:55:8
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn compare_strings(&self, interned_strings: HashSet<ObjString>, rhs: &Value) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `as_string`
[INFO] [stderr]   --> src/value.rs:59:8
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn as_string(&self) -> Option<&ObjString> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `copy`
[INFO] [stderr]   --> src/value.rs:70:8
[INFO] [stderr]    |
[INFO] [stderr] 70 |     fn copy(&self, interned_strings: HashSet<String>) -> Value {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `strings`
[INFO] [stderr]   --> src/vm.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     strings: HashSet<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `bytecode` (bin "bytecode" test) generated 16 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bytecode-459ac49265eb5c6d)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test chunk::tests::constant_indexing ... ok
[INFO] [stdout] test chunk::tests::constants ... ok
[INFO] [stdout] test chunk::tests::lines ... ok
[INFO] [stdout] test chunk::tests::lines_for_constants ... ok
[INFO] [stdout] test chunk::tests::op_code_is_1_byte_big ... ok
[INFO] [stdout] test compiler::tests::banng_to_pase_rule ... ok
[INFO] [stdout] test compiler::tests::compile_add ... ok
[INFO] [stdout] test compiler::tests::compile_number ... ok
[INFO] [stdout] test compiler::tests::number_to_parse_rule ... ok
[INFO] [stdout] test compiler::tests::parse_precedence_ordering ... ok
[INFO] [stdout] test compiler::tests::parse_precedence_to_u8 ... ok
[INFO] [stdout] test compiler::tests::plus_to_parse_rule ... ok
[INFO] [stdout] test compiler::tests::prec_is_1_byte_big ... ok
[INFO] [stdout] test scanner::tests::div ... ok
[INFO] [stdout] test scanner::tests::comment ... ok
[INFO] [stdout] test scanner::tests::number ... ok
[INFO] [stdout] test scanner::tests::expr_in_line_after_comment ... ok
[INFO] [stdout] test scanner::tests::string ... ok
[INFO] [stdout] test scanner::tests::string_plus_number ... ok
[INFO] [stdout] test vm::tests::constant ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8dcace79eb42ed0b19430725cc71d69ee85338b73d7a0c26f4388c7e2e6f6daa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dcace79eb42ed0b19430725cc71d69ee85338b73d7a0c26f4388c7e2e6f6daa", kill_on_drop: false }`
[INFO] [stdout] 8dcace79eb42ed0b19430725cc71d69ee85338b73d7a0c26f4388c7e2e6f6daa