[INFO] cloning repository https://github.com/tech6hutch/lang-compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tech6hutch/lang-compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftech6hutch%2Flang-compiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftech6hutch%2Flang-compiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b876793959149a653e4614da96686ca7ea121203
[INFO] testing tech6hutch/lang-compiler against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftech6hutch%2Flang-compiler" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tech6hutch/lang-compiler on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tech6hutch/lang-compiler
[INFO] finished tweaking git repo https://github.com/tech6hutch/lang-compiler
[INFO] tweaked toml for git repo https://github.com/tech6hutch/lang-compiler written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/tech6hutch/lang-compiler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode_names2 v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03f19a0efcd9e9053b9f32316d212fa12dd2ee5d8a0f7bd2cb35a2c0d2c180fa
[INFO] running `Command { std: "docker" "start" "-a" "03f19a0efcd9e9053b9f32316d212fa12dd2ee5d8a0f7bd2cb35a2c0d2c180fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03f19a0efcd9e9053b9f32316d212fa12dd2ee5d8a0f7bd2cb35a2c0d2c180fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03f19a0efcd9e9053b9f32316d212fa12dd2ee5d8a0f7bd2cb35a2c0d2c180fa", kill_on_drop: false }`
[INFO] [stdout] 03f19a0efcd9e9053b9f32316d212fa12dd2ee5d8a0f7bd2cb35a2c0d2c180fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc8da4772b011d9083176a8d7ee7c8a804015ba090aba806b8bd0c6a4fb388fe
[INFO] running `Command { std: "docker" "start" "-a" "fc8da4772b011d9083176a8d7ee7c8a804015ba090aba806b8bd0c6a4fb388fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling if_chain v1.0.0
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling unicode_names2 v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling bigdecimal v0.1.0
[INFO] [stderr]    Compiling lang-compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Display`, `Formatter`, `self`
[INFO] [stdout]  --> src/parser.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fmt::{self, Display, Debug, Formatter},
[INFO] [stdout]   |           ^^^^  ^^^^^^^         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/interpreter.rs:103:25
[INFO] [stdout]     |
[INFO] [stdout] 103 |                         _ => return Err(RuntimeError::OperandTypeError {
[INFO] [stdout]     |                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `operator`
[INFO] [stdout]   --> src/errors.rs:95:40
[INFO] [stdout]    |
[INFO] [stdout] 95 |             &OperandTypeError { arity, ref operator, type_str } => {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^ help: try ignoring the field: `operator: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `if_some`
[INFO] [stdout]  --> src/util.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn if_some<T>(b: bool, t: T) -> Option<T> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `if_then`
[INFO] [stdout]  --> src/util.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn if_then<T, F: FnOnce() -> T>(b: bool, f: F) -> Option<T> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next_col`
[INFO] [stdout]   --> src/text.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn next_col(&self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TempStr`
[INFO] [stdout]    --> src/lexer.rs:215:5
[INFO] [stdout]     |
[INFO] [stdout] 215 |     TempStr(TemplateStringToken),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `synchronize`
[INFO] [stdout]    --> src/parser.rs:179:4
[INFO] [stdout]     |
[INFO] [stdout] 179 | fn synchronize(iter: MyIterType!()) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.98s
[INFO] running `Command { std: "docker" "inspect" "fc8da4772b011d9083176a8d7ee7c8a804015ba090aba806b8bd0c6a4fb388fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc8da4772b011d9083176a8d7ee7c8a804015ba090aba806b8bd0c6a4fb388fe", kill_on_drop: false }`
[INFO] [stdout] fc8da4772b011d9083176a8d7ee7c8a804015ba090aba806b8bd0c6a4fb388fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2daba6e29756c0f8d3e8f5d3a5e76d47f0a6846a92898c1f833ed3bfec68c042
[INFO] running `Command { std: "docker" "start" "-a" "2daba6e29756c0f8d3e8f5d3a5e76d47f0a6846a92898c1f833ed3bfec68c042", kill_on_drop: false }`
[INFO] [stderr]    Compiling lang-compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Display`, `Formatter`, `self`
[INFO] [stdout]  --> src/parser.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fmt::{self, Display, Debug, Formatter},
[INFO] [stdout]   |           ^^^^  ^^^^^^^         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/interpreter.rs:103:25
[INFO] [stdout]     |
[INFO] [stdout] 103 |                         _ => return Err(RuntimeError::OperandTypeError {
[INFO] [stdout]     |                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `operator`
[INFO] [stdout]   --> src/errors.rs:95:40
[INFO] [stdout]    |
[INFO] [stdout] 95 |             &OperandTypeError { arity, ref operator, type_str } => {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^ help: try ignoring the field: `operator: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `if_some`
[INFO] [stdout]  --> src/util.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn if_some<T>(b: bool, t: T) -> Option<T> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `if_then`
[INFO] [stdout]  --> src/util.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn if_then<T, F: FnOnce() -> T>(b: bool, f: F) -> Option<T> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next_col`
[INFO] [stdout]   --> src/text.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn next_col(&self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TempStr`
[INFO] [stdout]    --> src/lexer.rs:215:5
[INFO] [stdout]     |
[INFO] [stdout] 215 |     TempStr(TemplateStringToken),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `synchronize`
[INFO] [stdout]    --> src/parser.rs:179:4
[INFO] [stdout]     |
[INFO] [stdout] 179 | fn synchronize(iter: MyIterType!()) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "2daba6e29756c0f8d3e8f5d3a5e76d47f0a6846a92898c1f833ed3bfec68c042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2daba6e29756c0f8d3e8f5d3a5e76d47f0a6846a92898c1f833ed3bfec68c042", kill_on_drop: false }`
[INFO] [stdout] 2daba6e29756c0f8d3e8f5d3a5e76d47f0a6846a92898c1f833ed3bfec68c042
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eed65174601eec5465a2fdcdf4cec77b39cc9231ee401e20601d0f9a2585d850
[INFO] running `Command { std: "docker" "start" "-a" "eed65174601eec5465a2fdcdf4cec77b39cc9231ee401e20601d0f9a2585d850", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused imports: `Display`, `Formatter`, `self`
[INFO] [stderr]  --> src/parser.rs:2:11
[INFO] [stderr]   |
[INFO] [stderr] 2 |     fmt::{self, Display, Debug, Formatter},
[INFO] [stderr]   |           ^^^^  ^^^^^^^         ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/interpreter.rs:103:25
[INFO] [stderr]     |
[INFO] [stderr] 103 |                         _ => return Err(RuntimeError::OperandTypeError {
[INFO] [stderr]     |                         ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `operator`
[INFO] [stderr]   --> src/errors.rs:95:40
[INFO] [stderr]    |
[INFO] [stderr] 95 |             &OperandTypeError { arity, ref operator, type_str } => {
[INFO] [stderr]    |                                        ^^^^^^^^^^^^ help: try ignoring the field: `operator: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `if_some`
[INFO] [stderr]  --> src/util.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn if_some<T>(b: bool, t: T) -> Option<T> {
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `if_then`
[INFO] [stderr]  --> src/util.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn if_then<T, F: FnOnce() -> T>(b: bool, f: F) -> Option<T> {
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `next_col`
[INFO] [stderr]   --> src/text.rs:88:12
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn next_col(&self) -> Self {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TempStr`
[INFO] [stderr]    --> src/lexer.rs:215:5
[INFO] [stderr]     |
[INFO] [stderr] 215 |     TempStr(TemplateStringToken),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `synchronize`
[INFO] [stderr]    --> src/parser.rs:179:4
[INFO] [stderr]     |
[INFO] [stderr] 179 | fn synchronize(iter: MyIterType!()) {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `lang-compiler` (bin "lang-compiler" test) generated 8 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lang_compiler-dc2d1e2e50448454)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eed65174601eec5465a2fdcdf4cec77b39cc9231ee401e20601d0f9a2585d850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eed65174601eec5465a2fdcdf4cec77b39cc9231ee401e20601d0f9a2585d850", kill_on_drop: false }`
[INFO] [stdout] eed65174601eec5465a2fdcdf4cec77b39cc9231ee401e20601d0f9a2585d850