[INFO] fetching crate rual 0.0.2...
[INFO] testing rual-0.0.2 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate rual 0.0.2 into /workspace/builds/worker-48/source
[INFO] validating manifest of crates.io crate rual 0.0.2 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rual 0.0.2
[INFO] finished tweaking crates.io crate rual 0.0.2
[INFO] tweaked toml for crates.io crate rual 0.0.2 written to /workspace/builds/worker-48/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eacad14315d9a743d56b6f14d0fbfcc0c98982fcd0eb5e5007c0bfbeb65d6979
[INFO] running `Command { std: "docker" "start" "-a" "eacad14315d9a743d56b6f14d0fbfcc0c98982fcd0eb5e5007c0bfbeb65d6979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eacad14315d9a743d56b6f14d0fbfcc0c98982fcd0eb5e5007c0bfbeb65d6979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eacad14315d9a743d56b6f14d0fbfcc0c98982fcd0eb5e5007c0bfbeb65d6979", kill_on_drop: false }`
[INFO] [stdout] eacad14315d9a743d56b6f14d0fbfcc0c98982fcd0eb5e5007c0bfbeb65d6979
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4b0c352cf059524ad049bc3aa06f5d0ab401bc623f72ca18f9f2b2be1fc34b3
[INFO] running `Command { std: "docker" "start" "-a" "f4b0c352cf059524ad049bc3aa06f5d0ab401bc623f72ca18f9f2b2be1fc34b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rual v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Punct`
[INFO] [stdout]  --> src/lexing/mod.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::syntax::{Keyword, Punct, Token, TokenType};
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parent`
[INFO] [stdout]    --> src/execution/mod.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 132 |     parent: Option<&'t Scope<'t>>,
[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/execution/mod.rs:137:12
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub fn new(parent: &'t Scope) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/execution/mod.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         self.exec_expr(&expr);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "f4b0c352cf059524ad049bc3aa06f5d0ab401bc623f72ca18f9f2b2be1fc34b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4b0c352cf059524ad049bc3aa06f5d0ab401bc623f72ca18f9f2b2be1fc34b3", kill_on_drop: false }`
[INFO] [stdout] f4b0c352cf059524ad049bc3aa06f5d0ab401bc623f72ca18f9f2b2be1fc34b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7ea5c34ea45a5b7389f101fb9de461ecc9c5019375ad1b8f1340b941a4adbb6
[INFO] running `Command { std: "docker" "start" "-a" "a7ea5c34ea45a5b7389f101fb9de461ecc9c5019375ad1b8f1340b941a4adbb6", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `Punct`
[INFO] [stdout]  --> src/lexing/mod.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::syntax::{Keyword, Punct, Token, TokenType};
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parent`
[INFO] [stdout]    --> src/execution/mod.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 132 |     parent: Option<&'t Scope<'t>>,
[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/execution/mod.rs:137:12
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub fn new(parent: &'t Scope) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/execution/mod.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         self.exec_expr(&expr);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rual v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `parent`
[INFO] [stdout]    --> src/execution/mod.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 132 |     parent: Option<&'t Scope<'t>>,
[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/execution/mod.rs:137:12
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub fn new(parent: &'t Scope) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/execution/mod.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         self.exec_expr(&expr);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "a7ea5c34ea45a5b7389f101fb9de461ecc9c5019375ad1b8f1340b941a4adbb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7ea5c34ea45a5b7389f101fb9de461ecc9c5019375ad1b8f1340b941a4adbb6", kill_on_drop: false }`
[INFO] [stdout] a7ea5c34ea45a5b7389f101fb9de461ecc9c5019375ad1b8f1340b941a4adbb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d0d4f7f1038cc7bc72c46fbfd582c9c9d05fb368203e78ce5bee25df20ef460f
[INFO] running `Command { std: "docker" "start" "-a" "d0d4f7f1038cc7bc72c46fbfd582c9c9d05fb368203e78ce5bee25df20ef460f", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Punct`
[INFO] [stderr]  --> src/lexing/mod.rs:3:30
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::syntax::{Keyword, Punct, Token, TokenType};
[INFO] [stderr]   |                              ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `parent`
[INFO] [stderr]    --> src/execution/mod.rs:132:5
[INFO] [stderr]     |
[INFO] [stderr] 132 |     parent: Option<&'t Scope<'t>>,
[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/execution/mod.rs:137:12
[INFO] [stderr]     |
[INFO] [stderr] 137 |     pub fn new(parent: &'t Scope) -> Self {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/execution/mod.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |         self.exec_expr(&expr);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `rual` (lib) generated 4 warnings
[INFO] [stderr] warning: `rual` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rual-8a1f2ec5b99a5a94)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test lexing::tests::discard ... ok
[INFO] [stdout] test lexing::tests::func ... ok
[INFO] [stdout] test lexing::tests::maps ... ok
[INFO] [stdout] test execution::tests::ranges ... ok
[INFO] [stdout] test execution::tests::long_calculations_dont_overflow ... ok
[INFO] [stdout] test lexing::tests::new_line ... ok
[INFO] [stdout] test lexing::tests::lists ... ok
[INFO] [stdout] test lexing::tests::hi_ord_func ... ok
[INFO] [stdout] test lexing::tests::strings ... ok
[INFO] [stdout] test lexing::tests::nums ... ok
[INFO] [stdout] test lexing::tests::a_couple_declarations ... ok
[INFO] [stdout] test lexing::tests::sub_punct ... ok
[INFO] [stdout] test execution::tests::shadowing ... ok
[INFO] [stdout] test lexing::tests::single_comment ... ok
[INFO] [stdout] test execution::tests::string_declarations ... ok
[INFO] [stdout] test execution::tests::numeric_declarations ... ok
[INFO] [stdout] test lexing::tests::tuples ... ok
[INFO] [stdout] test parsing::tests::a_couple_of_declarations ... ok
[INFO] [stdout] test parsing::tests::range_declarations ... ok
[INFO] [stdout] test parsing::tests::calc_assignment ... ok
[INFO] [stdout] test parsing::tests::simple_num_declaration ... ok
[INFO] [stdout] test parsing::tests::simple_string_declaration ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rual
[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" "d0d4f7f1038cc7bc72c46fbfd582c9c9d05fb368203e78ce5bee25df20ef460f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0d4f7f1038cc7bc72c46fbfd582c9c9d05fb368203e78ce5bee25df20ef460f", kill_on_drop: false }`
[INFO] [stdout] d0d4f7f1038cc7bc72c46fbfd582c9c9d05fb368203e78ce5bee25df20ef460f