[INFO] updating cached repository https://github.com/CircuitCoder/MeowRust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c17465224d226777e5d4abe04f74edb19cfa7f7a
[INFO] testing CircuitCoder/MeowRust against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCircuitCoder%2FMeowRust" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CircuitCoder/MeowRust on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/CircuitCoder/MeowRust
[INFO] finished tweaking git repo https://github.com/CircuitCoder/MeowRust
[INFO] tweaked toml for git repo https://github.com/CircuitCoder/MeowRust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/CircuitCoder/MeowRust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 36ee96c47caf5c26dfaf76e9222ce6b8264346e391f0256454aafed7883a7c13
[INFO] running `"docker" "start" "-a" "36ee96c47caf5c26dfaf76e9222ce6b8264346e391f0256454aafed7883a7c13"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling static_assertions v0.3.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling nom v5.0.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling synstructure v0.12.2
[INFO] [stderr]    Compiling structopt-derive v0.3.4
[INFO] [stderr]    Compiling paw-attributes v1.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling paw v1.0.0
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling structopt v0.3.4
[INFO] [stderr]    Compiling meow_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `super::literal::*`
[INFO] [stderr]  --> src/parser/type.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use super::literal::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SameAs`
[INFO] [stderr]   --> src/grammar/type.rs:21:3
[INFO] [stderr]    |
[INFO] [stderr] 21 |   SameAs(Rc<Type<'a>>),
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Float`
[INFO] [stderr]   --> src/grammar/mod.rs:28:3
[INFO] [stderr]    |
[INFO] [stderr] 28 |   Float(f64),
[INFO] [stderr]    |   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `SimplePath`
[INFO] [stderr]   --> src/grammar/mod.rs:53:1
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub type SimplePath<'a> = Path<'a, ()>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Range`
[INFO] [stderr]    --> src/grammar/mod.rs:141:3
[INFO] [stderr]     |
[INFO] [stderr] 141 | /   Range {
[INFO] [stderr] 142 | |     from: Option<Box<Expr<'a>>>,
[INFO] [stderr] 143 | |     to: Option<Box<Expr<'a>>>,
[INFO] [stderr] 144 | |   },
[INFO] [stderr]     | |___^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Nothing`
[INFO] [stderr]    --> src/grammar/mod.rs:189:3
[INFO] [stderr]     |
[INFO] [stderr] 189 |   Nothing,
[INFO] [stderr]     |   ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SEPARATORS`
[INFO] [stderr]  --> src/parser/mod.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | const SEPARATORS: &'static str = "+-*/%^!&|><=@_.,;:#$?([{)]{";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 27s
[INFO] running `"docker" "inspect" "36ee96c47caf5c26dfaf76e9222ce6b8264346e391f0256454aafed7883a7c13"`
[INFO] running `"docker" "rm" "-f" "36ee96c47caf5c26dfaf76e9222ce6b8264346e391f0256454aafed7883a7c13"`
[INFO] [stdout] 36ee96c47caf5c26dfaf76e9222ce6b8264346e391f0256454aafed7883a7c13
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 901417bdfe68d7b08b6c6a38f7f6e89dfb041ad5176f256eb7dabd269389440b
[INFO] running `"docker" "start" "-a" "901417bdfe68d7b08b6c6a38f7f6e89dfb041ad5176f256eb7dabd269389440b"`
[INFO] [stderr]    Compiling meow_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `super::literal::*`
[INFO] [stderr]  --> src/parser/type.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use super::literal::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SameAs`
[INFO] [stderr]   --> src/grammar/type.rs:21:3
[INFO] [stderr]    |
[INFO] [stderr] 21 |   SameAs(Rc<Type<'a>>),
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Float`
[INFO] [stderr]   --> src/grammar/mod.rs:28:3
[INFO] [stderr]    |
[INFO] [stderr] 28 |   Float(f64),
[INFO] [stderr]    |   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `SimplePath`
[INFO] [stderr]   --> src/grammar/mod.rs:53:1
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub type SimplePath<'a> = Path<'a, ()>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Range`
[INFO] [stderr]    --> src/grammar/mod.rs:141:3
[INFO] [stderr]     |
[INFO] [stderr] 141 | /   Range {
[INFO] [stderr] 142 | |     from: Option<Box<Expr<'a>>>,
[INFO] [stderr] 143 | |     to: Option<Box<Expr<'a>>>,
[INFO] [stderr] 144 | |   },
[INFO] [stderr]     | |___^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Nothing`
[INFO] [stderr]    --> src/grammar/mod.rs:189:3
[INFO] [stderr]     |
[INFO] [stderr] 189 |   Nothing,
[INFO] [stderr]     |   ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SEPARATORS`
[INFO] [stderr]  --> src/parser/mod.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | const SEPARATORS: &'static str = "+-*/%^!&|><=@_.,;:#$?([{)]{";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.37s
[INFO] running `"docker" "inspect" "901417bdfe68d7b08b6c6a38f7f6e89dfb041ad5176f256eb7dabd269389440b"`
[INFO] running `"docker" "rm" "-f" "901417bdfe68d7b08b6c6a38f7f6e89dfb041ad5176f256eb7dabd269389440b"`
[INFO] [stdout] 901417bdfe68d7b08b6c6a38f7f6e89dfb041ad5176f256eb7dabd269389440b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cf070738ff6bdc9778b041498a25b62824d0ae492008049adc889a03ad35abbf
[INFO] running `"docker" "start" "-a" "cf070738ff6bdc9778b041498a25b62824d0ae492008049adc889a03ad35abbf"`
[INFO] [stderr] warning: unused import: `super::literal::*`
[INFO] [stderr]  --> src/parser/type.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use super::literal::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SameAs`
[INFO] [stderr]   --> src/grammar/type.rs:21:3
[INFO] [stderr]    |
[INFO] [stderr] 21 |   SameAs(Rc<Type<'a>>),
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Float`
[INFO] [stderr]   --> src/grammar/mod.rs:28:3
[INFO] [stderr]    |
[INFO] [stderr] 28 |   Float(f64),
[INFO] [stderr]    |   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `SimplePath`
[INFO] [stderr]   --> src/grammar/mod.rs:53:1
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub type SimplePath<'a> = Path<'a, ()>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Range`
[INFO] [stderr]    --> src/grammar/mod.rs:141:3
[INFO] [stderr]     |
[INFO] [stderr] 141 | /   Range {
[INFO] [stderr] 142 | |     from: Option<Box<Expr<'a>>>,
[INFO] [stderr] 143 | |     to: Option<Box<Expr<'a>>>,
[INFO] [stderr] 144 | |   },
[INFO] [stderr]     | |___^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Nothing`
[INFO] [stderr]    --> src/grammar/mod.rs:189:3
[INFO] [stderr]     |
[INFO] [stderr] 189 |   Nothing,
[INFO] [stderr]     |   ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SEPARATORS`
[INFO] [stderr]  --> src/parser/mod.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | const SEPARATORS: &'static str = "+-*/%^!&|><=@_.,;:#$?([{)]{";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/meow_rust-f9038359961fc697
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "cf070738ff6bdc9778b041498a25b62824d0ae492008049adc889a03ad35abbf"`
[INFO] running `"docker" "rm" "-f" "cf070738ff6bdc9778b041498a25b62824d0ae492008049adc889a03ad35abbf"`
[INFO] [stdout] cf070738ff6bdc9778b041498a25b62824d0ae492008049adc889a03ad35abbf