[INFO] cloning repository https://github.com/reidswan/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/reidswan/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freidswan%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freidswan%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2b926b2c59ce1f8b7be8bec6dfbf1aaaceb9ebab
[INFO] testing reidswan/rlox against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freidswan%2Frlox" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/reidswan/rlox on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/reidswan/rlox
[INFO] finished tweaking git repo https://github.com/reidswan/rlox
[INFO] tweaked toml for git repo https://github.com/reidswan/rlox written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/reidswan/rlox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2b68a5141499be79f77320e22f9d513020e7f0bb31c676ab0b6e4ed3b3e4050
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e2b68a5141499be79f77320e22f9d513020e7f0bb31c676ab0b6e4ed3b3e4050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2b68a5141499be79f77320e22f9d513020e7f0bb31c676ab0b6e4ed3b3e4050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2b68a5141499be79f77320e22f9d513020e7f0bb31c676ab0b6e4ed3b3e4050", kill_on_drop: false }`
[INFO] [stdout] e2b68a5141499be79f77320e22f9d513020e7f0bb31c676ab0b6e4ed3b3e4050
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 985ae210609d68e435ef93fd86d5427592aba034a5f8c06b3e41f84a48994e51
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "985ae210609d68e435ef93fd86d5427592aba034a5f8c06b3e41f84a48994e51", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling treelox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/parser.rs:83:41
[INFO] [stdout]     |
[INFO] [stdout] 83  |       ($self:ident, $token_type:path) => {{
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 84  | |         let should_match = $self
[INFO] [stdout] 85  | |             .peek()
[INFO] [stdout] 86  | |             .ok_or(format!("EOF: Expected {} but got EOF", $token_type))?;
[INFO] [stdout] ...   |
[INFO] [stdout] 97  | |         }
[INFO] [stdout] 98  | |     }};
[INFO] [stdout]     | |_____^
[INFO] [stdout] ...
[INFO] [stdout] 236 |           consume!(self, Token::Semicolon);
[INFO] [stdout]     |           --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/parser.rs:83:41
[INFO] [stdout]     |
[INFO] [stdout] 83  |       ($self:ident, $token_type:path) => {{
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 84  | |         let should_match = $self
[INFO] [stdout] 85  | |             .peek()
[INFO] [stdout] 86  | |             .ok_or(format!("EOF: Expected {} but got EOF", $token_type))?;
[INFO] [stdout] ...   |
[INFO] [stdout] 97  | |         }
[INFO] [stdout] 98  | |     }};
[INFO] [stdout]     | |_____^
[INFO] [stdout] ...
[INFO] [stdout] 249 |           consume!(self, Token::Semicolon);
[INFO] [stdout]     |           --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/parser.rs:83:41
[INFO] [stdout]     |
[INFO] [stdout] 83  |       ($self:ident, $token_type:path) => {{
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 84  | |         let should_match = $self
[INFO] [stdout] 85  | |             .peek()
[INFO] [stdout] 86  | |             .ok_or(format!("EOF: Expected {} but got EOF", $token_type))?;
[INFO] [stdout] ...   |
[INFO] [stdout] 97  | |         }
[INFO] [stdout] 98  | |     }};
[INFO] [stdout]     | |_____^
[INFO] [stdout] ...
[INFO] [stdout] 261 |           consume!(self, Token::RightParen);
[INFO] [stdout]     |           ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.45s
[INFO] running `Command { std: "docker" "inspect" "985ae210609d68e435ef93fd86d5427592aba034a5f8c06b3e41f84a48994e51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "985ae210609d68e435ef93fd86d5427592aba034a5f8c06b3e41f84a48994e51", kill_on_drop: false }`
[INFO] [stdout] 985ae210609d68e435ef93fd86d5427592aba034a5f8c06b3e41f84a48994e51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45df19ec727211e4666beb207f19e0730cd824a1f6f930615e6bae74146c8bee
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "45df19ec727211e4666beb207f19e0730cd824a1f6f930615e6bae74146c8bee", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling treelox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/parser.rs:83:41
[INFO] [stdout]     |
[INFO] [stdout] 83  |       ($self:ident, $token_type:path) => {{
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 84  | |         let should_match = $self
[INFO] [stdout] 85  | |             .peek()
[INFO] [stdout] 86  | |             .ok_or(format!("EOF: Expected {} but got EOF", $token_type))?;
[INFO] [stdout] ...   |
[INFO] [stdout] 97  | |         }
[INFO] [stdout] 98  | |     }};
[INFO] [stdout]     | |_____^
[INFO] [stdout] ...
[INFO] [stdout] 236 |           consume!(self, Token::Semicolon);
[INFO] [stdout]     |           --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/parser.rs:83:41
[INFO] [stdout]     |
[INFO] [stdout] 83  |       ($self:ident, $token_type:path) => {{
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 84  | |         let should_match = $self
[INFO] [stdout] 85  | |             .peek()
[INFO] [stdout] 86  | |             .ok_or(format!("EOF: Expected {} but got EOF", $token_type))?;
[INFO] [stdout] ...   |
[INFO] [stdout] 97  | |         }
[INFO] [stdout] 98  | |     }};
[INFO] [stdout]     | |_____^
[INFO] [stdout] ...
[INFO] [stdout] 249 |           consume!(self, Token::Semicolon);
[INFO] [stdout]     |           --------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/parser.rs:83:41
[INFO] [stdout]     |
[INFO] [stdout] 83  |       ($self:ident, $token_type:path) => {{
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 84  | |         let should_match = $self
[INFO] [stdout] 85  | |             .peek()
[INFO] [stdout] 86  | |             .ok_or(format!("EOF: Expected {} but got EOF", $token_type))?;
[INFO] [stdout] ...   |
[INFO] [stdout] 97  | |         }
[INFO] [stdout] 98  | |     }};
[INFO] [stdout]     | |_____^
[INFO] [stdout] ...
[INFO] [stdout] 261 |           consume!(self, Token::RightParen);
[INFO] [stdout]     |           ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.00s
[INFO] running `Command { std: "docker" "inspect" "45df19ec727211e4666beb207f19e0730cd824a1f6f930615e6bae74146c8bee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45df19ec727211e4666beb207f19e0730cd824a1f6f930615e6bae74146c8bee", kill_on_drop: false }`
[INFO] [stdout] 45df19ec727211e4666beb207f19e0730cd824a1f6f930615e6bae74146c8bee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 32aba6c2bed8918c92db50ad152fd2997b1b75121913e12653c427efe38c5f96
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "32aba6c2bed8918c92db50ad152fd2997b1b75121913e12653c427efe38c5f96", kill_on_drop: false }`
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser.rs:83:41
[INFO] [stderr]     |
[INFO] [stderr] 83  |       ($self:ident, $token_type:path) => {{
[INFO] [stderr]     |  _________________________________________^
[INFO] [stderr] 84  | |         let should_match = $self
[INFO] [stderr] 85  | |             .peek()
[INFO] [stderr] 86  | |             .ok_or(format!("EOF: Expected {} but got EOF", $token_type))?;
[INFO] [stderr] ...   |
[INFO] [stderr] 97  | |         }
[INFO] [stderr] 98  | |     }};
[INFO] [stderr]     | |_____^
[INFO] [stderr] ...
[INFO] [stderr] 236 |           consume!(self, Token::Semicolon);
[INFO] [stderr]     |           --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser.rs:83:41
[INFO] [stderr]     |
[INFO] [stderr] 83  |       ($self:ident, $token_type:path) => {{
[INFO] [stderr]     |  _________________________________________^
[INFO] [stderr] 84  | |         let should_match = $self
[INFO] [stderr] 85  | |             .peek()
[INFO] [stderr] 86  | |             .ok_or(format!("EOF: Expected {} but got EOF", $token_type))?;
[INFO] [stderr] ...   |
[INFO] [stderr] 97  | |         }
[INFO] [stderr] 98  | |     }};
[INFO] [stderr]     | |_____^
[INFO] [stderr] ...
[INFO] [stderr] 249 |           consume!(self, Token::Semicolon);
[INFO] [stderr]     |           --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser.rs:83:41
[INFO] [stderr]     |
[INFO] [stderr] 83  |       ($self:ident, $token_type:path) => {{
[INFO] [stderr]     |  _________________________________________^
[INFO] [stderr] 84  | |         let should_match = $self
[INFO] [stderr] 85  | |             .peek()
[INFO] [stderr] 86  | |             .ok_or(format!("EOF: Expected {} but got EOF", $token_type))?;
[INFO] [stderr] ...   |
[INFO] [stderr] 97  | |         }
[INFO] [stderr] 98  | |     }};
[INFO] [stderr]     | |_____^
[INFO] [stderr] ...
[INFO] [stderr] 261 |           consume!(self, Token::RightParen);
[INFO] [stderr]     |           ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/treelox-03a3f65cd4ca0acd
[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 `Command { std: "docker" "inspect" "32aba6c2bed8918c92db50ad152fd2997b1b75121913e12653c427efe38c5f96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32aba6c2bed8918c92db50ad152fd2997b1b75121913e12653c427efe38c5f96", kill_on_drop: false }`
[INFO] [stdout] 32aba6c2bed8918c92db50ad152fd2997b1b75121913e12653c427efe38c5f96