[INFO] cloning repository https://github.com/rodaine/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rodaine/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frodaine%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frodaine%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d54bce35da8c110b33fa3249900095756f56d6bc
[INFO] checking rodaine/rlox against master#f82664191d0e8764b7435b9d72eb0e366b8b1464 for pr-83354
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frodaine%2Frlox" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rodaine/rlox on toolchain f82664191d0e8764b7435b9d72eb0e366b8b1464
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rodaine/rlox
[INFO] finished tweaking git repo https://github.com/rodaine/rlox
[INFO] tweaked toml for git repo https://github.com/rodaine/rlox written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/rodaine/rlox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6b98ee083bd5af4f1f1e6d5d2098648bc8e5d6110ce3d13a9b99b32829285449
[INFO] running `Command { std: "docker" "start" "-a" "6b98ee083bd5af4f1f1e6d5d2098648bc8e5d6110ce3d13a9b99b32829285449", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b98ee083bd5af4f1f1e6d5d2098648bc8e5d6110ce3d13a9b99b32829285449", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b98ee083bd5af4f1f1e6d5d2098648bc8e5d6110ce3d13a9b99b32829285449", kill_on_drop: false }`
[INFO] [stdout] 6b98ee083bd5af4f1f1e6d5d2098648bc8e5d6110ce3d13a9b99b32829285449
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4943d38d901891a2dd52dde9b3293ef66172cb8e5b65975d6070804e82685e21
[INFO] running `Command { std: "docker" "start" "-a" "4943d38d901891a2dd52dde9b3293ef66172cb8e5b65975d6070804e82685e21", kill_on_drop: false }`
[INFO] [stderr]     Checking rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/result.rs:70:32
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast/expr.rs:76:37
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn accept<T>(&self, v: &mut Visitor<T>) -> T {
[INFO] [stdout]    |                                     ^^^^^^^^^^ help: use `dyn`: `dyn Visitor<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast/stmt.rs:73:37
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn accept<T>(&self, v: &mut Visitor<T>) -> T {
[INFO] [stdout]    |                                     ^^^^^^^^^^ help: use `dyn`: `dyn Visitor<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/ast/token.rs:196:1
[INFO] [stdout]     |
[INFO] [stdout] 196 | / lazy_static! {
[INFO] [stdout] 197 | |     static ref RESERVED: HashMap<&'static str, Type> = [
[INFO] [stdout] 198 | |         ("and", Type::And),
[INFO] [stdout] 199 | |         ("class", Type::Class),
[INFO] [stdout] ...   |
[INFO] [stdout] 215 | |     ].iter().cloned().collect();
[INFO] [stdout] 216 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[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: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/functions.rs:200:1
[INFO] [stdout]     |
[INFO] [stdout] 200 | / lazy_static! {
[INFO] [stdout] 201 | |     pub static ref CLOCK_ID : Token = Token {
[INFO] [stdout] 202 | |         typ: TokenType::Identifier,
[INFO] [stdout] 203 | |         lexeme: "clock".to_owned(),
[INFO] [stdout] 204 | |         ..Token::default()
[INFO] [stdout] 205 | |     };
[INFO] [stdout] 206 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[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: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/class.rs:148:1
[INFO] [stdout]     |
[INFO] [stdout] 148 | / lazy_static! {
[INFO] [stdout] 149 | |     pub static ref THIS_ID : Token = Token {
[INFO] [stdout] 150 | |         typ: TokenType::This,
[INFO] [stdout] 151 | |         lexeme: "this".to_owned(),
[INFO] [stdout] ...   |
[INFO] [stdout] 159 | |     };
[INFO] [stdout] 160 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[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: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/class.rs:148:1
[INFO] [stdout]     |
[INFO] [stdout] 148 | / lazy_static! {
[INFO] [stdout] 149 | |     pub static ref THIS_ID : Token = Token {
[INFO] [stdout] 150 | |         typ: TokenType::This,
[INFO] [stdout] 151 | |         lexeme: "this".to_owned(),
[INFO] [stdout] ...   |
[INFO] [stdout] 159 | |     };
[INFO] [stdout] 160 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/result.rs:70:32
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast/expr.rs:76:37
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn accept<T>(&self, v: &mut Visitor<T>) -> T {
[INFO] [stdout]    |                                     ^^^^^^^^^^ help: use `dyn`: `dyn Visitor<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast/stmt.rs:73:37
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn accept<T>(&self, v: &mut Visitor<T>) -> T {
[INFO] [stdout]    |                                     ^^^^^^^^^^ help: use `dyn`: `dyn Visitor<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/ast/token.rs:196:1
[INFO] [stdout]     |
[INFO] [stdout] 196 | / lazy_static! {
[INFO] [stdout] 197 | |     static ref RESERVED: HashMap<&'static str, Type> = [
[INFO] [stdout] 198 | |         ("and", Type::And),
[INFO] [stdout] 199 | |         ("class", Type::Class),
[INFO] [stdout] ...   |
[INFO] [stdout] 215 | |     ].iter().cloned().collect();
[INFO] [stdout] 216 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[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: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/functions.rs:200:1
[INFO] [stdout]     |
[INFO] [stdout] 200 | / lazy_static! {
[INFO] [stdout] 201 | |     pub static ref CLOCK_ID : Token = Token {
[INFO] [stdout] 202 | |         typ: TokenType::Identifier,
[INFO] [stdout] 203 | |         lexeme: "clock".to_owned(),
[INFO] [stdout] 204 | |         ..Token::default()
[INFO] [stdout] 205 | |     };
[INFO] [stdout] 206 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[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: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/result.rs:61:35
[INFO] [stdout]    |
[INFO] [stdout] 61 |             Error::IO(ref e) => e.description(),
[INFO] [stdout]    |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/result.rs:72:35
[INFO] [stdout]    |
[INFO] [stdout] 72 |             Error::IO(ref e) => e.cause(),
[INFO] [stdout]    |                                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/class.rs:148:1
[INFO] [stdout]     |
[INFO] [stdout] 148 | / lazy_static! {
[INFO] [stdout] 149 | |     pub static ref THIS_ID : Token = Token {
[INFO] [stdout] 150 | |         typ: TokenType::This,
[INFO] [stdout] 151 | |         lexeme: "this".to_owned(),
[INFO] [stdout] ...   |
[INFO] [stdout] 159 | |     };
[INFO] [stdout] 160 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[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: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/class.rs:148:1
[INFO] [stdout]     |
[INFO] [stdout] 148 | / lazy_static! {
[INFO] [stdout] 149 | |     pub static ref THIS_ID : Token = Token {
[INFO] [stdout] 150 | |         typ: TokenType::This,
[INFO] [stdout] 151 | |         lexeme: "this".to_owned(),
[INFO] [stdout] ...   |
[INFO] [stdout] 159 | |     };
[INFO] [stdout] 160 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[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: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/result.rs:61:35
[INFO] [stdout]    |
[INFO] [stdout] 61 |             Error::IO(ref e) => e.description(),
[INFO] [stdout]    |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/result.rs:72:35
[INFO] [stdout]    |
[INFO] [stdout] 72 |             Error::IO(ref e) => e.cause(),
[INFO] [stdout]    |                                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.25s
[INFO] running `Command { std: "docker" "inspect" "4943d38d901891a2dd52dde9b3293ef66172cb8e5b65975d6070804e82685e21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4943d38d901891a2dd52dde9b3293ef66172cb8e5b65975d6070804e82685e21", kill_on_drop: false }`
[INFO] [stdout] 4943d38d901891a2dd52dde9b3293ef66172cb8e5b65975d6070804e82685e21