[INFO] fetching crate lua_engine 0.1.1...
[INFO] testing lua_engine-0.1.1 against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940
[INFO] extracting crate lua_engine 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate lua_engine 0.1.1 on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lua_engine 0.1.1
[INFO] finished tweaking crates.io crate lua_engine 0.1.1
[INFO] tweaked toml for crates.io crate lua_engine 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 027b080b26d52965f19c793d8ce8b3cdef89ae824f8b7d1ac5787dc3391f358a
[INFO] running `Command { std: "docker" "start" "-a" "027b080b26d52965f19c793d8ce8b3cdef89ae824f8b7d1ac5787dc3391f358a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "027b080b26d52965f19c793d8ce8b3cdef89ae824f8b7d1ac5787dc3391f358a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "027b080b26d52965f19c793d8ce8b3cdef89ae824f8b7d1ac5787dc3391f358a", kill_on_drop: false }`
[INFO] [stdout] 027b080b26d52965f19c793d8ce8b3cdef89ae824f8b7d1ac5787dc3391f358a
[INFO] testing lua_engine-0.1.1 against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940
[INFO] extracting crate lua_engine 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate lua_engine 0.1.1 on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lua_engine 0.1.1
[INFO] finished tweaking crates.io crate lua_engine 0.1.1
[INFO] tweaked toml for crates.io crate lua_engine 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to write /workspace/builds/worker-2-tc2/source/Cargo.lock
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] testing lua_engine-0.1.1 against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940
[INFO] extracting crate lua_engine 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate lua_engine 0.1.1 on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lua_engine 0.1.1
[INFO] finished tweaking crates.io crate lua_engine 0.1.1
[INFO] tweaked toml for crates.io crate lua_engine 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eee7440ccdf855a3843425e7bdfc29ac0336b018cd9e316b6089a0e20f7d620e
[INFO] running `Command { std: "docker" "start" "-a" "eee7440ccdf855a3843425e7bdfc29ac0336b018cd9e316b6089a0e20f7d620e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eee7440ccdf855a3843425e7bdfc29ac0336b018cd9e316b6089a0e20f7d620e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eee7440ccdf855a3843425e7bdfc29ac0336b018cd9e316b6089a0e20f7d620e", kill_on_drop: false }`
[INFO] [stdout] eee7440ccdf855a3843425e7bdfc29ac0336b018cd9e316b6089a0e20f7d620e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 678e0cd0cb02dd41b16e8d4130046c29226aac447e60ff3cd00097162faf06fc
[INFO] running `Command { std: "docker" "start" "-a" "678e0cd0cb02dd41b16e8d4130046c29226aac447e60ff3cd00097162faf06fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling lua_engine_macros v0.1.0
[INFO] [stderr]    Compiling lua_engine v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/evaluation/interpreter.rs:704:92
[INFO] [stdout]     |
[INFO] [stdout] 704 |     fn get_variable_value<'a>(&'a self, variable: &String, runtime: &'a Runtime) -> Option<&Value> {
[INFO] [stdout]     |                           -- lifetime `'a` declared here                                   ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/parsing/lexer.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 111 | impl Token {
[INFO] [stdout]     | ---------- associated function in this implementation
[INFO] [stdout] 112 |     // used for testing
[INFO] [stdout] 113 |     fn new(token_type: TokenType, literal: String) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.94s
[INFO] running `Command { std: "docker" "inspect" "678e0cd0cb02dd41b16e8d4130046c29226aac447e60ff3cd00097162faf06fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "678e0cd0cb02dd41b16e8d4130046c29226aac447e60ff3cd00097162faf06fc", kill_on_drop: false }`
[INFO] [stdout] 678e0cd0cb02dd41b16e8d4130046c29226aac447e60ff3cd00097162faf06fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17d90bab7e23574831310885cce1bbc7ce31839fac0327b93189eaeed94365e3
[INFO] running `Command { std: "docker" "start" "-a" "17d90bab7e23574831310885cce1bbc7ce31839fac0327b93189eaeed94365e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling lua_engine v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/evaluation/interpreter.rs:704:92
[INFO] [stdout]     |
[INFO] [stdout] 704 |     fn get_variable_value<'a>(&'a self, variable: &String, runtime: &'a Runtime) -> Option<&Value> {
[INFO] [stdout]     |                           -- lifetime `'a` declared here                                   ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/parsing/lexer.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 111 | impl Token {
[INFO] [stdout]     | ---------- associated function in this implementation
[INFO] [stdout] 112 |     // used for testing
[INFO] [stdout] 113 |     fn new(token_type: TokenType, literal: String) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/evaluation/interpreter.rs:704:92
[INFO] [stdout]     |
[INFO] [stdout] 704 |     fn get_variable_value<'a>(&'a self, variable: &String, runtime: &'a Runtime) -> Option<&Value> {
[INFO] [stdout]     |                           -- lifetime `'a` declared here                                   ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ret`
[INFO] [stdout]    --> src/parsing/parser.rs:749:13
[INFO] [stdout]     |
[INFO] [stdout] 749 |         let ret = stmt.as_any().downcast_ref::<ReturnStatement>().unwrap();
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_ret`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "17d90bab7e23574831310885cce1bbc7ce31839fac0327b93189eaeed94365e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17d90bab7e23574831310885cce1bbc7ce31839fac0327b93189eaeed94365e3", kill_on_drop: false }`
[INFO] [stdout] 17d90bab7e23574831310885cce1bbc7ce31839fac0327b93189eaeed94365e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9c71f8bdc9c4eef548969713d083bdc80b7ef906579522b60b654b52c24d5ba3
[INFO] running `Command { std: "docker" "start" "-a" "9c71f8bdc9c4eef548969713d083bdc80b7ef906579522b60b654b52c24d5ba3", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/f0903a2186fa37956b2ee43b7d532c1255a312cc64ab62d42428592c65779798/merged: no space left on device
[INFO] running `Command { std: "docker" "inspect" "9c71f8bdc9c4eef548969713d083bdc80b7ef906579522b60b654b52c24d5ba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c71f8bdc9c4eef548969713d083bdc80b7ef906579522b60b654b52c24d5ba3", kill_on_drop: false }`
[INFO] [stdout] 9c71f8bdc9c4eef548969713d083bdc80b7ef906579522b60b654b52c24d5ba3