[INFO] fetching crate lox-lang 0.0.3...
[INFO] testing lox-lang-0.0.3 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate lox-lang 0.0.3 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate lox-lang 0.0.3 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lox-lang 0.0.3
[INFO] finished tweaking crates.io crate lox-lang 0.0.3
[INFO] tweaked toml for crates.io crate lox-lang 0.0.3 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate lox-lang 0.0.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be4b43351cd68a54a7979c7aabd24a81b8ef03e18eaca961dbd62f5fbb4f12c1
[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" "be4b43351cd68a54a7979c7aabd24a81b8ef03e18eaca961dbd62f5fbb4f12c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be4b43351cd68a54a7979c7aabd24a81b8ef03e18eaca961dbd62f5fbb4f12c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be4b43351cd68a54a7979c7aabd24a81b8ef03e18eaca961dbd62f5fbb4f12c1", kill_on_drop: false }`
[INFO] [stdout] be4b43351cd68a54a7979c7aabd24a81b8ef03e18eaca961dbd62f5fbb4f12c1
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--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] 489904f7425434cda99821786c19e01fc8d9e545d228ad448e4ac9e398725913
[INFO] running `Command { std: "docker" "start" "-a" "489904f7425434cda99821786c19e01fc8d9e545d228ad448e4ac9e398725913", 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] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling fs_extra v1.1.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling os_str_bytes v2.3.0
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling term v0.6.1
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling simplelog v0.7.6
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.1
[INFO] [stderr]    Compiling clap v3.0.0-beta.1
[INFO] [stderr]    Compiling jemallocator v0.3.2
[INFO] [stderr]    Compiling lox-lang v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `CallStackOverflow`
[INFO] [stdout]   --> src/vm/errors.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     CallStackOverflow,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ValueStackOverflow`
[INFO] [stdout]   --> src/vm/errors.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     ValueStackOverflow,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 42s
[INFO] running `Command { std: "docker" "inspect" "489904f7425434cda99821786c19e01fc8d9e545d228ad448e4ac9e398725913", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "489904f7425434cda99821786c19e01fc8d9e545d228ad448e4ac9e398725913", kill_on_drop: false }`
[INFO] [stdout] 489904f7425434cda99821786c19e01fc8d9e545d228ad448e4ac9e398725913
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f6212b6aa397e6ede8cb9fe0063139ce7e4067c5f082be44d5fc8672feb3f82
[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" "2f6212b6aa397e6ede8cb9fe0063139ce7e4067c5f082be44d5fc8672feb3f82", kill_on_drop: false }`
[INFO] [stderr]    Compiling lox-lang v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `CallStackOverflow`
[INFO] [stdout]   --> src/vm/errors.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     CallStackOverflow,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ValueStackOverflow`
[INFO] [stdout]   --> src/vm/errors.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     ValueStackOverflow,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CallStackOverflow`
[INFO] [stdout]   --> src/vm/errors.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     CallStackOverflow,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ValueStackOverflow`
[INFO] [stdout]   --> src/vm/errors.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     ValueStackOverflow,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.00s
[INFO] running `Command { std: "docker" "inspect" "2f6212b6aa397e6ede8cb9fe0063139ce7e4067c5f082be44d5fc8672feb3f82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f6212b6aa397e6ede8cb9fe0063139ce7e4067c5f082be44d5fc8672feb3f82", kill_on_drop: false }`
[INFO] [stdout] 2f6212b6aa397e6ede8cb9fe0063139ce7e4067c5f082be44d5fc8672feb3f82
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8dbc1505116555da33ae80dd052abef2da841a1629f119f28886b35b22a78613
[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" "8dbc1505116555da33ae80dd052abef2da841a1629f119f28886b35b22a78613", kill_on_drop: false }`
[INFO] [stderr] warning: variant is never constructed: `CallStackOverflow`
[INFO] [stderr]   --> src/vm/errors.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     CallStackOverflow,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ValueStackOverflow`
[INFO] [stderr]   --> src/vm/errors.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     ValueStackOverflow,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `lox-lang` (lib) generated 2 warnings
[INFO] [stderr] warning: `lox-lang` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lox_lang-215b4b9053527d86)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/loxi-894dd65961221928)
[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] [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] [stderr]      Running tests/classes.rs (/opt/rustwide/target/debug/deps/classes-356a4a9eabfde5b0)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test define_methods ... ok
[INFO] [stdout] test inherit ... ok
[INFO] [stdout] test this ... ok
[INFO] [stdout] test init ... ok
[INFO] [stdout] test properties ... ok
[INFO] [stdout] test say_name ... ok
[INFO] [stdout] test instance ... ok
[INFO] [stdout] test no_this ... ok
[INFO] [stdout] test invoke_field ... ok
[INFO] [stdout] test super_access ... ok
[INFO] [stdout] test super_call ... ok
[INFO] [stdout] test setter ... ok
[INFO] [stdout] test super_doughnut ... ok
[INFO] [stdout] test object ... ok
[INFO] [stderr]      Running tests/closure.rs (/opt/rustwide/target/debug/deps/closure-dc55e842c9d8b239)
[INFO] [stdout] test bad_getter - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test inner_outer ... ok
[INFO] [stdout] test deferred_declaration ... ok
[INFO] [stdout] test fun_argument ... ok
[INFO] [stdout] test local ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/function.rs (/opt/rustwide/target/debug/deps/function-a8da4b9972811c57)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test no_return ... ok
[INFO] [stdout] test print ... ok
[INFO] [stdout] test sum ... ok
[INFO] [stderr]    Doc-tests lox-lang
[INFO] [stdout] test not_a_function - should panic ... ok
[INFO] [stdout] test top_level_return - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lox_core/mod.rs - lox_core::NativeFun (line 299) ... ok
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] test src/vm/mod.rs - vm::VM::define_global (line 117) ... ok
[INFO] [stdout] test src/vm/io.rs - vm::io::VM::buffer_output (line 19) ... ok
[INFO] [stdout] test src/vm/mod.rs - vm::VM (line 22) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.39s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8dbc1505116555da33ae80dd052abef2da841a1629f119f28886b35b22a78613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dbc1505116555da33ae80dd052abef2da841a1629f119f28886b35b22a78613", kill_on_drop: false }`
[INFO] [stdout] 8dbc1505116555da33ae80dd052abef2da841a1629f119f28886b35b22a78613