[INFO] cloning repository https://github.com/HenrySwanson/rust-lox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HenrySwanson/rust-lox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHenrySwanson%2Frust-lox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHenrySwanson%2Frust-lox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a4c2fc6a0a422c9379e9402bcc914749265284f
[INFO] testing HenrySwanson/rust-lox against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHenrySwanson%2Frust-lox" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HenrySwanson/rust-lox on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/HenrySwanson/rust-lox
[INFO] finished tweaking git repo https://github.com/HenrySwanson/rust-lox
[INFO] tweaked toml for git repo https://github.com/HenrySwanson/rust-lox written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/HenrySwanson/rust-lox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derivative v2.1.1
[INFO] [stderr]   Downloaded more-asserts v0.2.1
[INFO] [stderr]   Downloaded num_enum v0.5.1
[INFO] [stderr]   Downloaded serde v1.0.115
[INFO] [stderr]   Downloaded proc-macro2 v1.0.20
[INFO] [stderr]   Downloaded num_enum_derive v0.5.1
[INFO] [stderr]   Downloaded proc-macro-crate v0.1.5
[INFO] [stderr]   Downloaded syn v1.0.40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 982e51817e32c261e88df1c22313cbf6bd4c752a4c4f864726b5369a3f47b541
[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" "982e51817e32c261e88df1c22313cbf6bd4c752a4c4f864726b5369a3f47b541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "982e51817e32c261e88df1c22313cbf6bd4c752a4c4f864726b5369a3f47b541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "982e51817e32c261e88df1c22313cbf6bd4c752a4c4f864726b5369a3f47b541", kill_on_drop: false }`
[INFO] [stdout] 982e51817e32c261e88df1c22313cbf6bd4c752a4c4f864726b5369a3f47b541
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] 708e8b42b5532be9507ddef082f2ea31cda32784cec0319f303909f7d4418a73
[INFO] running `Command { std: "docker" "start" "-a" "708e8b42b5532be9507ddef082f2ea31cda32784cec0319f303909f7d4418a73", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling more-asserts v0.2.1
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling num_enum_derive v0.5.1
[INFO] [stderr]    Compiling num_enum v0.5.1
[INFO] [stderr]    Compiling rust-lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/bytecode/vm.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/bytecode/vm.rs:264:33
[INFO] [stdout]     |
[INFO] [stdout] 264 | ...                   for i in 0..upvalue_count {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `disassemble`
[INFO] [stdout]    --> src/bytecode/chunk.rs:139:12
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn disassemble(&self, name: &str) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `disassemble_at`
[INFO] [stdout]    --> src/bytecode/chunk.rs:148:12
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn disassemble_at(&self, offset: usize) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `marked`
[INFO] [stdout]   --> src/bytecode/gc.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     marked: Cell<bool>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `borrow_mut`
[INFO] [stdout]   --> src/bytecode/gc.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn borrow_mut(&mut self) -> RefMut<T> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mark`
[INFO] [stdout]   --> src/bytecode/gc.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn mark(&self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unmark`
[INFO] [stdout]   --> src/bytecode/gc.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn unmark(&self) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_marked`
[INFO] [stdout]   --> src/bytecode/gc.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn is_marked(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sweep`
[INFO] [stdout]    --> src/bytecode/gc.rs:119:12
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn sweep(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]   --> src/bytecode/string_interning.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn insert<K>(&mut self, key: K)
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clean`
[INFO] [stdout]   --> src/bytecode/string_interning.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn clean(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/bytecode/string_interning.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.86s
[INFO] running `Command { std: "docker" "inspect" "708e8b42b5532be9507ddef082f2ea31cda32784cec0319f303909f7d4418a73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "708e8b42b5532be9507ddef082f2ea31cda32784cec0319f303909f7d4418a73", kill_on_drop: false }`
[INFO] [stdout] 708e8b42b5532be9507ddef082f2ea31cda32784cec0319f303909f7d4418a73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76c4c083424d92001e2bb1d53d38e0b870597ca4c1a7db17c4c1464165fa4f82
[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" "76c4c083424d92001e2bb1d53d38e0b870597ca4c1a7db17c4c1464165fa4f82", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/bytecode/vm.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/bytecode/vm.rs:264:33
[INFO] [stdout]     |
[INFO] [stdout] 264 | ...                   for i in 0..upvalue_count {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `disassemble`
[INFO] [stdout]    --> src/bytecode/chunk.rs:139:12
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn disassemble(&self, name: &str) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `disassemble_at`
[INFO] [stdout]    --> src/bytecode/chunk.rs:148:12
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn disassemble_at(&self, offset: usize) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.16s
[INFO] running `Command { std: "docker" "inspect" "76c4c083424d92001e2bb1d53d38e0b870597ca4c1a7db17c4c1464165fa4f82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76c4c083424d92001e2bb1d53d38e0b870597ca4c1a7db17c4c1464165fa4f82", kill_on_drop: false }`
[INFO] [stdout] 76c4c083424d92001e2bb1d53d38e0b870597ca4c1a7db17c4c1464165fa4f82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 10d9b70f16742a3c639e1216668bb78c743840d0af80b1a313b3bcef7bb569df
[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" "10d9b70f16742a3c639e1216668bb78c743840d0af80b1a313b3bcef7bb569df", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]  --> src/bytecode/vm.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cell::RefCell;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/bytecode/vm.rs:264:33
[INFO] [stderr]     |
[INFO] [stderr] 264 | ...                   for i in 0..upvalue_count {
[INFO] [stderr]     |                           ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `disassemble`
[INFO] [stderr]    --> src/bytecode/chunk.rs:139:12
[INFO] [stderr]     |
[INFO] [stderr] 139 |     pub fn disassemble(&self, name: &str) {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `disassemble_at`
[INFO] [stderr]    --> src/bytecode/chunk.rs:148:12
[INFO] [stderr]     |
[INFO] [stderr] 148 |     pub fn disassemble_at(&self, offset: usize) -> usize {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_lox-d8548c852fb998b8
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test bytecode::gc::tests::heap_test_simple ... ok
[INFO] [stdout] test common::span::tests::code_position_ordering ... ok
[INFO] [stdout] test common::span::tests::unite_spans ... ok
[INFO] [stdout] test bytecode::string_interning::tests::test_string_interning ... ok
[INFO] [stdout] test bytecode::gc::tests::heap_test_recursive ... ok
[INFO] [stdout] test parser::parser::tests::expression_parsing ... ok
[INFO] [stdout] test common::operator::tests::operators ... ok
[INFO] [stdout] test common::operator::tests::precedence ... ok
[INFO] [stdout] test bytecode::gc::tests::heap_test_cycles ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "10d9b70f16742a3c639e1216668bb78c743840d0af80b1a313b3bcef7bb569df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10d9b70f16742a3c639e1216668bb78c743840d0af80b1a313b3bcef7bb569df", kill_on_drop: false }`
[INFO] [stdout] 10d9b70f16742a3c639e1216668bb78c743840d0af80b1a313b3bcef7bb569df
