[INFO] cloning repository https://github.com/peterthejohnston/loxr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/peterthejohnston/loxr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeterthejohnston%2Floxr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeterthejohnston%2Floxr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 50a0a6f0f836458901cb2747fd13c80668fb6e9c
[INFO] testing peterthejohnston/loxr against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeterthejohnston%2Floxr" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/peterthejohnston/loxr on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/peterthejohnston/loxr
[INFO] finished tweaking git repo https://github.com/peterthejohnston/loxr
[INFO] tweaked toml for git repo https://github.com/peterthejohnston/loxr written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/peterthejohnston/loxr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] baf8db38cd04a15e75bd43b9aa076df314f8cf1876f8101596384b0ce023e7a2
[INFO] running `Command { std: "docker" "start" "-a" "baf8db38cd04a15e75bd43b9aa076df314f8cf1876f8101596384b0ce023e7a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "baf8db38cd04a15e75bd43b9aa076df314f8cf1876f8101596384b0ce023e7a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baf8db38cd04a15e75bd43b9aa076df314f8cf1876f8101596384b0ce023e7a2", kill_on_drop: false }`
[INFO] [stdout] baf8db38cd04a15e75bd43b9aa076df314f8cf1876f8101596384b0ce023e7a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] 78338566e92a1b5c7d27191cd428f08f7252aedd078b78cf1a6fdbb4656f1b45
[INFO] running `Command { std: "docker" "start" "-a" "78338566e92a1b5c7d27191cd428f08f7252aedd078b78cf1a6fdbb4656f1b45", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Tombstone`
[INFO] [stdout]   --> src/table.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Tombstone, // Marks deleted entries
[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: `delete`
[INFO] [stdout]    --> src/table.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn delete(&mut self, key: &str) -> bool {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `STACK_MAX`
[INFO] [stdout]  --> src/vm.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const STACK_MAX: usize = 256;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.78s
[INFO] running `Command { std: "docker" "inspect" "78338566e92a1b5c7d27191cd428f08f7252aedd078b78cf1a6fdbb4656f1b45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78338566e92a1b5c7d27191cd428f08f7252aedd078b78cf1a6fdbb4656f1b45", kill_on_drop: false }`
[INFO] [stdout] 78338566e92a1b5c7d27191cd428f08f7252aedd078b78cf1a6fdbb4656f1b45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--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] 895a3e407b0c279696b0c211aaa291802ab35e0a62e5f46c85a79048adde9d30
[INFO] running `Command { std: "docker" "start" "-a" "895a3e407b0c279696b0c211aaa291802ab35e0a62e5f46c85a79048adde9d30", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Tombstone`
[INFO] [stdout]   --> src/table.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Tombstone, // Marks deleted entries
[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: `delete`
[INFO] [stdout]    --> src/table.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn delete(&mut self, key: &str) -> bool {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `STACK_MAX`
[INFO] [stdout]  --> src/vm.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const STACK_MAX: usize = 256;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `STACK_MAX`
[INFO] [stdout]  --> src/vm.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const STACK_MAX: usize = 256;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "895a3e407b0c279696b0c211aaa291802ab35e0a62e5f46c85a79048adde9d30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "895a3e407b0c279696b0c211aaa291802ab35e0a62e5f46c85a79048adde9d30", kill_on_drop: false }`
[INFO] [stdout] 895a3e407b0c279696b0c211aaa291802ab35e0a62e5f46c85a79048adde9d30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dfdb80a0e00ffecd3293ce897f55fd56f29ae7858c7a5f5f86b6943c0c20aeba
[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" "dfdb80a0e00ffecd3293ce897f55fd56f29ae7858c7a5f5f86b6943c0c20aeba", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: variant is never constructed: `Tombstone`
[INFO] [stdout] running 2 tests
[INFO] [stderr]   --> src/table.rs:22:5
[INFO] [stdout] test table::tests::delete_entries ... ok
[INFO] [stderr]    |
[INFO] [stdout] test table::tests::lots_of_entries ... ok
[INFO] [stderr] 22 |     Tombstone, // Marks deleted entries
[INFO] [stdout] 
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] running 0 tests
[INFO] [stderr] warning: associated function is never used: `delete`
[INFO] [stdout] 
[INFO] [stderr]    --> src/table.rs:117:8
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 117 |     fn delete(&mut self, key: &str) -> bool {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `STACK_MAX`
[INFO] [stderr]  --> src/vm.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | const STACK_MAX: usize = 256;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `STACK_MAX`
[INFO] [stderr]  --> src/vm.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | const STACK_MAX: usize = 256;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lox-578bb49df20ed8e1)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lox-59bd1195a467be55)
[INFO] [stderr]    Doc-tests lox
[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] running `Command { std: "docker" "inspect" "dfdb80a0e00ffecd3293ce897f55fd56f29ae7858c7a5f5f86b6943c0c20aeba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfdb80a0e00ffecd3293ce897f55fd56f29ae7858c7a5f5f86b6943c0c20aeba", kill_on_drop: false }`
[INFO] [stdout] dfdb80a0e00ffecd3293ce897f55fd56f29ae7858c7a5f5f86b6943c0c20aeba