[INFO] cloning repository https://github.com/mamidon/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mamidon/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmamidon%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmamidon%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fbeeb29db044b62e252b1b4719ecc026c1a16963
[INFO] testing mamidon/rlox against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmamidon%2Frlox" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mamidon/rlox on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mamidon/rlox
[INFO] finished tweaking git repo https://github.com/mamidon/rlox
[INFO] tweaked toml for git repo https://github.com/mamidon/rlox written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/mamidon/rlox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e11af0a0f4a2c40cd1e999ed15716219185b373e33018b4d39197b8e6026826e
[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" "e11af0a0f4a2c40cd1e999ed15716219185b373e33018b4d39197b8e6026826e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e11af0a0f4a2c40cd1e999ed15716219185b373e33018b4d39197b8e6026826e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e11af0a0f4a2c40cd1e999ed15716219185b373e33018b4d39197b8e6026826e", kill_on_drop: false }`
[INFO] [stdout] e11af0a0f4a2c40cd1e999ed15716219185b373e33018b4d39197b8e6026826e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1388613a126d9359c446967623a54aaa2ab7015597f99cfd64abac329485070
[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" "b1388613a126d9359c446967623a54aaa2ab7015597f99cfd64abac329485070", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/scanning/seq.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 |     source: &'a mut Iterator<Item=T>,
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=T>`
[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/scanning/seq.rs:9:32
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(source: &'a mut Iterator<Item=T>) -> CharacterSequence<'a, T> {
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/runtime.rs:191:74
[INFO] [stdout]     |
[INFO] [stdout] 191 |     fn binary_numbers_action(left: &LoxValue, right: &LoxValue, action: &Fn(f64, f64) -> f64)
[INFO] [stdout]     |                                                                          ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64, f64) -> f64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/main.rs:37:84
[INFO] [stdout]    |
[INFO] [stdout] 37 |         std::io::stdout().flush().expect("There was a problem writing to console");;
[INFO] [stdout]    |                                                                                    ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "b1388613a126d9359c446967623a54aaa2ab7015597f99cfd64abac329485070", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1388613a126d9359c446967623a54aaa2ab7015597f99cfd64abac329485070", kill_on_drop: false }`
[INFO] [stdout] b1388613a126d9359c446967623a54aaa2ab7015597f99cfd64abac329485070
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fb13d9bbe4cfc0904a0c09b96278d1b5ec8f966958d394691f3c5230fcf4cbe
[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" "4fb13d9bbe4cfc0904a0c09b96278d1b5ec8f966958d394691f3c5230fcf4cbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/scanning/seq.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 |     source: &'a mut Iterator<Item=T>,
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=T>`
[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/scanning/seq.rs:9:32
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(source: &'a mut Iterator<Item=T>) -> CharacterSequence<'a, T> {
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/runtime.rs:191:74
[INFO] [stdout]     |
[INFO] [stdout] 191 |     fn binary_numbers_action(left: &LoxValue, right: &LoxValue, action: &Fn(f64, f64) -> f64)
[INFO] [stdout]     |                                                                          ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64, f64) -> f64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/main.rs:37:84
[INFO] [stdout]    |
[INFO] [stdout] 37 |         std::io::stdout().flush().expect("There was a problem writing to console");;
[INFO] [stdout]    |                                                                                    ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "4fb13d9bbe4cfc0904a0c09b96278d1b5ec8f966958d394691f3c5230fcf4cbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fb13d9bbe4cfc0904a0c09b96278d1b5ec8f966958d394691f3c5230fcf4cbe", kill_on_drop: false }`
[INFO] [stdout] 4fb13d9bbe4cfc0904a0c09b96278d1b5ec8f966958d394691f3c5230fcf4cbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 86f21243c7351a5947f30492c1c57119ba4dee60cf62bd1b1c029d280e886243
[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" "86f21243c7351a5947f30492c1c57119ba4dee60cf62bd1b1c029d280e886243", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] running 10 tests
[INFO] [stderr]  --> src/scanning/seq.rs:5:21
[INFO] [stdout] test scanning::tests::scanner_ignore_comments ... ok
[INFO] [stderr]   |
[INFO] [stdout] test scanning::seq::tests::sequence_iterates_in_correct_order ... ok
[INFO] [stderr] 5 |     source: &'a mut Iterator<Item=T>,
[INFO] [stderr]   |                     ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=T>`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/scanning/seq.rs:9:32
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn new(source: &'a mut Iterator<Item=T>) -> CharacterSequence<'a, T> {
[INFO] [stderr]   |                                ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/runtime.rs:191:74
[INFO] [stderr]     |
[INFO] [stderr] 191 |     fn binary_numbers_action(left: &LoxValue, right: &LoxValue, action: &Fn(f64, f64) -> f64)
[INFO] [stderr]     |                                                                          ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64, f64) -> f64`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/main.rs:37:84
[INFO] [stderr]    |
[INFO] [stderr] 37 |         std::io::stdout().flush().expect("There was a problem writing to console");;
[INFO] [stderr]    |                                                                                    ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rlox-5b51922682ecdd19
[INFO] [stdout] test scanning::tests::scanner_ignore_comments_at_file_end ... ok
[INFO] [stdout] test scanning::seq::tests::sequence_peek_next_shows_next_item_to_be_returned ... ok
[INFO] [stdout] test scanning::seq::tests::sequence_maintains_previous_item_when_iteration_complete ... ok
[INFO] [stdout] test scanning::seq::tests::sequence_peek_ahead_shows_item_after_next_to_be_returned ... ok
[INFO] [stdout] test scanning::tests::scanner_ignores_whitespace ... ok
[INFO] [stdout] test scanning::tests::scanner_recognizes_double_character_tokens ... ok
[INFO] [stdout] test scanning::tests::scanner_recognizes_single_character_tokens ... ok
[INFO] [stdout] test scanning::tests::scanner_finds_string_literals ... test scanning::tests::scanner_finds_string_literals has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "86f21243c7351a5947f30492c1c57119ba4dee60cf62bd1b1c029d280e886243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86f21243c7351a5947f30492c1c57119ba4dee60cf62bd1b1c029d280e886243", kill_on_drop: false }`
[INFO] [stdout] 86f21243c7351a5947f30492c1c57119ba4dee60cf62bd1b1c029d280e886243