[INFO] updating cached repository https://github.com/RomanAkberov/lox-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 43ed8f4980a7d004a37f866c030524084d514151
[INFO] testing RomanAkberov/lox-rs against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRomanAkberov%2Flox-rs" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RomanAkberov/lox-rs on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/RomanAkberov/lox-rs
[INFO] finished tweaking git repo https://github.com/RomanAkberov/lox-rs
[INFO] tweaked toml for git repo https://github.com/RomanAkberov/lox-rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/RomanAkberov/lox-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4115a9147e6774a025c102d566dbb2a980d24e4cdcdef6df80c1c4ca3dd7e688
[INFO] running `"docker" "start" "-a" "4115a9147e6774a025c102d566dbb2a980d24e4cdcdef6df80c1c4ca3dd7e688"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling lox-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variant is never constructed: `Return`
[INFO] [stderr]  --> src/instruction.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Return,
[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 dev [unoptimized + debuginfo] target(s) in 23.78s
[INFO] running `"docker" "inspect" "4115a9147e6774a025c102d566dbb2a980d24e4cdcdef6df80c1c4ca3dd7e688"`
[INFO] running `"docker" "rm" "-f" "4115a9147e6774a025c102d566dbb2a980d24e4cdcdef6df80c1c4ca3dd7e688"`
[INFO] [stdout] 4115a9147e6774a025c102d566dbb2a980d24e4cdcdef6df80c1c4ca3dd7e688
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f66a1b16240240fb545ac63210ecab2ee9f22fd8f8a509a639dc082137a01948
[INFO] running `"docker" "start" "-a" "f66a1b16240240fb545ac63210ecab2ee9f22fd8f8a509a639dc082137a01948"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lox-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variant is never constructed: `Return`
[INFO] [stderr]  --> src/instruction.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Return,
[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 1.91s
[INFO] running `"docker" "inspect" "f66a1b16240240fb545ac63210ecab2ee9f22fd8f8a509a639dc082137a01948"`
[INFO] running `"docker" "rm" "-f" "f66a1b16240240fb545ac63210ecab2ee9f22fd8f8a509a639dc082137a01948"`
[INFO] [stdout] f66a1b16240240fb545ac63210ecab2ee9f22fd8f8a509a639dc082137a01948
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d7fca760b7ea884cd61a2e10bae45c7f4eedb5201128545255cc8e3f9c98dd35
[INFO] running `"docker" "start" "-a" "d7fca760b7ea884cd61a2e10bae45c7f4eedb5201128545255cc8e3f9c98dd35"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: variant is never constructed: `Return`
[INFO] [stderr]  --> src/instruction.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Return,
[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 0.50s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lox_rs-a0cf4a1198aab80c
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test scanner::tests::identifier ... ok
[INFO] [stdout] test scanner::tests::empty ... ok
[INFO] [stdout] test scanner::tests::a_plus_b ... ok
[INFO] [stdout] test scanner::tests::comment ... ok
[INFO] [stdout] test scanner::tests::number ... ok
[INFO] [stdout] test scanner::tests::keyword ... ok
[INFO] [stdout] test scanner::tests::string ... ok
[INFO] [stdout] test scanner::tests::plus ... ok
[INFO] [stdout] test scanner::tests::unexpected_character ... ok
[INFO] [stdout] test scanner::tests::unexpected_character_and ... ok
[INFO] [stdout] test scanner::tests::whitespace ... ok
[INFO] [stdout] test scanner::tests::unterminated_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d7fca760b7ea884cd61a2e10bae45c7f4eedb5201128545255cc8e3f9c98dd35"`
[INFO] running `"docker" "rm" "-f" "d7fca760b7ea884cd61a2e10bae45c7f4eedb5201128545255cc8e3f9c98dd35"`
[INFO] [stdout] d7fca760b7ea884cd61a2e10bae45c7f4eedb5201128545255cc8e3f9c98dd35