[INFO] cloning repository https://github.com/Dave98-dev/BukkeScript
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dave98-dev/BukkeScript" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDave98-dev%2FBukkeScript", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDave98-dev%2FBukkeScript'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cac6a11a8413ca2d9d1b0e7ff38a7369f64993cc
[INFO] testing Dave98-dev/BukkeScript against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDave98-dev%2FBukkeScript" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Dave98-dev/BukkeScript on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Dave98-dev/BukkeScript
[INFO] finished tweaking git repo https://github.com/Dave98-dev/BukkeScript
[INFO] tweaked toml for git repo https://github.com/Dave98-dev/BukkeScript written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Dave98-dev/BukkeScript already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c56051cf07bedbb3b6964e21271ef096fb3df4b7b11febc0b17d95ceb7431a7
[INFO] running `Command { std: "docker" "start" "-a" "6c56051cf07bedbb3b6964e21271ef096fb3df4b7b11febc0b17d95ceb7431a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c56051cf07bedbb3b6964e21271ef096fb3df4b7b11febc0b17d95ceb7431a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c56051cf07bedbb3b6964e21271ef096fb3df4b7b11febc0b17d95ceb7431a7", kill_on_drop: false }`
[INFO] [stdout] 6c56051cf07bedbb3b6964e21271ef096fb3df4b7b11febc0b17d95ceb7431a7
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc606805ad017134d8896bfe5a731421823937415097c2b153476ac4dfd63ab4
[INFO] running `Command { std: "docker" "start" "-a" "bc606805ad017134d8896bfe5a731421823937415097c2b153476ac4dfd63ab4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling eval_string v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/scope_implementation.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |             &self.jumps.entry(s).or_insert(line_number);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 31 |             let _ = &self.jumps.entry(s).or_insert(line_number);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "bc606805ad017134d8896bfe5a731421823937415097c2b153476ac4dfd63ab4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc606805ad017134d8896bfe5a731421823937415097c2b153476ac4dfd63ab4", kill_on_drop: false }`
[INFO] [stdout] bc606805ad017134d8896bfe5a731421823937415097c2b153476ac4dfd63ab4
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f605a00f90d162484958e171bedf1bb95586ede366e2d9370fcfd068f8c8afb
[INFO] running `Command { std: "docker" "start" "-a" "8f605a00f90d162484958e171bedf1bb95586ede366e2d9370fcfd068f8c8afb", kill_on_drop: false }`
[INFO] [stderr]    Compiling eval_string v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/scope_implementation.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |             &self.jumps.entry(s).or_insert(line_number);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 31 |             let _ = &self.jumps.entry(s).or_insert(line_number);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "8f605a00f90d162484958e171bedf1bb95586ede366e2d9370fcfd068f8c8afb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f605a00f90d162484958e171bedf1bb95586ede366e2d9370fcfd068f8c8afb", kill_on_drop: false }`
[INFO] [stdout] 8f605a00f90d162484958e171bedf1bb95586ede366e2d9370fcfd068f8c8afb
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f99574edfe6c202d29637fadec1d5dc583593e97d7f1c798b5f85e3c2e07f5e9
[INFO] running `Command { std: "docker" "start" "-a" "f99574edfe6c202d29637fadec1d5dc583593e97d7f1c798b5f85e3c2e07f5e9", kill_on_drop: false }`
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> src/scope_implementation.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |             &self.jumps.entry(s).or_insert(line_number);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 31 |             let _ = &self.jumps.entry(s).or_insert(line_number);
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `eval_string` (bin "eval_string" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/eval_string-e9cd78adbea3cb2c)
[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" "f99574edfe6c202d29637fadec1d5dc583593e97d7f1c798b5f85e3c2e07f5e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f99574edfe6c202d29637fadec1d5dc583593e97d7f1c798b5f85e3c2e07f5e9", kill_on_drop: false }`
[INFO] [stdout] f99574edfe6c202d29637fadec1d5dc583593e97d7f1c798b5f85e3c2e07f5e9