[INFO] updating cached repository https://github.com/DCP-solved-with-Rust/dcp_00002
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8620acbdc85adbd9cf97c32bddc57681a9860515
[INFO] testing DCP-solved-with-Rust/dcp_00002 against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDCP-solved-with-Rust%2Fdcp_00002" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DCP-solved-with-Rust/dcp_00002 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DCP-solved-with-Rust/dcp_00002
[INFO] finished tweaking git repo https://github.com/DCP-solved-with-Rust/dcp_00002
[INFO] tweaked toml for git repo https://github.com/DCP-solved-with-Rust/dcp_00002 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/DCP-solved-with-Rust/dcp_00002 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fa75321224531a3ca1b65b3aca60a9ad41e6d51ff6c6e8b979b0b3314ab803f
[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" "1fa75321224531a3ca1b65b3aca60a9ad41e6d51ff6c6e8b979b0b3314ab803f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fa75321224531a3ca1b65b3aca60a9ad41e6d51ff6c6e8b979b0b3314ab803f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fa75321224531a3ca1b65b3aca60a9ad41e6d51ff6c6e8b979b0b3314ab803f", kill_on_drop: false }`
[INFO] [stdout] 1fa75321224531a3ca1b65b3aca60a9ad41e6d51ff6c6e8b979b0b3314ab803f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1affe3c921e067f36131d71bee928d778e65e8d12ce85d807732934e78a2f30e
[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" "1affe3c921e067f36131d71bee928d778e65e8d12ce85d807732934e78a2f30e", kill_on_drop: false }`
[INFO] [stderr]    Compiling dcp_00002 v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:71:16
[INFO] [stdout]    |
[INFO] [stdout] 71 |     for (&num, mut prod_i) in nums.iter().rev().zip(prod_right_side.iter_mut().rev())
[INFO] [stdout]    |                ----^^^^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "1affe3c921e067f36131d71bee928d778e65e8d12ce85d807732934e78a2f30e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1affe3c921e067f36131d71bee928d778e65e8d12ce85d807732934e78a2f30e", kill_on_drop: false }`
[INFO] [stdout] 1affe3c921e067f36131d71bee928d778e65e8d12ce85d807732934e78a2f30e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 981dda6b1068cd4b23abfad16677ca7cee4b780c0eec3e67ba177854bda2a250
[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" "981dda6b1068cd4b23abfad16677ca7cee4b780c0eec3e67ba177854bda2a250", kill_on_drop: false }`
[INFO] [stderr]    Compiling dcp_00002 v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:71:16
[INFO] [stdout]    |
[INFO] [stdout] 71 |     for (&num, mut prod_i) in nums.iter().rev().zip(prod_right_side.iter_mut().rev())
[INFO] [stdout]    |                ----^^^^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` 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 0.92s
[INFO] running `Command { std: "docker" "inspect" "981dda6b1068cd4b23abfad16677ca7cee4b780c0eec3e67ba177854bda2a250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "981dda6b1068cd4b23abfad16677ca7cee4b780c0eec3e67ba177854bda2a250", kill_on_drop: false }`
[INFO] [stdout] 981dda6b1068cd4b23abfad16677ca7cee4b780c0eec3e67ba177854bda2a250
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", 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] 9ae69d08837ce777a3275d35fe20a98603047878cfdb052d0e0686505f05aa2f
[INFO] running `Command { std: "docker" "start" "-a" "9ae69d08837ce777a3275d35fe20a98603047878cfdb052d0e0686505f05aa2f", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:71:16
[INFO] [stderr]    |
[INFO] [stderr] 71 |     for (&num, mut prod_i) in nums.iter().rev().zip(prod_right_side.iter_mut().rev())
[INFO] [stderr]    |                ----^^^^^^
[INFO] [stderr]    |                |
[INFO] [stderr]    |                help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dcp_00002-2cb965395e50b41c
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test given_example_two ... ok
[INFO] [stdout] test given_example_one ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9ae69d08837ce777a3275d35fe20a98603047878cfdb052d0e0686505f05aa2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ae69d08837ce777a3275d35fe20a98603047878cfdb052d0e0686505f05aa2f", kill_on_drop: false }`
[INFO] [stdout] 9ae69d08837ce777a3275d35fe20a98603047878cfdb052d0e0686505f05aa2f