[INFO] cloning repository https://github.com/OvaisMemon/temp-conversion-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/OvaisMemon/temp-conversion-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOvaisMemon%2Ftemp-conversion-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOvaisMemon%2Ftemp-conversion-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cc09a4318876930a616a6e19d9886f4270c1842d
[INFO] testing OvaisMemon/temp-conversion-rust against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOvaisMemon%2Ftemp-conversion-rust" "/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/OvaisMemon/temp-conversion-rust 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/OvaisMemon/temp-conversion-rust
[INFO] finished tweaking git repo https://github.com/OvaisMemon/temp-conversion-rust
[INFO] tweaked toml for git repo https://github.com/OvaisMemon/temp-conversion-rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/OvaisMemon/temp-conversion-rust 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-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" "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] 9ee6a93ddfb79006c371998fa8403f25f77c81e0d75d0260b28c949ae16460e6
[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" "9ee6a93ddfb79006c371998fa8403f25f77c81e0d75d0260b28c949ae16460e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ee6a93ddfb79006c371998fa8403f25f77c81e0d75d0260b28c949ae16460e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ee6a93ddfb79006c371998fa8403f25f77c81e0d75d0260b28c949ae16460e6", kill_on_drop: false }`
[INFO] [stdout] 9ee6a93ddfb79006c371998fa8403f25f77c81e0d75d0260b28c949ae16460e6
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c7bce6b0d1e4bbbc62451f1bc281e134e628d63e1a5620806df7822290a4de24
[INFO] running `Command { std: "docker" "start" "-a" "c7bce6b0d1e4bbbc62451f1bc281e134e628d63e1a5620806df7822290a4de24", kill_on_drop: false }`
[INFO] [stderr]    Compiling temperature-conversion v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `temperature` is never read
[INFO] [stdout]   --> main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut temperature:f32 = 0.0;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "c7bce6b0d1e4bbbc62451f1bc281e134e628d63e1a5620806df7822290a4de24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7bce6b0d1e4bbbc62451f1bc281e134e628d63e1a5620806df7822290a4de24", kill_on_drop: false }`
[INFO] [stdout] c7bce6b0d1e4bbbc62451f1bc281e134e628d63e1a5620806df7822290a4de24
[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" "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] 124e917392cd4a11d50df88825912ce471fa9eaa41f1d7828c002b947a427c93
[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" "124e917392cd4a11d50df88825912ce471fa9eaa41f1d7828c002b947a427c93", kill_on_drop: false }`
[INFO] [stderr]    Compiling temperature-conversion v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `temperature` is never read
[INFO] [stdout]   --> main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut temperature:f32 = 0.0;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "124e917392cd4a11d50df88825912ce471fa9eaa41f1d7828c002b947a427c93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "124e917392cd4a11d50df88825912ce471fa9eaa41f1d7828c002b947a427c93", kill_on_drop: false }`
[INFO] [stdout] 124e917392cd4a11d50df88825912ce471fa9eaa41f1d7828c002b947a427c93
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d9564b7faeca3a5cf89938cacccfbe55a27a337da9cdcb6bb4d41f2f52101fb1
[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" "d9564b7faeca3a5cf89938cacccfbe55a27a337da9cdcb6bb4d41f2f52101fb1", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `temperature` is never read
[INFO] [stderr]   --> main.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let mut temperature:f32 = 0.0;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/temperature_conversion-03602a58179123fb
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d9564b7faeca3a5cf89938cacccfbe55a27a337da9cdcb6bb4d41f2f52101fb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9564b7faeca3a5cf89938cacccfbe55a27a337da9cdcb6bb4d41f2f52101fb1", kill_on_drop: false }`
[INFO] [stdout] d9564b7faeca3a5cf89938cacccfbe55a27a337da9cdcb6bb4d41f2f52101fb1