[INFO] updating cached repository https://github.com/luki/calc
[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] e94a9c6cdbcbee76e3fa3ec0df01c6336628f919
[INFO] testing luki/calc against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluki%2Fcalc" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luki/calc on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/luki/calc
[INFO] finished tweaking git repo https://github.com/luki/calc
[INFO] tweaked toml for git repo https://github.com/luki/calc written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/luki/calc already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] 7801fc38ee4224c206f2ae0c41da738d1ccbdbe4e346e96ea0075b4fad5ce3dd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "7801fc38ee4224c206f2ae0c41da738d1ccbdbe4e346e96ea0075b4fad5ce3dd"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `calc`
[INFO] [stderr]  --> src/main.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let calc = Calc::new();
[INFO] [stderr]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_calc`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Add`
[INFO] [stderr]   --> src/operations.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     Add,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Subtract`
[INFO] [stderr]   --> src/operations.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     Subtract,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Multiply`
[INFO] [stderr]   --> src/operations.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     Multiply,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Divide`
[INFO] [stderr]   --> src/operations.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     Divide
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "7801fc38ee4224c206f2ae0c41da738d1ccbdbe4e346e96ea0075b4fad5ce3dd"`
[INFO] running `"docker" "rm" "-f" "7801fc38ee4224c206f2ae0c41da738d1ccbdbe4e346e96ea0075b4fad5ce3dd"`
[INFO] [stdout] 7801fc38ee4224c206f2ae0c41da738d1ccbdbe4e346e96ea0075b4fad5ce3dd
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.44.0" "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] 39838326b180c4571deeed714a3113db486116f5e2c2a481a3c26952674c7e48
[INFO] running `"docker" "start" "-a" "39838326b180c4571deeed714a3113db486116f5e2c2a481a3c26952674c7e48"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `calc`
[INFO] [stderr]  --> src/main.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let calc = Calc::new();
[INFO] [stderr]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_calc`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Add`
[INFO] [stderr]   --> src/operations.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     Add,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Subtract`
[INFO] [stderr]   --> src/operations.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     Subtract,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Multiply`
[INFO] [stderr]   --> src/operations.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     Multiply,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Divide`
[INFO] [stderr]   --> src/operations.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     Divide
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `"docker" "inspect" "39838326b180c4571deeed714a3113db486116f5e2c2a481a3c26952674c7e48"`
[INFO] running `"docker" "rm" "-f" "39838326b180c4571deeed714a3113db486116f5e2c2a481a3c26952674c7e48"`
[INFO] [stdout] 39838326b180c4571deeed714a3113db486116f5e2c2a481a3c26952674c7e48
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.44.0" "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] f074f67a995c709f70092dcd53f8e6cfba48740ef2868cb2037b320bc80307f3
[INFO] running `"docker" "start" "-a" "f074f67a995c709f70092dcd53f8e6cfba48740ef2868cb2037b320bc80307f3"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused variable: `calc`
[INFO] [stderr]  --> src/main.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let calc = Calc::new();
[INFO] [stderr]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_calc`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Add`
[INFO] [stderr]   --> src/operations.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     Add,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Subtract`
[INFO] [stderr]   --> src/operations.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     Subtract,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Multiply`
[INFO] [stderr]   --> src/operations.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     Multiply,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Divide`
[INFO] [stderr]   --> src/operations.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     Divide
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/calc-975dcca0b3ff12a9
[INFO] running `"docker" "inspect" "f074f67a995c709f70092dcd53f8e6cfba48740ef2868cb2037b320bc80307f3"`
[INFO] running `"docker" "rm" "-f" "f074f67a995c709f70092dcd53f8e6cfba48740ef2868cb2037b320bc80307f3"`
[INFO] [stdout] f074f67a995c709f70092dcd53f8e6cfba48740ef2868cb2037b320bc80307f3