[INFO] updating cached repository https://github.com/kgtkr/op_abstraction
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] 9ce8b6763ea8f6a7ea3af47efb12a5cdc92ef059
[INFO] testing kgtkr/op_abstraction against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkgtkr%2Fop_abstraction" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kgtkr/op_abstraction on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/kgtkr/op_abstraction
[INFO] finished tweaking git repo https://github.com/kgtkr/op_abstraction
[INFO] tweaked toml for git repo https://github.com/kgtkr/op_abstraction written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/kgtkr/op_abstraction already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 7eaf6bb11e291ee74cd2bd2a02da211d4ae4cdf99e088ce43fc4011310de0721
[INFO] running `"docker" "start" "-a" "7eaf6bb11e291ee74cd2bd2a02da211d4ae4cdf99e088ce43fc4011310de0721"`
[INFO] [stderr]    Compiling op_abstraction v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `op`
[INFO] [stderr]  --> src/main.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn op(i: i32, a: i64, b: i64) -> i64 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `"docker" "inspect" "7eaf6bb11e291ee74cd2bd2a02da211d4ae4cdf99e088ce43fc4011310de0721"`
[INFO] running `"docker" "rm" "-f" "7eaf6bb11e291ee74cd2bd2a02da211d4ae4cdf99e088ce43fc4011310de0721"`
[INFO] [stdout] 7eaf6bb11e291ee74cd2bd2a02da211d4ae4cdf99e088ce43fc4011310de0721
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 62c0c76a8252a57c74fe8dbe7fcd86290be69328c77fd11bc09a855804d4aa2b
[INFO] running `"docker" "start" "-a" "62c0c76a8252a57c74fe8dbe7fcd86290be69328c77fd11bc09a855804d4aa2b"`
[INFO] [stderr]    Compiling op_abstraction v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `"docker" "inspect" "62c0c76a8252a57c74fe8dbe7fcd86290be69328c77fd11bc09a855804d4aa2b"`
[INFO] running `"docker" "rm" "-f" "62c0c76a8252a57c74fe8dbe7fcd86290be69328c77fd11bc09a855804d4aa2b"`
[INFO] [stdout] 62c0c76a8252a57c74fe8dbe7fcd86290be69328c77fd11bc09a855804d4aa2b
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 8a401d4d84fde17ab19e93f5c9075b705c0de50e25e8ce04aff7fbfa43c2851c
[INFO] running `"docker" "start" "-a" "8a401d4d84fde17ab19e93f5c9075b705c0de50e25e8ce04aff7fbfa43c2851c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/op_abstraction-34949a86035d7aa0
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::op_2 ... ok
[INFO] [stdout] test tests::op_1 ... ok
[INFO] [stdout] test tests::op_3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "8a401d4d84fde17ab19e93f5c9075b705c0de50e25e8ce04aff7fbfa43c2851c"`
[INFO] running `"docker" "rm" "-f" "8a401d4d84fde17ab19e93f5c9075b705c0de50e25e8ce04aff7fbfa43c2851c"`
[INFO] [stdout] 8a401d4d84fde17ab19e93f5c9075b705c0de50e25e8ce04aff7fbfa43c2851c