[INFO] crate stamper 0.2.0 is already in cache
[INFO] testing stamper-0.2.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate stamper 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate stamper 0.2.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate stamper 0.2.0
[INFO] finished tweaking crates.io crate stamper 0.2.0
[INFO] tweaked toml for crates.io crate stamper 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate stamper 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 84dcfa93f2442625c20e212cf6a7e28ecd725fb8a7da6c223af6121d1e8f5aaf
[INFO] running `"docker" "start" "-a" "84dcfa93f2442625c20e212cf6a7e28ecd725fb8a7da6c223af6121d1e8f5aaf"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling stamper v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.30s
[INFO] running `"docker" "inspect" "84dcfa93f2442625c20e212cf6a7e28ecd725fb8a7da6c223af6121d1e8f5aaf"`
[INFO] running `"docker" "rm" "-f" "84dcfa93f2442625c20e212cf6a7e28ecd725fb8a7da6c223af6121d1e8f5aaf"`
[INFO] [stdout] 84dcfa93f2442625c20e212cf6a7e28ecd725fb8a7da6c223af6121d1e8f5aaf
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2020-06-03" "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] b3e07a6210109f06026f71750f49699e7ee7a3b3b04311d6cd220a5589d4d72f
[INFO] running `"docker" "start" "-a" "b3e07a6210109f06026f71750f49699e7ee7a3b3b04311d6cd220a5589d4d72f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling stamper v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "b3e07a6210109f06026f71750f49699e7ee7a3b3b04311d6cd220a5589d4d72f"`
[INFO] running `"docker" "rm" "-f" "b3e07a6210109f06026f71750f49699e7ee7a3b3b04311d6cd220a5589d4d72f"`
[INFO] [stdout] b3e07a6210109f06026f71750f49699e7ee7a3b3b04311d6cd220a5589d4d72f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2020-06-03" "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] 6d28a7f1f3c05f14ae2dcd948398cbd6251527ff7683c2386f9ee002c9dbeb87
[INFO] running `"docker" "start" "-a" "6d28a7f1f3c05f14ae2dcd948398cbd6251527ff7683c2386f9ee002c9dbeb87"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/stamper-c951b7d8236c333f
[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] running `"docker" "inspect" "6d28a7f1f3c05f14ae2dcd948398cbd6251527ff7683c2386f9ee002c9dbeb87"`
[INFO] running `"docker" "rm" "-f" "6d28a7f1f3c05f14ae2dcd948398cbd6251527ff7683c2386f9ee002c9dbeb87"`
[INFO] [stdout] 6d28a7f1f3c05f14ae2dcd948398cbd6251527ff7683c2386f9ee002c9dbeb87