[INFO] updating cached repository https://github.com/safe-k/nugmail
[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] 00546c6399ea5da066e42b6cc8227fac07916505
[INFO] testing safe-k/nugmail against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsafe-k%2Fnugmail" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/safe-k/nugmail 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 git repo https://github.com/safe-k/nugmail
[INFO] finished tweaking git repo https://github.com/safe-k/nugmail
[INFO] tweaked toml for git repo https://github.com/safe-k/nugmail written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/safe-k/nugmail 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] b534dc6fff8cd82570f9f85df3e3ead720f7db5cca23ed0d64d9239e54c00497
[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" "b534dc6fff8cd82570f9f85df3e3ead720f7db5cca23ed0d64d9239e54c00497"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling futures-io v0.3.4
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling curl v0.4.28
[INFO] [stderr]    Compiling isahc v0.9.1
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.3
[INFO] [stderr]    Compiling curl-sys v0.4.30+curl-7.69.1
[INFO] [stderr]    Compiling libsqlite3-sys v0.17.1
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling clicolors-control v1.0.1
[INFO] [stderr]    Compiling socket2 v0.3.11
[INFO] [stderr]    Compiling termios v0.3.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling termion v1.5.5
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rusqlite v0.21.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]    Compiling console v0.10.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling dialoguer v0.5.0
[INFO] [stderr]    Compiling sluice v0.5.2
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling serde_json v1.0.50
[INFO] [stderr]    Compiling nugmail v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `"docker" "inspect" "b534dc6fff8cd82570f9f85df3e3ead720f7db5cca23ed0d64d9239e54c00497"`
[INFO] running `"docker" "rm" "-f" "b534dc6fff8cd82570f9f85df3e3ead720f7db5cca23ed0d64d9239e54c00497"`
[INFO] [stdout] b534dc6fff8cd82570f9f85df3e3ead720f7db5cca23ed0d64d9239e54c00497
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 94c2d9243db4cf03afa7ef04af4b685af47e8a3de0142cd4b507a72c20b4a3e5
[INFO] running `"docker" "start" "-a" "94c2d9243db4cf03afa7ef04af4b685af47e8a3de0142cd4b507a72c20b4a3e5"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling nugmail v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `"docker" "inspect" "94c2d9243db4cf03afa7ef04af4b685af47e8a3de0142cd4b507a72c20b4a3e5"`
[INFO] running `"docker" "rm" "-f" "94c2d9243db4cf03afa7ef04af4b685af47e8a3de0142cd4b507a72c20b4a3e5"`
[INFO] [stdout] 94c2d9243db4cf03afa7ef04af4b685af47e8a3de0142cd4b507a72c20b4a3e5
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] a27b44a3e34474f5a9711102d7c47dd840fdcb7eb5ef0e2f16a66198b49d5b23
[INFO] running `"docker" "start" "-a" "a27b44a3e34474f5a9711102d7c47dd840fdcb7eb5ef0e2f16a66198b49d5b23"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nugmail-96da0c409481f5d9
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nugmail-720d77f8da5831f5
[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] [stdout] 
[INFO] [stderr]    Doc-tests nugmail
[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] [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" "a27b44a3e34474f5a9711102d7c47dd840fdcb7eb5ef0e2f16a66198b49d5b23"`
[INFO] running `"docker" "rm" "-f" "a27b44a3e34474f5a9711102d7c47dd840fdcb7eb5ef0e2f16a66198b49d5b23"`
[INFO] [stdout] a27b44a3e34474f5a9711102d7c47dd840fdcb7eb5ef0e2f16a66198b49d5b23