[INFO] cloning repository https://github.com/antifuchs/tmux_min_attacher
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/antifuchs/tmux_min_attacher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantifuchs%2Ftmux_min_attacher"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantifuchs%2Ftmux_min_attacher'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] df713cc220c7300971e2b1a8df85f95da29f6a27
[INFO] testing antifuchs/tmux_min_attacher against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantifuchs%2Ftmux_min_attacher" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/antifuchs/tmux_min_attacher 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/antifuchs/tmux_min_attacher
[INFO] finished tweaking git repo https://github.com/antifuchs/tmux_min_attacher
[INFO] tweaked toml for git repo https://github.com/antifuchs/tmux_min_attacher written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/antifuchs/tmux_min_attacher 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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] c782b6d57fae845e4405a4acfbb8a0d72c6506971fea1b07dad75bbca79178bf
[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" "c782b6d57fae845e4405a4acfbb8a0d72c6506971fea1b07dad75bbca79178bf"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling tmux_min_attacher v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:47:60
[INFO] [stderr]    |
[INFO] [stderr] 47 |         println!("execvp of {:?} failed: {:?}", program, e.description())
[INFO] [stderr]    |                                                            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.28s
[INFO] running `"docker" "inspect" "c782b6d57fae845e4405a4acfbb8a0d72c6506971fea1b07dad75bbca79178bf"`
[INFO] running `"docker" "rm" "-f" "c782b6d57fae845e4405a4acfbb8a0d72c6506971fea1b07dad75bbca79178bf"`
[INFO] [stdout] c782b6d57fae845e4405a4acfbb8a0d72c6506971fea1b07dad75bbca79178bf
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 88d18522127b916ee9008bd0169f0f57f62e088305d6dedabf4eb0e40a187232
[INFO] running `"docker" "start" "-a" "88d18522127b916ee9008bd0169f0f57f62e088305d6dedabf4eb0e40a187232"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling tmux_min_attacher v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:47:60
[INFO] [stderr]    |
[INFO] [stderr] 47 |         println!("execvp of {:?} failed: {:?}", program, e.description())
[INFO] [stderr]    |                                                            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `"docker" "inspect" "88d18522127b916ee9008bd0169f0f57f62e088305d6dedabf4eb0e40a187232"`
[INFO] running `"docker" "rm" "-f" "88d18522127b916ee9008bd0169f0f57f62e088305d6dedabf4eb0e40a187232"`
[INFO] [stdout] 88d18522127b916ee9008bd0169f0f57f62e088305d6dedabf4eb0e40a187232
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] dddbddc8ee09b1457acecaede87d2f8893737586de5e7a9d24fc8d93f9fc2e8f
[INFO] running `"docker" "start" "-a" "dddbddc8ee09b1457acecaede87d2f8893737586de5e7a9d24fc8d93f9fc2e8f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:47:60
[INFO] [stderr]    |
[INFO] [stderr] 47 |         println!("execvp of {:?} failed: {:?}", program, e.description())
[INFO] [stderr]    |                                                            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tmux_min_attacher-91e576ab8f0169b0
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_session_number_with_attached_session ... ok
[INFO] [stdout] test test_session_number_with_strings ... ok
[INFO] [stdout] test test_detached_sessions ... ok
[INFO] [stdout] test test_session_number_with_numbers ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "dddbddc8ee09b1457acecaede87d2f8893737586de5e7a9d24fc8d93f9fc2e8f"`
[INFO] running `"docker" "rm" "-f" "dddbddc8ee09b1457acecaede87d2f8893737586de5e7a9d24fc8d93f9fc2e8f"`
[INFO] [stdout] dddbddc8ee09b1457acecaede87d2f8893737586de5e7a9d24fc8d93f9fc2e8f