[INFO] crate cargo-ruspiro-push 0.1.1 is already in cache
[INFO] testing cargo-ruspiro-push-0.1.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate cargo-ruspiro-push 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cargo-ruspiro-push 0.1.1 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 cargo-ruspiro-push 0.1.1
[INFO] finished tweaking crates.io crate cargo-ruspiro-push 0.1.1
[INFO] tweaked toml for crates.io crate cargo-ruspiro-push 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate cargo-ruspiro-push 0.1.1 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] [stderr]     Blocking waiting for file lock on package cache
[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] 47b0513c0a4ed4be382d2d7bc3d6fada77912aa1081b4bbb69946990e88f33d4
[INFO] running `"docker" "start" "-a" "47b0513c0a4ed4be382d2d7bc3d6fada77912aa1081b4bbb69946990e88f33d4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling ioctl-rs v0.1.6
[INFO] [stderr]    Compiling serial-core v0.4.0
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling serial-unix v0.4.0
[INFO] [stderr]    Compiling serial v0.4.0
[INFO] [stderr]    Compiling cargo-ruspiro-push v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/main.rs:168:5
[INFO] [stderr]     |
[INFO] [stderr] 161 | /     loop {
[INFO] [stderr] 162 | |         match port.read(&mut echo) {
[INFO] [stderr] 163 | |             Ok(_) => print!("{}", echo[0] as char),
[INFO] [stderr] 164 | |             Err(_) => (),
[INFO] [stderr] 165 | |         }
[INFO] [stderr] 166 | |     }
[INFO] [stderr]     | |_____- any code following this expression is unreachable
[INFO] [stderr] 167 | 
[INFO] [stderr] 168 |       Ok(())
[INFO] [stderr]     |       ^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.46s
[INFO] running `"docker" "inspect" "47b0513c0a4ed4be382d2d7bc3d6fada77912aa1081b4bbb69946990e88f33d4"`
[INFO] running `"docker" "rm" "-f" "47b0513c0a4ed4be382d2d7bc3d6fada77912aa1081b4bbb69946990e88f33d4"`
[INFO] [stdout] 47b0513c0a4ed4be382d2d7bc3d6fada77912aa1081b4bbb69946990e88f33d4
[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] 15433cbcff76e334cb716d92988e76e52489bf9777b13a29c456c25955f294bb
[INFO] running `"docker" "start" "-a" "15433cbcff76e334cb716d92988e76e52489bf9777b13a29c456c25955f294bb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling cargo-ruspiro-push v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/main.rs:168:5
[INFO] [stderr]     |
[INFO] [stderr] 161 | /     loop {
[INFO] [stderr] 162 | |         match port.read(&mut echo) {
[INFO] [stderr] 163 | |             Ok(_) => print!("{}", echo[0] as char),
[INFO] [stderr] 164 | |             Err(_) => (),
[INFO] [stderr] 165 | |         }
[INFO] [stderr] 166 | |     }
[INFO] [stderr]     | |_____- any code following this expression is unreachable
[INFO] [stderr] 167 | 
[INFO] [stderr] 168 |       Ok(())
[INFO] [stderr]     |       ^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "15433cbcff76e334cb716d92988e76e52489bf9777b13a29c456c25955f294bb"`
[INFO] running `"docker" "rm" "-f" "15433cbcff76e334cb716d92988e76e52489bf9777b13a29c456c25955f294bb"`
[INFO] [stdout] 15433cbcff76e334cb716d92988e76e52489bf9777b13a29c456c25955f294bb
[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] 27b52fa31a3fc9098f2b0fe157a11cdc0628934f44feef08b0ef372bc214ae7d
[INFO] running `"docker" "start" "-a" "27b52fa31a3fc9098f2b0fe157a11cdc0628934f44feef08b0ef372bc214ae7d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/main.rs:168:5
[INFO] [stderr]     |
[INFO] [stderr] 161 | /     loop {
[INFO] [stderr] 162 | |         match port.read(&mut echo) {
[INFO] [stderr] 163 | |             Ok(_) => print!("{}", echo[0] as char),
[INFO] [stderr] 164 | |             Err(_) => (),
[INFO] [stderr] 165 | |         }
[INFO] [stderr] 166 | |     }
[INFO] [stderr]     | |_____- any code following this expression is unreachable
[INFO] [stderr] 167 | 
[INFO] [stderr] 168 |       Ok(())
[INFO] [stderr]     |       ^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cargo_ruspiro_push-57951773ed963cd8
[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" "27b52fa31a3fc9098f2b0fe157a11cdc0628934f44feef08b0ef372bc214ae7d"`
[INFO] running `"docker" "rm" "-f" "27b52fa31a3fc9098f2b0fe157a11cdc0628934f44feef08b0ef372bc214ae7d"`
[INFO] [stdout] 27b52fa31a3fc9098f2b0fe157a11cdc0628934f44feef08b0ef372bc214ae7d