[INFO] cloning repository https://github.com/rust-cas/rust_cas
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-cas/rust_cas" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-cas%2Frust_cas"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-cas%2Frust_cas'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 24daf69a3159c25ee3ba7b12538ca6a1f84851ca
[INFO] testing rust-cas/rust_cas against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-cas%2Frust_cas" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-cas/rust_cas on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/rust-cas/rust_cas
[INFO] finished tweaking git repo https://github.com/rust-cas/rust_cas
[INFO] tweaked toml for git repo https://github.com/rust-cas/rust_cas written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-cas/rust_cas already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.44.0" "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] d63b9c94801e96329f448a6351092d92b63dade26309f472f7f237e43d6b87d0
[INFO] running `"docker" "start" "-a" "d63b9c94801e96329f448a6351092d92b63dade26309f472f7f237e43d6b87d0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling rust_cas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Display`
[INFO] [stderr]  --> src/main.rs:6:34
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::fmt::{Formatter, Debug, Display};
[INFO] [stderr]   |                                  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_power`
[INFO] [stderr]    --> src/main.rs:418:5
[INFO] [stderr]     |
[INFO] [stderr] 418 |     fn is_power(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.67s
[INFO] running `"docker" "inspect" "d63b9c94801e96329f448a6351092d92b63dade26309f472f7f237e43d6b87d0"`
[INFO] running `"docker" "rm" "-f" "d63b9c94801e96329f448a6351092d92b63dade26309f472f7f237e43d6b87d0"`
[INFO] [stdout] d63b9c94801e96329f448a6351092d92b63dade26309f472f7f237e43d6b87d0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.44.0" "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] 63e87586730d45bd6dc6af96e590c2a0b1957c4ff16ad34b590991f990e6f0d3
[INFO] running `"docker" "start" "-a" "63e87586730d45bd6dc6af96e590c2a0b1957c4ff16ad34b590991f990e6f0d3"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rust_cas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Display`
[INFO] [stderr]  --> src/main.rs:6:34
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::fmt::{Formatter, Debug, Display};
[INFO] [stderr]   |                                  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_power`
[INFO] [stderr]    --> src/main.rs:418:5
[INFO] [stderr]     |
[INFO] [stderr] 418 |     fn is_power(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `"docker" "inspect" "63e87586730d45bd6dc6af96e590c2a0b1957c4ff16ad34b590991f990e6f0d3"`
[INFO] running `"docker" "rm" "-f" "63e87586730d45bd6dc6af96e590c2a0b1957c4ff16ad34b590991f990e6f0d3"`
[INFO] [stdout] 63e87586730d45bd6dc6af96e590c2a0b1957c4ff16ad34b590991f990e6f0d3
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.44.0" "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] 05c7545195584c6a14643d57566b24dc9ccd1dc971247bfe7485623fe1c86ebb
[INFO] running `"docker" "start" "-a" "05c7545195584c6a14643d57566b24dc9ccd1dc971247bfe7485623fe1c86ebb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `Display`
[INFO] [stderr]  --> src/main.rs:6:34
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::fmt::{Formatter, Debug, Display};
[INFO] [stderr]   |                                  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_power`
[INFO] [stderr]    --> src/main.rs:418:5
[INFO] [stderr]     |
[INFO] [stderr] 418 |     fn is_power(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_cas-5d9302631ed036e7
[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" "05c7545195584c6a14643d57566b24dc9ccd1dc971247bfe7485623fe1c86ebb"`
[INFO] running `"docker" "rm" "-f" "05c7545195584c6a14643d57566b24dc9ccd1dc971247bfe7485623fe1c86ebb"`
[INFO] [stdout] 05c7545195584c6a14643d57566b24dc9ccd1dc971247bfe7485623fe1c86ebb