[INFO] crate cmd_cache 0.1.0 is already in cache
[INFO] testing cmd_cache-0.1.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate cmd_cache 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate cmd_cache 0.1.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate cmd_cache 0.1.0
[INFO] finished tweaking crates.io crate cmd_cache 0.1.0
[INFO] tweaked toml for crates.io crate cmd_cache 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate cmd_cache 0.1.0 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-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" "+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] e5de82ace02b21cd4db4566ed39c6d006cbcba39c0f9487426fdab347d56210d
[INFO] running `"docker" "start" "-a" "e5de82ace02b21cd4db4566ed39c6d006cbcba39c0f9487426fdab347d56210d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling cmd_cache v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.76s
[INFO] running `"docker" "inspect" "e5de82ace02b21cd4db4566ed39c6d006cbcba39c0f9487426fdab347d56210d"`
[INFO] running `"docker" "rm" "-f" "e5de82ace02b21cd4db4566ed39c6d006cbcba39c0f9487426fdab347d56210d"`
[INFO] [stdout] e5de82ace02b21cd4db4566ed39c6d006cbcba39c0f9487426fdab347d56210d
[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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c08e46ad55de5ff72f40560f7e7768545122c83f35d00a20915ed3b21bcd0eb6
[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" "c08e46ad55de5ff72f40560f7e7768545122c83f35d00a20915ed3b21bcd0eb6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling cmd_cache v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `clean_env`
[INFO] [stderr]    --> src/main.rs:179:8
[INFO] [stderr]     |
[INFO] [stderr] 179 |     fn clean_env(key : &str) -> Option <String>{
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `restore_env`
[INFO] [stderr]    --> src/main.rs:187:8
[INFO] [stderr]     |
[INFO] [stderr] 187 |     fn restore_env(key : &str, value :Option <String>) {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "c08e46ad55de5ff72f40560f7e7768545122c83f35d00a20915ed3b21bcd0eb6"`
[INFO] running `"docker" "rm" "-f" "c08e46ad55de5ff72f40560f7e7768545122c83f35d00a20915ed3b21bcd0eb6"`
[INFO] [stdout] c08e46ad55de5ff72f40560f7e7768545122c83f35d00a20915ed3b21bcd0eb6
[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" "+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] 755d463873086b0f56b92d1141f35b673fae34a5043aa53e5818beb8f5e80d0e
[INFO] running `"docker" "start" "-a" "755d463873086b0f56b92d1141f35b673fae34a5043aa53e5818beb8f5e80d0e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: function is never used: `clean_env`
[INFO] [stderr]    --> src/main.rs:179:8
[INFO] [stderr]     |
[INFO] [stderr] 179 |     fn clean_env(key : &str) -> Option <String>{
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `restore_env`
[INFO] [stderr]    --> src/main.rs:187:8
[INFO] [stderr]     |
[INFO] [stderr] 187 |     fn restore_env(key : &str, value :Option <String>) {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cmd_cache-125a7ce8d28f4757
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test::test_concat_args ... ok
[INFO] [stdout] test test::test_check_file ... ok
[INFO] [stdout] test test::test_dirty_parse_system_time ... ok
[INFO] [stdout] test test::test_check_or_create_dir ... ok
[INFO] [stdout] test test::test_hash ... ok
[INFO] [stdout] test test::test_rand_f32 ... ok
[INFO] [stdout] test test::test_get_max_days ... ok
[INFO] [stdout] test test::test_cmd_cache ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "755d463873086b0f56b92d1141f35b673fae34a5043aa53e5818beb8f5e80d0e"`
[INFO] running `"docker" "rm" "-f" "755d463873086b0f56b92d1141f35b673fae34a5043aa53e5818beb8f5e80d0e"`
[INFO] [stdout] 755d463873086b0f56b92d1141f35b673fae34a5043aa53e5818beb8f5e80d0e