[INFO] updating cached repository https://github.com/tkmct/wtd
[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] b1db890da2735d0a9ffb34a0779804964867111a
[INFO] testing tkmct/wtd against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftkmct%2Fwtd" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tkmct/wtd 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/tkmct/wtd
[INFO] finished tweaking git repo https://github.com/tkmct/wtd
[INFO] tweaked toml for git repo https://github.com/tkmct/wtd written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/tkmct/wtd 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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 744aac80b1fc6cf6fb234908c34e54ce3543fea3519a524276552d07de1ae564
[INFO] running `"docker" "start" "-a" "744aac80b1fc6cf6fb234908c34e54ce3543fea3519a524276552d07de1ae564"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling wtd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: associated function is never used: `to_string`
[INFO] [stderr]   --> src/todos.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn to_string(&self) -> String {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `done`
[INFO] [stderr]   --> src/todos.rs:50:12
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn done(mut self, done: bool) -> Self {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.53s
[INFO] running `"docker" "inspect" "744aac80b1fc6cf6fb234908c34e54ce3543fea3519a524276552d07de1ae564"`
[INFO] running `"docker" "rm" "-f" "744aac80b1fc6cf6fb234908c34e54ce3543fea3519a524276552d07de1ae564"`
[INFO] [stdout] 744aac80b1fc6cf6fb234908c34e54ce3543fea3519a524276552d07de1ae564
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 00ecb7b840037b300149da31f1669343cbf4e6fc851e46bbe22f615c0ca9ec1b
[INFO] running `"docker" "start" "-a" "00ecb7b840037b300149da31f1669343cbf4e6fc851e46bbe22f615c0ca9ec1b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling wtd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: associated function is never used: `to_string`
[INFO] [stderr]   --> src/todos.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn to_string(&self) -> String {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `done`
[INFO] [stderr]   --> src/todos.rs:50:12
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn done(mut self, done: bool) -> Self {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "00ecb7b840037b300149da31f1669343cbf4e6fc851e46bbe22f615c0ca9ec1b"`
[INFO] running `"docker" "rm" "-f" "00ecb7b840037b300149da31f1669343cbf4e6fc851e46bbe22f615c0ca9ec1b"`
[INFO] [stdout] 00ecb7b840037b300149da31f1669343cbf4e6fc851e46bbe22f615c0ca9ec1b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] c7c758059b21c0e91f4f4b20ea8bb5f567ed2dc952bae2726a1e390bf8b78e41
[INFO] running `"docker" "start" "-a" "c7c758059b21c0e91f4f4b20ea8bb5f567ed2dc952bae2726a1e390bf8b78e41"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: associated function is never used: `to_string`
[INFO] [stderr]   --> src/todos.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn to_string(&self) -> String {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `done`
[INFO] [stderr]   --> src/todos.rs:50:12
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn done(mut self, done: bool) -> Self {
[INFO] [stderr]    |            ^^^^
[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/wtd-3c6a40a227d23fd2
[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" "c7c758059b21c0e91f4f4b20ea8bb5f567ed2dc952bae2726a1e390bf8b78e41"`
[INFO] running `"docker" "rm" "-f" "c7c758059b21c0e91f4f4b20ea8bb5f567ed2dc952bae2726a1e390bf8b78e41"`
[INFO] [stdout] c7c758059b21c0e91f4f4b20ea8bb5f567ed2dc952bae2726a1e390bf8b78e41