[INFO] updating cached repository https://github.com/hpbrewton/sched
[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] 3df8e5a3d5d3e4a161de9d8da528e2888bd2c2b5
[INFO] testing hpbrewton/sched against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhpbrewton%2Fsched" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hpbrewton/sched 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/hpbrewton/sched
[INFO] finished tweaking git repo https://github.com/hpbrewton/sched
[INFO] tweaked toml for git repo https://github.com/hpbrewton/sched written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/hpbrewton/sched 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 12e527b3527d7ef05c002bbbd6aa39d2bb7d25df4638d3dee6f0c7540213a53f
[INFO] running `"docker" "start" "-a" "12e527b3527d7ef05c002bbbd6aa39d2bb7d25df4638d3dee6f0c7540213a53f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling scheduler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0599]: no method named `tick` found for struct `std::vec::Vec<u64>` in the current scope
[INFO] [stderr]   --> src/main.rs:42:10
[INFO] [stderr]    |
[INFO] [stderr] 42 |     while v.tick() {
[INFO] [stderr]    |             ^^^^ method not found in `std::vec::Vec<u64>`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr] note: `Ticker` defines an item `tick`, perhaps you need to implement it
[INFO] [stderr]   --> src/main.rs:3:1
[INFO] [stderr]    |
[INFO] [stderr] 3  | trait Ticker {
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `scheduler`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "12e527b3527d7ef05c002bbbd6aa39d2bb7d25df4638d3dee6f0c7540213a53f"`
[INFO] running `"docker" "rm" "-f" "12e527b3527d7ef05c002bbbd6aa39d2bb7d25df4638d3dee6f0c7540213a53f"`
[INFO] [stdout] 12e527b3527d7ef05c002bbbd6aa39d2bb7d25df4638d3dee6f0c7540213a53f