[INFO] updating cached repository https://github.com/mattKipper/advent-2017
[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] cbbd646af1fac1e41f9117f53341fb585b1c7d0b
[INFO] checking mattKipper/advent-2017 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmattKipper%2Fadvent-2017" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mattKipper/advent-2017 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mattKipper/advent-2017
[INFO] finished tweaking git repo https://github.com/mattKipper/advent-2017
[INFO] tweaked toml for git repo https://github.com/mattKipper/advent-2017 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/mattKipper/advent-2017 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 849d46516e8883bdf3ea3fae5605e3fffe7cf452b53a23bfb5e3a240eb5e5117
[INFO] running `"docker" "start" "-a" "849d46516e8883bdf3ea3fae5605e3fffe7cf452b53a23bfb5e3a240eb5e5117"`
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]     Checking rand v0.3.18
[INFO] [stderr]     Checking advent-2017 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bin/08.rs:119:21
[INFO] [stderr]     |
[INFO] [stderr] 119 |         if let Some(mut instruction) = Instruction::<i32>::from_line(&line) {
[INFO] [stderr]     |                     ----^^^^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `i64` is invalid
[INFO] [stderr]  --> src/bin/03.rs:6:13
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let n = (((value as f64).sqrt() - 1.0) / 2.0).ceil() as i64;
[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 E0606`.
[INFO] [stderr] error: could not compile `advent-2017`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0606]: casting `f64` as `i64` is invalid
[INFO] [stderr]  --> src/bin/03.rs:6:13
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let n = (((value as f64).sqrt() - 1.0) / 2.0).ceil() as i64;
[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 E0606`.
[INFO] [stderr] error: could not compile `advent-2017`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "849d46516e8883bdf3ea3fae5605e3fffe7cf452b53a23bfb5e3a240eb5e5117"`
[INFO] running `"docker" "rm" "-f" "849d46516e8883bdf3ea3fae5605e3fffe7cf452b53a23bfb5e3a240eb5e5117"`
[INFO] [stdout] 849d46516e8883bdf3ea3fae5605e3fffe7cf452b53a23bfb5e3a240eb5e5117