[INFO] cloning repository https://github.com/enizor/synacor-challenge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/enizor/synacor-challenge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenizor%2Fsynacor-challenge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenizor%2Fsynacor-challenge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9bb642c9d39a0518a5e93e62b753ef46521098b3
[INFO] checking enizor/synacor-challenge against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenizor%2Fsynacor-challenge" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/enizor/synacor-challenge on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/enizor/synacor-challenge
[INFO] finished tweaking git repo https://github.com/enizor/synacor-challenge
[INFO] tweaked toml for git repo https://github.com/enizor/synacor-challenge written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/enizor/synacor-challenge already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 04d9c76f3a51d175769e7a81f5e98c1dd617a3ee33392e2792dad64f942e8bdc
[INFO] running `Command { std: "docker" "start" "-a" "04d9c76f3a51d175769e7a81f5e98c1dd617a3ee33392e2792dad64f942e8bdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04d9c76f3a51d175769e7a81f5e98c1dd617a3ee33392e2792dad64f942e8bdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04d9c76f3a51d175769e7a81f5e98c1dd617a3ee33392e2792dad64f942e8bdc", kill_on_drop: false }`
[INFO] [stdout] 04d9c76f3a51d175769e7a81f5e98c1dd617a3ee33392e2792dad64f942e8bdc
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 831210a8334ec58bb67016c2671a5a687df848dbfa792cf45f1ff874b3ecf6d5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "831210a8334ec58bb67016c2671a5a687df848dbfa792cf45f1ff874b3ecf6d5", kill_on_drop: false }`
[INFO] [stderr]     Checking synacor-challenge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/vm.rs:34:14
[INFO] [stdout]    |
[INFO] [stdout] 34 |             0...32767 => self.memory[pos],
[INFO] [stdout]    |              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/vm.rs:35:18
[INFO] [stdout]    |
[INFO] [stdout] 35 |             32768...32775 => self.memory[self.memory[pos] as usize],
[INFO] [stdout]    |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/vm.rs:34:14
[INFO] [stdout]    |
[INFO] [stdout] 34 |             0...32767 => self.memory[pos],
[INFO] [stdout]    |              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/vm.rs:35:18
[INFO] [stdout]    |
[INFO] [stdout] 35 |             32768...32775 => self.memory[self.memory[pos] as usize],
[INFO] [stdout]    |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "831210a8334ec58bb67016c2671a5a687df848dbfa792cf45f1ff874b3ecf6d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "831210a8334ec58bb67016c2671a5a687df848dbfa792cf45f1ff874b3ecf6d5", kill_on_drop: false }`
[INFO] [stdout] 831210a8334ec58bb67016c2671a5a687df848dbfa792cf45f1ff874b3ecf6d5