[INFO] cloning repository https://github.com/Vexillologists/VexCTF-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Vexillologists/VexCTF-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVexillologists%2FVexCTF-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVexillologists%2FVexCTF-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 324216ce8ef46bea85eaa586ccbb9d805a22dfd6
[INFO] checking Vexillologists/VexCTF-rust against try#22dd2dd1dc07f63ae9394352d412f020d2985684 for pr-74627
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVexillologists%2FVexCTF-rust" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Vexillologists/VexCTF-rust on toolchain 22dd2dd1dc07f63ae9394352d412f020d2985684
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Vexillologists/VexCTF-rust
[INFO] finished tweaking git repo https://github.com/Vexillologists/VexCTF-rust
[INFO] tweaked toml for git repo https://github.com/Vexillologists/VexCTF-rust written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Vexillologists/VexCTF-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 1ce89c88e2465ead17f6b07ece90670744f84f194699b264d2b33eecb7d4a669
[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" "1ce89c88e2465ead17f6b07ece90670744f84f194699b264d2b33eecb7d4a669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ce89c88e2465ead17f6b07ece90670744f84f194699b264d2b33eecb7d4a669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ce89c88e2465ead17f6b07ece90670744f84f194699b264d2b33eecb7d4a669", kill_on_drop: false }`
[INFO] [stdout] 1ce89c88e2465ead17f6b07ece90670744f84f194699b264d2b33eecb7d4a669
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 373bcdb92bda8eade5c4c301080caf9a3e86a084484b80a7c56124dc93c60b3a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
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[INFO] [stdout] warning: function is never used: `secure_random64`
[INFO] [stdout]  --> src/systems/crypto.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn secure_random64() -> u64 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NotFound`
[INFO] [stdout]  --> src/systems/errors.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     NotFound(String, String),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InternalError`
[INFO] [stdout]  --> src/systems/errors.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     InternalError,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `redis`
[INFO] [stdout]   --> src/systems/pooling.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn redis(&self) -> RefMut<r2d2::PooledConnection<ConnMgrRedis>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `verify`
[INFO] [stdout]   --> src/systems/session.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn verify(&self, conn: &mut Connection) -> RedisResult<bool> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `revoke`
[INFO] [stdout]   --> src/systems/session.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn revoke(&self, conn: &mut Connection) -> RedisResult<()> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `generate`
[INFO] [stdout]   --> src/systems/session.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn generate(uid: i32, conn: &mut Connection) -> RedisResult<Self> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `secure_random64`
[INFO] [stdout]  --> src/systems/crypto.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn secure_random64() -> u64 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NotFound`
[INFO] [stdout]  --> src/systems/errors.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     NotFound(String, String),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InternalError`
[INFO] [stdout]  --> src/systems/errors.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     InternalError,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `redis`
[INFO] [stdout]   --> src/systems/pooling.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn redis(&self) -> RefMut<r2d2::PooledConnection<ConnMgrRedis>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `verify`
[INFO] [stdout]   --> src/systems/session.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn verify(&self, conn: &mut Connection) -> RedisResult<bool> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `revoke`
[INFO] [stdout]   --> src/systems/session.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn revoke(&self, conn: &mut Connection) -> RedisResult<()> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `generate`
[INFO] [stdout]   --> src/systems/session.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn generate(uid: i32, conn: &mut Connection) -> RedisResult<Self> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 29s
[INFO] running `Command { std: "docker" "inspect" "373bcdb92bda8eade5c4c301080caf9a3e86a084484b80a7c56124dc93c60b3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "373bcdb92bda8eade5c4c301080caf9a3e86a084484b80a7c56124dc93c60b3a", kill_on_drop: false }`
[INFO] [stdout] 373bcdb92bda8eade5c4c301080caf9a3e86a084484b80a7c56124dc93c60b3a