[INFO] cloning repository https://github.com/zhlfine/app-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zhlfine/app-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhlfine%2Fapp-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhlfine%2Fapp-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b5c17da8926ce8bd40a7e9a2b2284eba3372f2f1
[INFO] checking zhlfine/app-rs against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhlfine%2Fapp-rs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zhlfine/app-rs on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zhlfine/app-rs
[INFO] finished tweaking git repo https://github.com/zhlfine/app-rs
[INFO] tweaked toml for git repo https://github.com/zhlfine/app-rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/zhlfine/app-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e3af129591b3bea84d391913006c01a1fd8718919754265516a3be4d33da6ca
[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" "9e3af129591b3bea84d391913006c01a1fd8718919754265516a3be4d33da6ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e3af129591b3bea84d391913006c01a1fd8718919754265516a3be4d33da6ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e3af129591b3bea84d391913006c01a1fd8718919754265516a3be4d33da6ca", kill_on_drop: false }`
[INFO] [stdout] 9e3af129591b3bea84d391913006c01a1fd8718919754265516a3be4d33da6ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d581ce8f8499046419d99a9059a104931e585c133d9b6b8ad4ea03b68276ebdd
[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" "d581ce8f8499046419d99a9059a104931e585c133d9b6b8ad4ea03b68276ebdd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking app_util v0.1.0 (/opt/rustwide/workdir/components/app_util)
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> components/app_util/src/db.rs:24:41
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn query<R: SqlRenderer>(&self, name: &str, r: R) {
[INFO] [stdout]    |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> components/app_util/src/db.rs:24:53
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn query<R: SqlRenderer>(&self, name: &str, r: R) {
[INFO] [stdout]    |                                                     ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> components/app_util/src/db.rs:28:40
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn exec<R: SqlRenderer>(&self, name: &str, r: R) {
[INFO] [stdout]    |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> components/app_util/src/db.rs:28:52
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn exec<R: SqlRenderer>(&self, name: &str, r: R) {
[INFO] [stdout]    |                                                    ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> components/app_util/src/db.rs:24:41
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn query<R: SqlRenderer>(&self, name: &str, r: R) {
[INFO] [stdout]    |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> components/app_util/src/db.rs:24:53
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn query<R: SqlRenderer>(&self, name: &str, r: R) {
[INFO] [stdout]    |                                                     ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> components/app_util/src/db.rs:28:40
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn exec<R: SqlRenderer>(&self, name: &str, r: R) {
[INFO] [stdout]    |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> components/app_util/src/db.rs:28:52
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn exec<R: SqlRenderer>(&self, name: &str, r: R) {
[INFO] [stdout]    |                                                    ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.19s
[INFO] running `Command { std: "docker" "inspect" "d581ce8f8499046419d99a9059a104931e585c133d9b6b8ad4ea03b68276ebdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d581ce8f8499046419d99a9059a104931e585c133d9b6b8ad4ea03b68276ebdd", kill_on_drop: false }`
[INFO] [stdout] d581ce8f8499046419d99a9059a104931e585c133d9b6b8ad4ea03b68276ebdd