[INFO] cloning repository https://github.com/faustfu/hello-diesel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/faustfu/hello-diesel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaustfu%2Fhello-diesel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaustfu%2Fhello-diesel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ccf139e082ed0f5014c8b71f90b5e0f86c7d606d
[INFO] testing faustfu/hello-diesel against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaustfu%2Fhello-diesel" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/faustfu/hello-diesel on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/faustfu/hello-diesel
[INFO] finished tweaking git repo https://github.com/faustfu/hello-diesel
[INFO] tweaked toml for git repo https://github.com/faustfu/hello-diesel written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/faustfu/hello-diesel already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8aba9af8b8e3260ff6f406049665e95bee52090e2bb630af2f07704783612b72
[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" "8aba9af8b8e3260ff6f406049665e95bee52090e2bb630af2f07704783612b72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8aba9af8b8e3260ff6f406049665e95bee52090e2bb630af2f07704783612b72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aba9af8b8e3260ff6f406049665e95bee52090e2bb630af2f07704783612b72", kill_on_drop: false }`
[INFO] [stdout] 8aba9af8b8e3260ff6f406049665e95bee52090e2bb630af2f07704783612b72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7eddd29d2c66d8cdb72ffcc2890b31003f8b6bb7d7bce41b46df9d1bfbe2aaf6
[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" "7eddd29d2c66d8cdb72ffcc2890b31003f8b6bb7d7bce41b46df9d1bfbe2aaf6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling diesel v1.4.4
[INFO] [stderr]    Compiling hello-diesel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/insert.rs:39:41
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn create_user<'a>(conn: &PgConnection, t: &'a str, b: &'a str) -> User {
[INFO] [stdout]    |                                         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/insert.rs:39:53
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn create_user<'a>(conn: &PgConnection, t: &'a str, b: &'a str) -> User {
[INFO] [stdout]    |                                                     ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 30s
[INFO] running `Command { std: "docker" "inspect" "7eddd29d2c66d8cdb72ffcc2890b31003f8b6bb7d7bce41b46df9d1bfbe2aaf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eddd29d2c66d8cdb72ffcc2890b31003f8b6bb7d7bce41b46df9d1bfbe2aaf6", kill_on_drop: false }`
[INFO] [stdout] 7eddd29d2c66d8cdb72ffcc2890b31003f8b6bb7d7bce41b46df9d1bfbe2aaf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9f1b159662d057abdba6df37462f0139a0f142811d8e51c322f2130257a1c2b
[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" "a9f1b159662d057abdba6df37462f0139a0f142811d8e51c322f2130257a1c2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello-diesel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/insert.rs:39:41
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn create_user<'a>(conn: &PgConnection, t: &'a str, b: &'a str) -> User {
[INFO] [stdout]    |                                         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/insert.rs:39:53
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn create_user<'a>(conn: &PgConnection, t: &'a str, b: &'a str) -> User {
[INFO] [stdout]    |                                                     ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "a9f1b159662d057abdba6df37462f0139a0f142811d8e51c322f2130257a1c2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9f1b159662d057abdba6df37462f0139a0f142811d8e51c322f2130257a1c2b", kill_on_drop: false }`
[INFO] [stdout] a9f1b159662d057abdba6df37462f0139a0f142811d8e51c322f2130257a1c2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", 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] dc498685e1a8500dbac0d5255d701cbf503b719ca62bf3af69eaa9313bebaea9
[INFO] running `Command { std: "docker" "start" "-a" "dc498685e1a8500dbac0d5255d701cbf503b719ca62bf3af69eaa9313bebaea9", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]   --> src/insert.rs:39:41
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn create_user<'a>(conn: &PgConnection, t: &'a str, b: &'a str) -> User {
[INFO] [stderr]    |                                         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/insert.rs:39:53
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn create_user<'a>(conn: &PgConnection, t: &'a str, b: &'a str) -> User {
[INFO] [stderr]    |                                                     ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hello_diesel-ad737290820f858b
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dc498685e1a8500dbac0d5255d701cbf503b719ca62bf3af69eaa9313bebaea9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc498685e1a8500dbac0d5255d701cbf503b719ca62bf3af69eaa9313bebaea9", kill_on_drop: false }`
[INFO] [stdout] dc498685e1a8500dbac0d5255d701cbf503b719ca62bf3af69eaa9313bebaea9