[INFO] cloning repository https://github.com/RafaelBM91/rust-crud
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RafaelBM91/rust-crud" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRafaelBM91%2Frust-crud", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRafaelBM91%2Frust-crud'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 373716fc3fcd5c5e206099aa46bd3f0f1f2ca69b
[INFO] checking RafaelBM91/rust-crud against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRafaelBM91%2Frust-crud" "/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/RafaelBM91/rust-crud on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RafaelBM91/rust-crud
[INFO] finished tweaking git repo https://github.com/RafaelBM91/rust-crud
[INFO] tweaked toml for git repo https://github.com/RafaelBM91/rust-crud written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/RafaelBM91/rust-crud already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 942c0d38f0ba860c3edc42ce81fe66d7befdf91a9b778fe8a112c03ba27e09ac
[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" "942c0d38f0ba860c3edc42ce81fe66d7befdf91a9b778fe8a112c03ba27e09ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "942c0d38f0ba860c3edc42ce81fe66d7befdf91a9b778fe8a112c03ba27e09ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "942c0d38f0ba860c3edc42ce81fe66d7befdf91a9b778fe8a112c03ba27e09ac", kill_on_drop: false }`
[INFO] [stdout] 942c0d38f0ba860c3edc42ce81fe66d7befdf91a9b778fe8a112c03ba27e09ac
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] dd783e28a46c06aca34cd41926a344349005085900dce83b888eff0565bd525b
[INFO] running `Command { std: "docker" "start" "-a" "dd783e28a46c06aca34cd41926a344349005085900dce83b888eff0565bd525b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking safemem v0.3.0
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[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]     Checking percent-encoding v1.0.1
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[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling ryu v0.2.8
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[INFO] [stderr]     Checking modifier v0.1.0
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[INFO] [stderr]    Compiling unicase v1.4.2
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[INFO] [stderr]    Compiling phf_shared v0.7.24
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[INFO] [stderr]    Compiling serde_derive v1.0.91
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[INFO] [stderr]     Checking iron v0.6.0
[INFO] [stderr]     Checking persistent v0.4.0
[INFO] [stderr]     Checking logger v0.4.0
[INFO] [stderr]     Checking mount v0.4.0
[INFO] [stderr]     Checking bodyparser v0.8.0
[INFO] [stderr]     Checking bson v0.13.0
[INFO] [stderr]     Checking urlencoded v0.6.0
[INFO] [stderr]    Compiling juniper_codegen v0.11.1
[INFO] [stderr]     Checking textnonce v0.6.5
[INFO] [stderr]     Checking mongodb v0.3.12
[INFO] [stderr]     Checking juniper v0.11.1
[INFO] [stderr]     Checking juniper_iron v0.3.0
[INFO] [stderr]     Checking rust-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/mongo.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |             (value.as_null() == None)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/mongo.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |             (value.as_null() == None)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/server.rs:16:20
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn context_factory(req: &mut Request) -> IronResult<()> {
[INFO] [stdout]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert_doc_operation`
[INFO] [stdout]   --> src/mongo.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn insert_doc_operation (mut document: OrderedDocument) -> Option<Bson> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/server.rs:16:20
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn context_factory(req: &mut Request) -> IronResult<()> {
[INFO] [stdout]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert_doc_operation`
[INFO] [stdout]   --> src/mongo.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn insert_doc_operation (mut document: OrderedDocument) -> Option<Bson> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 08s
[INFO] running `Command { std: "docker" "inspect" "dd783e28a46c06aca34cd41926a344349005085900dce83b888eff0565bd525b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd783e28a46c06aca34cd41926a344349005085900dce83b888eff0565bd525b", kill_on_drop: false }`
[INFO] [stdout] dd783e28a46c06aca34cd41926a344349005085900dce83b888eff0565bd525b