[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/373716fc3fcd5c5e206099aa46bd3f0f1f2ca69b against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRafaelBM91%2Frust-crud" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RafaelBM91/rust-crud on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-2-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mount v0.4.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d564d22a0f2a115012f17bfc88a1a551c750172d5563f95bda797966afb0c5f
[INFO] running `Command { std: "docker" "start" "-a" "0d564d22a0f2a115012f17bfc88a1a551c750172d5563f95bda797966afb0c5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d564d22a0f2a115012f17bfc88a1a551c750172d5563f95bda797966afb0c5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d564d22a0f2a115012f17bfc88a1a551c750172d5563f95bda797966afb0c5f", kill_on_drop: false }`
[INFO] [stdout] 0d564d22a0f2a115012f17bfc88a1a551c750172d5563f95bda797966afb0c5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5885f1ca2cf03ccd2428e069c2570a3ec7264aa8386bef33498582767a3248c6
[INFO] running `Command { std: "docker" "start" "-a" "5885f1ca2cf03ccd2428e069c2570a3ec7264aa8386bef33498582767a3248c6", kill_on_drop: false }`
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[INFO] [stderr]    Compiling serde_derive v1.0.91
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[INFO] [stderr]     Checking logger v0.4.0
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[INFO] [stderr]     Checking bodyparser v0.8.0
[INFO] [stderr]     Checking bson v0.13.0
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[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]    |             ^                       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 30 -             (value.as_null() == None)
[INFO] [stdout] 30 +             value.as_null() == None
[INFO] [stdout]    |
[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]    |             ^                       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 30 -             (value.as_null() == None)
[INFO] [stdout] 30 +             value.as_null() == None
[INFO] [stdout]    |
[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: 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 `insert_doc_operation` is never used
[INFO] [stdout]   --> src/mongo.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Mongo {
[INFO] [stdout]    | ---------- associated function in this implementation
[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] [stdout] warning: associated function `insert_doc_operation` is never used
[INFO] [stdout]   --> src/mongo.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Mongo {
[INFO] [stdout]    | ---------- associated function in this implementation
[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` profile [unoptimized + debuginfo] target(s) in 42.58s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bson v0.13.0, syn v0.14.9, traitobject v0.1.0, typemap v0.3.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "5885f1ca2cf03ccd2428e069c2570a3ec7264aa8386bef33498582767a3248c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5885f1ca2cf03ccd2428e069c2570a3ec7264aa8386bef33498582767a3248c6", kill_on_drop: false }`
[INFO] [stdout] 5885f1ca2cf03ccd2428e069c2570a3ec7264aa8386bef33498582767a3248c6