[INFO] updating cached repository https://github.com/janwojcicki/taskrs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f6275d7aabf6c1b62db206a566eab82df4e9385c
[INFO] checking janwojcicki/taskrs against try#ba14a92a10441c4b839ce71e6ef5f7a48bbff18f for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjanwojcicki%2Ftaskrs" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/janwojcicki/taskrs on toolchain ba14a92a10441c4b839ce71e6ef5f7a48bbff18f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/janwojcicki/taskrs
[INFO] finished tweaking git repo https://github.com/janwojcicki/taskrs
[INFO] tweaked toml for git repo https://github.com/janwojcicki/taskrs written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/janwojcicki/taskrs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "/opt/rustwide/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 70edfab68f24deea292dec35d36c2d61015fff211766a2399ad7d80f87fd457c
[INFO] running `"docker" "start" "-a" "70edfab68f24deea292dec35d36c2d61015fff211766a2399ad7d80f87fd457c"`
[INFO] [stderr]    Compiling autocfg v0.1.5
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[INFO] [stderr]     Checking rand v0.7.0
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[INFO] [stderr]    Compiling rust-crypto v0.2.36
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[INFO] [stderr]    Compiling devise_core v0.2.0
[INFO] [stderr]     Checking bson v0.13.0
[INFO] [stderr]    Compiling pear_codegen v0.1.2
[INFO] [stderr]    Compiling devise_codegen v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling devise v0.2.0
[INFO] [stderr]    Compiling pear v0.1.2
[INFO] [stderr]     Checking rocket_http v0.4.2
[INFO] [stderr]    Compiling rocket_codegen v0.4.2
[INFO] [stderr]     Checking textnonce v0.6.5
[INFO] [stderr]     Checking mongodb v0.3.12
[INFO] [stderr]     Checking r2d2-mongodb v0.2.2
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[INFO] [stderr]     Checking rocket_contrib v0.4.2
[INFO] [stderr]     Checking taskrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Bson`
[INFO] [stderr]  --> src/token.rs:4:42
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rocket_contrib::databases::mongodb::{Bson, bson, doc};
[INFO] [stderr]   |                                          ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Bson`
[INFO] [stderr]  --> src/token.rs:4:42
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rocket_contrib::databases::mongodb::{Bson, bson, doc};
[INFO] [stderr]   |                                          ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `coll`
[INFO] [stderr]   --> src/task.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let coll = conn.collection("tasks");
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_coll`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `coll_user`
[INFO] [stderr]   --> src/task.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let coll_user = conn.collection("users");
[INFO] [stderr]    |         ^^^^^^^^^ help: consider prefixing with an underscore: `_coll_user`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]   --> src/task.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn task_add(token: Token, conn: MongoConn, incoming_task: Json<models::TaskAdd>) -> Json<ApiResult>{
[INFO] [stderr]    |             ^^^^^ help: consider prefixing with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `coll`
[INFO] [stderr]   --> src/task.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let coll = conn.collection("tasks");
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_coll`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `coll_user`
[INFO] [stderr]   --> src/task.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let coll_user = conn.collection("users");
[INFO] [stderr]    |         ^^^^^^^^^ help: consider prefixing with an underscore: `_coll_user`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]   --> src/task.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn task_add(token: Token, conn: MongoConn, incoming_task: Json<models::TaskAdd>) -> Json<ApiResult>{
[INFO] [stderr]    |             ^^^^^ help: consider prefixing with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 20s
[INFO] running `"docker" "inspect" "70edfab68f24deea292dec35d36c2d61015fff211766a2399ad7d80f87fd457c"`
[INFO] running `"docker" "rm" "-f" "70edfab68f24deea292dec35d36c2d61015fff211766a2399ad7d80f87fd457c"`
[INFO] [stdout] 70edfab68f24deea292dec35d36c2d61015fff211766a2399ad7d80f87fd457c