[INFO] updating cached repository https://github.com/janwojcicki/taskrs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/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#b19afc12c4f781e95f168f2fdea339c972f14ae2 for pr-64327
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjanwojcicki%2Ftaskrs" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/janwojcicki/taskrs on toolchain b19afc12c4f781e95f168f2fdea339c972f14ae2-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+b19afc12c4f781e95f168f2fdea339c972f14ae2-alt" "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 work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/janwojcicki/taskrs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+b19afc12c4f781e95f168f2fdea339c972f14ae2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+b19afc12c4f781e95f168f2fdea339c972f14ae2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 11883ffa0c7d6657ec8bb690b3a99b94a039fd11e0bcd146d74f265d6a19f302
[INFO] running `"docker" "start" "-a" "11883ffa0c7d6657ec8bb690b3a99b94a039fd11e0bcd146d74f265d6a19f302"`
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking scan_fmt v0.1.3
[INFO] [stderr]     Checking pbkdf2 v0.2.3
[INFO] [stderr]     Checking jwt v0.4.0
[INFO] [stderr]    Compiling rocket_http v0.4.2
[INFO] [stderr]    Compiling rocket_contrib_codegen v0.4.2
[INFO] [stderr]     Checking bson v0.13.0
[INFO] [stderr]     Checking parking_lot_core v0.5.0
[INFO] [stderr]     Checking textnonce v0.6.5
[INFO] [stderr]     Checking parking_lot v0.8.0
[INFO] [stderr]     Checking mongodb v0.3.12
[INFO] [stderr]     Checking r2d2 v0.8.5
[INFO] [stderr]    Compiling rocket_codegen v0.4.2
[INFO] [stderr]     Checking r2d2-mongodb v0.2.2
[INFO] [stderr]     Checking rocket v0.4.2
[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 1m 07s
[INFO] running `"docker" "inspect" "11883ffa0c7d6657ec8bb690b3a99b94a039fd11e0bcd146d74f265d6a19f302"`
[INFO] running `"docker" "rm" "-f" "11883ffa0c7d6657ec8bb690b3a99b94a039fd11e0bcd146d74f265d6a19f302"`
[INFO] [stdout] 11883ffa0c7d6657ec8bb690b3a99b94a039fd11e0bcd146d74f265d6a19f302