[INFO] cloning repository https://github.com/priority-msg-store/priority-msg-store-lib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/priority-msg-store/priority-msg-store-lib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpriority-msg-store%2Fpriority-msg-store-lib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpriority-msg-store%2Fpriority-msg-store-lib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0c28fc3e2e5edf1c69c413129b613b5f3200feb9
[INFO] building priority-msg-store/priority-msg-store-lib against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpriority-msg-store%2Fpriority-msg-store-lib" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/priority-msg-store/priority-msg-store-lib
[INFO] finished tweaking git repo https://github.com/priority-msg-store/priority-msg-store-lib
[INFO] tweaked toml for git repo https://github.com/priority-msg-store/priority-msg-store-lib written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/priority-msg-store/priority-msg-store-lib on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/priority-msg-store/priority-msg-store-lib 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parking_lot_core v0.9.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1e2d7d34d71c1669a0ce5423d5562f2dc91e14723a6ee9f83e8134e7cacddd5
[INFO] running `Command { std: "docker" "start" "-a" "f1e2d7d34d71c1669a0ce5423d5562f2dc91e14723a6ee9f83e8134e7cacddd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1e2d7d34d71c1669a0ce5423d5562f2dc91e14723a6ee9f83e8134e7cacddd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1e2d7d34d71c1669a0ce5423d5562f2dc91e14723a6ee9f83e8134e7cacddd5", kill_on_drop: false }`
[INFO] [stdout] f1e2d7d34d71c1669a0ce5423d5562f2dc91e14723a6ee9f83e8134e7cacddd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a1d8fc3cb4f8d4b6b9869d7f6efaf6716bab73347a173d404f2e81337fa1640
[INFO] running `Command { std: "docker" "start" "-a" "9a1d8fc3cb4f8d4b6b9869d7f6efaf6716bab73347a173d404f2e81337fa1640", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.29
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling http v0.2.6
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[INFO] [stderr]    Compiling form_urlencoded v1.0.1
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[INFO] [stderr]    Compiling unicode-bidi v0.3.7
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[INFO] [stderr]    Compiling generic-array v0.14.5
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[INFO] [stderr]    Compiling heck v0.3.3
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[INFO] [stderr]    Compiling encoding_rs v0.8.30
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]    Compiling brotli-decompressor v2.3.2
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]    Compiling num_cpus v1.13.1
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[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling resolv-conf v0.7.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling sha-1 v0.9.8
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling leveldb-sys v2.0.9
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling msg_store_uuid v0.1.0 (/opt/rustwide/workdir/msg_store_uuid)
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling brotli v3.3.3
[INFO] [stderr]    Compiling msg-store v0.9.1 (/opt/rustwide/workdir/msg-store)
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> msg-store/src/lib.rs:502:13
[INFO] [stdout]     |
[INFO] [stdout] 502 |         let mut group = match self.groups_map.get_mut(&priority) {
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling parking_lot v0.12.0
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling mio v0.8.2
[INFO] [stderr]    Compiling bytestring v1.0.0
[INFO] [stderr]    Compiling ffi-opaque v2.0.1
[INFO] [stderr]    Compiling getrandom v0.2.4
[INFO] [stderr]    Compiling db-key v0.0.5
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling http-body v0.4.4
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling actix-macros v0.1.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling tokio-macros v1.7.0
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[INFO] [stderr]    Compiling actix_derive v0.5.0
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling pin-project v0.4.29
[INFO] [stderr]    Compiling pin-project v1.0.10
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling actix-codec v0.3.0
[INFO] [stderr]    Compiling actix-threadpool v0.3.3
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling actix-rt v1.1.1
[INFO] [stderr]    Compiling actix-service v1.0.6
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling trust-dns-proto v0.19.7
[INFO] [stderr]    Compiling actix-utils v2.0.0
[INFO] [stderr]    Compiling actix-server v1.0.4
[INFO] [stderr]    Compiling actix-tls v2.0.0
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling actix-router v0.2.7
[INFO] [stderr]    Compiling trust-dns-resolver v0.19.7
[INFO] [stderr]    Compiling actix-testing v1.0.1
[INFO] [stderr]    Compiling tokio-util v0.6.9
[INFO] [stderr]    Compiling msg_store_database_plugin v0.1.0 (/opt/rustwide/workdir/msg_store_database_plugin)
[INFO] [stderr]    Compiling msg_store_database_in_memory_plugin v0.1.0 (/opt/rustwide/workdir/msg_store_database_in_memory_plugin)
[INFO] [stderr]    Compiling h2 v0.3.12
[INFO] [stderr]    Compiling actix-connect v2.0.0
[INFO] [stderr]    Compiling actix v0.10.0
[INFO] [stderr]    Compiling leveldb v0.8.6
[INFO] [stderr]    Compiling msg_store_database_leveldb_plugin v0.1.0 (/opt/rustwide/workdir/msg_store_database_leveldb_plugin)
[INFO] [stderr]    Compiling msg_store_server_api v0.1.1 (/opt/rustwide/workdir/msg_store_server_api)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> msg_store_server_api/src/msg/get.rs:116:25
[INFO] [stdout]     |
[INFO] [stdout] 116 |                     let mut body = self.as_mut().get_mut();
[INFO] [stdout]     |                         ----^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> msg_store_server_api/src/msg/get.rs:128:25
[INFO] [stdout]     |
[INFO] [stdout] 128 |                     let mut body = self.as_mut().get_mut();
[INFO] [stdout]     |                         ----^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> msg_store_server_api/src/msg/get.rs:135:21
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 let mut body = self.as_mut().get_mut();
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling actix-http v2.2.2
[INFO] [stderr]    Compiling awc v2.0.3
[INFO] [stderr]    Compiling hyper v0.14.17
[INFO] [stderr]    Compiling actix-web v3.3.3
[INFO] [stderr]    Compiling actix-multipart v0.3.0
[INFO] [stderr]    Compiling actix-web-actors v3.0.0
[INFO] [stderr]    Compiling msg-store-http-server v0.1.5 (/opt/rustwide/workdir/msg-store-http-server)
[INFO] [stdout] warning: struct `MsgData` is never constructed
[INFO] [stdout]   --> msg-store-http-server/src/api/msg/get.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct MsgData {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling msg-store-http-server-stresser v0.1.0 (/opt/rustwide/workdir/msg-store-http-server-stresser)
[INFO] [stdout] warning: function `send_message` is never used
[INFO] [stdout]    --> msg-store-http-server-stresser/src/main.rs:110:10
[INFO] [stdout]     |
[INFO] [stdout] 110 | async fn send_message() {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `start_server` is never used
[INFO] [stdout]    --> msg-store-http-server-stresser/src/main.rs:121:10
[INFO] [stdout]     |
[INFO] [stdout] 121 | async fn start_server(msg_store_dir: PathBuf) -> JoinHandle<Output> {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 30s
[INFO] running `Command { std: "docker" "inspect" "9a1d8fc3cb4f8d4b6b9869d7f6efaf6716bab73347a173d404f2e81337fa1640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a1d8fc3cb4f8d4b6b9869d7f6efaf6716bab73347a173d404f2e81337fa1640", kill_on_drop: false }`
[INFO] [stdout] 9a1d8fc3cb4f8d4b6b9869d7f6efaf6716bab73347a173d404f2e81337fa1640
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7846a25808ea0bbdc591ef53f39705f5c403d9511311c947b2dfae6789b63b33
[INFO] running `Command { std: "docker" "start" "-a" "7846a25808ea0bbdc591ef53f39705f5c403d9511311c947b2dfae6789b63b33", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> msg-store/src/lib.rs:502:13
[INFO] [stdout]     |
[INFO] [stdout] 502 |         let mut group = match self.groups_map.get_mut(&priority) {
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling msg_store_server_api v0.1.1 (/opt/rustwide/workdir/msg_store_server_api)
[INFO] [stderr]    Compiling msg_store_database_leveldb_plugin v0.1.0 (/opt/rustwide/workdir/msg_store_database_leveldb_plugin)
[INFO] [stderr]    Compiling msg_store_database_in_memory_plugin v0.1.0 (/opt/rustwide/workdir/msg_store_database_in_memory_plugin)
[INFO] [stderr]    Compiling msg_store_database_plugin v0.1.0 (/opt/rustwide/workdir/msg_store_database_plugin)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> msg_store_server_api/src/msg/get.rs:116:25
[INFO] [stdout]     |
[INFO] [stdout] 116 |                     let mut body = self.as_mut().get_mut();
[INFO] [stdout]     |                         ----^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> msg_store_server_api/src/msg/get.rs:128:25
[INFO] [stdout]     |
[INFO] [stdout] 128 |                     let mut body = self.as_mut().get_mut();
[INFO] [stdout]     |                         ----^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> msg_store_server_api/src/msg/get.rs:135:21
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 let mut body = self.as_mut().get_mut();
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling msg-store v0.9.1 (/opt/rustwide/workdir/msg-store)
[INFO] [stderr]    Compiling msg_store_uuid v0.1.0 (/opt/rustwide/workdir/msg_store_uuid)
[INFO] [stderr]    Compiling msg-store-http-server v0.1.5 (/opt/rustwide/workdir/msg-store-http-server)
[INFO] [stderr]    Compiling msg-store-http-server-stresser v0.1.0 (/opt/rustwide/workdir/msg-store-http-server-stresser)
[INFO] [stdout] warning: function `send_message` is never used
[INFO] [stdout]    --> msg-store-http-server-stresser/src/main.rs:110:10
[INFO] [stdout]     |
[INFO] [stdout] 110 | async fn send_message() {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `start_server` is never used
[INFO] [stdout]    --> msg-store-http-server-stresser/src/main.rs:121:10
[INFO] [stdout]     |
[INFO] [stdout] 121 | async fn start_server(msg_store_dir: PathBuf) -> JoinHandle<Output> {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> msg-store/src/lib.rs:502:13
[INFO] [stdout]     |
[INFO] [stdout] 502 |         let mut group = match self.groups_map.get_mut(&priority) {
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> msg-store/src/lib.rs:907:17
[INFO] [stdout]     |
[INFO] [stdout] 907 |             let mut group = store.groups_map.get_mut(&1).expect("Could not find group");
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> msg-store/src/lib.rs:917:17
[INFO] [stdout]     |
[INFO] [stdout] 917 |             let mut group = store.groups_map.get_mut(&1).expect("Could not get mutable group");
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> msg-store/src/lib.rs:928:17
[INFO] [stdout]     |
[INFO] [stdout] 928 |             let mut group = store.groups_map.get_mut(&1).expect("Could not get mutable group");
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> msg-store/src/lib.rs:990:17
[INFO] [stdout]     |
[INFO] [stdout] 990 |             let mut group = store.groups_map.get_mut(&1).expect("Could not get mutable group");
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> msg-store/src/lib.rs:1022:17
[INFO] [stdout]      |
[INFO] [stdout] 1022 |             let mut group = store.groups_map.get_mut(&2).expect("Group not found");
[INFO] [stdout]      |                 ----^^^^^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MsgData` is never constructed
[INFO] [stdout]   --> msg-store-http-server/src/api/msg/get.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct MsgData {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> msg_store_server_api/src/msg/get.rs:116:25
[INFO] [stdout]     |
[INFO] [stdout] 116 |                     let mut body = self.as_mut().get_mut();
[INFO] [stdout]     |                         ----^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> msg_store_server_api/src/msg/get.rs:128:25
[INFO] [stdout]     |
[INFO] [stdout] 128 |                     let mut body = self.as_mut().get_mut();
[INFO] [stdout]     |                         ----^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> msg_store_server_api/src/msg/get.rs:135:21
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 let mut body = self.as_mut().get_mut();
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.92s
[INFO] running `Command { std: "docker" "inspect" "7846a25808ea0bbdc591ef53f39705f5c403d9511311c947b2dfae6789b63b33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7846a25808ea0bbdc591ef53f39705f5c403d9511311c947b2dfae6789b63b33", kill_on_drop: false }`
[INFO] [stdout] 7846a25808ea0bbdc591ef53f39705f5c403d9511311c947b2dfae6789b63b33
