[INFO] cloning repository https://github.com/kwdowicz/rhm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kwdowicz/rhm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkwdowicz%2Frhm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkwdowicz%2Frhm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 430d27d97dc6759aa96837837ec979a52cc92e5a
[INFO] building kwdowicz/rhm against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkwdowicz%2Frhm" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kwdowicz/rhm
[INFO] finished tweaking git repo https://github.com/kwdowicz/rhm
[INFO] tweaked toml for git repo https://github.com/kwdowicz/rhm written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kwdowicz/rhm on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kwdowicz/rhm 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b74475b260884975c8b4cd8c0347c7c7a13e4c190a25ed1f3d4d50c89e280e6d
[INFO] running `Command { std: "docker" "start" "-a" "b74475b260884975c8b4cd8c0347c7c7a13e4c190a25ed1f3d4d50c89e280e6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b74475b260884975c8b4cd8c0347c7c7a13e4c190a25ed1f3d4d50c89e280e6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b74475b260884975c8b4cd8c0347c7c7a13e4c190a25ed1f3d4d50c89e280e6d", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e64e53f0064144de3d69b3d8431441940094ae283d26de7823c1de9f1d8d3f61
[INFO] running `Command { std: "docker" "start" "-a" "e64e53f0064144de3d69b3d8431441940094ae283d26de7823c1de9f1d8d3f61", kill_on_drop: false }`
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[INFO] [stderr]    Compiling async-stream-impl v0.3.6
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[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling prost v0.12.6
[INFO] [stderr]    Compiling prost-types v0.12.6
[INFO] [stderr]    Compiling prost-build v0.12.6
[INFO] [stderr]    Compiling tonic-build v0.11.0
[INFO] [stderr]    Compiling rhm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio-util v0.7.16
[INFO] [stderr]    Compiling tokio-io-timeout v1.2.1
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling h2 v0.3.27
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[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rhm.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let mut contents = self.storage.load().await?;
[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]   --> src/storage.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let mut file = OpenOptions::new()
[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]   --> src/rhm.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let mut contents = self.storage.load().await?;
[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]   --> src/storage.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let mut file = OpenOptions::new()
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RhmClient` is never constructed
[INFO] [stdout]   --> src/client.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct RhmClient {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `connect`, `set`, and `get` are never used
[INFO] [stdout]   --> src/client.rs:15:18
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl RhmClient {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 15 |     pub async fn connect(addr: impl Into<String>) -> Result<Self, Box<dyn std::error::Error>> {
[INFO] [stdout]    |                  ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub async fn set(&mut self, key: &str, value: &str) -> Result<String, Box<dyn std::error::Error>> {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub async fn get(&mut self, key: &str) -> Result<String, Box<dyn std::error::Error>> {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 33s
[INFO] running `Command { std: "docker" "inspect" "e64e53f0064144de3d69b3d8431441940094ae283d26de7823c1de9f1d8d3f61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e64e53f0064144de3d69b3d8431441940094ae283d26de7823c1de9f1d8d3f61", kill_on_drop: false }`
[INFO] [stdout] e64e53f0064144de3d69b3d8431441940094ae283d26de7823c1de9f1d8d3f61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab879bebb62d2b8fde044b2c0eb126a30677c2a5705b496ca3bc2b3e9330bf80
[INFO] running `Command { std: "docker" "start" "-a" "ab879bebb62d2b8fde044b2c0eb126a30677c2a5705b496ca3bc2b3e9330bf80", kill_on_drop: false }`
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rhm.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let mut contents = self.storage.load().await?;
[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]   --> src/storage.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let mut file = OpenOptions::new()
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rhm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rhm.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let mut contents = self.storage.load().await?;
[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]   --> src/storage.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let mut file = OpenOptions::new()
[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]   --> src/rhm.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let mut contents = self.storage.load().await?;
[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]   --> src/storage.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let mut file = OpenOptions::new()
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RhmClient` is never constructed
[INFO] [stdout]   --> src/client.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct RhmClient {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `connect`, `set`, and `get` are never used
[INFO] [stdout]   --> src/client.rs:15:18
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl RhmClient {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 15 |     pub async fn connect(addr: impl Into<String>) -> Result<Self, Box<dyn std::error::Error>> {
[INFO] [stdout]    |                  ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub async fn set(&mut self, key: &str, value: &str) -> Result<String, Box<dyn std::error::Error>> {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub async fn get(&mut self, key: &str) -> Result<String, Box<dyn std::error::Error>> {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.84s
[INFO] running `Command { std: "docker" "inspect" "ab879bebb62d2b8fde044b2c0eb126a30677c2a5705b496ca3bc2b3e9330bf80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab879bebb62d2b8fde044b2c0eb126a30677c2a5705b496ca3bc2b3e9330bf80", kill_on_drop: false }`
[INFO] [stdout] ab879bebb62d2b8fde044b2c0eb126a30677c2a5705b496ca3bc2b3e9330bf80
