[INFO] fetching crate msg_store_server_api 0.1.1...
[INFO] building msg_store_server_api-0.1.1 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate msg_store_server_api 0.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate msg_store_server_api 0.1.1
[INFO] finished tweaking crates.io crate msg_store_server_api 0.1.1
[INFO] tweaked toml for crates.io crate msg_store_server_api 0.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate msg_store_server_api 0.1.1 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 61 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d03c3bae3b50b4afe130f31a0d73096b19cc43fdaba6d824ccc9649108ac5778
[INFO] running `Command { std: "docker" "start" "-a" "d03c3bae3b50b4afe130f31a0d73096b19cc43fdaba6d824ccc9649108ac5778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d03c3bae3b50b4afe130f31a0d73096b19cc43fdaba6d824ccc9649108ac5778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d03c3bae3b50b4afe130f31a0d73096b19cc43fdaba6d824ccc9649108ac5778", kill_on_drop: false }`
[INFO] [stdout] d03c3bae3b50b4afe130f31a0d73096b19cc43fdaba6d824ccc9649108ac5778
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5574b7d14a62b463c71588b28e50c67edb2b76fd6268b29472e4f79f42260a3a
[INFO] running `Command { std: "docker" "start" "-a" "5574b7d14a62b463c71588b28e50c67edb2b76fd6268b29472e4f79f42260a3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling msg_store_uuid v0.1.0
[INFO] [stderr]    Compiling ffi-opaque v2.0.1
[INFO] [stderr]    Compiling db-key v0.0.5
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling msg-store v0.9.1
[INFO] [stderr]    Compiling leveldb-sys v2.0.9
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling msg_store_database_plugin v0.1.0
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling msg_store_database_in_memory_plugin v0.1.0
[INFO] [stderr]    Compiling leveldb v0.8.6
[INFO] [stderr]    Compiling msg_store_database_leveldb_plugin v0.1.0
[INFO] [stderr]    Compiling msg_store_server_api v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> 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]    --> 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]    --> 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 `dev` profile [unoptimized + debuginfo] target(s) in 27.11s
[INFO] running `Command { std: "docker" "inspect" "5574b7d14a62b463c71588b28e50c67edb2b76fd6268b29472e4f79f42260a3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5574b7d14a62b463c71588b28e50c67edb2b76fd6268b29472e4f79f42260a3a", kill_on_drop: false }`
[INFO] [stdout] 5574b7d14a62b463c71588b28e50c67edb2b76fd6268b29472e4f79f42260a3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d3e1e30eb049652327a7b83695d04addb837c4a379ed258ec7fea9aaed973e7
[INFO] running `Command { std: "docker" "start" "-a" "0d3e1e30eb049652327a7b83695d04addb837c4a379ed258ec7fea9aaed973e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> 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]    --> 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]    --> 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 tempdir v0.3.7
[INFO] [stderr]    Compiling msg_store_server_api v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> 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]    --> 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]    --> 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 2.85s
[INFO] running `Command { std: "docker" "inspect" "0d3e1e30eb049652327a7b83695d04addb837c4a379ed258ec7fea9aaed973e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d3e1e30eb049652327a7b83695d04addb837c4a379ed258ec7fea9aaed973e7", kill_on_drop: false }`
[INFO] [stdout] 0d3e1e30eb049652327a7b83695d04addb837c4a379ed258ec7fea9aaed973e7
