[INFO] fetching crate msg_store_server_api 0.1.1...
[INFO] checking msg_store_server_api-0.1.1 against master#a3f76a26e045a760bb1163b7eab36872985242d5 for pr-130930
[INFO] extracting crate msg_store_server_api 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate msg_store_server_api 0.1.1 on toolchain a3f76a26e045a760bb1163b7eab36872985242d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "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 db-key v0.0.5 (available: v0.1.0)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (available: v0.4.0)
[INFO] [stderr]       Adding rand v0.4.6 (available: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (available: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (available: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (available: v0.8.3)
[INFO] [stderr]       Adding remove_dir_all v0.5.3 (available: v0.8.4)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded msg_store_database_plugin v0.1.0
[INFO] [stderr]   Downloaded leveldb v0.8.6
[INFO] [stderr]   Downloaded ffi-opaque v2.0.1
[INFO] [stderr]   Downloaded msg_store_database_leveldb_plugin v0.1.0
[INFO] [stderr]   Downloaded msg_store_uuid v0.1.0
[INFO] [stderr]   Downloaded msg-store v0.9.1
[INFO] [stderr]   Downloaded msg_store_database_in_memory_plugin v0.1.0
[INFO] [stderr]   Downloaded leveldb-sys v2.0.9
[INFO] [stderr]   Downloaded db-key v0.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 931d96f6b43c3d1e32a003c46ce51f2c8cc40a93ea2bdaf900c61f95a47e6b6c
[INFO] running `Command { std: "docker" "start" "-a" "931d96f6b43c3d1e32a003c46ce51f2c8cc40a93ea2bdaf900c61f95a47e6b6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "931d96f6b43c3d1e32a003c46ce51f2c8cc40a93ea2bdaf900c61f95a47e6b6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "931d96f6b43c3d1e32a003c46ce51f2c8cc40a93ea2bdaf900c61f95a47e6b6c", kill_on_drop: false }`
[INFO] [stdout] 931d96f6b43c3d1e32a003c46ce51f2c8cc40a93ea2bdaf900c61f95a47e6b6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4087810f690f839c7a63c12385cfde04a2b5b0010c8195058f75aec8025794af
[INFO] running `Command { std: "docker" "start" "-a" "4087810f690f839c7a63c12385cfde04a2b5b0010c8195058f75aec8025794af", kill_on_drop: false }`
[INFO] [stderr]     Checking msg_store_uuid v0.1.0
[INFO] [stderr]     Checking ffi-opaque v2.0.1
[INFO] [stderr]     Checking db-key v0.0.5
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling cmake v0.1.51
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking msg-store v0.9.1
[INFO] [stderr]    Compiling leveldb-sys v2.0.9
[INFO] [stderr]     Checking msg_store_database_plugin v0.1.0
[INFO] [stderr]     Checking msg_store_database_in_memory_plugin v0.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking leveldb v0.8.6
[INFO] [stderr]     Checking msg_store_database_leveldb_plugin v0.1.0
[INFO] [stderr]     Checking 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)]` 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] [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)]` 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] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.26s
[INFO] running `Command { std: "docker" "inspect" "4087810f690f839c7a63c12385cfde04a2b5b0010c8195058f75aec8025794af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4087810f690f839c7a63c12385cfde04a2b5b0010c8195058f75aec8025794af", kill_on_drop: false }`
[INFO] [stdout] 4087810f690f839c7a63c12385cfde04a2b5b0010c8195058f75aec8025794af