[INFO] cloning repository https://github.com/lark-in-today/sled-rpc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lark-in-today/sled-rpc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flark-in-today%2Fsled-rpc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flark-in-today%2Fsled-rpc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 20d4d53e6ab2016bf3fe362f93d50453a9c78dc9
[INFO] checking lark-in-today/sled-rpc against master#ab26b175979ee7b2cb3302dce204b99df96f7efb for pr-157696
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flark-in-today%2Fsled-rpc" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lark-in-today/sled-rpc
[INFO] finished tweaking git repo https://github.com/lark-in-today/sled-rpc
[INFO] tweaked toml for git repo https://github.com/lark-in-today/sled-rpc written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lark-in-today/sled-rpc on toolchain ab26b175979ee7b2cb3302dce204b99df96f7efb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab26b175979ee7b2cb3302dce204b99df96f7efb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lark-in-today/sled-rpc 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" "+ab26b175979ee7b2cb3302dce204b99df96f7efb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.94
[INFO] [stderr]   Downloaded sled v0.24.1
[INFO] [stderr]   Downloaded serde_bytes v0.11.1
[INFO] [stderr]   Downloaded historian v4.0.3
[INFO] [stderr]   Downloaded bincode v1.1.4
[INFO] [stderr]   Downloaded jsonrpc-core v12.0.0
[INFO] [stderr]   Downloaded want v0.2.0
[INFO] [stderr]   Downloaded jsonrpc-server-utils v12.0.0
[INFO] [stderr]   Downloaded jsonrpc-http-server v12.0.0
[INFO] [stderr]   Downloaded http-body v0.1.0
[INFO] [stderr]   Downloaded serde v1.0.94
[INFO] [stderr]   Downloaded futures-cpupool v0.1.8
[INFO] [stderr]   Downloaded try-lock v0.2.2
[INFO] [stderr]   Downloaded string v0.2.1
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[INFO] [stderr]   Downloaded tokio-buf v0.1.1
[INFO] [stderr]   Downloaded indexmap v1.0.2
[INFO] [stderr]   Downloaded unicase v2.4.0
[INFO] [stderr]   Downloaded crossbeam-epoch v0.7.1
[INFO] [stderr]   Downloaded ryu v1.0.0
[INFO] [stderr]   Downloaded rayon-core v1.5.0
[INFO] [stderr]   Downloaded hashbrown v0.3.1
[INFO] [stderr]   Downloaded backtrace v0.3.32
[INFO] [stderr]   Downloaded aho-corasick v0.7.4
[INFO] [stderr]   Downloaded pagecache v0.17.0
[INFO] [stderr]   Downloaded serde_json v1.0.40
[INFO] [stderr]   Downloaded http v0.1.17
[INFO] [stderr]   Downloaded syn v0.15.39
[INFO] [stderr]   Downloaded h2 v0.1.25
[INFO] [stderr]   Downloaded hyper v0.12.31
[INFO] [stderr]   Downloaded rayon v1.1.0
[INFO] [stderr]   Downloaded regex v1.1.8
[INFO] [stderr]   Downloaded bstr v0.2.1
[INFO] [stderr]   Downloaded backtrace-sys v0.1.30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 626c1218b3fea56408d58215f39e2215a98f76a21d2d8851e1909850bdca696e
[INFO] running `Command { std: "docker" "start" "626c1218b3fea56408d58215f39e2215a98f76a21d2d8851e1909850bdca696e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "626c1218b3fea56408d58215f39e2215a98f76a21d2d8851e1909850bdca696e" "/opt/rustwide/cargo-home/bin/cargo" "+ab26b175979ee7b2cb3302dce204b99df96f7efb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "626c1218b3fea56408d58215f39e2215a98f76a21d2d8851e1909850bdca696e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "626c1218b3fea56408d58215f39e2215a98f76a21d2d8851e1909850bdca696e" "/opt/rustwide/cargo-home/bin/cargo" "+ab26b175979ee7b2cb3302dce204b99df96f7efb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
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[INFO] [stderr]     Checking stable_deref_trait v1.1.1
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[INFO] [stderr]    Compiling version_check v0.1.5
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[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]     Checking thread_local v0.3.6
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[INFO] [stderr]    Compiling crc32fast v1.2.0
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[INFO] [stderr]     Checking tokio-codec v0.1.1
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[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.25
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking hashbrown v0.3.1
[INFO] [stderr]     Checking serde_bytes v0.11.1
[INFO] [stderr]     Checking pagecache v0.17.0
[INFO] [stderr]     Checking jsonrpc-core v12.0.0
[INFO] [stderr]     Checking jsonrpc-server-utils v12.0.0
[INFO] [stderr]     Checking jsonrpc-http-server v12.0.0
[INFO] [stderr]     Checking sled v0.24.1
[INFO] [stderr]     Checking sled-rpc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let mut t: std::sync::Arc<sled::Tree>;
[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/main.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let mut t: std::sync::Arc<sled::Tree>;
[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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.53s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: pagecache v0.17.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "626c1218b3fea56408d58215f39e2215a98f76a21d2d8851e1909850bdca696e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "626c1218b3fea56408d58215f39e2215a98f76a21d2d8851e1909850bdca696e", kill_on_drop: false }`
[INFO] [stdout] 626c1218b3fea56408d58215f39e2215a98f76a21d2d8851e1909850bdca696e
