[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 try#63132bd615c9bf75e93af8405d00064212331708 for pr-153975
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flark-in-today%2Fsled-rpc" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/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-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lark-in-today/sled-rpc on toolchain 63132bd615c9bf75e93af8405d00064212331708
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+63132bd615c9bf75e93af8405d00064212331708" "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" "+63132bd615c9bf75e93af8405d00064212331708" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking lark-in-today/sled-rpc against try#63132bd615c9bf75e93af8405d00064212331708 for pr-153975
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flark-in-today%2Fsled-rpc" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/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-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lark-in-today/sled-rpc on toolchain 63132bd615c9bf75e93af8405d00064212331708
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+63132bd615c9bf75e93af8405d00064212331708" "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" "+63132bd615c9bf75e93af8405d00064212331708" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.94
[INFO] [stderr]   Downloaded serde_bytes v0.11.1
[INFO] [stderr]   Downloaded redox_users v0.3.0
[INFO] [stderr]   Downloaded historian v4.0.3
[INFO] [stderr]   Downloaded dirs-sys v0.3.3
[INFO] [stderr]   Downloaded jsonrpc-server-utils v12.0.0
[INFO] [stderr]   Downloaded autocfg v0.1.4
[INFO] [stderr]   Downloaded crossbeam-deque v0.6.3
[INFO] [stderr]   Downloaded jsonrpc-core v12.0.0
[INFO] [stderr]   Downloaded dirs v2.0.1
[INFO] [stderr]   Downloaded serde v1.0.94
[INFO] [stderr]   Downloaded globset v0.4.4
[INFO] [stderr]   Downloaded jsonrpc-http-server v12.0.0
[INFO] [stderr]   Downloaded sled v0.24.1
[INFO] [stderr]   Downloaded rayon-core v1.5.0
[INFO] [stderr]   Downloaded backtrace v0.3.32
[INFO] [stderr]   Downloaded hashbrown v0.3.1
[INFO] [stderr]   Downloaded pagecache v0.17.0
[INFO] [stderr]   Downloaded hyper v0.12.31
[INFO] [stderr]   Downloaded rayon v1.1.0
[INFO] [stderr]   Downloaded h2 v0.1.25
[INFO] [stderr]   Downloaded syn v0.15.39
[INFO] [stderr]   Downloaded bincode v1.1.4
[INFO] [stderr]   Downloaded regex v1.1.8
[INFO] [stderr]   Downloaded regex-syntax v0.6.7
[INFO] [stderr]   Downloaded libc v0.2.58
[INFO] [stderr]   Downloaded argon2rs v0.2.5
[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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+63132bd615c9bf75e93af8405d00064212331708" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06d5e3bde5d4e22628403d2009cc6dd5c6d397766e5c492bbe3acc3981b512ec
[INFO] running `Command { std: "docker" "start" "-a" "06d5e3bde5d4e22628403d2009cc6dd5c6d397766e5c492bbe3acc3981b512ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06d5e3bde5d4e22628403d2009cc6dd5c6d397766e5c492bbe3acc3981b512ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06d5e3bde5d4e22628403d2009cc6dd5c6d397766e5c492bbe3acc3981b512ec", kill_on_drop: false }`
[INFO] [stdout] 06d5e3bde5d4e22628403d2009cc6dd5c6d397766e5c492bbe3acc3981b512ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+63132bd615c9bf75e93af8405d00064212331708" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6901a85ad155a763952b0d015b876d1f64fdf6744e482e27fac686d7301a4032
[INFO] running `Command { std: "docker" "start" "-a" "6901a85ad155a763952b0d015b876d1f64fdf6744e482e27fac686d7301a4032", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking futures v0.1.28
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling regex v1.1.8
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling unicase v2.4.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking regex-syntax v0.6.7
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]     Checking utf8-ranges v1.0.3
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling hyper v0.12.31
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking lock_api v0.2.0
[INFO] [stderr]     Checking historian v4.0.3
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking aho-corasick v0.7.4
[INFO] [stderr]     Checking bstr v0.2.1
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking dirs-sys v0.3.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking tokio-sync v0.1.6
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking dirs v2.0.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.17
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking h2 v0.1.25
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]     Checking globset v0.4.4
[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 19.36s
[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" "6901a85ad155a763952b0d015b876d1f64fdf6744e482e27fac686d7301a4032", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6901a85ad155a763952b0d015b876d1f64fdf6744e482e27fac686d7301a4032", kill_on_drop: false }`
[INFO] [stdout] 6901a85ad155a763952b0d015b876d1f64fdf6744e482e27fac686d7301a4032
