[INFO] cloning repository https://github.com/mavjs/simpledb.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mavjs/simpledb.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmavjs%2Fsimpledb.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmavjs%2Fsimpledb.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f7674ecfe23e9930b78d6c82ae740630d0f44c3
[INFO] checking mavjs/simpledb.rs against try#54e27f559f23913c1d5afb1a0f0114e9e61b81b8 for pr-147589
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmavjs%2Fsimpledb.rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mavjs/simpledb.rs
[INFO] finished tweaking git repo https://github.com/mavjs/simpledb.rs
[INFO] tweaked toml for git repo https://github.com/mavjs/simpledb.rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mavjs/simpledb.rs on toolchain 54e27f559f23913c1d5afb1a0f0114e9e61b81b8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mavjs/simpledb.rs 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" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking mavjs/simpledb.rs against try#54e27f559f23913c1d5afb1a0f0114e9e61b81b8 for pr-147589
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmavjs%2Fsimpledb.rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mavjs/simpledb.rs
[INFO] finished tweaking git repo https://github.com/mavjs/simpledb.rs
[INFO] tweaked toml for git repo https://github.com/mavjs/simpledb.rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mavjs/simpledb.rs on toolchain 54e27f559f23913c1d5afb1a0f0114e9e61b81b8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mavjs/simpledb.rs 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" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72ea38d831d69c34a4aeec878c3142841228f507e3e5bf536b340d553ec95327
[INFO] running `Command { std: "docker" "start" "-a" "72ea38d831d69c34a4aeec878c3142841228f507e3e5bf536b340d553ec95327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72ea38d831d69c34a4aeec878c3142841228f507e3e5bf536b340d553ec95327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72ea38d831d69c34a4aeec878c3142841228f507e3e5bf536b340d553ec95327", kill_on_drop: false }`
[INFO] [stdout] 72ea38d831d69c34a4aeec878c3142841228f507e3e5bf536b340d553ec95327
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7bb56a70f2192daa7d51f67bfca70f15a2791c929a7963136dee429a8c5f10b
[INFO] running `Command { std: "docker" "start" "-a" "a7bb56a70f2192daa7d51f67bfca70f15a2791c929a7963136dee429a8c5f10b", kill_on_drop: false }`
[INFO] [stderr]     Checking simpledb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0004]: non-exhaustive patterns: `&_` not covered
[INFO] [stdout]   --> src/main.rs:23:15
[INFO] [stdout]    |
[INFO] [stdout] 23 |         match command {
[INFO] [stdout]    |               ^^^^^^^ pattern `&_` not covered
[INFO] [stdout]    |
[INFO] [stdout]    = note: the matched value is of type `&str`
[INFO] [stdout]    = note: `&str` cannot be matched exhaustively, so a wildcard `_` is necessary
[INFO] [stdout] help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown
[INFO] [stdout]    |
[INFO] [stdout] 26 ~             },
[INFO] [stdout] 27 ~             &_ => todo!(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0004]: non-exhaustive patterns: `&_` not covered
[INFO] [stdout]   --> src/main.rs:23:15
[INFO] [stdout]    |
[INFO] [stdout] 23 |         match command {
[INFO] [stdout]    |               ^^^^^^^ pattern `&_` not covered
[INFO] [stdout]    |
[INFO] [stdout]    = note: the matched value is of type `&str`
[INFO] [stdout]    = note: `&str` cannot be matched exhaustively, so a wildcard `_` is necessary
[INFO] [stdout] help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown
[INFO] [stdout]    |
[INFO] [stdout] 26 ~             },
[INFO] [stdout] 27 ~             &_ => todo!(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0004`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0004`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simpledb` (bin "simpledb" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `simpledb` (bin "simpledb") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "a7bb56a70f2192daa7d51f67bfca70f15a2791c929a7963136dee429a8c5f10b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7bb56a70f2192daa7d51f67bfca70f15a2791c929a7963136dee429a8c5f10b", kill_on_drop: false }`
[INFO] [stdout] a7bb56a70f2192daa7d51f67bfca70f15a2791c929a7963136dee429a8c5f10b