[INFO] fetching crate uniblocks 0.0.0...
[INFO] testing uniblocks-0.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate uniblocks 0.0.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate uniblocks 0.0.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uniblocks 0.0.0
[INFO] finished tweaking crates.io crate uniblocks 0.0.0
[INFO] tweaked toml for crates.io crate uniblocks 0.0.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ad15280cf53be5a627e14372d1cd4f4e1db180debae18b482e5866eed0d2aa2
[INFO] running `Command { std: "docker" "start" "-a" "2ad15280cf53be5a627e14372d1cd4f4e1db180debae18b482e5866eed0d2aa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ad15280cf53be5a627e14372d1cd4f4e1db180debae18b482e5866eed0d2aa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ad15280cf53be5a627e14372d1cd4f4e1db180debae18b482e5866eed0d2aa2", kill_on_drop: false }`
[INFO] [stdout] 2ad15280cf53be5a627e14372d1cd4f4e1db180debae18b482e5866eed0d2aa2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0ff858ac52823e6282f970d5f5245622803540241e8d8ba4a7b960d1212b9de
[INFO] running `Command { std: "docker" "start" "-a" "a0ff858ac52823e6282f970d5f5245622803540241e8d8ba4a7b960d1212b9de", kill_on_drop: false }`
[INFO] [stderr]    Compiling uniblocks v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `contains_char`
[INFO] [stdout]    --> src/block.rs:855:12
[INFO] [stdout]     |
[INFO] [stdout] 855 |     pub fn contains_char(self, c: char) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "a0ff858ac52823e6282f970d5f5245622803540241e8d8ba4a7b960d1212b9de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0ff858ac52823e6282f970d5f5245622803540241e8d8ba4a7b960d1212b9de", kill_on_drop: false }`
[INFO] [stdout] a0ff858ac52823e6282f970d5f5245622803540241e8d8ba4a7b960d1212b9de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 273ef2618e2b933596f3d3c6386485ff9ee2980f6bdeca74b01ce4c4c541de37
[INFO] running `Command { std: "docker" "start" "-a" "273ef2618e2b933596f3d3c6386485ff9ee2980f6bdeca74b01ce4c4c541de37", kill_on_drop: false }`
[INFO] [stderr]    Compiling uniblocks v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `contains_char`
[INFO] [stdout]    --> src/block.rs:855:12
[INFO] [stdout]     |
[INFO] [stdout] 855 |     pub fn contains_char(self, c: char) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "273ef2618e2b933596f3d3c6386485ff9ee2980f6bdeca74b01ce4c4c541de37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "273ef2618e2b933596f3d3c6386485ff9ee2980f6bdeca74b01ce4c4c541de37", kill_on_drop: false }`
[INFO] [stdout] 273ef2618e2b933596f3d3c6386485ff9ee2980f6bdeca74b01ce4c4c541de37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0f2658bb2656f583e170643859fa1cc7647f9a2896a7d296512616c89e14decc
[INFO] running `Command { std: "docker" "start" "-a" "0f2658bb2656f583e170643859fa1cc7647f9a2896a7d296512616c89e14decc", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `contains_char`
[INFO] [stderr]    --> src/block.rs:855:12
[INFO] [stderr]     |
[INFO] [stderr] 855 |     pub fn contains_char(self, c: char) -> bool {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `uniblocks` (bin "uniblocks" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/uniblocks-fd4ea8ed792434e1)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0f2658bb2656f583e170643859fa1cc7647f9a2896a7d296512616c89e14decc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f2658bb2656f583e170643859fa1cc7647f9a2896a7d296512616c89e14decc", kill_on_drop: false }`
[INFO] [stdout] 0f2658bb2656f583e170643859fa1cc7647f9a2896a7d296512616c89e14decc