[INFO] cloning repository https://github.com/casey/uniblocks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/casey/uniblocks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasey%2Funiblocks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasey%2Funiblocks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9102f82cd5523737bb1f47f3caa4b99df5f1294c
[INFO] testing casey/uniblocks against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasey%2Funiblocks" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/casey/uniblocks on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/casey/uniblocks
[INFO] finished tweaking git repo https://github.com/casey/uniblocks
[INFO] tweaked toml for git repo https://github.com/casey/uniblocks written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/casey/uniblocks already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5bcb47c6c9cc30605a6ddbfcad415798c26d3a658c1c43fea68f082bf79869a8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5bcb47c6c9cc30605a6ddbfcad415798c26d3a658c1c43fea68f082bf79869a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bcb47c6c9cc30605a6ddbfcad415798c26d3a658c1c43fea68f082bf79869a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bcb47c6c9cc30605a6ddbfcad415798c26d3a658c1c43fea68f082bf79869a8", kill_on_drop: false }`
[INFO] [stdout] 5bcb47c6c9cc30605a6ddbfcad415798c26d3a658c1c43fea68f082bf79869a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5f5a2a2749b8ea4d14931a5260ba629672cd1aff1a28a7f048515bec0c057c9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b5f5a2a2749b8ea4d14931a5260ba629672cd1aff1a28a7f048515bec0c057c9", 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 0.90s
[INFO] running `Command { std: "docker" "inspect" "b5f5a2a2749b8ea4d14931a5260ba629672cd1aff1a28a7f048515bec0c057c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5f5a2a2749b8ea4d14931a5260ba629672cd1aff1a28a7f048515bec0c057c9", kill_on_drop: false }`
[INFO] [stdout] b5f5a2a2749b8ea4d14931a5260ba629672cd1aff1a28a7f048515bec0c057c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 178be520e32092d6a375993159d12841bd08c2caecb40cc4fc084cdd58a2b148
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "178be520e32092d6a375993159d12841bd08c2caecb40cc4fc084cdd58a2b148", 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 0.99s
[INFO] running `Command { std: "docker" "inspect" "178be520e32092d6a375993159d12841bd08c2caecb40cc4fc084cdd58a2b148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "178be520e32092d6a375993159d12841bd08c2caecb40cc4fc084cdd58a2b148", kill_on_drop: false }`
[INFO] [stdout] 178be520e32092d6a375993159d12841bd08c2caecb40cc4fc084cdd58a2b148
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6a1bd7a215637279ac7494e4d1df49dff3c94a938881fc0c1e3b03f1c2ea3842
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6a1bd7a215637279ac7494e4d1df49dff3c94a938881fc0c1e3b03f1c2ea3842", 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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/uniblocks-8d2490a8cb1da432
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6a1bd7a215637279ac7494e4d1df49dff3c94a938881fc0c1e3b03f1c2ea3842", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a1bd7a215637279ac7494e4d1df49dff3c94a938881fc0c1e3b03f1c2ea3842", kill_on_drop: false }`
[INFO] [stdout] 6a1bd7a215637279ac7494e4d1df49dff3c94a938881fc0c1e3b03f1c2ea3842