[INFO] fetching crate weezl 0.1.0-alpha...
[INFO] testing weezl-0.1.0-alpha against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate weezl 0.1.0-alpha into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate weezl 0.1.0-alpha on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate weezl 0.1.0-alpha
[INFO] finished tweaking crates.io crate weezl 0.1.0-alpha
[INFO] tweaked toml for crates.io crate weezl 0.1.0-alpha written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate weezl 0.1.0-alpha already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb9555949e2277bda4faab806f7d319bf1de4f2b0d029470b5ac1cd8bc049c1c
[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" "bb9555949e2277bda4faab806f7d319bf1de4f2b0d029470b5ac1cd8bc049c1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb9555949e2277bda4faab806f7d319bf1de4f2b0d029470b5ac1cd8bc049c1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb9555949e2277bda4faab806f7d319bf1de4f2b0d029470b5ac1cd8bc049c1c", kill_on_drop: false }`
[INFO] [stdout] bb9555949e2277bda4faab806f7d319bf1de4f2b0d029470b5ac1cd8bc049c1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49c231c6c638f1cac4ee5a27968df1e8255ddaec7d0aafdb2b7dc1c5ce2d8a63
[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" "49c231c6c638f1cac4ee5a27968df1e8255ddaec7d0aafdb2b7dc1c5ce2d8a63", kill_on_drop: false }`
[INFO] [stderr]    Compiling weezl v0.1.0-alpha (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `min_code`
[INFO] [stdout]   --> bin/lzw.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let min_code = 8;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_min_code`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 1.80s
[INFO] running `Command { std: "docker" "inspect" "49c231c6c638f1cac4ee5a27968df1e8255ddaec7d0aafdb2b7dc1c5ce2d8a63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49c231c6c638f1cac4ee5a27968df1e8255ddaec7d0aafdb2b7dc1c5ce2d8a63", kill_on_drop: false }`
[INFO] [stdout] 49c231c6c638f1cac4ee5a27968df1e8255ddaec7d0aafdb2b7dc1c5ce2d8a63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eed6ffd78982d707be19f2f320986d8bb570a59098421e5fe8fd0f053c03297c
[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" "eed6ffd78982d707be19f2f320986d8bb570a59098421e5fe8fd0f053c03297c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling serde_json v1.0.55
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling criterion v0.3.2
[INFO] [stderr]    Compiling weezl v0.1.0-alpha (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `min_code`
[INFO] [stdout]   --> bin/lzw.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let min_code = 8;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_min_code`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 41.71s
[INFO] running `Command { std: "docker" "inspect" "eed6ffd78982d707be19f2f320986d8bb570a59098421e5fe8fd0f053c03297c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eed6ffd78982d707be19f2f320986d8bb570a59098421e5fe8fd0f053c03297c", kill_on_drop: false }`
[INFO] [stdout] eed6ffd78982d707be19f2f320986d8bb570a59098421e5fe8fd0f053c03297c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 95e8f6b78b5e00fbc6b047b3d6e612133f1622fc47aae4c88186541d7c194525
[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" "95e8f6b78b5e00fbc6b047b3d6e612133f1622fc47aae4c88186541d7c194525", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `min_code`
[INFO] [stderr]   --> bin/lzw.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let min_code = 8;
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_min_code`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/weezl-efbf6834130c65ac
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lzw-f0f422efacf9ede1
[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] [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] [stderr]    Doc-tests weezl
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "95e8f6b78b5e00fbc6b047b3d6e612133f1622fc47aae4c88186541d7c194525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95e8f6b78b5e00fbc6b047b3d6e612133f1622fc47aae4c88186541d7c194525", kill_on_drop: false }`
[INFO] [stdout] 95e8f6b78b5e00fbc6b047b3d6e612133f1622fc47aae4c88186541d7c194525