[INFO] fetching crate rettle 2.0.0...
[INFO] testing rettle-2.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rettle 2.0.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate rettle 2.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rettle 2.0.0
[INFO] finished tweaking crates.io crate rettle 2.0.0
[INFO] tweaked toml for crates.io crate rettle 2.0.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate rettle 2.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3176ff570e096922168af7af50ecd9b07a3c670dcc83ecd1de6dc18e6df899cc
[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" "3176ff570e096922168af7af50ecd9b07a3c670dcc83ecd1de6dc18e6df899cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3176ff570e096922168af7af50ecd9b07a3c670dcc83ecd1de6dc18e6df899cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3176ff570e096922168af7af50ecd9b07a3c670dcc83ecd1de6dc18e6df899cc", kill_on_drop: false }`
[INFO] [stdout] 3176ff570e096922168af7af50ecd9b07a3c670dcc83ecd1de6dc18e6df899cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f7cdb91be459590c619927810d42c0b2594a54a7558235362cae1eb1f8cf26c
[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" "3f7cdb91be459590c619927810d42c0b2594a54a7558235362cae1eb1f8cf26c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling rettle v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.88s
[INFO] running `Command { std: "docker" "inspect" "3f7cdb91be459590c619927810d42c0b2594a54a7558235362cae1eb1f8cf26c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f7cdb91be459590c619927810d42c0b2594a54a7558235362cae1eb1f8cf26c", kill_on_drop: false }`
[INFO] [stdout] 3f7cdb91be459590c619927810d42c0b2594a54a7558235362cae1eb1f8cf26c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb23caa4bb01d045d81cc52470e5d58d29640c42669c770382c57d163f9d314d
[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" "fb23caa4bb01d045d81cc52470e5d58d29640c42669c770382c57d163f9d314d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rettle v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `val`
[INFO] [stdout]   --> src/pot.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |         pub val: i32
[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 1.91s
[INFO] running `Command { std: "docker" "inspect" "fb23caa4bb01d045d81cc52470e5d58d29640c42669c770382c57d163f9d314d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb23caa4bb01d045d81cc52470e5d58d29640c42669c770382c57d163f9d314d", kill_on_drop: false }`
[INFO] [stdout] fb23caa4bb01d045d81cc52470e5d58d29640c42669c770382c57d163f9d314d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4adcb2397d67e312ae93c636dcd3a2899c731c944cdfbdbc260524324f4b4cf3
[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" "4adcb2397d67e312ae93c636dcd3a2899c731c944cdfbdbc260524324f4b4cf3", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: field is never read: `val`
[INFO] [stdout] running 15 tests
[INFO] [stderr]   --> src/pot.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |         pub val: i32
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rettle` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rettle-26770380d1f95372)
[INFO] [stdout] test ingredient::tests::create_skim_with_params ... ok
[INFO] [stdout] test ingredient::tests::create_fill_no_params ... ok
[INFO] [stdout] test ingredient::tests::create_steep_with_params ... ok
[INFO] [stdout] test pot::tests::create_empty_pot ... ok
[INFO] [stdout] test ingredient::tests::create_steep_no_params ... ok
[INFO] [stdout] test ingredient::tests::create_skim_no_params ... ok
[INFO] [stdout] test ingredient::tests::create_fill_with_params ... ok
[INFO] [stdout] test pot::tests::create_pot_with_recipe ... ok
[INFO] [stdout] test pot::tests::create_pot_with_recipe_and_optional_params ... ok
[INFO] [stdout] test pot::tests::create_pot_with_source ... ok
[INFO] [stdout] test ingredient::tests::create_pour_no_params ... ok
[INFO] [stdout] test ingredient::tests::create_pour_with_params ... ok
[INFO] [stdout] test pot::tests::create_pot_with_source_and_recipe ... ok
[INFO] [stdout] test brewery::tests::create_brewery_with_brewers ... ok
[INFO] [stdout] test brewery::tests::create_brewery_with_no_brewers - should panic ... ok
[INFO] [stderr]    Doc-tests rettle
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 25) ... ignored
[INFO] [stdout] test src/lib.rs - (line 36) ... ignored
[INFO] [stdout] test src/lib.rs - (line 53) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4adcb2397d67e312ae93c636dcd3a2899c731c944cdfbdbc260524324f4b4cf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4adcb2397d67e312ae93c636dcd3a2899c731c944cdfbdbc260524324f4b4cf3", kill_on_drop: false }`
[INFO] [stdout] 4adcb2397d67e312ae93c636dcd3a2899c731c944cdfbdbc260524324f4b4cf3