[INFO] fetching crate lerp 0.3.0...
[INFO] testing lerp-0.3.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate lerp 0.3.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate lerp 0.3.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lerp 0.3.0
[INFO] finished tweaking crates.io crate lerp 0.3.0
[INFO] tweaked toml for crates.io crate lerp 0.3.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eaef0d1eff61d046cf1f7c8588e7b7e768d61c928abb788552991c61bc403b45
[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" "eaef0d1eff61d046cf1f7c8588e7b7e768d61c928abb788552991c61bc403b45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eaef0d1eff61d046cf1f7c8588e7b7e768d61c928abb788552991c61bc403b45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaef0d1eff61d046cf1f7c8588e7b7e768d61c928abb788552991c61bc403b45", kill_on_drop: false }`
[INFO] [stdout] eaef0d1eff61d046cf1f7c8588e7b7e768d61c928abb788552991c61bc403b45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 939fc804e193ba260ebba9f448a5c43ed86f2c89dba13f64ef5f844e06219693
[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" "939fc804e193ba260ebba9f448a5c43ed86f2c89dba13f64ef5f844e06219693", kill_on_drop: false }`
[INFO] [stderr]    Compiling lerp v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "939fc804e193ba260ebba9f448a5c43ed86f2c89dba13f64ef5f844e06219693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "939fc804e193ba260ebba9f448a5c43ed86f2c89dba13f64ef5f844e06219693", kill_on_drop: false }`
[INFO] [stdout] 939fc804e193ba260ebba9f448a5c43ed86f2c89dba13f64ef5f844e06219693
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5af9ed3d87dd28b9b968390fb03b8798510798def91afde5e72e5231898d325
[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" "b5af9ed3d87dd28b9b968390fb03b8798510798def91afde5e72e5231898d325", kill_on_drop: false }`
[INFO] [stderr]    Compiling lerp v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "b5af9ed3d87dd28b9b968390fb03b8798510798def91afde5e72e5231898d325", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5af9ed3d87dd28b9b968390fb03b8798510798def91afde5e72e5231898d325", kill_on_drop: false }`
[INFO] [stdout] b5af9ed3d87dd28b9b968390fb03b8798510798def91afde5e72e5231898d325
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b07edeb1f6efe08d53b5389c91c0f81641645f6c81ea414eea686f4c956473a6
[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" "b07edeb1f6efe08d53b5389c91c0f81641645f6c81ea414eea686f4c956473a6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lerp-1fd5858afd906fad
[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] [stderr]    Doc-tests lerp
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - Lerp::lerp (line 32) ... ok
[INFO] [stdout] test src/lib.rs - Lerp::lerp_bounded (line 77) ... ok
[INFO] [stdout] test src/lib.rs - Lerp::lerp (line 57) ... ok
[INFO] [stdout] test src/lib.rs - Lerp::lerp (line 50) ... ok
[INFO] [stdout] test src/lib.rs - LerpIter::lerp_iter (line 105) ... ok
[INFO] [stdout] test src/lib.rs - Lerp::lerp_bounded (line 70) ... ok
[INFO] [stdout] test src/lib.rs - Lerp::lerp (line 43) ... ok
[INFO] [stdout] test src/lib.rs - LerpIter::lerp_iter_closed (line 122) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.60s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b07edeb1f6efe08d53b5389c91c0f81641645f6c81ea414eea686f4c956473a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b07edeb1f6efe08d53b5389c91c0f81641645f6c81ea414eea686f4c956473a6", kill_on_drop: false }`
[INFO] [stdout] b07edeb1f6efe08d53b5389c91c0f81641645f6c81ea414eea686f4c956473a6