[INFO] fetching crate bezier1 0.2.0...
[INFO] testing bezier1-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate bezier1 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate bezier1 0.2.0 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 crates.io crate bezier1 0.2.0
[INFO] finished tweaking crates.io crate bezier1 0.2.0
[INFO] tweaked toml for crates.io crate bezier1 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1dea4aea1f79d2ac62a6b7145e207a15952bd4c145156ccd82dfc9df316f7365
[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" "1dea4aea1f79d2ac62a6b7145e207a15952bd4c145156ccd82dfc9df316f7365", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1dea4aea1f79d2ac62a6b7145e207a15952bd4c145156ccd82dfc9df316f7365", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dea4aea1f79d2ac62a6b7145e207a15952bd4c145156ccd82dfc9df316f7365", kill_on_drop: false }`
[INFO] [stdout] 1dea4aea1f79d2ac62a6b7145e207a15952bd4c145156ccd82dfc9df316f7365
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6890c766addf529bba3c0dc43d8006a792e925b9ffacece41887963e5ffddaa
[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" "b6890c766addf529bba3c0dc43d8006a792e925b9ffacece41887963e5ffddaa", kill_on_drop: false }`
[INFO] [stderr]    Compiling cast_trait v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling bezier1 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.62s
[INFO] running `Command { std: "docker" "inspect" "b6890c766addf529bba3c0dc43d8006a792e925b9ffacece41887963e5ffddaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6890c766addf529bba3c0dc43d8006a792e925b9ffacece41887963e5ffddaa", kill_on_drop: false }`
[INFO] [stdout] b6890c766addf529bba3c0dc43d8006a792e925b9ffacece41887963e5ffddaa
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79d8801c3a0dc91a2afc4778502d5ea8332d4db7b6ead07e00967d5e5511d547
[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" "79d8801c3a0dc91a2afc4778502d5ea8332d4db7b6ead07e00967d5e5511d547", kill_on_drop: false }`
[INFO] [stderr]    Compiling bezier1 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "79d8801c3a0dc91a2afc4778502d5ea8332d4db7b6ead07e00967d5e5511d547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79d8801c3a0dc91a2afc4778502d5ea8332d4db7b6ead07e00967d5e5511d547", kill_on_drop: false }`
[INFO] [stdout] 79d8801c3a0dc91a2afc4778502d5ea8332d4db7b6ead07e00967d5e5511d547
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ba3ffb09d537ba8c2804ed6e517804356c42914efe49d276b4c74e6f92a8f4cf
[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" "ba3ffb09d537ba8c2804ed6e517804356c42914efe49d276b4c74e6f92a8f4cf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bezier1-d5c5bc6aaf7e3e06
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test quadratic::test_quadratic ... ok
[INFO] [stdout] test linear::test_linear ... ok
[INFO] [stdout] test n::test_n ... ok
[INFO] [stdout] test cubic::test_cubic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bezier1
[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" "ba3ffb09d537ba8c2804ed6e517804356c42914efe49d276b4c74e6f92a8f4cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba3ffb09d537ba8c2804ed6e517804356c42914efe49d276b4c74e6f92a8f4cf", kill_on_drop: false }`
[INFO] [stdout] ba3ffb09d537ba8c2804ed6e517804356c42914efe49d276b4c74e6f92a8f4cf