[INFO] fetching crate tinyfield 0.1.1...
[INFO] testing tinyfield-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate tinyfield 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate tinyfield 0.1.1 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 tinyfield 0.1.1
[INFO] finished tweaking crates.io crate tinyfield 0.1.1
[INFO] tweaked toml for crates.io crate tinyfield 0.1.1 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] f998308768da32c1a04e6ff9c8fb7dd546d4c3390841ded903d848d4587bf9c0
[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" "f998308768da32c1a04e6ff9c8fb7dd546d4c3390841ded903d848d4587bf9c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f998308768da32c1a04e6ff9c8fb7dd546d4c3390841ded903d848d4587bf9c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f998308768da32c1a04e6ff9c8fb7dd546d4c3390841ded903d848d4587bf9c0", kill_on_drop: false }`
[INFO] [stdout] f998308768da32c1a04e6ff9c8fb7dd546d4c3390841ded903d848d4587bf9c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] e2d9300d9e28b98cb9ae5b72d186ec66a6ac1976a9f553005b856f5de4a0fab6
[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" "e2d9300d9e28b98cb9ae5b72d186ec66a6ac1976a9f553005b856f5de4a0fab6", kill_on_drop: false }`
[INFO] [stderr]    Compiling tinyfield v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "e2d9300d9e28b98cb9ae5b72d186ec66a6ac1976a9f553005b856f5de4a0fab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2d9300d9e28b98cb9ae5b72d186ec66a6ac1976a9f553005b856f5de4a0fab6", kill_on_drop: false }`
[INFO] [stdout] e2d9300d9e28b98cb9ae5b72d186ec66a6ac1976a9f553005b856f5de4a0fab6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 0c696ca6170c06513731c39221f4ca3e30a0622303f695802693ba3ebdf36e2b
[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" "0c696ca6170c06513731c39221f4ca3e30a0622303f695802693ba3ebdf36e2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling tinyfield v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.52s
[INFO] running `Command { std: "docker" "inspect" "0c696ca6170c06513731c39221f4ca3e30a0622303f695802693ba3ebdf36e2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c696ca6170c06513731c39221f4ca3e30a0622303f695802693ba3ebdf36e2b", kill_on_drop: false }`
[INFO] [stdout] 0c696ca6170c06513731c39221f4ca3e30a0622303f695802693ba3ebdf36e2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 8466009e50df9f41d4b6adecb6b12e8a7551ca008147d0cc18dd78a12f57d6da
[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" "8466009e50df9f41d4b6adecb6b12e8a7551ca008147d0cc18dd78a12f57d6da", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tinyfield-719c0fa84d2d91a0
[INFO] [stdout] 
[INFO] [stdout] running 56 tests
[INFO] [stdout] test fields::tests_002::gf002 ... ok
[INFO] [stdout] test fields::tests_007::gf007 ... ok
[INFO] [stdout] test fields::tests_017::gf017 ... ok
[INFO] [stdout] test fields::tests_011::gf011 ... ok
[INFO] [stdout] test fields::tests_013::gf013 ... ok
[INFO] [stdout] test fields::tests_019::gf019 ... ok
[INFO] [stdout] test fields::tests_037::gf037 ... ok
[INFO] [stdout] test fields::tests_023::gf023 ... ok
[INFO] [stdout] test fields::tests_031::gf031 ... ok
[INFO] [stdout] test fields::tests_041::gf041 ... ok
[INFO] [stdout] test fields::tests_059::gf059 ... ok
[INFO] [stdout] test fields::tests_043::gf043 ... ok
[INFO] [stdout] test fields::tests_005::gf005 ... ok
[INFO] [stdout] test fields::tests_003::gf003 ... ok
[INFO] [stdout] test fields::tests_029::gf029 ... ok
[INFO] [stdout] test fields::tests_067::gf067 ... ok
[INFO] [stdout] test fields::tests_047::gf047 ... ok
[INFO] [stdout] test fields::tests_079::gf079 ... ok
[INFO] [stdout] test fields::tests_089::gf089 ... ok
[INFO] [stdout] test fields::tests_061::gf061 ... ok
[INFO] [stdout] test fields::tests_053::gf053 ... ok
[INFO] [stdout] test fields::tests_097::gf097 ... ok
[INFO] [stdout] test fields::tests_073::gf073 ... ok
[INFO] [stdout] test fields::tests_071::gf071 ... ok
[INFO] [stdout] test fields::tests_131::gf131 ... ok
[INFO] [stdout] test fields::tests_109::gf109 ... ok
[INFO] [stdout] test fields::tests_107::gf107 ... ok
[INFO] [stdout] test fields::tests_083::gf083 ... ok
[INFO] [stdout] test fields::tests_113::gf113 ... ok
[INFO] [stdout] test fields::tests_101::gf101 ... ok
[INFO] [stdout] test fields::tests_103::gf103 ... ok
[INFO] [stdout] test fields::tests_167::gf167 ... ok
[INFO] [stdout] test fields::tests_139::gf139 ... ok
[INFO] [stdout] test fields::tests_137::gf137 ... ok
[INFO] [stdout] test fields::tests_127::gf127 ... ok
[INFO] [stdout] test fields::tests_149::gf149 ... ok
[INFO] [stdout] test fields::tests_191::gf191 ... ok
[INFO] [stdout] test fields::tests_179::gf179 ... ok
[INFO] [stdout] test fields::tests_163::gf163 ... ok
[INFO] [stdout] test fields::tests_157::gf157 ... ok
[INFO] [stdout] test fields::tests_151::gf151 ... ok
[INFO] [stdout] test fields::tests_193::gf193 ... ok
[INFO] [stdout] test prime_power_field::tests::gf9 ... ok
[INFO] [stdout] test fields::tests_229::gf229 ... ok
[INFO] [stdout] test fields::tests_199::gf199 ... ok
[INFO] [stdout] test fields::tests_227::gf227 ... ok
[INFO] [stdout] test fields::tests_233::gf233 ... ok
[INFO] [stdout] test fields::tests_173::gf173 ... ok
[INFO] [stdout] test prime_power_field::tests::gf4 ... ok
[INFO] [stdout] test fields::tests_181::gf181 ... ok
[INFO] [stdout] test fields::tests_197::gf197 ... ok
[INFO] [stdout] test fields::tests_211::gf211 ... ok
[INFO] [stdout] test fields::tests_223::gf223 ... ok
[INFO] [stdout] test fields::tests_241::gf241 ... ok
[INFO] [stdout] test fields::tests_251::gf251 ... ok
[INFO] [stdout] test fields::tests_239::gf239 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 56 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tinyfield
[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" "8466009e50df9f41d4b6adecb6b12e8a7551ca008147d0cc18dd78a12f57d6da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8466009e50df9f41d4b6adecb6b12e8a7551ca008147d0cc18dd78a12f57d6da", kill_on_drop: false }`
[INFO] [stdout] 8466009e50df9f41d4b6adecb6b12e8a7551ca008147d0cc18dd78a12f57d6da