[INFO] fetching crate checked-enum 0.1.1-alpha1...
[INFO] testing checked-enum-0.1.1-alpha1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate checked-enum 0.1.1-alpha1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate checked-enum 0.1.1-alpha1 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 checked-enum 0.1.1-alpha1
[INFO] finished tweaking crates.io crate checked-enum 0.1.1-alpha1
[INFO] tweaked toml for crates.io crate checked-enum 0.1.1-alpha1 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 37ded6ba2d0d9bba593727b9849e5a88b12d81d4a5d4ee8ee1cdc43e764337cc
[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" "37ded6ba2d0d9bba593727b9849e5a88b12d81d4a5d4ee8ee1cdc43e764337cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37ded6ba2d0d9bba593727b9849e5a88b12d81d4a5d4ee8ee1cdc43e764337cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37ded6ba2d0d9bba593727b9849e5a88b12d81d4a5d4ee8ee1cdc43e764337cc", kill_on_drop: false }`
[INFO] [stdout] 37ded6ba2d0d9bba593727b9849e5a88b12d81d4a5d4ee8ee1cdc43e764337cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] b91d8734d47a6c1b69ccb4e5a340c85bb8bb63040fc4dab62d6cc8f557e7127c
[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" "b91d8734d47a6c1b69ccb4e5a340c85bb8bb63040fc4dab62d6cc8f557e7127c", kill_on_drop: false }`
[INFO] [stderr]    Compiling checked-enum v0.1.1-alpha1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "b91d8734d47a6c1b69ccb4e5a340c85bb8bb63040fc4dab62d6cc8f557e7127c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b91d8734d47a6c1b69ccb4e5a340c85bb8bb63040fc4dab62d6cc8f557e7127c", kill_on_drop: false }`
[INFO] [stdout] b91d8734d47a6c1b69ccb4e5a340c85bb8bb63040fc4dab62d6cc8f557e7127c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] e3a5342dd80fb57ac92d799e66e138020f231b3d9b8aea6628aeccb26c15afb1
[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" "e3a5342dd80fb57ac92d799e66e138020f231b3d9b8aea6628aeccb26c15afb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling checked-enum v0.1.1-alpha1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "e3a5342dd80fb57ac92d799e66e138020f231b3d9b8aea6628aeccb26c15afb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3a5342dd80fb57ac92d799e66e138020f231b3d9b8aea6628aeccb26c15afb1", kill_on_drop: false }`
[INFO] [stdout] e3a5342dd80fb57ac92d799e66e138020f231b3d9b8aea6628aeccb26c15afb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 1afa180690e560bfedf211798506d6402cdb4f72a6f891a40681cb00afebb38f
[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" "1afa180690e560bfedf211798506d6402cdb4f72a6f891a40681cb00afebb38f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/checked_enum-39f525d37d4316ab
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/basic-f7b94059311295a4
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests checked-enum
[INFO] [stdout] test basics ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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] running `Command { std: "docker" "inspect" "1afa180690e560bfedf211798506d6402cdb4f72a6f891a40681cb00afebb38f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1afa180690e560bfedf211798506d6402cdb4f72a6f891a40681cb00afebb38f", kill_on_drop: false }`
[INFO] [stdout] 1afa180690e560bfedf211798506d6402cdb4f72a6f891a40681cb00afebb38f