[INFO] fetching crate waltz 0.4.1...
[INFO] testing waltz-0.4.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate waltz 0.4.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate waltz 0.4.1 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 waltz 0.4.1
[INFO] finished tweaking crates.io crate waltz 0.4.1
[INFO] tweaked toml for crates.io crate waltz 0.4.1 written to /workspace/builds/worker-7/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3551ffa0af8a7f5312ea1129979d11c0a5c40a086008d9e61e5543d307e7a4e
[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" "b3551ffa0af8a7f5312ea1129979d11c0a5c40a086008d9e61e5543d307e7a4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3551ffa0af8a7f5312ea1129979d11c0a5c40a086008d9e61e5543d307e7a4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3551ffa0af8a7f5312ea1129979d11c0a5c40a086008d9e61e5543d307e7a4e", kill_on_drop: false }`
[INFO] [stdout] b3551ffa0af8a7f5312ea1129979d11c0a5c40a086008d9e61e5543d307e7a4e
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 99279d8dc9f80544d41722bd1fa345c1a979a982e36c36a8bebfa2f8ce559fcb
[INFO] running `Command { std: "docker" "start" "-a" "99279d8dc9f80544d41722bd1fa345c1a979a982e36c36a8bebfa2f8ce559fcb", kill_on_drop: false }`
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling waltz v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.07s
[INFO] running `Command { std: "docker" "inspect" "99279d8dc9f80544d41722bd1fa345c1a979a982e36c36a8bebfa2f8ce559fcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99279d8dc9f80544d41722bd1fa345c1a979a982e36c36a8bebfa2f8ce559fcb", kill_on_drop: false }`
[INFO] [stdout] 99279d8dc9f80544d41722bd1fa345c1a979a982e36c36a8bebfa2f8ce559fcb
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 353f9f5b3410131fd0e995bac868dba854a35a67845e55e84f4eb5a029fc0942
[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" "353f9f5b3410131fd0e995bac868dba854a35a67845e55e84f4eb5a029fc0942", kill_on_drop: false }`
[INFO] [stderr]    Compiling waltz v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.48s
[INFO] running `Command { std: "docker" "inspect" "353f9f5b3410131fd0e995bac868dba854a35a67845e55e84f4eb5a029fc0942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "353f9f5b3410131fd0e995bac868dba854a35a67845e55e84f4eb5a029fc0942", kill_on_drop: false }`
[INFO] [stdout] 353f9f5b3410131fd0e995bac868dba854a35a67845e55e84f4eb5a029fc0942
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6362eda832316233d257858d04174aac5bd62135c4cb1bc3062fc284267e856a
[INFO] running `Command { std: "docker" "start" "-a" "6362eda832316233d257858d04174aac5bd62135c4cb1bc3062fc284267e856a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/waltz-63192a0ec0527386
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test code_flags::test::no_lang ... ok
[INFO] [stdout] test code_flags::test::simple_flags_comma ... ok
[INFO] [stdout] test code_flags::test::run_flag ... ok
[INFO] [stdout] test code_flags::test::no_filename_in_flags ... ok
[INFO] [stdout] test code_flags::test::all_the_flags ... ok
[INFO] [stdout] test code_flags::test::simple_flags_space ... ok
[INFO] [stdout] test code_block::test::parsing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests waltz
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - extract_code_blocks (line 44) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.20s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6362eda832316233d257858d04174aac5bd62135c4cb1bc3062fc284267e856a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6362eda832316233d257858d04174aac5bd62135c4cb1bc3062fc284267e856a", kill_on_drop: false }`
[INFO] [stdout] 6362eda832316233d257858d04174aac5bd62135c4cb1bc3062fc284267e856a