[INFO] cloning repository https://github.com/max-block/test__rust-union-error-propogation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/max-block/test__rust-union-error-propogation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmax-block%2Ftest__rust-union-error-propogation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmax-block%2Ftest__rust-union-error-propogation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c8a53dd5e9f805d32a10eb4fc891142f98d2ef97
[INFO] testing max-block/test__rust-union-error-propogation against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmax-block%2Ftest__rust-union-error-propogation" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/max-block/test__rust-union-error-propogation 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 git repo https://github.com/max-block/test__rust-union-error-propogation
[INFO] finished tweaking git repo https://github.com/max-block/test__rust-union-error-propogation
[INFO] tweaked toml for git repo https://github.com/max-block/test__rust-union-error-propogation written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/max-block/test__rust-union-error-propogation already has a lockfile, it will not be regenerated
[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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 54c7ecc540f28a65dad83d8de9a5ab9447ea38646d296a73ac1347f80ece62e6
[INFO] running `Command { std: "docker" "start" "-a" "54c7ecc540f28a65dad83d8de9a5ab9447ea38646d296a73ac1347f80ece62e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54c7ecc540f28a65dad83d8de9a5ab9447ea38646d296a73ac1347f80ece62e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54c7ecc540f28a65dad83d8de9a5ab9447ea38646d296a73ac1347f80ece62e6", kill_on_drop: false }`
[INFO] [stdout] 54c7ecc540f28a65dad83d8de9a5ab9447ea38646d296a73ac1347f80ece62e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] e2bcde082e12365be4447e9bdaca50f6ec5eae7eec3f17700880cfe14ea34497
[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" "e2bcde082e12365be4447e9bdaca50f6ec5eae7eec3f17700880cfe14ea34497", kill_on_drop: false }`
[INFO] [stderr]    Compiling test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "e2bcde082e12365be4447e9bdaca50f6ec5eae7eec3f17700880cfe14ea34497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2bcde082e12365be4447e9bdaca50f6ec5eae7eec3f17700880cfe14ea34497", kill_on_drop: false }`
[INFO] [stdout] e2bcde082e12365be4447e9bdaca50f6ec5eae7eec3f17700880cfe14ea34497
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] bb0e04750070c4a6526e773d17a3c091084815afba80abe0f13d8ab037c8aea8
[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" "bb0e04750070c4a6526e773d17a3c091084815afba80abe0f13d8ab037c8aea8", kill_on_drop: false }`
[INFO] [stderr]    Compiling test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "bb0e04750070c4a6526e773d17a3c091084815afba80abe0f13d8ab037c8aea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb0e04750070c4a6526e773d17a3c091084815afba80abe0f13d8ab037c8aea8", kill_on_drop: false }`
[INFO] [stdout] bb0e04750070c4a6526e773d17a3c091084815afba80abe0f13d8ab037c8aea8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 813c128da23b7c3baa303aa859ff25eff7a276f62e26b4017314f19773b7e95b
[INFO] running `Command { std: "docker" "start" "-a" "813c128da23b7c3baa303aa859ff25eff7a276f62e26b4017314f19773b7e95b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test-180ccdee22da5386
[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] running `Command { std: "docker" "inspect" "813c128da23b7c3baa303aa859ff25eff7a276f62e26b4017314f19773b7e95b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "813c128da23b7c3baa303aa859ff25eff7a276f62e26b4017314f19773b7e95b", kill_on_drop: false }`
[INFO] [stdout] 813c128da23b7c3baa303aa859ff25eff7a276f62e26b4017314f19773b7e95b