[INFO] fetching crate ppeterson_crate_b 0.8.0...
[INFO] testing ppeterson_crate_b-0.8.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate ppeterson_crate_b 0.8.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate ppeterson_crate_b 0.8.0 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 ppeterson_crate_b 0.8.0
[INFO] finished tweaking crates.io crate ppeterson_crate_b 0.8.0
[INFO] tweaked toml for crates.io crate ppeterson_crate_b 0.8.0 written to /workspace/builds/worker-9/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] 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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] bb8b27a80ad4c149feebb59a82bbec2b4c9145ca7a8f350f3c40272e5a01327d
[INFO] running `Command { std: "docker" "start" "-a" "bb8b27a80ad4c149feebb59a82bbec2b4c9145ca7a8f350f3c40272e5a01327d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb8b27a80ad4c149feebb59a82bbec2b4c9145ca7a8f350f3c40272e5a01327d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb8b27a80ad4c149feebb59a82bbec2b4c9145ca7a8f350f3c40272e5a01327d", kill_on_drop: false }`
[INFO] [stdout] bb8b27a80ad4c149feebb59a82bbec2b4c9145ca7a8f350f3c40272e5a01327d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] f894923a5710dc80e22d9e8652387ff1c3c425433b6b7a6419722270824cc300
[INFO] running `Command { std: "docker" "start" "-a" "f894923a5710dc80e22d9e8652387ff1c3c425433b6b7a6419722270824cc300", kill_on_drop: false }`
[INFO] [stderr]    Compiling ppeterson_crate_b v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "f894923a5710dc80e22d9e8652387ff1c3c425433b6b7a6419722270824cc300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f894923a5710dc80e22d9e8652387ff1c3c425433b6b7a6419722270824cc300", kill_on_drop: false }`
[INFO] [stdout] f894923a5710dc80e22d9e8652387ff1c3c425433b6b7a6419722270824cc300
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 7eda0bd00ee9954f14d54d970d69d88abc0585bb999c0fb70e8ad0584867ff53
[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" "7eda0bd00ee9954f14d54d970d69d88abc0585bb999c0fb70e8ad0584867ff53", kill_on_drop: false }`
[INFO] [stderr]    Compiling ppeterson_crate_b v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "7eda0bd00ee9954f14d54d970d69d88abc0585bb999c0fb70e8ad0584867ff53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eda0bd00ee9954f14d54d970d69d88abc0585bb999c0fb70e8ad0584867ff53", kill_on_drop: false }`
[INFO] [stdout] 7eda0bd00ee9954f14d54d970d69d88abc0585bb999c0fb70e8ad0584867ff53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] d3143ffc9c91c5641e84243173407c64bdb187291c11c50a3f92e6f4fb25dc76
[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" "d3143ffc9c91c5641e84243173407c64bdb187291c11c50a3f92e6f4fb25dc76", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ppeterson_crate_b-b8749c8da7b3e8d5
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests ppeterson_crate_b
[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] [stdout] 
[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" "d3143ffc9c91c5641e84243173407c64bdb187291c11c50a3f92e6f4fb25dc76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3143ffc9c91c5641e84243173407c64bdb187291c11c50a3f92e6f4fb25dc76", kill_on_drop: false }`
[INFO] [stdout] d3143ffc9c91c5641e84243173407c64bdb187291c11c50a3f92e6f4fb25dc76