[INFO] fetching crate cargo-post 0.1.6...
[INFO] testing cargo-post-0.1.6 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate cargo-post 0.1.6 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate cargo-post 0.1.6 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 cargo-post 0.1.6
[INFO] finished tweaking crates.io crate cargo-post 0.1.6
[INFO] tweaked toml for crates.io crate cargo-post 0.1.6 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate cargo-post 0.1.6 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cargo_metadata v0.7.4
[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] 84937d062bd7311e18abd524d3e8667647685397370fd286dd0f8354b8e04689
[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" "84937d062bd7311e18abd524d3e8667647685397370fd286dd0f8354b8e04689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84937d062bd7311e18abd524d3e8667647685397370fd286dd0f8354b8e04689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84937d062bd7311e18abd524d3e8667647685397370fd286dd0f8354b8e04689", kill_on_drop: false }`
[INFO] [stdout] 84937d062bd7311e18abd524d3e8667647685397370fd286dd0f8354b8e04689
[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] 35cb6cfc7aa65ef5dc856fc9154a8214ed6d4c483418cb82d67a775ed6a8f3e3
[INFO] running `Command { std: "docker" "start" "-a" "35cb6cfc7aa65ef5dc856fc9154a8214ed6d4c483418cb82d67a775ed6a8f3e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling syn v1.0.25
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling cargo_metadata v0.7.4
[INFO] [stderr]    Compiling cargo-post v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.79s
[INFO] running `Command { std: "docker" "inspect" "35cb6cfc7aa65ef5dc856fc9154a8214ed6d4c483418cb82d67a775ed6a8f3e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35cb6cfc7aa65ef5dc856fc9154a8214ed6d4c483418cb82d67a775ed6a8f3e3", kill_on_drop: false }`
[INFO] [stdout] 35cb6cfc7aa65ef5dc856fc9154a8214ed6d4c483418cb82d67a775ed6a8f3e3
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 60d1271039ce13a0044d19c553aad53b855ae52a37e08e47646743dfc50cf626
[INFO] running `Command { std: "docker" "start" "-a" "60d1271039ce13a0044d19c553aad53b855ae52a37e08e47646743dfc50cf626", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-post v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "60d1271039ce13a0044d19c553aad53b855ae52a37e08e47646743dfc50cf626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60d1271039ce13a0044d19c553aad53b855ae52a37e08e47646743dfc50cf626", kill_on_drop: false }`
[INFO] [stdout] 60d1271039ce13a0044d19c553aad53b855ae52a37e08e47646743dfc50cf626
[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] [stdout] 2338f8b44365a2137789d2c23aa5a9a8de86c0c7dcb7e41963dee810f0154cee
[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" "2338f8b44365a2137789d2c23aa5a9a8de86c0c7dcb7e41963dee810f0154cee", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cargo_post-f07d3824a9f3d3d6
[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" "2338f8b44365a2137789d2c23aa5a9a8de86c0c7dcb7e41963dee810f0154cee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2338f8b44365a2137789d2c23aa5a9a8de86c0c7dcb7e41963dee810f0154cee", kill_on_drop: false }`
[INFO] [stdout] 2338f8b44365a2137789d2c23aa5a9a8de86c0c7dcb7e41963dee810f0154cee