[INFO] fetching crate tox 0.1.1...
[INFO] testing tox-0.1.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate tox 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate tox 0.1.1 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 tox 0.1.1
[INFO] finished tweaking crates.io crate tox 0.1.1
[INFO] tweaked toml for crates.io crate tox 0.1.1 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 3984051b64e7e621a1cb6e741817f3abecf83d6f789dba8d86a7dcc1cf61a5f9
[INFO] running `Command { std: "docker" "start" "-a" "3984051b64e7e621a1cb6e741817f3abecf83d6f789dba8d86a7dcc1cf61a5f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3984051b64e7e621a1cb6e741817f3abecf83d6f789dba8d86a7dcc1cf61a5f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3984051b64e7e621a1cb6e741817f3abecf83d6f789dba8d86a7dcc1cf61a5f9", kill_on_drop: false }`
[INFO] [stdout] 3984051b64e7e621a1cb6e741817f3abecf83d6f789dba8d86a7dcc1cf61a5f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 0b80ac7ac1e4ef5394e4bc6ca6d00c1cc61de8a36af0078a3a160298dd255db0
[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" "0b80ac7ac1e4ef5394e4bc6ca6d00c1cc61de8a36af0078a3a160298dd255db0", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling cookie-factory v0.3.1
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling libsodium-sys v0.2.6
[INFO] [stderr]    Compiling get_if_addrs v0.5.3
[INFO] [stderr]    Compiling lru v0.6.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling tokio v0.2.24
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling sodiumoxide v0.2.6
[INFO] [stderr]    Compiling tox_crypto v0.1.1
[INFO] [stderr]    Compiling tox_binary_io v0.1.1
[INFO] [stderr]    Compiling tox_encryptsave v0.1.0
[INFO] [stderr]    Compiling tox_packet v0.1.1
[INFO] [stderr]    Compiling tox_core v0.1.1
[INFO] [stderr]    Compiling tox v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 02s
[INFO] running `Command { std: "docker" "inspect" "0b80ac7ac1e4ef5394e4bc6ca6d00c1cc61de8a36af0078a3a160298dd255db0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b80ac7ac1e4ef5394e4bc6ca6d00c1cc61de8a36af0078a3a160298dd255db0", kill_on_drop: false }`
[INFO] [stdout] 0b80ac7ac1e4ef5394e4bc6ca6d00c1cc61de8a36af0078a3a160298dd255db0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 458fe38b8cf0cbba66ceef7c3d2a12b0e20686a50a2ea23e101623d98a8c2d34
[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" "458fe38b8cf0cbba66ceef7c3d2a12b0e20686a50a2ea23e101623d98a8c2d34", kill_on_drop: false }`
[INFO] [stderr]    Compiling tox v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "458fe38b8cf0cbba66ceef7c3d2a12b0e20686a50a2ea23e101623d98a8c2d34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "458fe38b8cf0cbba66ceef7c3d2a12b0e20686a50a2ea23e101623d98a8c2d34", kill_on_drop: false }`
[INFO] [stdout] 458fe38b8cf0cbba66ceef7c3d2a12b0e20686a50a2ea23e101623d98a8c2d34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] d46699c3bdc3dbef37085f5667e5bd0c745baaec3e6899d5b66c6fca6ad69e9a
[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" "d46699c3bdc3dbef37085f5667e5bd0c745baaec3e6899d5b66c6fca6ad69e9a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tox-c7a68949a27cd714
[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] [stderr]    Doc-tests tox
[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" "d46699c3bdc3dbef37085f5667e5bd0c745baaec3e6899d5b66c6fca6ad69e9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d46699c3bdc3dbef37085f5667e5bd0c745baaec3e6899d5b66c6fca6ad69e9a", kill_on_drop: false }`
[INFO] [stdout] d46699c3bdc3dbef37085f5667e5bd0c745baaec3e6899d5b66c6fca6ad69e9a