[INFO] fetching crate txp 0.0.0...
[INFO] testing txp-0.0.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate txp 0.0.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate txp 0.0.0 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 txp 0.0.0
[INFO] finished tweaking crates.io crate txp 0.0.0
[INFO] tweaked toml for crates.io crate txp 0.0.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate txp 0.0.0 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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] bd8cc7de5b08809fe0583bf4b814ed6568122c4a32205a35cf1248385a4a865e
[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" "bd8cc7de5b08809fe0583bf4b814ed6568122c4a32205a35cf1248385a4a865e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd8cc7de5b08809fe0583bf4b814ed6568122c4a32205a35cf1248385a4a865e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd8cc7de5b08809fe0583bf4b814ed6568122c4a32205a35cf1248385a4a865e", kill_on_drop: false }`
[INFO] [stdout] bd8cc7de5b08809fe0583bf4b814ed6568122c4a32205a35cf1248385a4a865e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 861819d9bc361a0007505f1f8441ce1964f6915feb85e128a456b79a6ce4b0f6
[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" "861819d9bc361a0007505f1f8441ce1964f6915feb85e128a456b79a6ce4b0f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling txp v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "861819d9bc361a0007505f1f8441ce1964f6915feb85e128a456b79a6ce4b0f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "861819d9bc361a0007505f1f8441ce1964f6915feb85e128a456b79a6ce4b0f6", kill_on_drop: false }`
[INFO] [stdout] 861819d9bc361a0007505f1f8441ce1964f6915feb85e128a456b79a6ce4b0f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] d3ff399b3d496c6fe6a223f70f1a3c1e7460a837d9c2a8fc6fdd012f2c98e767
[INFO] running `Command { std: "docker" "start" "-a" "d3ff399b3d496c6fe6a223f70f1a3c1e7460a837d9c2a8fc6fdd012f2c98e767", kill_on_drop: false }`
[INFO] [stderr]    Compiling txp v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "d3ff399b3d496c6fe6a223f70f1a3c1e7460a837d9c2a8fc6fdd012f2c98e767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3ff399b3d496c6fe6a223f70f1a3c1e7460a837d9c2a8fc6fdd012f2c98e767", kill_on_drop: false }`
[INFO] [stdout] d3ff399b3d496c6fe6a223f70f1a3c1e7460a837d9c2a8fc6fdd012f2c98e767
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 85ab0061fad78b565448faa5b26abe640f7749aa1bfae998936c0b08dfe740d4
[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" "85ab0061fad78b565448faa5b26abe640f7749aa1bfae998936c0b08dfe740d4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/txp-67e309a882a344c1
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/txp-6557d22bed174ed3
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test run::tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests txp
[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] [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" "85ab0061fad78b565448faa5b26abe640f7749aa1bfae998936c0b08dfe740d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85ab0061fad78b565448faa5b26abe640f7749aa1bfae998936c0b08dfe740d4", kill_on_drop: false }`
[INFO] [stdout] 85ab0061fad78b565448faa5b26abe640f7749aa1bfae998936c0b08dfe740d4