[INFO] fetching crate XFriday 0.0.1...
[INFO] testing XFriday-0.0.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate XFriday 0.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate XFriday 0.0.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate XFriday 0.0.1
[INFO] finished tweaking crates.io crate XFriday 0.0.1
[INFO] tweaked toml for crates.io crate XFriday 0.0.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e83075e969742859d35fd32100558e6e1b3a162ee5fa40f34b1b7900fc531c1
[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" "4e83075e969742859d35fd32100558e6e1b3a162ee5fa40f34b1b7900fc531c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e83075e969742859d35fd32100558e6e1b3a162ee5fa40f34b1b7900fc531c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e83075e969742859d35fd32100558e6e1b3a162ee5fa40f34b1b7900fc531c1", kill_on_drop: false }`
[INFO] [stdout] 4e83075e969742859d35fd32100558e6e1b3a162ee5fa40f34b1b7900fc531c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 43f0efa04a894ee415d9e14b3ea16c1390bc9ea2e9e014f71f6681afd304596f
[INFO] running `Command { std: "docker" "start" "-a" "43f0efa04a894ee415d9e14b3ea16c1390bc9ea2e9e014f71f6681afd304596f", kill_on_drop: false }`
[INFO] [stderr]    Compiling XFriday v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "43f0efa04a894ee415d9e14b3ea16c1390bc9ea2e9e014f71f6681afd304596f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43f0efa04a894ee415d9e14b3ea16c1390bc9ea2e9e014f71f6681afd304596f", kill_on_drop: false }`
[INFO] [stdout] 43f0efa04a894ee415d9e14b3ea16c1390bc9ea2e9e014f71f6681afd304596f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f68ac984f2dfb6f38214c1870c26977a7d79c2cb79e8e4dc9d5eb31eddb4b157
[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" "f68ac984f2dfb6f38214c1870c26977a7d79c2cb79e8e4dc9d5eb31eddb4b157", kill_on_drop: false }`
[INFO] [stderr]    Compiling XFriday v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "f68ac984f2dfb6f38214c1870c26977a7d79c2cb79e8e4dc9d5eb31eddb4b157", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f68ac984f2dfb6f38214c1870c26977a7d79c2cb79e8e4dc9d5eb31eddb4b157", kill_on_drop: false }`
[INFO] [stdout] f68ac984f2dfb6f38214c1870c26977a7d79c2cb79e8e4dc9d5eb31eddb4b157
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 050f6156297fc0fb2bb44e3d76e1a865b6a1f218c9a13bd71f752bf9f11c7e6e
[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" "050f6156297fc0fb2bb44e3d76e1a865b6a1f218c9a13bd71f752bf9f11c7e6e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/XFriday-4cea89ac476d531a
[INFO] [stderr]    Doc-tests XFriday
[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
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "050f6156297fc0fb2bb44e3d76e1a865b6a1f218c9a13bd71f752bf9f11c7e6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "050f6156297fc0fb2bb44e3d76e1a865b6a1f218c9a13bd71f752bf9f11c7e6e", kill_on_drop: false }`
[INFO] [stdout] 050f6156297fc0fb2bb44e3d76e1a865b6a1f218c9a13bd71f752bf9f11c7e6e