[INFO] cloning repository https://github.com/DelusionalOptimist/mutif
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DelusionalOptimist/mutif" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDelusionalOptimist%2Fmutif", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDelusionalOptimist%2Fmutif'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d4366a89af18bc3585f7ed815a4be179ded653a
[INFO] testing DelusionalOptimist/mutif against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDelusionalOptimist%2Fmutif" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DelusionalOptimist/mutif 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 git repo https://github.com/DelusionalOptimist/mutif
[INFO] finished tweaking git repo https://github.com/DelusionalOptimist/mutif
[INFO] tweaked toml for git repo https://github.com/DelusionalOptimist/mutif written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/DelusionalOptimist/mutif already has a lockfile, it will not be regenerated
[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-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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd334234a59f86336f32fbe374430bc18c76506c02cea226bb64f0f7982b265f
[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" "dd334234a59f86336f32fbe374430bc18c76506c02cea226bb64f0f7982b265f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd334234a59f86336f32fbe374430bc18c76506c02cea226bb64f0f7982b265f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd334234a59f86336f32fbe374430bc18c76506c02cea226bb64f0f7982b265f", kill_on_drop: false }`
[INFO] [stdout] dd334234a59f86336f32fbe374430bc18c76506c02cea226bb64f0f7982b265f
[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" "+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] aa02fc513acac14bccaa0471b92835822c257136275f533538fa0815f3992baf
[INFO] running `Command { std: "docker" "start" "-a" "aa02fc513acac14bccaa0471b92835822c257136275f533538fa0815f3992baf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling eyre v0.6.3
[INFO] [stderr]    Compiling indenter v0.3.0
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling owo-colors v1.1.3
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]    Compiling sharded-slab v0.1.0
[INFO] [stderr]    Compiling dbus v0.8.4
[INFO] [stderr]    Compiling backtrace v0.3.54
[INFO] [stderr]    Compiling dbus v0.9.0
[INFO] [stderr]    Compiling tracing-subscriber v0.2.15
[INFO] [stderr]    Compiling notify-rust v4.0.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling tracing v0.1.21
[INFO] [stderr]    Compiling tracing-error v0.1.2
[INFO] [stderr]    Compiling color-spantrace v0.1.4
[INFO] [stderr]    Compiling color-eyre v0.5.7
[INFO] [stderr]    Compiling mutif v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.42s
[INFO] running `Command { std: "docker" "inspect" "aa02fc513acac14bccaa0471b92835822c257136275f533538fa0815f3992baf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa02fc513acac14bccaa0471b92835822c257136275f533538fa0815f3992baf", kill_on_drop: false }`
[INFO] [stdout] aa02fc513acac14bccaa0471b92835822c257136275f533538fa0815f3992baf
[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" "+1.49.0" "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] a5ccde614b515abeae221299f3fa625bdff06c3feecc3c10d76eb76634387cb2
[INFO] running `Command { std: "docker" "start" "-a" "a5ccde614b515abeae221299f3fa625bdff06c3feecc3c10d76eb76634387cb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling mutif v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "a5ccde614b515abeae221299f3fa625bdff06c3feecc3c10d76eb76634387cb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5ccde614b515abeae221299f3fa625bdff06c3feecc3c10d76eb76634387cb2", kill_on_drop: false }`
[INFO] [stdout] a5ccde614b515abeae221299f3fa625bdff06c3feecc3c10d76eb76634387cb2
[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" "+1.49.0" "test" "--frozen", 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] d06230d06382ed699b3bdd68633d51a645c6bb4c480c55b5f56a6bbbe98c5f3a
[INFO] running `Command { std: "docker" "start" "-a" "d06230d06382ed699b3bdd68633d51a645c6bb4c480c55b5f56a6bbbe98c5f3a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mutif-03071ceb2743e258
[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" "d06230d06382ed699b3bdd68633d51a645c6bb4c480c55b5f56a6bbbe98c5f3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d06230d06382ed699b3bdd68633d51a645c6bb4c480c55b5f56a6bbbe98c5f3a", kill_on_drop: false }`
[INFO] [stdout] d06230d06382ed699b3bdd68633d51a645c6bb4c480c55b5f56a6bbbe98c5f3a