[INFO] fetching crate ackr 1.1.0...
[INFO] testing ackr-1.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate ackr 1.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate ackr 1.1.0 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 ackr 1.1.0
[INFO] finished tweaking crates.io crate ackr 1.1.0
[INFO] tweaked toml for crates.io crate ackr 1.1.0 written to /workspace/builds/worker-5/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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ed058ca9d642cb2d2842354c9c81ea69cbe1f490df8fbeb30ab20a58000492ba
[INFO] running `Command { std: "docker" "start" "-a" "ed058ca9d642cb2d2842354c9c81ea69cbe1f490df8fbeb30ab20a58000492ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed058ca9d642cb2d2842354c9c81ea69cbe1f490df8fbeb30ab20a58000492ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed058ca9d642cb2d2842354c9c81ea69cbe1f490df8fbeb30ab20a58000492ba", kill_on_drop: false }`
[INFO] [stdout] ed058ca9d642cb2d2842354c9c81ea69cbe1f490df8fbeb30ab20a58000492ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 6c0c863dc1865bd8f99ebd226c45f0a3bee8fa0f85a92b0d152d1e937d88fb7e
[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" "6c0c863dc1865bd8f99ebd226c45f0a3bee8fa0f85a92b0d152d1e937d88fb7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling ackr v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "6c0c863dc1865bd8f99ebd226c45f0a3bee8fa0f85a92b0d152d1e937d88fb7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c0c863dc1865bd8f99ebd226c45f0a3bee8fa0f85a92b0d152d1e937d88fb7e", kill_on_drop: false }`
[INFO] [stdout] 6c0c863dc1865bd8f99ebd226c45f0a3bee8fa0f85a92b0d152d1e937d88fb7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] c6d1d143e7a2f59ad8e2b2ff1461fcf974cd6b631afd800c96ae8841a7d7f1b1
[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" "c6d1d143e7a2f59ad8e2b2ff1461fcf974cd6b631afd800c96ae8841a7d7f1b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling ackr v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "c6d1d143e7a2f59ad8e2b2ff1461fcf974cd6b631afd800c96ae8841a7d7f1b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6d1d143e7a2f59ad8e2b2ff1461fcf974cd6b631afd800c96ae8841a7d7f1b1", kill_on_drop: false }`
[INFO] [stdout] c6d1d143e7a2f59ad8e2b2ff1461fcf974cd6b631afd800c96ae8841a7d7f1b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 2eee54ae9fee5f71a18bd9e7592488ff1254a984699877c30dc0f376b3e8f857
[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" "2eee54ae9fee5f71a18bd9e7592488ff1254a984699877c30dc0f376b3e8f857", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ackr-a2fae87d0bba0439
[INFO] [stdout] test test::ack_2 ... ok
[INFO] [stderr]    Doc-tests ackr
[INFO] [stdout] test test::new ... ok
[INFO] [stdout] test test::ack ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 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" "2eee54ae9fee5f71a18bd9e7592488ff1254a984699877c30dc0f376b3e8f857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eee54ae9fee5f71a18bd9e7592488ff1254a984699877c30dc0f376b3e8f857", kill_on_drop: false }`
[INFO] [stdout] 2eee54ae9fee5f71a18bd9e7592488ff1254a984699877c30dc0f376b3e8f857