[INFO] fetching crate rangl 999999999.999999999.999999999...
[INFO] testing rangl-999999999.999999999.999999999 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rangl 999999999.999999999.999999999 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rangl 999999999.999999999.999999999 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 rangl 999999999.999999999.999999999
[INFO] finished tweaking crates.io crate rangl 999999999.999999999.999999999
[INFO] tweaked toml for crates.io crate rangl 999999999.999999999.999999999 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate rangl 999999999.999999999.999999999 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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 6f889e6541496ad1d0750366c25f9f90f9f5ff3476d05b87c0eb0c2fa8611d0b
[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" "6f889e6541496ad1d0750366c25f9f90f9f5ff3476d05b87c0eb0c2fa8611d0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f889e6541496ad1d0750366c25f9f90f9f5ff3476d05b87c0eb0c2fa8611d0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f889e6541496ad1d0750366c25f9f90f9f5ff3476d05b87c0eb0c2fa8611d0b", kill_on_drop: false }`
[INFO] [stdout] 6f889e6541496ad1d0750366c25f9f90f9f5ff3476d05b87c0eb0c2fa8611d0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] a0dde45ad730eb38397e9447d9a25d72ddf582a857be3017a912529a345297ff
[INFO] running `Command { std: "docker" "start" "-a" "a0dde45ad730eb38397e9447d9a25d72ddf582a857be3017a912529a345297ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling rangl v999999999.999999999.999999999 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "a0dde45ad730eb38397e9447d9a25d72ddf582a857be3017a912529a345297ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0dde45ad730eb38397e9447d9a25d72ddf582a857be3017a912529a345297ff", kill_on_drop: false }`
[INFO] [stdout] a0dde45ad730eb38397e9447d9a25d72ddf582a857be3017a912529a345297ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] c23ec7a220571eb20e861b914215d7e7fdf2032e6ad2f2907f327adc61cd74f3
[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" "c23ec7a220571eb20e861b914215d7e7fdf2032e6ad2f2907f327adc61cd74f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rangl v999999999.999999999.999999999 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "c23ec7a220571eb20e861b914215d7e7fdf2032e6ad2f2907f327adc61cd74f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c23ec7a220571eb20e861b914215d7e7fdf2032e6ad2f2907f327adc61cd74f3", kill_on_drop: false }`
[INFO] [stdout] c23ec7a220571eb20e861b914215d7e7fdf2032e6ad2f2907f327adc61cd74f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 32c0dc0e34cf1b380b1ca50db0ab5d1764e1020b5a8c246ddeeac7ff1a8ddad3
[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" "32c0dc0e34cf1b380b1ca50db0ab5d1764e1020b5a8c246ddeeac7ff1a8ddad3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rangl-52dfbf9f9de4b00a
[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" "32c0dc0e34cf1b380b1ca50db0ab5d1764e1020b5a8c246ddeeac7ff1a8ddad3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32c0dc0e34cf1b380b1ca50db0ab5d1764e1020b5a8c246ddeeac7ff1a8ddad3", kill_on_drop: false }`
[INFO] [stdout] 32c0dc0e34cf1b380b1ca50db0ab5d1764e1020b5a8c246ddeeac7ff1a8ddad3