[INFO] fetching crate engin 999999999.999999999.999999999...
[INFO] testing engin-999999999.999999999.999999999 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate engin 999999999.999999999.999999999 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate engin 999999999.999999999.999999999 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 engin 999999999.999999999.999999999
[INFO] finished tweaking crates.io crate engin 999999999.999999999.999999999
[INFO] tweaked toml for crates.io crate engin 999999999.999999999.999999999 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate engin 999999999.999999999.999999999 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-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" "+beta-2021-01-01" "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] 3850c76837ac451152a97fce345551d4a36ab89b1cb112a358bf8d6b8e58c5c2
[INFO] running `Command { std: "docker" "start" "-a" "3850c76837ac451152a97fce345551d4a36ab89b1cb112a358bf8d6b8e58c5c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3850c76837ac451152a97fce345551d4a36ab89b1cb112a358bf8d6b8e58c5c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3850c76837ac451152a97fce345551d4a36ab89b1cb112a358bf8d6b8e58c5c2", kill_on_drop: false }`
[INFO] [stdout] 3850c76837ac451152a97fce345551d4a36ab89b1cb112a358bf8d6b8e58c5c2
[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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f73e728be58f09e63c98404d76f21d14b642948a29787bde9aeb667774553d7
[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" "1f73e728be58f09e63c98404d76f21d14b642948a29787bde9aeb667774553d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling engin v999999999.999999999.999999999 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "1f73e728be58f09e63c98404d76f21d14b642948a29787bde9aeb667774553d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f73e728be58f09e63c98404d76f21d14b642948a29787bde9aeb667774553d7", kill_on_drop: false }`
[INFO] [stdout] 1f73e728be58f09e63c98404d76f21d14b642948a29787bde9aeb667774553d7
[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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3981950597b148e4be4c3e40b9e7daa8a6ec7b81abb85b662f10dfc56f90dbd9
[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" "3981950597b148e4be4c3e40b9e7daa8a6ec7b81abb85b662f10dfc56f90dbd9", kill_on_drop: false }`
[INFO] [stderr]    Compiling engin v999999999.999999999.999999999 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "3981950597b148e4be4c3e40b9e7daa8a6ec7b81abb85b662f10dfc56f90dbd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3981950597b148e4be4c3e40b9e7daa8a6ec7b81abb85b662f10dfc56f90dbd9", kill_on_drop: false }`
[INFO] [stdout] 3981950597b148e4be4c3e40b9e7daa8a6ec7b81abb85b662f10dfc56f90dbd9
[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" "+beta-2021-01-01" "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] f9eda1b95e616358cc6a8e60ad2940797af2f047d4c2af1386934cd7064044bb
[INFO] running `Command { std: "docker" "start" "-a" "f9eda1b95e616358cc6a8e60ad2940797af2f047d4c2af1386934cd7064044bb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/engin-4633a1908d620d8e
[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" "f9eda1b95e616358cc6a8e60ad2940797af2f047d4c2af1386934cd7064044bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9eda1b95e616358cc6a8e60ad2940797af2f047d4c2af1386934cd7064044bb", kill_on_drop: false }`
[INFO] [stdout] f9eda1b95e616358cc6a8e60ad2940797af2f047d4c2af1386934cd7064044bb