[INFO] crate doubly 1.1.3 is already in cache
[INFO] testing doubly-1.1.3 against 1.45.2 for beta-1.46-1
[INFO] extracting crate doubly 1.1.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate doubly 1.1.3 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate doubly 1.1.3
[INFO] finished tweaking crates.io crate doubly 1.1.3
[INFO] tweaked toml for crates.io crate doubly 1.1.3 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d6dc1187fec6b2ede16b193198ef0b807663060c94af0a9633af38d04523295
[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" "0d6dc1187fec6b2ede16b193198ef0b807663060c94af0a9633af38d04523295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d6dc1187fec6b2ede16b193198ef0b807663060c94af0a9633af38d04523295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d6dc1187fec6b2ede16b193198ef0b807663060c94af0a9633af38d04523295", kill_on_drop: false }`
[INFO] [stdout] 0d6dc1187fec6b2ede16b193198ef0b807663060c94af0a9633af38d04523295
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d91fa34ec422cc96dd6de99e3e5fdd37e5b4e5ba38678f67f549883aa3297d8
[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" "4d91fa34ec422cc96dd6de99e3e5fdd37e5b4e5ba38678f67f549883aa3297d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling doubly v1.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "4d91fa34ec422cc96dd6de99e3e5fdd37e5b4e5ba38678f67f549883aa3297d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d91fa34ec422cc96dd6de99e3e5fdd37e5b4e5ba38678f67f549883aa3297d8", kill_on_drop: false }`
[INFO] [stdout] 4d91fa34ec422cc96dd6de99e3e5fdd37e5b4e5ba38678f67f549883aa3297d8
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cea65593a3c7b8bc81fe27fff6315c389985fd8f6ff927a40c67b521d0bec1e
[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" "9cea65593a3c7b8bc81fe27fff6315c389985fd8f6ff927a40c67b521d0bec1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling doubly v1.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "9cea65593a3c7b8bc81fe27fff6315c389985fd8f6ff927a40c67b521d0bec1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cea65593a3c7b8bc81fe27fff6315c389985fd8f6ff927a40c67b521d0bec1e", kill_on_drop: false }`
[INFO] [stdout] 9cea65593a3c7b8bc81fe27fff6315c389985fd8f6ff927a40c67b521d0bec1e
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "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] 278dfdaaf9ccd500c5a1f7500882bde9d8172c84de19fe3fe1d08ff816b9d815
[INFO] running `Command { std: "docker" "start" "-a" "278dfdaaf9ccd500c5a1f7500882bde9d8172c84de19fe3fe1d08ff816b9d815", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/doubly-8216190b4d8ba505
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_list ... ok
[INFO] [stdout] test tests::test_len ... ok
[INFO] [stdout] test tests::test_iter ... ok
[INFO] [stdout] test tests::test_append ... ok
[INFO] [stderr]    Doc-tests doubly
[INFO] [stdout] test tests::test_empty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 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" "278dfdaaf9ccd500c5a1f7500882bde9d8172c84de19fe3fe1d08ff816b9d815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "278dfdaaf9ccd500c5a1f7500882bde9d8172c84de19fe3fe1d08ff816b9d815", kill_on_drop: false }`
[INFO] [stdout] 278dfdaaf9ccd500c5a1f7500882bde9d8172c84de19fe3fe1d08ff816b9d815