[INFO] fetching crate allocation-counter 0.5.0...
[INFO] testing allocation-counter-0.5.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate allocation-counter 0.5.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate allocation-counter 0.5.0 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 allocation-counter 0.5.0
[INFO] finished tweaking crates.io crate allocation-counter 0.5.0
[INFO] tweaked toml for crates.io crate allocation-counter 0.5.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] f18a1753ec48b2c14f90f083f52de1c7b2527ec0b29d2966bbe5ff6956f02a92
[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" "f18a1753ec48b2c14f90f083f52de1c7b2527ec0b29d2966bbe5ff6956f02a92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f18a1753ec48b2c14f90f083f52de1c7b2527ec0b29d2966bbe5ff6956f02a92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f18a1753ec48b2c14f90f083f52de1c7b2527ec0b29d2966bbe5ff6956f02a92", kill_on_drop: false }`
[INFO] [stdout] f18a1753ec48b2c14f90f083f52de1c7b2527ec0b29d2966bbe5ff6956f02a92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 3756886b8aafe92f9564c6958e2a227b8e9bb224cd4db58794f67dfc3653be40
[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" "3756886b8aafe92f9564c6958e2a227b8e9bb224cd4db58794f67dfc3653be40", kill_on_drop: false }`
[INFO] [stderr]    Compiling allocation-counter v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "3756886b8aafe92f9564c6958e2a227b8e9bb224cd4db58794f67dfc3653be40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3756886b8aafe92f9564c6958e2a227b8e9bb224cd4db58794f67dfc3653be40", kill_on_drop: false }`
[INFO] [stdout] 3756886b8aafe92f9564c6958e2a227b8e9bb224cd4db58794f67dfc3653be40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a38397b1e08686cb4c3bea5f804fc4220cf9e29200080ce04ccfe97c68a156bc
[INFO] running `Command { std: "docker" "start" "-a" "a38397b1e08686cb4c3bea5f804fc4220cf9e29200080ce04ccfe97c68a156bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling allocation-counter v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "a38397b1e08686cb4c3bea5f804fc4220cf9e29200080ce04ccfe97c68a156bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a38397b1e08686cb4c3bea5f804fc4220cf9e29200080ce04ccfe97c68a156bc", kill_on_drop: false }`
[INFO] [stdout] a38397b1e08686cb4c3bea5f804fc4220cf9e29200080ce04ccfe97c68a156bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 9badefae5fe4ae40ac5550e9c490cb478aa96a7a646ecb33659d6373d7fd9eb5
[INFO] running `Command { std: "docker" "start" "-a" "9badefae5fe4ae40ac5550e9c490cb478aa96a7a646ecb33659d6373d7fd9eb5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/allocation_counter-782c120d6fe1e619
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_closure ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests allocation-counter
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - count (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.40s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9badefae5fe4ae40ac5550e9c490cb478aa96a7a646ecb33659d6373d7fd9eb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9badefae5fe4ae40ac5550e9c490cb478aa96a7a646ecb33659d6373d7fd9eb5", kill_on_drop: false }`
[INFO] [stdout] 9badefae5fe4ae40ac5550e9c490cb478aa96a7a646ecb33659d6373d7fd9eb5