[INFO] fetching crate arena-rs 0.1.1...
[INFO] testing arena-rs-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate arena-rs 0.1.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate arena-rs 0.1.1 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 arena-rs 0.1.1
[INFO] finished tweaking crates.io crate arena-rs 0.1.1
[INFO] tweaked toml for crates.io crate arena-rs 0.1.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate arena-rs 0.1.1 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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78c2c9ed8077c50217c9756249fbd4bbb3ce4ff09f1aa92bb5845007c93fd631
[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" "78c2c9ed8077c50217c9756249fbd4bbb3ce4ff09f1aa92bb5845007c93fd631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78c2c9ed8077c50217c9756249fbd4bbb3ce4ff09f1aa92bb5845007c93fd631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78c2c9ed8077c50217c9756249fbd4bbb3ce4ff09f1aa92bb5845007c93fd631", kill_on_drop: false }`
[INFO] [stdout] 78c2c9ed8077c50217c9756249fbd4bbb3ce4ff09f1aa92bb5845007c93fd631
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+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] d267fcf7aeb1dd2a6d130e0e7889a931775e33af57518671149ad795dbb52eca
[INFO] running `Command { std: "docker" "start" "-a" "d267fcf7aeb1dd2a6d130e0e7889a931775e33af57518671149ad795dbb52eca", kill_on_drop: false }`
[INFO] [stderr]    Compiling arena-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "d267fcf7aeb1dd2a6d130e0e7889a931775e33af57518671149ad795dbb52eca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d267fcf7aeb1dd2a6d130e0e7889a931775e33af57518671149ad795dbb52eca", kill_on_drop: false }`
[INFO] [stdout] d267fcf7aeb1dd2a6d130e0e7889a931775e33af57518671149ad795dbb52eca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 087a4229edddbd915ed4bede4e3e234bcc62656ccade906ef916784e5c302e1e
[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" "087a4229edddbd915ed4bede4e3e234bcc62656ccade906ef916784e5c302e1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling arena-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "087a4229edddbd915ed4bede4e3e234bcc62656ccade906ef916784e5c302e1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "087a4229edddbd915ed4bede4e3e234bcc62656ccade906ef916784e5c302e1e", kill_on_drop: false }`
[INFO] [stdout] 087a4229edddbd915ed4bede4e3e234bcc62656ccade906ef916784e5c302e1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] de70027d362e3e384703b142b9c6a3ca68522bdb3845f96ba8256176b647ce25
[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" "de70027d362e3e384703b142b9c6a3ca68522bdb3845f96ba8256176b647ce25", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/arena_rs-27391a5930887178
[INFO] [stdout] test single_allocation ... ok
[INFO] [stdout] test out_of_space ... ok
[INFO] [stderr]    Doc-tests arena-rs
[INFO] [stdout] test multiple_allocations ... 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" "de70027d362e3e384703b142b9c6a3ca68522bdb3845f96ba8256176b647ce25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de70027d362e3e384703b142b9c6a3ca68522bdb3845f96ba8256176b647ce25", kill_on_drop: false }`
[INFO] [stdout] de70027d362e3e384703b142b9c6a3ca68522bdb3845f96ba8256176b647ce25