[INFO] crate immutable_arena 0.1.1 is already in cache
[INFO] testing immutable_arena-0.1.1 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate immutable_arena 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate immutable_arena 0.1.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate immutable_arena 0.1.1
[INFO] finished tweaking crates.io crate immutable_arena 0.1.1
[INFO] tweaked toml for crates.io crate immutable_arena 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce0f8b14fadb3f30766e2de07cfc32cf058b7fe088a8da805b883bb75cde633f
[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" "ce0f8b14fadb3f30766e2de07cfc32cf058b7fe088a8da805b883bb75cde633f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce0f8b14fadb3f30766e2de07cfc32cf058b7fe088a8da805b883bb75cde633f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce0f8b14fadb3f30766e2de07cfc32cf058b7fe088a8da805b883bb75cde633f", kill_on_drop: false }`
[INFO] [stdout] ce0f8b14fadb3f30766e2de07cfc32cf058b7fe088a8da805b883bb75cde633f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2020-07-24" "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] c3fed7c5aeeedd94de40cbc4063f794cbc2a30192bee92d84d143638cb19bb15
[INFO] running `Command { std: "docker" "start" "-a" "c3fed7c5aeeedd94de40cbc4063f794cbc2a30192bee92d84d143638cb19bb15", kill_on_drop: false }`
[INFO] [stderr]    Compiling typed-arena v1.7.0
[INFO] [stderr]    Compiling immutable_arena v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "c3fed7c5aeeedd94de40cbc4063f794cbc2a30192bee92d84d143638cb19bb15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3fed7c5aeeedd94de40cbc4063f794cbc2a30192bee92d84d143638cb19bb15", kill_on_drop: false }`
[INFO] [stdout] c3fed7c5aeeedd94de40cbc4063f794cbc2a30192bee92d84d143638cb19bb15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05a63c78b0226a48eb5f7550a6e91ea341048120ab9478f74cf07a30e8f2743c
[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" "05a63c78b0226a48eb5f7550a6e91ea341048120ab9478f74cf07a30e8f2743c", kill_on_drop: false }`
[INFO] [stderr]    Compiling immutable_arena v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "05a63c78b0226a48eb5f7550a6e91ea341048120ab9478f74cf07a30e8f2743c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05a63c78b0226a48eb5f7550a6e91ea341048120ab9478f74cf07a30e8f2743c", kill_on_drop: false }`
[INFO] [stdout] 05a63c78b0226a48eb5f7550a6e91ea341048120ab9478f74cf07a30e8f2743c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2020-07-24" "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] f2d3f2acba493d7702bda2e00137f4d29114ebb0ea4465123dde22a8388ae1dd
[INFO] running `Command { std: "docker" "start" "-a" "f2d3f2acba493d7702bda2e00137f4d29114ebb0ea4465123dde22a8388ae1dd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/immutable_arena-3bb613375278ef50
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::basic_test ... ok
[INFO] [stdout] test test::ref_from_borrow_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests immutable_arena
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f2d3f2acba493d7702bda2e00137f4d29114ebb0ea4465123dde22a8388ae1dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2d3f2acba493d7702bda2e00137f4d29114ebb0ea4465123dde22a8388ae1dd", kill_on_drop: false }`
[INFO] [stdout] f2d3f2acba493d7702bda2e00137f4d29114ebb0ea4465123dde22a8388ae1dd