[INFO] fetching crate string_cache_shared 0.3.0...
[INFO] testing string_cache_shared-0.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate string_cache_shared 0.3.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate string_cache_shared 0.3.0 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 string_cache_shared 0.3.0
[INFO] finished tweaking crates.io crate string_cache_shared 0.3.0
[INFO] tweaked toml for crates.io crate string_cache_shared 0.3.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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] 5d3e958256c77a7edcd0d540599719688db8ec9a7f7991d79b67a26c414b6c9d
[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" "5d3e958256c77a7edcd0d540599719688db8ec9a7f7991d79b67a26c414b6c9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d3e958256c77a7edcd0d540599719688db8ec9a7f7991d79b67a26c414b6c9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d3e958256c77a7edcd0d540599719688db8ec9a7f7991d79b67a26c414b6c9d", kill_on_drop: false }`
[INFO] [stdout] 5d3e958256c77a7edcd0d540599719688db8ec9a7f7991d79b67a26c414b6c9d
[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] [stdout] 1a092f8e9acb4935dbfcfe46650eb634a3a11c4f921388b4f2246f54554d2b87
[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" "1a092f8e9acb4935dbfcfe46650eb634a3a11c4f921388b4f2246f54554d2b87", kill_on_drop: false }`
[INFO] [stderr]    Compiling string_cache_shared v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "1a092f8e9acb4935dbfcfe46650eb634a3a11c4f921388b4f2246f54554d2b87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a092f8e9acb4935dbfcfe46650eb634a3a11c4f921388b4f2246f54554d2b87", kill_on_drop: false }`
[INFO] [stdout] 1a092f8e9acb4935dbfcfe46650eb634a3a11c4f921388b4f2246f54554d2b87
[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] 87c7354f99fad757149da722e3b6a78940b23195231f5a25f2ad1b369cc0fc2e
[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" "87c7354f99fad757149da722e3b6a78940b23195231f5a25f2ad1b369cc0fc2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling string_cache_shared v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "87c7354f99fad757149da722e3b6a78940b23195231f5a25f2ad1b369cc0fc2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87c7354f99fad757149da722e3b6a78940b23195231f5a25f2ad1b369cc0fc2e", kill_on_drop: false }`
[INFO] [stdout] 87c7354f99fad757149da722e3b6a78940b23195231f5a25f2ad1b369cc0fc2e
[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] aba4d60d378123810d287b70f05d000843c40a74da4a0a8db4660a7e7bc0a036
[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" "aba4d60d378123810d287b70f05d000843c40a74da4a0a8db4660a7e7bc0a036", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/string_cache_shared-e11c4ad6870fdf08
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests string_cache_shared
[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] [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" "aba4d60d378123810d287b70f05d000843c40a74da4a0a8db4660a7e7bc0a036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aba4d60d378123810d287b70f05d000843c40a74da4a0a8db4660a7e7bc0a036", kill_on_drop: false }`
[INFO] [stdout] aba4d60d378123810d287b70f05d000843c40a74da4a0a8db4660a7e7bc0a036