[INFO] fetching crate prototty_file_storage 0.29.0...
[INFO] testing prototty_file_storage-0.29.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate prototty_file_storage 0.29.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate prototty_file_storage 0.29.0 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 prototty_file_storage 0.29.0
[INFO] finished tweaking crates.io crate prototty_file_storage 0.29.0
[INFO] tweaked toml for crates.io crate prototty_file_storage 0.29.0 written to /workspace/builds/worker-6/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] [stderr]     Blocking waiting for file lock on package cache
[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" "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] 6e62af392b9251520727a7073939b4c65ce38274092f0decadf6c306c3a439f3
[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" "6e62af392b9251520727a7073939b4c65ce38274092f0decadf6c306c3a439f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e62af392b9251520727a7073939b4c65ce38274092f0decadf6c306c3a439f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e62af392b9251520727a7073939b4c65ce38274092f0decadf6c306c3a439f3", kill_on_drop: false }`
[INFO] [stdout] 6e62af392b9251520727a7073939b4c65ce38274092f0decadf6c306c3a439f3
[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" "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] a2ff48c5ca03d7ef8c2c0bb7289c8406d3127634e4dd1ae3032b8c3f08c911d0
[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" "a2ff48c5ca03d7ef8c2c0bb7289c8406d3127634e4dd1ae3032b8c3f08c911d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling prototty_storage v0.29.0
[INFO] [stderr]    Compiling prototty_file_storage v0.29.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "a2ff48c5ca03d7ef8c2c0bb7289c8406d3127634e4dd1ae3032b8c3f08c911d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2ff48c5ca03d7ef8c2c0bb7289c8406d3127634e4dd1ae3032b8c3f08c911d0", kill_on_drop: false }`
[INFO] [stdout] a2ff48c5ca03d7ef8c2c0bb7289c8406d3127634e4dd1ae3032b8c3f08c911d0
[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" "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] b20d2f8fa197d8483ba19514e842075fe2876549041f49a42ffdc0e65ce6d52d
[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" "b20d2f8fa197d8483ba19514e842075fe2876549041f49a42ffdc0e65ce6d52d", kill_on_drop: false }`
[INFO] [stderr]    Compiling prototty_file_storage v0.29.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "b20d2f8fa197d8483ba19514e842075fe2876549041f49a42ffdc0e65ce6d52d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b20d2f8fa197d8483ba19514e842075fe2876549041f49a42ffdc0e65ce6d52d", kill_on_drop: false }`
[INFO] [stdout] b20d2f8fa197d8483ba19514e842075fe2876549041f49a42ffdc0e65ce6d52d
[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" "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] 64aa7ff09b71b170b69cd8fd67b4118bb974219cc7c32d295ae0db0b209a05ab
[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" "64aa7ff09b71b170b69cd8fd67b4118bb974219cc7c32d295ae0db0b209a05ab", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/prototty_file_storage-50af718e83b2ef89
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prototty_file_storage
[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" "64aa7ff09b71b170b69cd8fd67b4118bb974219cc7c32d295ae0db0b209a05ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64aa7ff09b71b170b69cd8fd67b4118bb974219cc7c32d295ae0db0b209a05ab", kill_on_drop: false }`
[INFO] [stdout] 64aa7ff09b71b170b69cd8fd67b4118bb974219cc7c32d295ae0db0b209a05ab