[INFO] fetching crate r50 0.13.1...
[INFO] testing r50-0.13.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate r50 0.13.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate r50 0.13.1 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 r50 0.13.1
[INFO] finished tweaking crates.io crate r50 0.13.1
[INFO] tweaked toml for crates.io crate r50 0.13.1 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80c3ccca8d024d02c0f254d97331e3535b8513bb475aa5a033d3c8cb779dbd13
[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" "80c3ccca8d024d02c0f254d97331e3535b8513bb475aa5a033d3c8cb779dbd13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80c3ccca8d024d02c0f254d97331e3535b8513bb475aa5a033d3c8cb779dbd13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80c3ccca8d024d02c0f254d97331e3535b8513bb475aa5a033d3c8cb779dbd13", kill_on_drop: false }`
[INFO] [stdout] 80c3ccca8d024d02c0f254d97331e3535b8513bb475aa5a033d3c8cb779dbd13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11eccb606ad0f841b01922bbd230b342ef60e56514da7667360522847468442e
[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" "11eccb606ad0f841b01922bbd230b342ef60e56514da7667360522847468442e", kill_on_drop: false }`
[INFO] [stderr]    Compiling dia-args v0.51.6
[INFO] [stderr]    Compiling r50 v0.13.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.25s
[INFO] running `Command { std: "docker" "inspect" "11eccb606ad0f841b01922bbd230b342ef60e56514da7667360522847468442e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11eccb606ad0f841b01922bbd230b342ef60e56514da7667360522847468442e", kill_on_drop: false }`
[INFO] [stdout] 11eccb606ad0f841b01922bbd230b342ef60e56514da7667360522847468442e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f624b469b39f097f92cd400939751550309314f89dd1a1a762d02057f7319582
[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" "f624b469b39f097f92cd400939751550309314f89dd1a1a762d02057f7319582", kill_on_drop: false }`
[INFO] [stderr]    Compiling udsx v0.7.2
[INFO] [stderr]    Compiling r50 v0.13.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.97s
[INFO] running `Command { std: "docker" "inspect" "f624b469b39f097f92cd400939751550309314f89dd1a1a762d02057f7319582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f624b469b39f097f92cd400939751550309314f89dd1a1a762d02057f7319582", kill_on_drop: false }`
[INFO] [stdout] f624b469b39f097f92cd400939751550309314f89dd1a1a762d02057f7319582
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 118f76da85b7ead3e84ed82e21d6363dce7a6ff7b74a64ba6556ec09d35e52ed
[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" "118f76da85b7ead3e84ed82e21d6363dce7a6ff7b74a64ba6556ec09d35e52ed", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/r50-2c021c01efd7a11e
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_crate_version ... ok
[INFO] [stderr]    Doc-tests r50
[INFO] [stdout] test tests ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 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" "118f76da85b7ead3e84ed82e21d6363dce7a6ff7b74a64ba6556ec09d35e52ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "118f76da85b7ead3e84ed82e21d6363dce7a6ff7b74a64ba6556ec09d35e52ed", kill_on_drop: false }`
[INFO] [stdout] 118f76da85b7ead3e84ed82e21d6363dce7a6ff7b74a64ba6556ec09d35e52ed