[INFO] fetching crate io_wrapper_statistics 0.1.1...
[INFO] testing io_wrapper_statistics-0.1.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate io_wrapper_statistics 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate io_wrapper_statistics 0.1.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate io_wrapper_statistics 0.1.1
[INFO] finished tweaking crates.io crate io_wrapper_statistics 0.1.1
[INFO] tweaked toml for crates.io crate io_wrapper_statistics 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate io_wrapper_statistics 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7db6467e40c313b0fb1f4ae48d63c04fe45e8b981827598620c66ca4b7de79ea
[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" "7db6467e40c313b0fb1f4ae48d63c04fe45e8b981827598620c66ca4b7de79ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7db6467e40c313b0fb1f4ae48d63c04fe45e8b981827598620c66ca4b7de79ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7db6467e40c313b0fb1f4ae48d63c04fe45e8b981827598620c66ca4b7de79ea", kill_on_drop: false }`
[INFO] [stdout] 7db6467e40c313b0fb1f4ae48d63c04fe45e8b981827598620c66ca4b7de79ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 9a6d3fbd86ee0d705344fecbd131df5c24ae4aae561d586be28db5b1e9752eee
[INFO] running `Command { std: "docker" "start" "-a" "9a6d3fbd86ee0d705344fecbd131df5c24ae4aae561d586be28db5b1e9752eee", kill_on_drop: false }`
[INFO] [stderr]    Compiling io_wrapper_statistics v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "9a6d3fbd86ee0d705344fecbd131df5c24ae4aae561d586be28db5b1e9752eee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a6d3fbd86ee0d705344fecbd131df5c24ae4aae561d586be28db5b1e9752eee", kill_on_drop: false }`
[INFO] [stdout] 9a6d3fbd86ee0d705344fecbd131df5c24ae4aae561d586be28db5b1e9752eee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--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] 166dc54364a1ba3c0f94373d90bbdec799c819082c7074e2fe76e15cf8818e57
[INFO] running `Command { std: "docker" "start" "-a" "166dc54364a1ba3c0f94373d90bbdec799c819082c7074e2fe76e15cf8818e57", kill_on_drop: false }`
[INFO] [stderr]    Compiling io_wrapper_statistics v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.65s
[INFO] running `Command { std: "docker" "inspect" "166dc54364a1ba3c0f94373d90bbdec799c819082c7074e2fe76e15cf8818e57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "166dc54364a1ba3c0f94373d90bbdec799c819082c7074e2fe76e15cf8818e57", kill_on_drop: false }`
[INFO] [stdout] 166dc54364a1ba3c0f94373d90bbdec799c819082c7074e2fe76e15cf8818e57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ce37d0f152ea3baae1f671a9d4ee7726f39635c3b5019f823dd47bf9dd42a6b5
[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" "ce37d0f152ea3baae1f671a9d4ee7726f39635c3b5019f823dd47bf9dd42a6b5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/io_wrapper_statistics-85ce054ba298aeef)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/wrapper_test.rs (/opt/rustwide/target/debug/deps/wrapper_test-a956f9c523d1b6c4)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_basic_counts ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests io_wrapper_statistics
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ce37d0f152ea3baae1f671a9d4ee7726f39635c3b5019f823dd47bf9dd42a6b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce37d0f152ea3baae1f671a9d4ee7726f39635c3b5019f823dd47bf9dd42a6b5", kill_on_drop: false }`
[INFO] [stdout] ce37d0f152ea3baae1f671a9d4ee7726f39635c3b5019f823dd47bf9dd42a6b5