[INFO] fetching crate io_tee 0.1.1...
[INFO] testing io_tee-0.1.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate io_tee 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate io_tee 0.1.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate io_tee 0.1.1
[INFO] finished tweaking crates.io crate io_tee 0.1.1
[INFO] tweaked toml for crates.io crate io_tee 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", 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] 938381fd92e3f47b8726b3c00bd57d747bf0b4e31a3400f5f8725a50715299a9
[INFO] running `Command { std: "docker" "start" "-a" "938381fd92e3f47b8726b3c00bd57d747bf0b4e31a3400f5f8725a50715299a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "938381fd92e3f47b8726b3c00bd57d747bf0b4e31a3400f5f8725a50715299a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "938381fd92e3f47b8726b3c00bd57d747bf0b4e31a3400f5f8725a50715299a9", kill_on_drop: false }`
[INFO] [stdout] 938381fd92e3f47b8726b3c00bd57d747bf0b4e31a3400f5f8725a50715299a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6eafe9adfd13f8151c90529adc46d7c7173b60a074ed2ba46bc67199c8267fd3
[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" "6eafe9adfd13f8151c90529adc46d7c7173b60a074ed2ba46bc67199c8267fd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling io_tee v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "6eafe9adfd13f8151c90529adc46d7c7173b60a074ed2ba46bc67199c8267fd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eafe9adfd13f8151c90529adc46d7c7173b60a074ed2ba46bc67199c8267fd3", kill_on_drop: false }`
[INFO] [stdout] 6eafe9adfd13f8151c90529adc46d7c7173b60a074ed2ba46bc67199c8267fd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 032e1f0d25ad6871c8c80db79dad95a2d58c461c7b35ab3d87d205250aa0063e
[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" "032e1f0d25ad6871c8c80db79dad95a2d58c461c7b35ab3d87d205250aa0063e", kill_on_drop: false }`
[INFO] [stderr]    Compiling io_tee v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/io_tee-d4407aa753d22a96)
[INFO] running `Command { std: "docker" "inspect" "032e1f0d25ad6871c8c80db79dad95a2d58c461c7b35ab3d87d205250aa0063e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "032e1f0d25ad6871c8c80db79dad95a2d58c461c7b35ab3d87d205250aa0063e", kill_on_drop: false }`
[INFO] [stdout] 032e1f0d25ad6871c8c80db79dad95a2d58c461c7b35ab3d87d205250aa0063e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2022-04-10" "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] 6d6758e0518c6d8fc46a988dbea79a2bac54c15cd07011f3d09e3184e5a64c75
[INFO] running `Command { std: "docker" "start" "-a" "6d6758e0518c6d8fc46a988dbea79a2bac54c15cd07011f3d09e3184e5a64c75", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/io_tee-d4407aa753d22a96)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::basic_read ... ok
[INFO] [stdout] test tests::read_to_end ... ok
[INFO] [stdout] test tests::buf_read ... ok
[INFO] [stderr]    Doc-tests io_tee
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6d6758e0518c6d8fc46a988dbea79a2bac54c15cd07011f3d09e3184e5a64c75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d6758e0518c6d8fc46a988dbea79a2bac54c15cd07011f3d09e3184e5a64c75", kill_on_drop: false }`
[INFO] [stdout] 6d6758e0518c6d8fc46a988dbea79a2bac54c15cd07011f3d09e3184e5a64c75