[INFO] fetching crate itertree 0.0.3...
[INFO] testing itertree-0.0.3 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate itertree 0.0.3 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate itertree 0.0.3 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 itertree 0.0.3
[INFO] finished tweaking crates.io crate itertree 0.0.3
[INFO] tweaked toml for crates.io crate itertree 0.0.3 written to /workspace/builds/worker-12/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 8478948eae626d285685437de92969cdb8682cd1581fe70de88b07e57cf96461
[INFO] running `Command { std: "docker" "start" "-a" "8478948eae626d285685437de92969cdb8682cd1581fe70de88b07e57cf96461", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8478948eae626d285685437de92969cdb8682cd1581fe70de88b07e57cf96461", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8478948eae626d285685437de92969cdb8682cd1581fe70de88b07e57cf96461", kill_on_drop: false }`
[INFO] [stdout] 8478948eae626d285685437de92969cdb8682cd1581fe70de88b07e57cf96461
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 81836f1b1539f602a5107ad68d2d01421b1f5a14459fdbc1b1799d51200310b1
[INFO] running `Command { std: "docker" "start" "-a" "81836f1b1539f602a5107ad68d2d01421b1f5a14459fdbc1b1799d51200310b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling itertree v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "81836f1b1539f602a5107ad68d2d01421b1f5a14459fdbc1b1799d51200310b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81836f1b1539f602a5107ad68d2d01421b1f5a14459fdbc1b1799d51200310b1", kill_on_drop: false }`
[INFO] [stdout] 81836f1b1539f602a5107ad68d2d01421b1f5a14459fdbc1b1799d51200310b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] eca34bece126e27adfa7c5580e5bb95a93a2d03adea44a5901f89338bb873e3e
[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" "eca34bece126e27adfa7c5580e5bb95a93a2d03adea44a5901f89338bb873e3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rstest v0.9.0
[INFO] [stderr]    Compiling itertree v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.79s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/itertree-9e1cffad15d75aa1)
[INFO] [stderr]   Executable tests/integration.rs (/opt/rustwide/target/debug/deps/integration-90f00572c78d89d6)
[INFO] running `Command { std: "docker" "inspect" "eca34bece126e27adfa7c5580e5bb95a93a2d03adea44a5901f89338bb873e3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eca34bece126e27adfa7c5580e5bb95a93a2d03adea44a5901f89338bb873e3e", kill_on_drop: false }`
[INFO] [stdout] eca34bece126e27adfa7c5580e5bb95a93a2d03adea44a5901f89338bb873e3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] a8cee49c71c6cac7f9c34f0ce0f5131694feca4b675420dcce9c2340a333da7d
[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" "a8cee49c71c6cac7f9c34f0ce0f5131694feca4b675420dcce9c2340a333da7d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/itertree-9e1cffad15d75aa1)
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_base ... ok
[INFO] [stderr]      Running tests/integration.rs (/opt/rustwide/target/debug/deps/integration-90f00572c78d89d6)
[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] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stderr]    Doc-tests itertree
[INFO] [stdout] test test_order::case_3 ... ok
[INFO] [stdout] test test_order::case_1 ... ok
[INFO] [stdout] test test_order::case_2 ... ok
[INFO] [stdout] test test_basic ... ok
[INFO] [stdout] test test_example ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "a8cee49c71c6cac7f9c34f0ce0f5131694feca4b675420dcce9c2340a333da7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8cee49c71c6cac7f9c34f0ce0f5131694feca4b675420dcce9c2340a333da7d", kill_on_drop: false }`
[INFO] [stdout] a8cee49c71c6cac7f9c34f0ce0f5131694feca4b675420dcce9c2340a333da7d