[INFO] fetching crate o2 0.1.0...
[INFO] testing o2-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate o2 0.1.0 into /workspace/builds/worker-52/source
[INFO] validating manifest of crates.io crate o2 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate o2 0.1.0
[INFO] finished tweaking crates.io crate o2 0.1.0
[INFO] tweaked toml for crates.io crate o2 0.1.0 written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42684f117710b13b05c6939ee0b9ea5c68e7d8999face396958805e7bd9f2650
[INFO] running `Command { std: "docker" "start" "-a" "42684f117710b13b05c6939ee0b9ea5c68e7d8999face396958805e7bd9f2650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42684f117710b13b05c6939ee0b9ea5c68e7d8999face396958805e7bd9f2650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42684f117710b13b05c6939ee0b9ea5c68e7d8999face396958805e7bd9f2650", kill_on_drop: false }`
[INFO] [stdout] 42684f117710b13b05c6939ee0b9ea5c68e7d8999face396958805e7bd9f2650
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc050f7026a9bbf7e2a8040efd764b14ae78674831655a325bb3f17935acf480
[INFO] running `Command { std: "docker" "start" "-a" "cc050f7026a9bbf7e2a8040efd764b14ae78674831655a325bb3f17935acf480", kill_on_drop: false }`
[INFO] [stderr]    Compiling o2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "cc050f7026a9bbf7e2a8040efd764b14ae78674831655a325bb3f17935acf480", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc050f7026a9bbf7e2a8040efd764b14ae78674831655a325bb3f17935acf480", kill_on_drop: false }`
[INFO] [stdout] cc050f7026a9bbf7e2a8040efd764b14ae78674831655a325bb3f17935acf480
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e5cc62ef30abf266d3dfefd4ed28b5fc907d4b21345c397aa7ceb2f9dde7fd2
[INFO] running `Command { std: "docker" "start" "-a" "4e5cc62ef30abf266d3dfefd4ed28b5fc907d4b21345c397aa7ceb2f9dde7fd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling o2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "4e5cc62ef30abf266d3dfefd4ed28b5fc907d4b21345c397aa7ceb2f9dde7fd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e5cc62ef30abf266d3dfefd4ed28b5fc907d4b21345c397aa7ceb2f9dde7fd2", kill_on_drop: false }`
[INFO] [stdout] 4e5cc62ef30abf266d3dfefd4ed28b5fc907d4b21345c397aa7ceb2f9dde7fd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cd8d8ea599ceec1e4093ce7247150f562373d460dd1134351abf80b3df94fd84
[INFO] running `Command { std: "docker" "start" "-a" "cd8d8ea599ceec1e4093ce7247150f562373d460dd1134351abf80b3df94fd84", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/o2-c33a19e2201060ed)
[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]    Doc-tests o2
[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" "cd8d8ea599ceec1e4093ce7247150f562373d460dd1134351abf80b3df94fd84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd8d8ea599ceec1e4093ce7247150f562373d460dd1134351abf80b3df94fd84", kill_on_drop: false }`
[INFO] [stdout] cd8d8ea599ceec1e4093ce7247150f562373d460dd1134351abf80b3df94fd84