[INFO] fetching crate toolbox 0.2.8...
[INFO] testing toolbox-0.2.8 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate toolbox 0.2.8 into /workspace/builds/worker-84/source
[INFO] validating manifest of crates.io crate toolbox 0.2.8 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 toolbox 0.2.8
[INFO] finished tweaking crates.io crate toolbox 0.2.8
[INFO] tweaked toml for crates.io crate toolbox 0.2.8 written to /workspace/builds/worker-84/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] [stderr]     Blocking waiting for file lock on package cache
[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-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 784ddfb7f9619ad874f299897d0a697c3eeb84eb4795a8bbce1a1e5337c686d5
[INFO] running `Command { std: "docker" "start" "-a" "784ddfb7f9619ad874f299897d0a697c3eeb84eb4795a8bbce1a1e5337c686d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "784ddfb7f9619ad874f299897d0a697c3eeb84eb4795a8bbce1a1e5337c686d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "784ddfb7f9619ad874f299897d0a697c3eeb84eb4795a8bbce1a1e5337c686d5", kill_on_drop: false }`
[INFO] [stdout] 784ddfb7f9619ad874f299897d0a697c3eeb84eb4795a8bbce1a1e5337c686d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c98853a3946d51241b2d89ff40e065d4c6f8a80bce7871bff62943ba63770a9
[INFO] running `Command { std: "docker" "start" "-a" "0c98853a3946d51241b2d89ff40e065d4c6f8a80bce7871bff62943ba63770a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling alg_ds v0.2.7
[INFO] [stderr]    Compiling vfsys v0.1.10
[INFO] [stderr]    Compiling toolbox v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "0c98853a3946d51241b2d89ff40e065d4c6f8a80bce7871bff62943ba63770a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c98853a3946d51241b2d89ff40e065d4c6f8a80bce7871bff62943ba63770a9", kill_on_drop: false }`
[INFO] [stdout] 0c98853a3946d51241b2d89ff40e065d4c6f8a80bce7871bff62943ba63770a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8afc05f4dad8dbec7beb7ad334d8a3154b9f9916210b7be33819f17a9dccb014
[INFO] running `Command { std: "docker" "start" "-a" "8afc05f4dad8dbec7beb7ad334d8a3154b9f9916210b7be33819f17a9dccb014", kill_on_drop: false }`
[INFO] [stderr]    Compiling toolbox v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/toolbox-69a971aeea20976e)
[INFO] [stderr]   Executable tests/matrix.rs (/opt/rustwide/target/debug/deps/matrix-59a8e20dc22e508b)
[INFO] running `Command { std: "docker" "inspect" "8afc05f4dad8dbec7beb7ad334d8a3154b9f9916210b7be33819f17a9dccb014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8afc05f4dad8dbec7beb7ad334d8a3154b9f9916210b7be33819f17a9dccb014", kill_on_drop: false }`
[INFO] [stdout] 8afc05f4dad8dbec7beb7ad334d8a3154b9f9916210b7be33819f17a9dccb014
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ebc9ad8c9d226f76c1817bbd18222e6ee9e0174ce8dd3b8ab164d65531efa67c
[INFO] running `Command { std: "docker" "start" "-a" "ebc9ad8c9d226f76c1817bbd18222e6ee9e0174ce8dd3b8ab164d65531efa67c", 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/toolbox-69a971aeea20976e)
[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/matrix.rs (/opt/rustwide/target/debug/deps/matrix-59a8e20dc22e508b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test matrix_integration_test ... 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 toolbox
[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" "ebc9ad8c9d226f76c1817bbd18222e6ee9e0174ce8dd3b8ab164d65531efa67c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebc9ad8c9d226f76c1817bbd18222e6ee9e0174ce8dd3b8ab164d65531efa67c", kill_on_drop: false }`
[INFO] [stdout] ebc9ad8c9d226f76c1817bbd18222e6ee9e0174ce8dd3b8ab164d65531efa67c