[INFO] fetching crate fs-sparse 0.0.0...
[INFO] testing fs-sparse-0.0.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate fs-sparse 0.0.0 into /workspace/builds/worker-61/source
[INFO] validating manifest of crates.io crate fs-sparse 0.0.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fs-sparse 0.0.0
[INFO] finished tweaking crates.io crate fs-sparse 0.0.0
[INFO] tweaked toml for crates.io crate fs-sparse 0.0.0 written to /workspace/builds/worker-61/source/Cargo.toml
[INFO] crate crates.io crate fs-sparse 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c98c208a135fb780dcfc2d8b9de3443ab340967048cc462e8cf3f1564bb19e9
[INFO] running `Command { std: "docker" "start" "-a" "1c98c208a135fb780dcfc2d8b9de3443ab340967048cc462e8cf3f1564bb19e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c98c208a135fb780dcfc2d8b9de3443ab340967048cc462e8cf3f1564bb19e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c98c208a135fb780dcfc2d8b9de3443ab340967048cc462e8cf3f1564bb19e9", kill_on_drop: false }`
[INFO] [stdout] 1c98c208a135fb780dcfc2d8b9de3443ab340967048cc462e8cf3f1564bb19e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28f5c3d50220ae2dd62f3f501ba284e62165081ad06bf07b275ea3a08e31425d
[INFO] running `Command { std: "docker" "start" "-a" "28f5c3d50220ae2dd62f3f501ba284e62165081ad06bf07b275ea3a08e31425d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fs-sparse v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "28f5c3d50220ae2dd62f3f501ba284e62165081ad06bf07b275ea3a08e31425d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28f5c3d50220ae2dd62f3f501ba284e62165081ad06bf07b275ea3a08e31425d", kill_on_drop: false }`
[INFO] [stdout] 28f5c3d50220ae2dd62f3f501ba284e62165081ad06bf07b275ea3a08e31425d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df9da1af7d854e12a22aa0bb0ed24ee0226d9e0efbc20c0e6c21502db4c108fa
[INFO] running `Command { std: "docker" "start" "-a" "df9da1af7d854e12a22aa0bb0ed24ee0226d9e0efbc20c0e6c21502db4c108fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling fs-sparse v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "df9da1af7d854e12a22aa0bb0ed24ee0226d9e0efbc20c0e6c21502db4c108fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df9da1af7d854e12a22aa0bb0ed24ee0226d9e0efbc20c0e6c21502db4c108fa", kill_on_drop: false }`
[INFO] [stdout] df9da1af7d854e12a22aa0bb0ed24ee0226d9e0efbc20c0e6c21502db4c108fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 08b32148481a531f60a8fd90d30101a3412096b272f7564e089b7e9793202276
[INFO] running `Command { std: "docker" "start" "-a" "08b32148481a531f60a8fd90d30101a3412096b272f7564e089b7e9793202276", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fs_sparse-567f00042cd19093)
[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" "08b32148481a531f60a8fd90d30101a3412096b272f7564e089b7e9793202276", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08b32148481a531f60a8fd90d30101a3412096b272f7564e089b7e9793202276", kill_on_drop: false }`
[INFO] [stdout] 08b32148481a531f60a8fd90d30101a3412096b272f7564e089b7e9793202276