[INFO] fetching crate ustar 0.0.0-stub...
[INFO] testing ustar-0.0.0-stub against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate ustar 0.0.0-stub into /workspace/builds/worker-97/source
[INFO] validating manifest of crates.io crate ustar 0.0.0-stub on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ustar 0.0.0-stub
[INFO] finished tweaking crates.io crate ustar 0.0.0-stub
[INFO] tweaked toml for crates.io crate ustar 0.0.0-stub written to /workspace/builds/worker-97/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46bb47c534e60851109873bbab8db9e507ecd2a3f5486b624ee2f73ff170da6c
[INFO] running `Command { std: "docker" "start" "-a" "46bb47c534e60851109873bbab8db9e507ecd2a3f5486b624ee2f73ff170da6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46bb47c534e60851109873bbab8db9e507ecd2a3f5486b624ee2f73ff170da6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46bb47c534e60851109873bbab8db9e507ecd2a3f5486b624ee2f73ff170da6c", kill_on_drop: false }`
[INFO] [stdout] 46bb47c534e60851109873bbab8db9e507ecd2a3f5486b624ee2f73ff170da6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52fd722869c32979f013ad2541ca5265d9476b486b829e07c97b3094ddb5d012
[INFO] running `Command { std: "docker" "start" "-a" "52fd722869c32979f013ad2541ca5265d9476b486b829e07c97b3094ddb5d012", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ustar v0.0.0-stub (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "52fd722869c32979f013ad2541ca5265d9476b486b829e07c97b3094ddb5d012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52fd722869c32979f013ad2541ca5265d9476b486b829e07c97b3094ddb5d012", kill_on_drop: false }`
[INFO] [stdout] 52fd722869c32979f013ad2541ca5265d9476b486b829e07c97b3094ddb5d012
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3c84de1fbacc021c3c3eb264aea1d3be0800221f153fe28c5f6299d8c424c2f
[INFO] running `Command { std: "docker" "start" "-a" "e3c84de1fbacc021c3c3eb264aea1d3be0800221f153fe28c5f6299d8c424c2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling ustar v0.0.0-stub (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "e3c84de1fbacc021c3c3eb264aea1d3be0800221f153fe28c5f6299d8c424c2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3c84de1fbacc021c3c3eb264aea1d3be0800221f153fe28c5f6299d8c424c2f", kill_on_drop: false }`
[INFO] [stdout] e3c84de1fbacc021c3c3eb264aea1d3be0800221f153fe28c5f6299d8c424c2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 571e13afc917023092e69d9eac324aeb5d0e3d061be65ea26bde65d7cf46fdbf
[INFO] running `Command { std: "docker" "start" "-a" "571e13afc917023092e69d9eac324aeb5d0e3d061be65ea26bde65d7cf46fdbf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ustar-986f39ada8f5855d)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ustar
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... 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] [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" "571e13afc917023092e69d9eac324aeb5d0e3d061be65ea26bde65d7cf46fdbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "571e13afc917023092e69d9eac324aeb5d0e3d061be65ea26bde65d7cf46fdbf", kill_on_drop: false }`
[INFO] [stdout] 571e13afc917023092e69d9eac324aeb5d0e3d061be65ea26bde65d7cf46fdbf