[INFO] fetching crate basic_tar 0.1.1...
[INFO] testing basic_tar-0.1.1 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate basic_tar 0.1.1 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate basic_tar 0.1.1 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate basic_tar 0.1.1
[INFO] finished tweaking crates.io crate basic_tar 0.1.1
[INFO] tweaked toml for crates.io crate basic_tar 0.1.1 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1e2658a630625ac9afa36c51040927369bab6110553a8ae2b5afcf80628c7f8
[INFO] running `Command { std: "docker" "start" "-a" "c1e2658a630625ac9afa36c51040927369bab6110553a8ae2b5afcf80628c7f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1e2658a630625ac9afa36c51040927369bab6110553a8ae2b5afcf80628c7f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1e2658a630625ac9afa36c51040927369bab6110553a8ae2b5afcf80628c7f8", kill_on_drop: false }`
[INFO] [stdout] c1e2658a630625ac9afa36c51040927369bab6110553a8ae2b5afcf80628c7f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f7cdaff76e0b5db97c6a09bc0e59d847d8b6e09665f5e253b7bc9e835b10b2a
[INFO] running `Command { std: "docker" "start" "-a" "7f7cdaff76e0b5db97c6a09bc0e59d847d8b6e09665f5e253b7bc9e835b10b2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling basic_tar v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "7f7cdaff76e0b5db97c6a09bc0e59d847d8b6e09665f5e253b7bc9e835b10b2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f7cdaff76e0b5db97c6a09bc0e59d847d8b6e09665f5e253b7bc9e835b10b2a", kill_on_drop: false }`
[INFO] [stdout] 7f7cdaff76e0b5db97c6a09bc0e59d847d8b6e09665f5e253b7bc9e835b10b2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab96c6e5d7366db72453e516067c7e6f2f78d5ec8b784e043ca23ac1a96bb0b1
[INFO] running `Command { std: "docker" "start" "-a" "ab96c6e5d7366db72453e516067c7e6f2f78d5ec8b784e043ca23ac1a96bb0b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling basic_tar v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "ab96c6e5d7366db72453e516067c7e6f2f78d5ec8b784e043ca23ac1a96bb0b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab96c6e5d7366db72453e516067c7e6f2f78d5ec8b784e043ca23ac1a96bb0b1", kill_on_drop: false }`
[INFO] [stdout] ab96c6e5d7366db72453e516067c7e6f2f78d5ec8b784e043ca23ac1a96bb0b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c1ad193d869f39e3820fd515593ffc4471e265612dfb029c4afeb4b372f492d3
[INFO] running `Command { std: "docker" "start" "-a" "c1ad193d869f39e3820fd515593ffc4471e265612dfb029c4afeb4b372f492d3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/basic_tar-6881c88c43399bf0)
[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/predefined.rs (/opt/rustwide/target/debug/deps/predefined-a929def64066639e)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_read ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests basic_tar
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 52) ... ok
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c1ad193d869f39e3820fd515593ffc4471e265612dfb029c4afeb4b372f492d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1ad193d869f39e3820fd515593ffc4471e265612dfb029c4afeb4b372f492d3", kill_on_drop: false }`
[INFO] [stdout] c1ad193d869f39e3820fd515593ffc4471e265612dfb029c4afeb4b372f492d3