[INFO] fetching crate rchunks 0.1.4...
[INFO] testing rchunks-0.1.4 against 1.60.0 for beta-1.61-1
[INFO] extracting crate rchunks 0.1.4 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate rchunks 0.1.4 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rchunks 0.1.4
[INFO] finished tweaking crates.io crate rchunks 0.1.4
[INFO] tweaked toml for crates.io crate rchunks 0.1.4 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 082b3d649ea614c5d6331de2e86027d5c2586c7c095484a471eb39190e98ef79
[INFO] running `Command { std: "docker" "start" "-a" "082b3d649ea614c5d6331de2e86027d5c2586c7c095484a471eb39190e98ef79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "082b3d649ea614c5d6331de2e86027d5c2586c7c095484a471eb39190e98ef79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "082b3d649ea614c5d6331de2e86027d5c2586c7c095484a471eb39190e98ef79", kill_on_drop: false }`
[INFO] [stdout] 082b3d649ea614c5d6331de2e86027d5c2586c7c095484a471eb39190e98ef79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5aeeb149d1a2637e7ca0fa09e566c6fb5372c6c7cd81e61204c2d3000ff1d87
[INFO] running `Command { std: "docker" "start" "-a" "c5aeeb149d1a2637e7ca0fa09e566c6fb5372c6c7cd81e61204c2d3000ff1d87", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rchunks v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "c5aeeb149d1a2637e7ca0fa09e566c6fb5372c6c7cd81e61204c2d3000ff1d87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5aeeb149d1a2637e7ca0fa09e566c6fb5372c6c7cd81e61204c2d3000ff1d87", kill_on_drop: false }`
[INFO] [stdout] c5aeeb149d1a2637e7ca0fa09e566c6fb5372c6c7cd81e61204c2d3000ff1d87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55afc29ed8edb6fb5271f813bf6176d54176d4d2859562e4696c521008f946a7
[INFO] running `Command { std: "docker" "start" "-a" "55afc29ed8edb6fb5271f813bf6176d54176d4d2859562e4696c521008f946a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling rchunks v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "55afc29ed8edb6fb5271f813bf6176d54176d4d2859562e4696c521008f946a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55afc29ed8edb6fb5271f813bf6176d54176d4d2859562e4696c521008f946a7", kill_on_drop: false }`
[INFO] [stdout] 55afc29ed8edb6fb5271f813bf6176d54176d4d2859562e4696c521008f946a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f2cd43354ceec084916f4aad6ca88599faca75be0276874a007a425de6e1c433
[INFO] running `Command { std: "docker" "start" "-a" "f2cd43354ceec084916f4aad6ca88599faca75be0276874a007a425de6e1c433", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rchunks-5f05e3c571a50b30)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test rchunks_double_ended_test ... ok
[INFO] [stdout] test rchunks_mut_double_ended_test ... ok
[INFO] [stdout] test rchunks_mut_size_hint_test ... ok
[INFO] [stdout] test rchunks_mut_test_1 ... ok
[INFO] [stdout] test rchunks_size_hint_test ... ok
[INFO] [stdout] test rchunks_test_1 ... ok
[INFO] [stdout] test rchunks_mut_test_0 - should panic ... ok
[INFO] [stdout] test rchunks_test_0 - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rchunks
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 13) ... ignored
[INFO] [stdout] test src/lib.rs - RChunks::rchunks (line 153) ... ok
[INFO] [stdout] test src/lib.rs - RChunks::rchunks_mut (line 176) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f2cd43354ceec084916f4aad6ca88599faca75be0276874a007a425de6e1c433", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2cd43354ceec084916f4aad6ca88599faca75be0276874a007a425de6e1c433", kill_on_drop: false }`
[INFO] [stdout] f2cd43354ceec084916f4aad6ca88599faca75be0276874a007a425de6e1c433