[INFO] fetching crate stacked-sandwich 1.4.0...
[INFO] testing stacked-sandwich-1.4.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate stacked-sandwich 1.4.0 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate stacked-sandwich 1.4.0 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 stacked-sandwich 1.4.0
[INFO] finished tweaking crates.io crate stacked-sandwich 1.4.0
[INFO] tweaked toml for crates.io crate stacked-sandwich 1.4.0 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 8143b642be33c4d9b077028524d93bd988615aa5fe3260cdc7c7f80c5fde4281
[INFO] running `Command { std: "docker" "start" "-a" "8143b642be33c4d9b077028524d93bd988615aa5fe3260cdc7c7f80c5fde4281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8143b642be33c4d9b077028524d93bd988615aa5fe3260cdc7c7f80c5fde4281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8143b642be33c4d9b077028524d93bd988615aa5fe3260cdc7c7f80c5fde4281", kill_on_drop: false }`
[INFO] [stdout] 8143b642be33c4d9b077028524d93bd988615aa5fe3260cdc7c7f80c5fde4281
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] aff41b7c25537edd5d68248a95e337598c5ad295bd6e814fa90fcb5ee627407f
[INFO] running `Command { std: "docker" "start" "-a" "aff41b7c25537edd5d68248a95e337598c5ad295bd6e814fa90fcb5ee627407f", kill_on_drop: false }`
[INFO] [stderr]    Compiling stacked-sandwich v1.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "aff41b7c25537edd5d68248a95e337598c5ad295bd6e814fa90fcb5ee627407f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aff41b7c25537edd5d68248a95e337598c5ad295bd6e814fa90fcb5ee627407f", kill_on_drop: false }`
[INFO] [stdout] aff41b7c25537edd5d68248a95e337598c5ad295bd6e814fa90fcb5ee627407f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 5600439d44db6b3e58cae14ca2ef8546c1cde14593c70bd06ffab153036fd490
[INFO] running `Command { std: "docker" "start" "-a" "5600439d44db6b3e58cae14ca2ef8546c1cde14593c70bd06ffab153036fd490", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling stacked-sandwich v1.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `Command { std: "docker" "inspect" "5600439d44db6b3e58cae14ca2ef8546c1cde14593c70bd06ffab153036fd490", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5600439d44db6b3e58cae14ca2ef8546c1cde14593c70bd06ffab153036fd490", kill_on_drop: false }`
[INFO] [stdout] 5600439d44db6b3e58cae14ca2ef8546c1cde14593c70bd06ffab153036fd490
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 85ed896708367ffb0b296bd483bb5c38db1afb2d1737ebf54061042db4c429a7
[INFO] running `Command { std: "docker" "start" "-a" "85ed896708367ffb0b296bd483bb5c38db1afb2d1737ebf54061042db4c429a7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stacked_sandwich-746f28b575484265)
[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/integration_tests.rs (/opt/rustwide/target/debug/deps/integration_tests-14e44cf98f69385a)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test1 ... ok
[INFO] [stdout] test tests::test2 ... ok
[INFO] [stdout] test tests::test3 ... ok
[INFO] [stdout] test tests::test4 ... ok
[INFO] [stdout] test tests::test5 ... ok
[INFO] [stdout] test tests::test6 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stacked-sandwich
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/interface.rs - interface::equal_is_bigger (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "85ed896708367ffb0b296bd483bb5c38db1afb2d1737ebf54061042db4c429a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85ed896708367ffb0b296bd483bb5c38db1afb2d1737ebf54061042db4c429a7", kill_on_drop: false }`
[INFO] [stdout] 85ed896708367ffb0b296bd483bb5c38db1afb2d1737ebf54061042db4c429a7