[INFO] fetching crate empty-box 0.1.1...
[INFO] testing empty-box-0.1.1 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate empty-box 0.1.1 into /workspace/builds/worker-39/source
[INFO] validating manifest of crates.io crate empty-box 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 empty-box 0.1.1
[INFO] finished tweaking crates.io crate empty-box 0.1.1
[INFO] tweaked toml for crates.io crate empty-box 0.1.1 written to /workspace/builds/worker-39/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] ab7a2c0db3138e0199c7e52b7463452556e6484fd54e781a7224b3b7522cb91d
[INFO] running `Command { std: "docker" "start" "-a" "ab7a2c0db3138e0199c7e52b7463452556e6484fd54e781a7224b3b7522cb91d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab7a2c0db3138e0199c7e52b7463452556e6484fd54e781a7224b3b7522cb91d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab7a2c0db3138e0199c7e52b7463452556e6484fd54e781a7224b3b7522cb91d", kill_on_drop: false }`
[INFO] [stdout] ab7a2c0db3138e0199c7e52b7463452556e6484fd54e781a7224b3b7522cb91d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] 5b05cef86941d921c9cb35aa453e7f04ef0c2cdb43259d4739f564281a4eddf0
[INFO] running `Command { std: "docker" "start" "-a" "5b05cef86941d921c9cb35aa453e7f04ef0c2cdb43259d4739f564281a4eddf0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling empty-box v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "5b05cef86941d921c9cb35aa453e7f04ef0c2cdb43259d4739f564281a4eddf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b05cef86941d921c9cb35aa453e7f04ef0c2cdb43259d4739f564281a4eddf0", kill_on_drop: false }`
[INFO] [stdout] 5b05cef86941d921c9cb35aa453e7f04ef0c2cdb43259d4739f564281a4eddf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] d1e24ff65a72a524a2a865135aa10a26c56136e4a5b097d38315fd0e9c4ac03d
[INFO] running `Command { std: "docker" "start" "-a" "d1e24ff65a72a524a2a865135aa10a26c56136e4a5b097d38315fd0e9c4ac03d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling empty-box v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "d1e24ff65a72a524a2a865135aa10a26c56136e4a5b097d38315fd0e9c4ac03d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1e24ff65a72a524a2a865135aa10a26c56136e4a5b097d38315fd0e9c4ac03d", kill_on_drop: false }`
[INFO] [stdout] d1e24ff65a72a524a2a865135aa10a26c56136e4a5b097d38315fd0e9c4ac03d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] 185b13ccc2c192486545f4f27143a4a3cd0580d9886ff9115a47b35bb776600d
[INFO] running `Command { std: "docker" "start" "-a" "185b13ccc2c192486545f4f27143a4a3cd0580d9886ff9115a47b35bb776600d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/empty_box-e20852a67dc80e2a)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::drop_counter ... ok
[INFO] [stdout] test test::no_drop ... ok
[INFO] [stdout] test test::two_drop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests empty-box
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.32s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "185b13ccc2c192486545f4f27143a4a3cd0580d9886ff9115a47b35bb776600d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "185b13ccc2c192486545f4f27143a4a3cd0580d9886ff9115a47b35bb776600d", kill_on_drop: false }`
[INFO] [stdout] 185b13ccc2c192486545f4f27143a4a3cd0580d9886ff9115a47b35bb776600d