[INFO] fetching crate empty-box 0.1.1...
[INFO] testing empty-box-0.1.1 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate empty-box 0.1.1 into /workspace/builds/worker-44/source
[INFO] validating manifest of crates.io crate empty-box 0.1.1 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 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-44/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] 8883ae844e943ab771e139c024de6bb6bfbd1217ec94d11daf57678be0d48d90
[INFO] running `Command { std: "docker" "start" "-a" "8883ae844e943ab771e139c024de6bb6bfbd1217ec94d11daf57678be0d48d90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8883ae844e943ab771e139c024de6bb6bfbd1217ec94d11daf57678be0d48d90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8883ae844e943ab771e139c024de6bb6bfbd1217ec94d11daf57678be0d48d90", kill_on_drop: false }`
[INFO] [stdout] 8883ae844e943ab771e139c024de6bb6bfbd1217ec94d11daf57678be0d48d90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] 1c56ef92deb249a827b38d844469f3fd693f570d7f12faafae1ff73dc6084e36
[INFO] running `Command { std: "docker" "start" "-a" "1c56ef92deb249a827b38d844469f3fd693f570d7f12faafae1ff73dc6084e36", kill_on_drop: false }`
[INFO] [stderr]    Compiling empty-box v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "1c56ef92deb249a827b38d844469f3fd693f570d7f12faafae1ff73dc6084e36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c56ef92deb249a827b38d844469f3fd693f570d7f12faafae1ff73dc6084e36", kill_on_drop: false }`
[INFO] [stdout] 1c56ef92deb249a827b38d844469f3fd693f570d7f12faafae1ff73dc6084e36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] b889a4643dc50085a476bd35af9fc8d5c78bcd47f4025cfaeaa44739da50ead0
[INFO] running `Command { std: "docker" "start" "-a" "b889a4643dc50085a476bd35af9fc8d5c78bcd47f4025cfaeaa44739da50ead0", 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 1.25s
[INFO] running `Command { std: "docker" "inspect" "b889a4643dc50085a476bd35af9fc8d5c78bcd47f4025cfaeaa44739da50ead0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b889a4643dc50085a476bd35af9fc8d5c78bcd47f4025cfaeaa44739da50ead0", kill_on_drop: false }`
[INFO] [stdout] b889a4643dc50085a476bd35af9fc8d5c78bcd47f4025cfaeaa44739da50ead0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] a5316593ba21f14f89ee977e65ca5a3403d11b49d4054256445404b3c88d46dc
[INFO] running `Command { std: "docker" "start" "-a" "a5316593ba21f14f89ee977e65ca5a3403d11b49d4054256445404b3c88d46dc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[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::two_drop ... ok
[INFO] [stdout] test test::no_drop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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 1.17s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a5316593ba21f14f89ee977e65ca5a3403d11b49d4054256445404b3c88d46dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5316593ba21f14f89ee977e65ca5a3403d11b49d4054256445404b3c88d46dc", kill_on_drop: false }`
[INFO] [stdout] a5316593ba21f14f89ee977e65ca5a3403d11b49d4054256445404b3c88d46dc