[INFO] fetching crate zerobuf 0.0.3...
[INFO] testing zerobuf-0.0.3 against 1.75.0 for beta-1.76-3
[INFO] extracting crate zerobuf 0.0.3 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate zerobuf 0.0.3 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zerobuf 0.0.3
[INFO] finished tweaking crates.io crate zerobuf 0.0.3
[INFO] tweaked toml for crates.io crate zerobuf 0.0.3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a79b1290d76115208f6755a38595fb7b4e2260aea2c30bb9527b79d93a715d87
[INFO] running `Command { std: "docker" "start" "-a" "a79b1290d76115208f6755a38595fb7b4e2260aea2c30bb9527b79d93a715d87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a79b1290d76115208f6755a38595fb7b4e2260aea2c30bb9527b79d93a715d87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a79b1290d76115208f6755a38595fb7b4e2260aea2c30bb9527b79d93a715d87", kill_on_drop: false }`
[INFO] [stdout] a79b1290d76115208f6755a38595fb7b4e2260aea2c30bb9527b79d93a715d87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0539851feee6a77c718349cd52dac15117f852e0036ecb772d38512cfcfd98e8
[INFO] running `Command { std: "docker" "start" "-a" "0539851feee6a77c718349cd52dac15117f852e0036ecb772d38512cfcfd98e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerobuf v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "0539851feee6a77c718349cd52dac15117f852e0036ecb772d38512cfcfd98e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0539851feee6a77c718349cd52dac15117f852e0036ecb772d38512cfcfd98e8", kill_on_drop: false }`
[INFO] [stdout] 0539851feee6a77c718349cd52dac15117f852e0036ecb772d38512cfcfd98e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ebb67d2eca55163fc4c167996f271d09f3f51752287866b3785374aa911d410
[INFO] running `Command { std: "docker" "start" "-a" "4ebb67d2eca55163fc4c167996f271d09f3f51752287866b3785374aa911d410", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerobuf v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "4ebb67d2eca55163fc4c167996f271d09f3f51752287866b3785374aa911d410", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ebb67d2eca55163fc4c167996f271d09f3f51752287866b3785374aa911d410", kill_on_drop: false }`
[INFO] [stdout] 4ebb67d2eca55163fc4c167996f271d09f3f51752287866b3785374aa911d410
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2e2952e690235c84031e98f0929bc4b41ecfb91834cbf545dc3a38a72ca5ddc6
[INFO] running `Command { std: "docker" "start" "-a" "2e2952e690235c84031e98f0929bc4b41ecfb91834cbf545dc3a38a72ca5ddc6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/zerobuf-ad4a959a50fbb51b)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::destructor ... ok
[INFO] [stdout] test tests::zero_sized ... ok
[INFO] [stdout] test tests::hash_equal ... ok
[INFO] [stdout] test tests::simulate_push ... ok
[INFO] [stdout] test tests::zero_value_primitives ... ok
[INFO] [stdout] test tests::growth ... ok
[INFO] [stdout] test tests::zero_value_pointers ... ok
[INFO] [stderr]    Doc-tests zerobuf
[INFO] [stdout] test tests::resize_to_zero ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - ZeroBuf<T>::with_capacity (line 84) ... ok
[INFO] [stdout] test src/lib.rs - ZeroBuf<T,P>::default_value (line 292) ... ok
[INFO] [stdout] test src/lib.rs - ZeroBuf<T,P>::as_slice_mut (line 164) ... ok
[INFO] [stdout] test src/lib.rs - ZeroBuf<T,P>::with_capacity_and_params (line 105) ... ok
[INFO] [stdout] test src/lib.rs - ZeroBuf<T,P>::as_slice (line 143) ... ok
[INFO] [stdout] test src/params.rs - params (line 6) ... ok
[INFO] [stdout] test src/lib.rs - ZeroBuf<T,P>::grow (line 205) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.62s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2e2952e690235c84031e98f0929bc4b41ecfb91834cbf545dc3a38a72ca5ddc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e2952e690235c84031e98f0929bc4b41ecfb91834cbf545dc3a38a72ca5ddc6", kill_on_drop: false }`
[INFO] [stdout] 2e2952e690235c84031e98f0929bc4b41ecfb91834cbf545dc3a38a72ca5ddc6