[INFO] crate vsop87 2.0.3 is already in cache
[INFO] testing vsop87-2.0.3 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate vsop87 2.0.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate vsop87 2.0.3 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vsop87 2.0.3
[INFO] finished tweaking crates.io crate vsop87 2.0.3
[INFO] tweaked toml for crates.io crate vsop87 2.0.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56b06782e70e30253750024b5a2c874601110eacc98ffc6ce83f7e53ae66b2f2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "56b06782e70e30253750024b5a2c874601110eacc98ffc6ce83f7e53ae66b2f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56b06782e70e30253750024b5a2c874601110eacc98ffc6ce83f7e53ae66b2f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56b06782e70e30253750024b5a2c874601110eacc98ffc6ce83f7e53ae66b2f2", kill_on_drop: false }`
[INFO] [stdout] 56b06782e70e30253750024b5a2c874601110eacc98ffc6ce83f7e53ae66b2f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19f19e3f69e7326e0991725b7d8642e7ae097a3892f88433e2fb15d26a04f42a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "19f19e3f69e7326e0991725b7d8642e7ae097a3892f88433e2fb15d26a04f42a", kill_on_drop: false }`
[INFO] [stderr]    Compiling vsop87 v2.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: lint `plugin_as_library` has been removed: `plugins have been deprecated and retired`
[INFO] [stdout]   --> src/lib.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     plugin_as_library, private_no_mangle_fns, private_no_mangle_statics, stable_features,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:79:25
[INFO] [stdout]    |
[INFO] [stdout] 79 | #![forbid(missing_docs, warnings)]
[INFO] [stdout]    |                         ^^^^^^^^
[INFO] [stdout]    = note: `#[forbid(renamed_and_removed_lints)]` implied by `#[forbid(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: lint `private_no_mangle_fns` has been removed: `no longer a warning, `#[no_mangle]` functions always exported`
[INFO] [stdout]   --> src/lib.rs:81:24
[INFO] [stdout]    |
[INFO] [stdout] 81 |     plugin_as_library, private_no_mangle_fns, private_no_mangle_statics, stable_features,
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: lint `private_no_mangle_statics` has been removed: `no longer a warning, `#[no_mangle]` statics always exported`
[INFO] [stdout]   --> src/lib.rs:81:47
[INFO] [stdout]    |
[INFO] [stdout] 81 |     plugin_as_library, private_no_mangle_fns, private_no_mangle_statics, stable_features,
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vsop87`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "19f19e3f69e7326e0991725b7d8642e7ae097a3892f88433e2fb15d26a04f42a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19f19e3f69e7326e0991725b7d8642e7ae097a3892f88433e2fb15d26a04f42a", kill_on_drop: false }`
[INFO] [stdout] 19f19e3f69e7326e0991725b7d8642e7ae097a3892f88433e2fb15d26a04f42a