[INFO] fetching crate accumulator 0.7.0...
[INFO] checking accumulator-0.7.0 against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] extracting crate accumulator 0.7.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate accumulator 0.7.0 on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate accumulator 0.7.0
[INFO] finished tweaking crates.io crate accumulator 0.7.0
[INFO] tweaked toml for crates.io crate accumulator 0.7.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lru_time_cache v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 423578232ab456d465e6f6ed42fb71b99772f68d9f08a3d1b6192cfa69b8869b
[INFO] running `Command { std: "docker" "start" "-a" "423578232ab456d465e6f6ed42fb71b99772f68d9f08a3d1b6192cfa69b8869b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "423578232ab456d465e6f6ed42fb71b99772f68d9f08a3d1b6192cfa69b8869b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "423578232ab456d465e6f6ed42fb71b99772f68d9f08a3d1b6192cfa69b8869b", kill_on_drop: false }`
[INFO] [stdout] 423578232ab456d465e6f6ed42fb71b99772f68d9f08a3d1b6192cfa69b8869b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09fe8e09f89acdfb4a781f101f1ada24922d1ae87dd2922206de141616941989
[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" "09fe8e09f89acdfb4a781f101f1ada24922d1ae87dd2922206de141616941989", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking lru_time_cache v0.7.0
[INFO] [stderr]     Checking accumulator v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `exceeding_bitshifts` has been renamed to `arithmetic_overflow`
[INFO] [stdout]   --> src/lib.rs:33:22
[INFO] [stdout]    |
[INFO] [stdout] 33 | #![forbid(bad_style, exceeding_bitshifts, mutable_transmutes, no_mangle_const_items,
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^ help: use the new name: `arithmetic_overflow`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: lint `plugin_as_library` has been removed: `plugins have been deprecated and retired`
[INFO] [stdout]   --> src/lib.rs:36:61
[INFO] [stdout]    |
[INFO] [stdout] 36 |         non_shorthand_field_patterns, overflowing_literals, plugin_as_library,
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:34:32
[INFO] [stdout]    |
[INFO] [stdout] 34 |           unknown_crate_types, 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:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         private_no_mangle_fns, private_no_mangle_statics, stable_features, unconditional_recursion,
[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:37:32
[INFO] [stdout]    |
[INFO] [stdout] 37 |         private_no_mangle_fns, private_no_mangle_statics, stable_features, unconditional_recursion,
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `accumulator`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "09fe8e09f89acdfb4a781f101f1ada24922d1ae87dd2922206de141616941989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09fe8e09f89acdfb4a781f101f1ada24922d1ae87dd2922206de141616941989", kill_on_drop: false }`
[INFO] [stdout] 09fe8e09f89acdfb4a781f101f1ada24922d1ae87dd2922206de141616941989