[INFO] fetching crate accumulator 0.7.0...
[INFO] checking accumulator-0.7.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate accumulator 0.7.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate accumulator 0.7.0 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77df1e43d18a9eb7b3a30f65767b5ed73d664fce8cae87a987c553576dae84fa
[INFO] running `Command { std: "docker" "start" "-a" "77df1e43d18a9eb7b3a30f65767b5ed73d664fce8cae87a987c553576dae84fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77df1e43d18a9eb7b3a30f65767b5ed73d664fce8cae87a987c553576dae84fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77df1e43d18a9eb7b3a30f65767b5ed73d664fce8cae87a987c553576dae84fa", kill_on_drop: false }`
[INFO] [stdout] 77df1e43d18a9eb7b3a30f65767b5ed73d664fce8cae87a987c553576dae84fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0145f26ef10e1b2aea184dcb69339368c9421abbf194b136279c3c1698b2cd48
[INFO] running `Command { std: "docker" "start" "-a" "0145f26ef10e1b2aea184dcb69339368c9421abbf194b136279c3c1698b2cd48", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[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] warning: deny(deprecated) incompatible with previous forbid
[INFO] [stdout]   --> src/lib.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |           unknown_crate_types, warnings)]
[INFO] [stdout]    |                                -------- `forbid` level set here
[INFO] [stdout] 35 | #![deny(deprecated, improper_ctypes, missing_docs,
[INFO] [stdout]    |         ^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #81670 <https://github.com/rust-lang/rust/issues/81670>
[INFO] [stdout]    = note: `#[warn(forbidden_lint_groups)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: deny(improper_ctypes) incompatible with previous forbid
[INFO] [stdout]   --> src/lib.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 34 |           unknown_crate_types, warnings)]
[INFO] [stdout]    |                                -------- `forbid` level set here
[INFO] [stdout] 35 | #![deny(deprecated, improper_ctypes, missing_docs,
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #81670 <https://github.com/rust-lang/rust/issues/81670>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: deny(non_shorthand_field_patterns) incompatible with previous forbid
[INFO] [stdout]   --> src/lib.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |           unknown_crate_types, warnings)]
[INFO] [stdout]    |                                -------- `forbid` level set here
[INFO] [stdout] 35 | #![deny(deprecated, improper_ctypes, missing_docs,
[INFO] [stdout] 36 |         non_shorthand_field_patterns, overflowing_literals, plugin_as_library,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #81670 <https://github.com/rust-lang/rust/issues/81670>
[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] warning: deny(stable_features) incompatible with previous forbid
[INFO] [stdout]   --> src/lib.rs:37:59
[INFO] [stdout]    |
[INFO] [stdout] 34 |           unknown_crate_types, warnings)]
[INFO] [stdout]    |                                -------- `forbid` level set here
[INFO] [stdout] ...
[INFO] [stdout] 37 |         private_no_mangle_fns, private_no_mangle_statics, stable_features, unconditional_recursion,
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #81670 <https://github.com/rust-lang/rust/issues/81670>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: deny(unconditional_recursion) incompatible with previous forbid
[INFO] [stdout]   --> src/lib.rs:37:76
[INFO] [stdout]    |
[INFO] [stdout] 34 |           unknown_crate_types, warnings)]
[INFO] [stdout]    |                                -------- `forbid` level set here
[INFO] [stdout] ...
[INFO] [stdout] 37 |         private_no_mangle_fns, private_no_mangle_statics, stable_features, unconditional_recursion,
[INFO] [stdout]    |                                                                            ^^^^^^^^^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #81670 <https://github.com/rust-lang/rust/issues/81670>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: deny(unknown_lints) incompatible with previous forbid
[INFO] [stdout]   --> src/lib.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |           unknown_crate_types, warnings)]
[INFO] [stdout]    |                                -------- `forbid` level set here
[INFO] [stdout] ...
[INFO] [stdout] 38 |         unknown_lints, unsafe_code, unused, unused_allocation, unused_attributes,
[INFO] [stdout]    |         ^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #81670 <https://github.com/rust-lang/rust/issues/81670>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: deny(unused) incompatible with previous forbid
[INFO] [stdout]   --> src/lib.rs:38:37
[INFO] [stdout]    |
[INFO] [stdout] 34 |           unknown_crate_types, warnings)]
[INFO] [stdout]    |                                -------- `forbid` level set here
[INFO] [stdout] ...
[INFO] [stdout] 38 |         unknown_lints, unsafe_code, unused, unused_allocation, unused_attributes,
[INFO] [stdout]    |                                     ^^^^^^ overruled by previous forbid
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #81670 <https://github.com/rust-lang/rust/issues/81670>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: deny(unused_comparisons) incompatible with previous forbid
[INFO] [stdout]   --> src/lib.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |           unknown_crate_types, warnings)]
[INFO] [stdout]    |                                -------- `forbid` level set here
[INFO] [stdout] ...
[INFO] [stdout] 39 |         unused_comparisons, unused_features, unused_parens, while_true)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #81670 <https://github.com/rust-lang/rust/issues/81670>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: deny(while_true) incompatible with previous forbid
[INFO] [stdout]   --> src/lib.rs:39:61
[INFO] [stdout]    |
[INFO] [stdout] 34 |           unknown_crate_types, warnings)]
[INFO] [stdout]    |                                -------- `forbid` level set here
[INFO] [stdout] ...
[INFO] [stdout] 39 |         unused_comparisons, unused_features, unused_parens, while_true)]
[INFO] [stdout]    |                                                             ^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #81670 <https://github.com/rust-lang/rust/issues/81670>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `accumulator` (lib) due to 4 previous errors; 10 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0145f26ef10e1b2aea184dcb69339368c9421abbf194b136279c3c1698b2cd48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0145f26ef10e1b2aea184dcb69339368c9421abbf194b136279c3c1698b2cd48", kill_on_drop: false }`
[INFO] [stdout] 0145f26ef10e1b2aea184dcb69339368c9421abbf194b136279c3c1698b2cd48
