[INFO] fetching crate fawkes-crypto-powersoftau 0.2.0...
[INFO] documenting fawkes-crypto-powersoftau-0.2.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate fawkes-crypto-powersoftau 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate fawkes-crypto-powersoftau 0.2.0 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 fawkes-crypto-powersoftau 0.2.0
[INFO] finished tweaking crates.io crate fawkes-crypto-powersoftau 0.2.0
[INFO] tweaked toml for crates.io crate fawkes-crypto-powersoftau 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate fawkes-crypto-powersoftau 0.2.0 already has a lockfile, it will not be regenerated
[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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memoffset v0.5.4
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.2
[INFO] [stderr]   Downloaded hex-literal v0.2.1
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.15
[INFO] [stderr]   Downloaded rustc-serialize v0.3.24
[INFO] [stderr]   Downloaded bit-vec v0.6.1
[INFO] [stderr]   Downloaded hermit-abi v0.1.11
[INFO] [stderr]   Downloaded libc v0.2.69
[INFO] [stderr]   Downloaded ff_ce v0.7.1
[INFO] [stderr]   Downloaded ff_derive_ce v0.5.1
[INFO] [stderr]   Downloaded hex-literal-impl v0.2.1
[INFO] [stderr]   Downloaded fawkes-crypto-bellman_ce v0.3.1
[INFO] [stderr]   Downloaded fawkes-crypto-pairing_ce v0.18.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 907808417cf024c1aa215d6b3ce5c7c1cecc432d384e54a65b2f96a2745b35bb
[INFO] running `Command { std: "docker" "start" "-a" "907808417cf024c1aa215d6b3ce5c7c1cecc432d384e54a65b2f96a2745b35bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "907808417cf024c1aa215d6b3ce5c7c1cecc432d384e54a65b2f96a2745b35bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "907808417cf024c1aa215d6b3ce5c7c1cecc432d384e54a65b2f96a2745b35bb", kill_on_drop: false }`
[INFO] [stdout] 907808417cf024c1aa215d6b3ce5c7c1cecc432d384e54a65b2f96a2745b35bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 221ecc0d7d1fb22121a69db2083c9595fc58e8106271c692f2356e8239bfaeb6
[INFO] running `Command { std: "docker" "start" "-a" "221ecc0d7d1fb22121a69db2083c9595fc58e8106271c692f2356e8239bfaeb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking bit-vec v0.6.1
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking exitcode v1.1.2
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling hex-literal-impl v0.2.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]    Compiling ff_derive_ce v0.5.1
[INFO] [stderr]     Checking ff_ce v0.7.1
[INFO] [stderr]     Checking fawkes-crypto-pairing_ce v0.18.0
[INFO] [stderr]     Checking fawkes-crypto-bellman_ce v0.3.1
[INFO] [stderr]     Checking fawkes-crypto-powersoftau v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting fawkes-crypto-powersoftau v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/batched_accumulator.rs:113:21
[INFO] [stdout]     |
[INFO] [stdout] 113 | /                     format!(
[INFO] [stdout] 114 | |                         "Index of TauG1 element written must not exceed {}, while it's {}",
[INFO] [stdout] 115 | |                         parameters.powers_g1_length, index
[INFO] [stdout] 116 | |                     )
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 113 ~                     
[INFO] [stdout] 114 |                         "Index of TauG1 element written must not exceed {}, while it's {}",
[INFO] [stdout] 115 |                         parameters.powers_g1_length, index
[INFO] [stdout] 116 ~                     
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/batched_accumulator.rs:126:21
[INFO] [stdout]     |
[INFO] [stdout] 126 | /                     format!(
[INFO] [stdout] 127 | |                         "Index of TauG2 element written must not exceed {}, while it's {}",
[INFO] [stdout] 128 | |                         required_power, index
[INFO] [stdout] 129 | |                     )
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 126 ~                     
[INFO] [stdout] 127 |                         "Index of TauG2 element written must not exceed {}, while it's {}",
[INFO] [stdout] 128 |                         required_power, index
[INFO] [stdout] 129 ~                     
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/batched_accumulator.rs:141:21
[INFO] [stdout]     |
[INFO] [stdout] 141 | /                     format!(
[INFO] [stdout] 142 | |                         "Index of AlphaG1 element written must not exceed {}, while it's {}",
[INFO] [stdout] 143 | |                         required_power, index
[INFO] [stdout] 144 | |                     )
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 141 ~                     
[INFO] [stdout] 142 |                         "Index of AlphaG1 element written must not exceed {}, while it's {}",
[INFO] [stdout] 143 |                         required_power, index
[INFO] [stdout] 144 ~                     
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/batched_accumulator.rs:157:21
[INFO] [stdout]     |
[INFO] [stdout] 157 | /                     format!(
[INFO] [stdout] 158 | |                         "Index of BetaG1 element written must not exceed {}, while it's {}",
[INFO] [stdout] 159 | |                         required_power, index
[INFO] [stdout] 160 | |                     )
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 157 ~                     
[INFO] [stdout] 158 |                         "Index of BetaG1 element written must not exceed {}, while it's {}",
[INFO] [stdout] 159 |                         required_power, index
[INFO] [stdout] 160 ~                     
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/batched_accumulator.rs:407:32
[INFO] [stdout]     |
[INFO] [stdout] 407 |                           panic!(format!(
[INFO] [stdout]     |  ________________________________^
[INFO] [stdout] 408 | |                             "must read a chunk from {} to {} from `challenge`",
[INFO] [stdout] 409 | |                             start, end
[INFO] [stdout] 410 | |                         ))
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 407 ~                         panic!(
[INFO] [stdout] 408 |                             "must read a chunk from {} to {} from `challenge`",
[INFO] [stdout] 409 |                             start, end
[INFO] [stdout] 410 ~                         )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/batched_accumulator.rs:421:32
[INFO] [stdout]     |
[INFO] [stdout] 421 |                           panic!(format!(
[INFO] [stdout]     |  ________________________________^
[INFO] [stdout] 422 | |                             "must read a chunk from {} to {} from `response`",
[INFO] [stdout] 423 | |                             start, end
[INFO] [stdout] 424 | |                         ))
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 421 ~                         panic!(
[INFO] [stdout] 422 |                             "must read a chunk from {} to {} from `response`",
[INFO] [stdout] 423 |                             start, end
[INFO] [stdout] 424 ~                         )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/batched_accumulator.rs:485:32
[INFO] [stdout]     |
[INFO] [stdout] 485 |                           panic!(format!(
[INFO] [stdout]     |  ________________________________^
[INFO] [stdout] 486 | |                             "must read a chunk from {} to {} from `challenge`",
[INFO] [stdout] 487 | |                             start, end
[INFO] [stdout] 488 | |                         ))
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 485 ~                         panic!(
[INFO] [stdout] 486 |                             "must read a chunk from {} to {} from `challenge`",
[INFO] [stdout] 487 |                             start, end
[INFO] [stdout] 488 ~                         )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/batched_accumulator.rs:499:32
[INFO] [stdout]     |
[INFO] [stdout] 499 |                           panic!(format!(
[INFO] [stdout]     |  ________________________________^
[INFO] [stdout] 500 | |                             "must read a chunk from {} to {} from `response`",
[INFO] [stdout] 501 | |                             start, end
[INFO] [stdout] 502 | |                         ))
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 499 ~                         panic!(
[INFO] [stdout] 500 |                             "must read a chunk from {} to {} from `response`",
[INFO] [stdout] 501 |                             start, end
[INFO] [stdout] 502 ~                         )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/batched_accumulator.rs:565:32
[INFO] [stdout]     |
[INFO] [stdout] 565 |                           panic!(format!(
[INFO] [stdout]     |  ________________________________^
[INFO] [stdout] 566 | |                             "must read a chunk from {} to {} from source of decompression",
[INFO] [stdout] 567 | |                             start, end
[INFO] [stdout] 568 | |                         ))
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 565 ~                         panic!(
[INFO] [stdout] 566 |                             "must read a chunk from {} to {} from source of decompression",
[INFO] [stdout] 567 |                             start, end
[INFO] [stdout] 568 ~                         )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/batched_accumulator.rs:590:32
[INFO] [stdout]     |
[INFO] [stdout] 590 |                           panic!(format!(
[INFO] [stdout]     |  ________________________________^
[INFO] [stdout] 591 | |                             "must read a chunk from {} to {} from source of decompression",
[INFO] [stdout] 592 | |                             start, end
[INFO] [stdout] 593 | |                         ))
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 590 ~                         panic!(
[INFO] [stdout] 591 |                             "must read a chunk from {} to {} from source of decompression",
[INFO] [stdout] 592 |                             start, end
[INFO] [stdout] 593 ~                         )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/batched_accumulator.rs:648:32
[INFO] [stdout]     |
[INFO] [stdout] 648 |                           panic!(format!(
[INFO] [stdout]     |  ________________________________^
[INFO] [stdout] 649 | |                             "must read a chunk from {} to {} from source of decompression",
[INFO] [stdout] 650 | |                             start, end
[INFO] [stdout] 651 | |                         ))
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 648 ~                         panic!(
[INFO] [stdout] 649 |                             "must read a chunk from {} to {} from source of decompression",
[INFO] [stdout] 650 |                             start, end
[INFO] [stdout] 651 ~                         )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/batched_accumulator.rs:679:32
[INFO] [stdout]     |
[INFO] [stdout] 679 |                           panic!(format!(
[INFO] [stdout]     |  ________________________________^
[INFO] [stdout] 680 | |                             "must read a chunk from {} to {} from source of decompression",
[INFO] [stdout] 681 | |                             start, end
[INFO] [stdout] 682 | |                         ))
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 679 ~                         panic!(
[INFO] [stdout] 680 |                             "must read a chunk from {} to {} from source of decompression",
[INFO] [stdout] 681 |                             start, end
[INFO] [stdout] 682 ~                         )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.50s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24, syn v0.14.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/fawkes_crypto_powersoftau/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/beacon_constrained/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/compute_constrained/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/new_constrained/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/prepare_phase2/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/reduce_powers/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/verify_transform_constrained/index.html
[INFO] running `Command { std: "docker" "inspect" "221ecc0d7d1fb22121a69db2083c9595fc58e8106271c692f2356e8239bfaeb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "221ecc0d7d1fb22121a69db2083c9595fc58e8106271c692f2356e8239bfaeb6", kill_on_drop: false }`
[INFO] [stdout] 221ecc0d7d1fb22121a69db2083c9595fc58e8106271c692f2356e8239bfaeb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b06f6ce20b79299f4cd6a2678c5e870b214f57910ae30709d2128192acc1eac
[INFO] running `Command { std: "docker" "start" "-a" "8b06f6ce20b79299f4cd6a2678c5e870b214f57910ae30709d2128192acc1eac", kill_on_drop: false }`
[INFO] [stderr]  Documenting fawkes-crypto-powersoftau v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24, syn v0.14.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/fawkes_crypto_powersoftau/index.html
[INFO] running `Command { std: "docker" "inspect" "8b06f6ce20b79299f4cd6a2678c5e870b214f57910ae30709d2128192acc1eac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b06f6ce20b79299f4cd6a2678c5e870b214f57910ae30709d2128192acc1eac", kill_on_drop: false }`
[INFO] [stdout] 8b06f6ce20b79299f4cd6a2678c5e870b214f57910ae30709d2128192acc1eac
[INFO] documenting fawkes-crypto-powersoftau-0.2.0 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate fawkes-crypto-powersoftau 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate fawkes-crypto-powersoftau 0.2.0 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fawkes-crypto-powersoftau 0.2.0
[INFO] finished tweaking crates.io crate fawkes-crypto-powersoftau 0.2.0
[INFO] tweaked toml for crates.io crate fawkes-crypto-powersoftau 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate fawkes-crypto-powersoftau 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99672ae68bf2cefc83d8407f5295ea4f2a811ac9f3ebfb64f4c26fc2569b10ad
[INFO] running `Command { std: "docker" "start" "-a" "99672ae68bf2cefc83d8407f5295ea4f2a811ac9f3ebfb64f4c26fc2569b10ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99672ae68bf2cefc83d8407f5295ea4f2a811ac9f3ebfb64f4c26fc2569b10ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99672ae68bf2cefc83d8407f5295ea4f2a811ac9f3ebfb64f4c26fc2569b10ad", kill_on_drop: false }`
[INFO] [stdout] 99672ae68bf2cefc83d8407f5295ea4f2a811ac9f3ebfb64f4c26fc2569b10ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+beta-2023-12-22" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea22a69b0422a67b6abb14b7be4e971cf36b6cda470fc17bbbcf066526b08922
[INFO] running `Command { std: "docker" "start" "-a" "ea22a69b0422a67b6abb14b7be4e971cf36b6cda470fc17bbbcf066526b08922", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking bit-vec v0.6.1
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking exitcode v1.1.2
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stdout] error[E0310]: the parameter type `T` may not live long enough
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.3.24/src/serialize.rs:1155:5
[INFO] [stdout]      |
[INFO] [stdout] 1155 |     fn decode<D: Decoder>(d: &mut D) -> Result<Cow<'static, T>, D::Error> {
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |     |
[INFO] [stdout]      |     the parameter type `T` must be valid for the static lifetime...
[INFO] [stdout]      |     ...so that the type `T` will meet its required lifetime bounds...
[INFO] [stdout]      |
[INFO] [stdout] note: ...that is required by this bound
[INFO] [stdout]     --> /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/borrow.rs:180:30
[INFO] [stdout] help: consider adding an explicit lifetime bound
[INFO] [stdout]      |
[INFO] [stdout] 1151 | impl<'a, T: ?Sized + 'static> Decodable for Cow<'a, T>
[INFO] [stdout]      |                    +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling hex-literal-impl v0.2.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0310`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ea22a69b0422a67b6abb14b7be4e971cf36b6cda470fc17bbbcf066526b08922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea22a69b0422a67b6abb14b7be4e971cf36b6cda470fc17bbbcf066526b08922", kill_on_drop: false }`
[INFO] [stdout] ea22a69b0422a67b6abb14b7be4e971cf36b6cda470fc17bbbcf066526b08922
