[INFO] fetching crate neptune 3.0.0...
[INFO] checking neptune-3.0.0 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate neptune 3.0.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate neptune 3.0.0 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-8/source/rust-toolchain
[INFO] started tweaking crates.io crate neptune 3.0.0
[INFO] finished tweaking crates.io crate neptune 3.0.0
[INFO] tweaked toml for crates.io crate neptune 3.0.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30463ad33f0fbaa71cb5373f2da9425d638a057d34908ff46dfbe8746161ea80
[INFO] running `Command { std: "docker" "start" "-a" "30463ad33f0fbaa71cb5373f2da9425d638a057d34908ff46dfbe8746161ea80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30463ad33f0fbaa71cb5373f2da9425d638a057d34908ff46dfbe8746161ea80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30463ad33f0fbaa71cb5373f2da9425d638a057d34908ff46dfbe8746161ea80", kill_on_drop: false }`
[INFO] [stdout] 30463ad33f0fbaa71cb5373f2da9425d638a057d34908ff46dfbe8746161ea80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 166b4191979e00c2776ade2339271b2358d1f25604aef3429a2161c3d9f1521c
[INFO] running `Command { std: "docker" "start" "-a" "166b4191979e00c2776ade2339271b2358d1f25604aef3429a2161c3d9f1521c", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpufeatures v0.1.5
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling fff v0.3.1
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]     Checking blake2s_simd v0.5.11
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.10.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking hkdf v0.10.0
[INFO] [stderr]    Compiling fff_derive v0.3.0
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stderr]     Checking groupy v0.4.1
[INFO] [stderr]     Checking ff-cl-gen v0.3.0
[INFO] [stderr]     Checking paired v0.22.0
[INFO] [stderr]     Checking bellperson v0.14.2
[INFO] [stderr]     Checking neptune v3.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/poseidon.rs:418:87
[INFO] [stdout]     |
[INFO] [stdout] 418 |                     panic!("Trying to skip last full round, but there is a key here! ({})");
[INFO] [stdout]     |                                                                                       ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 418 |                     panic!("Trying to skip last full round, but there is a key here! ({})", ...);
[INFO] [stdout]     |                                                                                           ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 418 |                     panic!("{}", "Trying to skip last full round, but there is a key here! ({})");
[INFO] [stdout]     |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/poseidon.rs:418:87
[INFO] [stdout]     |
[INFO] [stdout] 418 |                     panic!("Trying to skip last full round, but there is a key here! ({})");
[INFO] [stdout]     |                                                                                       ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 418 |                     panic!("Trying to skip last full round, but there is a key here! ({})", ...);
[INFO] [stdout]     |                                                                                           ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 418 |                     panic!("{}", "Trying to skip last full round, but there is a key here! ({})");
[INFO] [stdout]     |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.16s
[INFO] running `Command { std: "docker" "inspect" "166b4191979e00c2776ade2339271b2358d1f25604aef3429a2161c3d9f1521c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "166b4191979e00c2776ade2339271b2358d1f25604aef3429a2161c3d9f1521c", kill_on_drop: false }`
[INFO] [stdout] 166b4191979e00c2776ade2339271b2358d1f25604aef3429a2161c3d9f1521c