[INFO] fetching crate poseidon-merkle 0.3.0...
[INFO] checking poseidon-merkle-0.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate poseidon-merkle 0.3.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate poseidon-merkle 0.3.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate poseidon-merkle 0.3.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate poseidon-merkle 0.3.0
[INFO] tweaked toml for crates.io crate poseidon-merkle 0.3.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate poseidon-merkle 0.3.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ahash v0.7.6
[INFO] [stderr]   Downloaded rend v0.4.0
[INFO] [stderr]   Downloaded rkyv_derive v0.7.42
[INFO] [stderr]   Downloaded msgpacker-derive v0.3.1
[INFO] [stderr]   Downloaded msgpacker v0.4.3
[INFO] [stderr]   Downloaded bytecheck_derive v0.6.11
[INFO] [stderr]   Downloaded dusk-poseidon v0.31.0
[INFO] [stderr]   Downloaded dusk-bytes v0.1.6
[INFO] [stderr]   Downloaded derive-hex v0.1.2
[INFO] [stderr]   Downloaded dusk-hades v0.22.0
[INFO] [stderr]   Downloaded serde_derive v1.0.167
[INFO] [stderr]   Downloaded dusk-plonk v0.16.0
[INFO] [stderr]   Downloaded serde v1.0.167
[INFO] [stderr]   Downloaded regex v1.9.0
[INFO] [stderr]   Downloaded regex-automata v0.3.0
[INFO] [stderr]   Downloaded dusk-bls12_381 v0.11.3
[INFO] [stderr]   Downloaded dusk-bls12_381 v0.12.2
[INFO] [stderr]   Downloaded syn v2.0.23
[INFO] [stderr]   Downloaded serde_json v1.0.100
[INFO] [stderr]   Downloaded dusk-jubjub v0.13.1
[INFO] [stderr]   Downloaded dusk-merkle v0.5.0
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15f6cc6d71efbbfe2828c8c5c26eebc5b9992636109d0781cd97a61eb1f56a66
[INFO] running `Command { std: "docker" "start" "-a" "15f6cc6d71efbbfe2828c8c5c26eebc5b9992636109d0781cd97a61eb1f56a66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15f6cc6d71efbbfe2828c8c5c26eebc5b9992636109d0781cd97a61eb1f56a66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15f6cc6d71efbbfe2828c8c5c26eebc5b9992636109d0781cd97a61eb1f56a66", kill_on_drop: false }`
[INFO] [stdout] 15f6cc6d71efbbfe2828c8c5c26eebc5b9992636109d0781cd97a61eb1f56a66
[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=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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7cb9e610e80d9bfc6009124ead6dd56cdd3c6895a584befae6d989931e582ef3
[INFO] running `Command { std: "docker" "start" "-a" "7cb9e610e80d9bfc6009124ead6dd56cdd3c6895a584befae6d989931e582ef3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling serde v1.0.167
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking crossbeam-epoch v0.9.15
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]    Compiling serde_json v1.0.100
[INFO] [stderr]     Checking keccak v0.1.4
[INFO] [stderr]     Checking itoa v1.0.8
[INFO] [stderr]     Checking cpufeatures v0.2.9
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking ryu v1.0.14
[INFO] [stderr]     Checking ff v0.13.0
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]     Checking regex-syntax v0.7.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking pairing v0.23.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rayon-core v1.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]    Compiling syn v2.0.23
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking regex-automata v0.3.0
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.7
[INFO] [stderr]     Checking regex v1.9.0
[INFO] [stderr]     Checking csv v1.2.2
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling derive-hex v0.1.2
[INFO] [stderr]     Checking dusk-bytes v0.1.6
[INFO] [stderr]     Checking dusk-bls12_381 v0.12.2
[INFO] [stderr]     Checking dusk-merkle v0.5.0
[INFO] [stderr]     Checking dusk-jubjub v0.13.1
[INFO] [stderr]     Checking dusk-hades v0.22.0
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling msgpacker-derive v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.167
[INFO] [stderr]     Checking zeroize v1.6.0
[INFO] [stderr]     Checking merlin v3.0.0
[INFO] [stderr]     Checking msgpacker v0.4.3
[INFO] [stderr]     Checking dusk-plonk v0.16.0
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]     Checking dusk-poseidon v0.31.0
[INFO] [stderr]     Checking poseidon-merkle v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.92s
[INFO] running `Command { std: "docker" "inspect" "7cb9e610e80d9bfc6009124ead6dd56cdd3c6895a584befae6d989931e582ef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cb9e610e80d9bfc6009124ead6dd56cdd3c6895a584befae6d989931e582ef3", kill_on_drop: false }`
[INFO] [stdout] 7cb9e610e80d9bfc6009124ead6dd56cdd3c6895a584befae6d989931e582ef3
[INFO] checking poseidon-merkle-0.3.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate poseidon-merkle 0.3.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate poseidon-merkle 0.3.0 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate poseidon-merkle 0.3.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate poseidon-merkle 0.3.0
[INFO] tweaked toml for crates.io crate poseidon-merkle 0.3.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate poseidon-merkle 0.3.0 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8dff649a564a2e8d8dcea9868a34751c55173b2ef3e9a92ae335c22e015fa50
[INFO] running `Command { std: "docker" "start" "-a" "f8dff649a564a2e8d8dcea9868a34751c55173b2ef3e9a92ae335c22e015fa50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8dff649a564a2e8d8dcea9868a34751c55173b2ef3e9a92ae335c22e015fa50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8dff649a564a2e8d8dcea9868a34751c55173b2ef3e9a92ae335c22e015fa50", kill_on_drop: false }`
[INFO] [stdout] f8dff649a564a2e8d8dcea9868a34751c55173b2ef3e9a92ae335c22e015fa50
[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=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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 153513f7beabcd075ae58ec6afc90c1f03108604e64ac995acc52b2786627edd
[INFO] running `Command { std: "docker" "start" "-a" "153513f7beabcd075ae58ec6afc90c1f03108604e64ac995acc52b2786627edd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling serde v1.0.167
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking keccak v0.1.4
[INFO] [stderr]     Checking cpufeatures v0.2.9
[INFO] [stderr]     Checking crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling serde_json v1.0.100
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking itoa v1.0.8
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking ff v0.13.0
[INFO] [stderr]     Checking ryu v1.0.14
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking regex-syntax v0.7.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking rayon-core v1.11.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking pairing v0.23.0
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking regex-automata v0.3.0
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]    Compiling syn v2.0.23
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking regex v1.9.0
[INFO] [stderr]     Checking sha2 v0.10.7
[INFO] [stderr]    Compiling derive-hex v0.1.2
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.2.2
[INFO] [stderr]     Checking dusk-bytes v0.1.6
[INFO] [stderr]     Checking dusk-bls12_381 v0.12.2
[INFO] [stderr]     Checking dusk-merkle v0.5.0
[INFO] [stderr]     Checking dusk-jubjub v0.13.1
[INFO] [stderr]     Checking dusk-hades v0.22.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling msgpacker-derive v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.167
[INFO] [stderr]     Checking msgpacker v0.4.3
[INFO] [stderr]     Checking zeroize v1.6.0
[INFO] [stderr]     Checking merlin v3.0.0
[INFO] [stderr]     Checking dusk-plonk v0.16.0
[INFO] [stderr]     Checking dusk-poseidon v0.31.0
[INFO] [stderr]     Checking poseidon-merkle v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.26s
[INFO] running `Command { std: "docker" "inspect" "153513f7beabcd075ae58ec6afc90c1f03108604e64ac995acc52b2786627edd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "153513f7beabcd075ae58ec6afc90c1f03108604e64ac995acc52b2786627edd", kill_on_drop: false }`
[INFO] [stdout] 153513f7beabcd075ae58ec6afc90c1f03108604e64ac995acc52b2786627edd