[INFO] fetching crate rustgenhash 0.8.4...
[INFO] checking rustgenhash-0.8.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate rustgenhash 0.8.4 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate rustgenhash 0.8.4 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 rustgenhash 0.8.4
[INFO] finished tweaking crates.io crate rustgenhash 0.8.4
[INFO] tweaked toml for crates.io crate rustgenhash 0.8.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate rustgenhash 0.8.4 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 uuid v1.6.1
[INFO] [stderr]   Downloaded skein v0.1.0
[INFO] [stderr]   Downloaded sm3 v0.4.2
[INFO] [stderr]   Downloaded shabal v0.4.1
[INFO] [stderr]   Downloaded threefish v0.5.2
[INFO] [stderr]   Downloaded ascon v0.3.1
[INFO] [stderr]   Downloaded bcrypt-pbkdf v0.9.0
[INFO] [stderr]   Downloaded gost94 v0.10.4
[INFO] [stderr]   Downloaded balloon-hash v0.3.0
[INFO] [stderr]   Downloaded argon2 v0.4.1
[INFO] [stderr]   Downloaded ascon-hash v0.2.0
[INFO] [stderr]   Downloaded groestl v0.10.1
[INFO] [stderr]   Downloaded fsb v0.1.3
[INFO] [stderr]   Downloaded blowfish v0.9.1
[INFO] [stderr]   Downloaded jh v0.1.0
[INFO] [stderr]   Downloaded md2 v0.10.2
[INFO] [stderr]   Downloaded rand_hc v0.3.2
[INFO] [stderr]   Downloaded rand_jitter v0.3.0
[INFO] [stderr]   Downloaded belt-block v0.1.2
[INFO] [stderr]   Downloaded belt-hash v0.1.1
[INFO] [stderr]   Downloaded md4 v0.10.2
[INFO] [stderr]   Downloaded rand_isaac v0.3.0
[INFO] [stderr]   Downloaded sha-crypt v0.4.0
[INFO] [stderr]   Downloaded streebog v0.10.2
[INFO] [stderr]   Downloaded tiger v0.2.1
[INFO] [stderr]   Downloaded whirlpool v0.10.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d403677449e3adbb0e6491d3d3d3bdd8db4f84343e4b1c5412039b6e9149eaa4
[INFO] running `Command { std: "docker" "start" "-a" "d403677449e3adbb0e6491d3d3d3bdd8db4f84343e4b1c5412039b6e9149eaa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d403677449e3adbb0e6491d3d3d3bdd8db4f84343e4b1c5412039b6e9149eaa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d403677449e3adbb0e6491d3d3d3bdd8db4f84343e4b1c5412039b6e9149eaa4", kill_on_drop: false }`
[INFO] [stdout] d403677449e3adbb0e6491d3d3d3bdd8db4f84343e4b1c5412039b6e9149eaa4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6af8ba9e782a0f93f3c75b7593a7cf2fb7c4cf69b861de140ff6a9ff39e3e422
[INFO] running `Command { std: "docker" "start" "-a" "6af8ba9e782a0f93f3c75b7593a7cf2fb7c4cf69b861de140ff6a9ff39e3e422", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]     Checking bytes v1.5.0
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[INFO] [stderr]     Checking rand_core v0.6.4
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[INFO] [stderr]    Compiling serde v1.0.193
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[INFO] [stderr]     Checking password-hash v0.4.2
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[INFO] [stderr]    Compiling rustix v0.38.25
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[INFO] [stderr]     Checking byteorder v1.5.0
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[INFO] [stderr]     Checking crypto-common v0.1.6
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[INFO] [stderr]     Checking digest v0.10.7
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[INFO] [stderr]     Checking salsa20 v0.10.2
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[INFO] [stderr]     Checking uuid v1.6.1
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[INFO] [stderr]    Compiling openssl-sys v0.9.96
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[INFO] [stderr]     Checking sha-1 v0.10.1
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[INFO] [stderr]     Checking groestl v0.10.1
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[INFO] [stderr]     Checking streebog v0.10.2
[INFO] [stderr]     Checking tiger v0.2.1
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[INFO] [stderr]     Checking rand_isaac v0.3.0
[INFO] [stderr]     Checking rand_hc v0.3.2
[INFO] [stderr]     Checking rand_pcg v0.3.1
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[INFO] [stderr]    Compiling hex-literal v0.3.4
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking tempfile v3.8.1
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]    Compiling openssl-macros v0.1.1
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[INFO] [stderr]     Checking rustgenhash v0.8.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Rng` is never used
[INFO] [stdout]   --> src/random.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait Rng {
[INFO] [stdout]    |           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Rng` is never used
[INFO] [stdout]   --> src/random.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait Rng {
[INFO] [stdout]    |           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.43s
[INFO] running `Command { std: "docker" "inspect" "6af8ba9e782a0f93f3c75b7593a7cf2fb7c4cf69b861de140ff6a9ff39e3e422", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6af8ba9e782a0f93f3c75b7593a7cf2fb7c4cf69b861de140ff6a9ff39e3e422", kill_on_drop: false }`
[INFO] [stdout] 6af8ba9e782a0f93f3c75b7593a7cf2fb7c4cf69b861de140ff6a9ff39e3e422