[INFO] fetching crate genesis-core 0.0.0... [INFO] checking genesis-core-0.0.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate genesis-core 0.0.0 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate genesis-core 0.0.0 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 genesis-core 0.0.0 [INFO] finished tweaking crates.io crate genesis-core 0.0.0 [INFO] tweaked toml for crates.io crate genesis-core 0.0.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 30 packages [INFO] [stderr] Adding arrayvec v0.3.25 (latest: v0.7.4) [INFO] [stderr] Adding base58 v0.1.0 (latest: v0.2.0) [INFO] [stderr] Adding odds v0.2.26 (latest: v0.4.0) [INFO] [stderr] Adding rand v0.3.23 (latest: v0.8.5) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding secp256k1 v0.7.1 (latest: v0.29.0) [INFO] [stderr] Adding time v0.1.45 (latest: v0.3.34) [INFO] [stderr] Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [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] Downloading crates ... [INFO] [stderr] Downloaded odds v0.2.26 [INFO] [stderr] Downloaded base58 v0.1.0 [INFO] [stderr] Downloaded arrayvec v0.3.25 [INFO] [stderr] Downloaded secp256k1 v0.7.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] cbedda4937be2766daa8e3491070a89776d9c7bf8438704c0fcf0631f6809ff1 [INFO] running `Command { std: "docker" "start" "-a" "cbedda4937be2766daa8e3491070a89776d9c7bf8438704c0fcf0631f6809ff1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cbedda4937be2766daa8e3491070a89776d9c7bf8438704c0fcf0631f6809ff1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cbedda4937be2766daa8e3491070a89776d9c7bf8438704c0fcf0631f6809ff1", kill_on_drop: false }` [INFO] [stdout] cbedda4937be2766daa8e3491070a89776d9c7bf8438704c0fcf0631f6809ff1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 089e6a2f5293e3382ba6a1aa572999809cf0c66595e1dd6442f8a54d6f750a0a [INFO] running `Command { std: "docker" "start" "-a" "089e6a2f5293e3382ba6a1aa572999809cf0c66595e1dd6442f8a54d6f750a0a", kill_on_drop: false }` [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stderr] Checking odds v0.2.26 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking base58 v0.1.0 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking arrayvec v0.3.25 [INFO] [stderr] Compiling secp256k1 v0.7.1 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking genesis-core v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/base58check.rs:34:13 [INFO] [stdout] | [INFO] [stdout] 34 | let mut checksum = double_sha256(&payload); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/base58check.rs:34:13 [INFO] [stdout] | [INFO] [stdout] 34 | let mut checksum = double_sha256(&payload); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` 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 4.94s [INFO] running `Command { std: "docker" "inspect" "089e6a2f5293e3382ba6a1aa572999809cf0c66595e1dd6442f8a54d6f750a0a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "089e6a2f5293e3382ba6a1aa572999809cf0c66595e1dd6442f8a54d6f750a0a", kill_on_drop: false }` [INFO] [stdout] 089e6a2f5293e3382ba6a1aa572999809cf0c66595e1dd6442f8a54d6f750a0a [INFO] checking genesis-core-0.0.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate genesis-core 0.0.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate genesis-core 0.0.0 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 genesis-core 0.0.0 [INFO] finished tweaking crates.io crate genesis-core 0.0.0 [INFO] tweaked toml for crates.io crate genesis-core 0.0.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 85dcfa64b52014f74e8e8d6e042d24c79537ea8d53bfe72ce2dee48e64287413 [INFO] running `Command { std: "docker" "start" "-a" "85dcfa64b52014f74e8e8d6e042d24c79537ea8d53bfe72ce2dee48e64287413", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "85dcfa64b52014f74e8e8d6e042d24c79537ea8d53bfe72ce2dee48e64287413", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85dcfa64b52014f74e8e8d6e042d24c79537ea8d53bfe72ce2dee48e64287413", kill_on_drop: false }` [INFO] [stdout] 85dcfa64b52014f74e8e8d6e042d24c79537ea8d53bfe72ce2dee48e64287413 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 09a4eb71e54ee25f3b0f1f51b3127385de47489bbdd48ed357abb0fa28747404 [INFO] running `Command { std: "docker" "start" "-a" "09a4eb71e54ee25f3b0f1f51b3127385de47489bbdd48ed357abb0fa28747404", kill_on_drop: false }` [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stderr] Checking odds v0.2.26 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking base58 v0.1.0 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking arrayvec v0.3.25 [INFO] [stderr] Compiling secp256k1 v0.7.1 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking genesis-core v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/base58check.rs:34:13 [INFO] [stdout] | [INFO] [stdout] 34 | let mut checksum = double_sha256(&payload); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/base58check.rs:34:13 [INFO] [stdout] | [INFO] [stdout] 34 | let mut checksum = double_sha256(&payload); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` 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 5.04s [INFO] running `Command { std: "docker" "inspect" "09a4eb71e54ee25f3b0f1f51b3127385de47489bbdd48ed357abb0fa28747404", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09a4eb71e54ee25f3b0f1f51b3127385de47489bbdd48ed357abb0fa28747404", kill_on_drop: false }` [INFO] [stdout] 09a4eb71e54ee25f3b0f1f51b3127385de47489bbdd48ed357abb0fa28747404