[INFO] fetching crate op-config 0.1.0...
[INFO] checking op-config-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate op-config 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate op-config 0.1.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate op-config 0.1.0
[INFO] finished tweaking crates.io crate op-config 0.1.0
[INFO] tweaked toml for crates.io crate op-config 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 205 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding crossterm v0.25.0 (latest: v0.27.0)
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[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding inquire v0.6.2 (latest: v0.7.4)
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[INFO] [stderr]       Adding radium v0.7.0 (latest: v1.1.0)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding strum v0.25.0 (latest: v0.26.2)
[INFO] [stderr]       Adding strum_macros v0.25.3 (latest: v0.26.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
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[INFO] [stderr]       Adding toml_edit v0.20.7 (latest: v0.22.9)
[INFO] [stderr]       Adding toml_edit v0.21.1 (latest: v0.22.9)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
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[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
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[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding winnow v0.5.40 (latest: v0.6.5)
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded open-fastrlp-derive v0.1.1
[INFO] [stderr]   Downloaded temp_testdir v0.2.3
[INFO] [stderr]   Downloaded open-fastrlp v0.1.4
[INFO] [stderr]   Downloaded const-hex v1.11.3
[INFO] [stderr]   Downloaded op-primitives v0.1.0
[INFO] [stderr]   Downloaded pear_codegen v0.2.9
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2c7dc3065fb9fd302a1c0049d5437fb321c52fbc37d3767664bbacd6892bbcc
[INFO] running `Command { std: "docker" "start" "-a" "a2c7dc3065fb9fd302a1c0049d5437fb321c52fbc37d3767664bbacd6892bbcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2c7dc3065fb9fd302a1c0049d5437fb321c52fbc37d3767664bbacd6892bbcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2c7dc3065fb9fd302a1c0049d5437fb321c52fbc37d3767664bbacd6892bbcc", kill_on_drop: false }`
[INFO] [stdout] a2c7dc3065fb9fd302a1c0049d5437fb321c52fbc37d3767664bbacd6892bbcc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40ae0e2bb272d5516c6872f176f732e0e757ca9fa1feac4bf5246c3d1de70c89
[INFO] running `Command { std: "docker" "start" "-a" "40ae0e2bb272d5516c6872f176f732e0e757ca9fa1feac4bf5246c3d1de70c89", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking subtle v2.5.0
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[INFO] [stderr]    Compiling tiny-keccak v2.0.2
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[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking der v0.7.9
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[INFO] [stderr]    Compiling num-traits v0.2.18
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[INFO] [stderr]     Checking op-primitives v0.1.0
[INFO] [stderr]     Checking op-config v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `wrap` and `strict_select` are never used
[INFO] [stdout]    --> src/stack.rs:529:8
[INFO] [stdout]     |
[INFO] [stdout] 520 | trait ProviderExt: Provider {
[INFO] [stdout]     |       ----------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 529 |     fn wrap(
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 537 |     fn strict_select(
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `wrap` and `strict_select` are never used
[INFO] [stdout]    --> src/stack.rs:529:8
[INFO] [stdout]     |
[INFO] [stdout] 520 | trait ProviderExt: Provider {
[INFO] [stdout]     |       ----------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 529 |     fn wrap(
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 537 |     fn strict_select(
[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 13.50s
[INFO] running `Command { std: "docker" "inspect" "40ae0e2bb272d5516c6872f176f732e0e757ca9fa1feac4bf5246c3d1de70c89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40ae0e2bb272d5516c6872f176f732e0e757ca9fa1feac4bf5246c3d1de70c89", kill_on_drop: false }`
[INFO] [stdout] 40ae0e2bb272d5516c6872f176f732e0e757ca9fa1feac4bf5246c3d1de70c89