[INFO] fetching crate ckb-fee-estimator 0.39.1...
[INFO] checking ckb-fee-estimator-0.39.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate ckb-fee-estimator 0.39.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate ckb-fee-estimator 0.39.1 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 ckb-fee-estimator 0.39.1
[INFO] finished tweaking crates.io crate ckb-fee-estimator 0.39.1
[INFO] tweaked toml for crates.io crate ckb-fee-estimator 0.39.1 written to /workspace/builds/worker-7-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 55 packages
[INFO] [stderr]       Adding bit-vec v0.5.1 (latest: v0.6.3)
[INFO] [stderr]       Adding blake2b-ref v0.2.1 (latest: v0.3.1)
[INFO] [stderr]       Adding blake2b-rs v0.1.5 (latest: v0.2.0)
[INFO] [stderr]       Adding bytes v0.5.6 (latest: v1.6.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding ckb-channel v0.39.1 (latest: v0.115.0)
[INFO] [stderr]       Adding ckb-error v0.39.1 (latest: v0.115.0)
[INFO] [stderr]       Adding ckb-fixed-hash v0.39.1 (latest: v0.115.0)
[INFO] [stderr]       Adding ckb-fixed-hash-core v0.39.1 (latest: v0.115.0)
[INFO] [stderr]       Adding ckb-fixed-hash-macros v0.39.1 (latest: v0.115.0)
[INFO] [stderr]       Adding ckb-hash v0.39.1 (latest: v0.115.0)
[INFO] [stderr]       Adding ckb-logger v0.39.1 (latest: v0.115.0)
[INFO] [stderr]       Adding ckb-occupied-capacity v0.39.1 (latest: v0.115.0)
[INFO] [stderr]       Adding ckb-occupied-capacity-core v0.39.1 (latest: v0.115.0)
[INFO] [stderr]       Adding ckb-occupied-capacity-macros v0.39.1 (latest: v0.115.0)
[INFO] [stderr]       Adding ckb-rational v0.39.1 (latest: v0.115.0)
[INFO] [stderr]       Adding ckb-types v0.39.1 (latest: v0.115.0)
[INFO] [stderr]       Adding crossbeam-channel v0.3.9 (latest: v0.5.12)
[INFO] [stderr]       Adding crossbeam-utils v0.6.6 (latest: v0.8.19)
[INFO] [stderr]       Adding faster-hex v0.4.1 (latest: v0.9.0)
[INFO] [stderr]       Adding getrandom v0.1.16 (latest: v0.2.12)
[INFO] [stderr]       Adding molecule v0.6.0 (latest: v0.8.0)
[INFO] [stderr]       Adding rand v0.7.3 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.2.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.5.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.2.0 (latest: v0.3.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding wasi v0.9.0+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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded molecule v0.6.0
[INFO] [stderr]   Downloaded faster-hex v0.4.1
[INFO] [stderr]   Downloaded numext-fixed-uint-hack v0.1.6
[INFO] [stderr]   Downloaded heapsize v0.4.2
[INFO] [stderr]   Downloaded numext-fixed-uint-core v0.1.6
[INFO] [stderr]   Downloaded numext-fixed-uint v0.1.6
[INFO] [stderr]   Downloaded ckb-types v0.39.1
[INFO] [stderr]   Downloaded numext-constructor v0.1.6
[INFO] [stderr]   Downloaded ckb-logger v0.39.1
[INFO] [stderr]   Downloaded ckb-error v0.39.1
[INFO] [stderr]   Downloaded ckb-occupied-capacity-macros v0.39.1
[INFO] [stderr]   Downloaded bit-vec v0.5.1
[INFO] [stderr]   Downloaded crossbeam-utils v0.6.6
[INFO] [stderr]   Downloaded crossbeam-channel v0.3.9
[INFO] [stderr]   Downloaded ckb-channel v0.39.1
[INFO] [stderr]   Downloaded ckb-fixed-hash-core v0.39.1
[INFO] [stderr]   Downloaded ckb-fixed-hash-macros v0.39.1
[INFO] [stderr]   Downloaded ckb-fixed-hash v0.39.1
[INFO] [stderr]   Downloaded blake2b-ref v0.2.1
[INFO] [stderr]   Downloaded blake2b-rs v0.1.5
[INFO] [stderr]   Downloaded ckb-hash v0.39.1
[INFO] [stderr]   Downloaded ckb-occupied-capacity-core v0.39.1
[INFO] [stderr]   Downloaded ckb-occupied-capacity v0.39.1
[INFO] [stderr]   Downloaded ckb-rational v0.39.1
[INFO] [stderr]   Downloaded merkle-cbt v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 907556ab7a5dc19ebc1342054b922f1e23e832a9912c8ae68ce220d862ada4b7
[INFO] running `Command { std: "docker" "start" "-a" "907556ab7a5dc19ebc1342054b922f1e23e832a9912c8ae68ce220d862ada4b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "907556ab7a5dc19ebc1342054b922f1e23e832a9912c8ae68ce220d862ada4b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "907556ab7a5dc19ebc1342054b922f1e23e832a9912c8ae68ce220d862ada4b7", kill_on_drop: false }`
[INFO] [stdout] 907556ab7a5dc19ebc1342054b922f1e23e832a9912c8ae68ce220d862ada4b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 47c78ef09756e168c9c89aec66453c50a885720716a971fa1436c6f80dfe9c88
[INFO] running `Command { std: "docker" "start" "-a" "47c78ef09756e168c9c89aec66453c50a885720716a971fa1436c6f80dfe9c88", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling faster-hex v0.4.1
[INFO] [stderr]    Compiling blake2b-rs v0.1.5
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]     Checking merkle-cbt v0.3.2
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]    Compiling numext-constructor v0.1.6
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking ckb-logger v0.39.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking ckb-channel v0.39.1
[INFO] [stderr]     Checking ckb-hash v0.39.1
[INFO] [stderr]     Checking ckb-occupied-capacity-core v0.39.1
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking ckb-fixed-hash-core v0.39.1
[INFO] [stderr]     Checking molecule v0.6.0
[INFO] [stderr]    Compiling ckb-occupied-capacity-macros v0.39.1
[INFO] [stderr]    Compiling ckb-fixed-hash-macros v0.39.1
[INFO] [stderr]     Checking ckb-occupied-capacity v0.39.1
[INFO] [stderr]     Checking ckb-error v0.39.1
[INFO] [stderr]     Checking ckb-fixed-hash v0.39.1
[INFO] [stderr]    Compiling numext-fixed-uint-core v0.1.6
[INFO] [stderr]    Compiling numext-fixed-uint-hack v0.1.6
[INFO] [stderr]     Checking numext-fixed-uint v0.1.6
[INFO] [stderr]     Checking ckb-rational v0.39.1
[INFO] [stderr]     Checking ckb-types v0.39.1
[INFO] [stderr]     Checking ckb-fee-estimator v0.39.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.40s
[INFO] running `Command { std: "docker" "inspect" "47c78ef09756e168c9c89aec66453c50a885720716a971fa1436c6f80dfe9c88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47c78ef09756e168c9c89aec66453c50a885720716a971fa1436c6f80dfe9c88", kill_on_drop: false }`
[INFO] [stdout] 47c78ef09756e168c9c89aec66453c50a885720716a971fa1436c6f80dfe9c88