[INFO] fetching crate dyn-lock 0.1.0...
[INFO] checking dyn-lock-0.1.0 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate dyn-lock 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate dyn-lock 0.1.0 on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate dyn-lock 0.1.0
[INFO] finished tweaking crates.io crate dyn-lock 0.1.0
[INFO] tweaked toml for crates.io crate dyn-lock 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 51 packages to latest compatible versions
[INFO] [stderr]       Adding ckb-std v0.7.4 (available: v0.16.4)
[INFO] [stderr]       Adding faster-hex v0.4.1 (available: v0.10.0)
[INFO] [stderr]       Adding phf v0.8.0 (available: v0.11.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded phf_shared v0.8.0
[INFO] [stderr]   Downloaded includedir v0.6.0
[INFO] [stderr]   Downloaded faster-hex v0.4.1
[INFO] [stderr]   Downloaded phf_generator v0.8.0
[INFO] [stderr]   Downloaded phf_codegen v0.8.0
[INFO] [stderr]   Downloaded rand_pcg v0.2.1
[INFO] [stderr]   Downloaded ckb-standalone-types v0.0.1-pre.1
[INFO] [stderr]   Downloaded includedir_codegen v0.6.0
[INFO] [stderr]   Downloaded phf v0.8.0
[INFO] [stderr]   Downloaded blake2b-rs v0.2.0
[INFO] [stderr]   Downloaded molecule v0.6.1
[INFO] [stderr]   Downloaded ckb-std v0.7.4
[INFO] [stderr]   Downloaded buddy-alloc v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6055b894638152f62b1a5fb7e3e3c6b2e41d232af7679f888bc11ba022b9459
[INFO] running `Command { std: "docker" "start" "-a" "c6055b894638152f62b1a5fb7e3e3c6b2e41d232af7679f888bc11ba022b9459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6055b894638152f62b1a5fb7e3e3c6b2e41d232af7679f888bc11ba022b9459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6055b894638152f62b1a5fb7e3e3c6b2e41d232af7679f888bc11ba022b9459", kill_on_drop: false }`
[INFO] [stdout] c6055b894638152f62b1a5fb7e3e3c6b2e41d232af7679f888bc11ba022b9459
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8cd5414f4ae718066ba5a323e90ccd3ad6f8332b886191f9ca85ab48f878dfa
[INFO] running `Command { std: "docker" "start" "-a" "b8cd5414f4ae718066ba5a323e90ccd3ad6f8332b886191f9ca85ab48f878dfa", kill_on_drop: false }`
[INFO] [stderr]     Checking molecule v0.6.1
[INFO] [stderr]    Compiling ckb-std v0.7.4
[INFO] [stderr]     Checking buddy-alloc v0.4.2
[INFO] [stderr]    Compiling dyn-lock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ckb-standalone-types v0.0.1-pre.1
[INFO] [stdout] error[E0635]: unknown feature `llvm_asm`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ckb-std-0.7.4/src/lib.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![feature(llvm_asm)]
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ckb-std` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "b8cd5414f4ae718066ba5a323e90ccd3ad6f8332b886191f9ca85ab48f878dfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8cd5414f4ae718066ba5a323e90ccd3ad6f8332b886191f9ca85ab48f878dfa", kill_on_drop: false }`
[INFO] [stdout] b8cd5414f4ae718066ba5a323e90ccd3ad6f8332b886191f9ca85ab48f878dfa
