[INFO] fetching crate stepper-interface 0.1.2...
[INFO] checking stepper-interface-0.1.2 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate stepper-interface 0.1.2 into /workspace/builds/worker-51/source
[INFO] validating manifest of crates.io crate stepper-interface 0.1.2 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stepper-interface 0.1.2
[INFO] finished tweaking crates.io crate stepper-interface 0.1.2
[INFO] tweaked toml for crates.io crate stepper-interface 0.1.2 written to /workspace/builds/worker-51/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53935b348f642f22c80150947af3c3688b3d6ceaee1d7d3888d9771dec4960f3
[INFO] running `Command { std: "docker" "start" "-a" "53935b348f642f22c80150947af3c3688b3d6ceaee1d7d3888d9771dec4960f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53935b348f642f22c80150947af3c3688b3d6ceaee1d7d3888d9771dec4960f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53935b348f642f22c80150947af3c3688b3d6ceaee1d7d3888d9771dec4960f3", kill_on_drop: false }`
[INFO] [stdout] 53935b348f642f22c80150947af3c3688b3d6ceaee1d7d3888d9771dec4960f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3833bb73fb0d56bf56b4a10f9137ef67a183b572d081cb728d226cf38dbfdf73
[INFO] running `Command { std: "docker" "start" "-a" "3833bb73fb0d56bf56b4a10f9137ef67a183b572d081cb728d226cf38dbfdf73", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]     Checking it-to-bytes v0.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]     Checking fluence-it-types v0.1.1
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling fluence-sdk-wit v0.2.18
[INFO] [stderr]    Compiling fluence-sdk-macro v0.2.18
[INFO] [stderr]     Checking fluence-sdk-main v0.2.18
[INFO] [stderr]     Checking fluence v0.2.18
[INFO] [stderr]     Checking stepper-interface v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.07s
[INFO] running `Command { std: "docker" "inspect" "3833bb73fb0d56bf56b4a10f9137ef67a183b572d081cb728d226cf38dbfdf73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3833bb73fb0d56bf56b4a10f9137ef67a183b572d081cb728d226cf38dbfdf73", kill_on_drop: false }`
[INFO] [stdout] 3833bb73fb0d56bf56b4a10f9137ef67a183b572d081cb728d226cf38dbfdf73