[INFO] fetching crate whisperer 0.0.7...
[INFO] checking whisperer-0.0.7 against master#9050733395f7c10560d49f549e022f411fa28cea for pr-146972
[INFO] extracting crate whisperer 0.0.7 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate whisperer 0.0.7
[INFO] finished tweaking crates.io crate whisperer 0.0.7
[INFO] tweaked toml for crates.io crate whisperer 0.0.7 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate whisperer 0.0.7 on toolchain 9050733395f7c10560d49f549e022f411fa28cea
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9050733395f7c10560d49f549e022f411fa28cea" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9050733395f7c10560d49f549e022f411fa28cea" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 34 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding toml v0.5.11 (available: v0.9.8)
[INFO] [stderr]       Adding zstd v0.9.2+zstd.1.5.1 (available: v0.13.3)
[INFO] [stderr]       Adding zstd-safe v4.1.3+zstd.1.5.1 (available: v4.1.6+zstd.1.5.2)
[INFO] [stderr]       Adding zstd-sys v1.6.2+zstd.1.5.1 (available: v1.6.3+zstd.1.5.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9050733395f7c10560d49f549e022f411fa28cea" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zstd v0.9.2+zstd.1.5.1
[INFO] [stderr]   Downloaded zstd-safe v4.1.3+zstd.1.5.1
[INFO] [stderr]   Downloaded zstd-sys v1.6.2+zstd.1.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+9050733395f7c10560d49f549e022f411fa28cea" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b6b49cae5642eed5713164e55a3ad9606e17d8430bc46f414c259d399adcdfe
[INFO] running `Command { std: "docker" "start" "-a" "1b6b49cae5642eed5713164e55a3ad9606e17d8430bc46f414c259d399adcdfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b6b49cae5642eed5713164e55a3ad9606e17d8430bc46f414c259d399adcdfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b6b49cae5642eed5713164e55a3ad9606e17d8430bc46f414c259d399adcdfe", kill_on_drop: false }`
[INFO] [stdout] 1b6b49cae5642eed5713164e55a3ad9606e17d8430bc46f414c259d399adcdfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+9050733395f7c10560d49f549e022f411fa28cea" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5958c056a2e76a8fe4d6f763cc741576d84e84acf813d613382c022167c14f8a
[INFO] running `Command { std: "docker" "start" "-a" "5958c056a2e76a8fe4d6f763cc741576d84e84acf813d613382c022167c14f8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling zstd-safe v4.1.3+zstd.1.5.1
[INFO] [stderr]    Compiling zstd-sys v1.6.2+zstd.1.5.1
[INFO] [stderr]    Compiling blake3 v1.8.2
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking zstd v0.9.2+zstd.1.5.1
[INFO] [stderr]     Checking whisperer v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.32s
[INFO] running `Command { std: "docker" "inspect" "5958c056a2e76a8fe4d6f763cc741576d84e84acf813d613382c022167c14f8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5958c056a2e76a8fe4d6f763cc741576d84e84acf813d613382c022167c14f8a", kill_on_drop: false }`
[INFO] [stdout] 5958c056a2e76a8fe4d6f763cc741576d84e84acf813d613382c022167c14f8a