[INFO] fetching crate f256 0.2.0...
[INFO] checking f256-0.2.0 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate f256 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate f256 0.2.0 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate f256 0.2.0
[INFO] finished tweaking crates.io crate f256 0.2.0
[INFO] tweaked toml for crates.io crate f256 0.2.0 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" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded f256_pow2_div_pow10_lut v0.2.0
[INFO] [stderr]   Downloaded f256_pow2_div_pow5_lut v0.1.1
[INFO] [stderr]   Downloaded f256_pow10_div_pow2_lut v0.1.1
[INFO] [stderr]   Downloaded f256_pow5_div_pow2_lut v0.1.1
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78c0bc3bac189462df62a7aec7c8e38c0d10691fee6803097fce8c62e42a9060
[INFO] running `Command { std: "docker" "start" "-a" "78c0bc3bac189462df62a7aec7c8e38c0d10691fee6803097fce8c62e42a9060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78c0bc3bac189462df62a7aec7c8e38c0d10691fee6803097fce8c62e42a9060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78c0bc3bac189462df62a7aec7c8e38c0d10691fee6803097fce8c62e42a9060", kill_on_drop: false }`
[INFO] [stdout] 78c0bc3bac189462df62a7aec7c8e38c0d10691fee6803097fce8c62e42a9060
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df5abcabd04064fb94f5b29100406373664b37b089a97d9ff4eca6ceb9a84b03
[INFO] running `Command { std: "docker" "start" "-a" "df5abcabd04064fb94f5b29100406373664b37b089a97d9ff4eca6ceb9a84b03", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.84
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking f256_pow2_div_pow5_lut v0.1.1
[INFO] [stderr]     Checking f256_pow10_div_pow2_lut v0.1.1
[INFO] [stderr]     Checking f256_pow2_div_pow10_lut v0.2.0
[INFO] [stderr]     Checking f256_pow5_div_pow2_lut v0.1.1
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]     Checking f256 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]     Checking serde v1.0.203
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.94s
[INFO] running `Command { std: "docker" "inspect" "df5abcabd04064fb94f5b29100406373664b37b089a97d9ff4eca6ceb9a84b03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df5abcabd04064fb94f5b29100406373664b37b089a97d9ff4eca6ceb9a84b03", kill_on_drop: false }`
[INFO] [stdout] df5abcabd04064fb94f5b29100406373664b37b089a97d9ff4eca6ceb9a84b03