[INFO] fetching crate chf 0.3.1...
[INFO] checking chf-0.3.1 against try#51000a35bc99aeffdc092bf2226ab562eedb9eff for pr-135899
[INFO] extracting crate chf 0.3.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate chf 0.3.1 on toolchain 51000a35bc99aeffdc092bf2226ab562eedb9eff
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+51000a35bc99aeffdc092bf2226ab562eedb9eff" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chf 0.3.1
[INFO] finished tweaking crates.io crate chf 0.3.1
[INFO] tweaked toml for crates.io crate chf 0.3.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+51000a35bc99aeffdc092bf2226ab562eedb9eff" "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 16 packages to latest compatible versions
[INFO] [stderr]       Adding bitcoin-io v0.1.3 (available: v0.2.0)
[INFO] [stderr]       Adding hex-conservative v0.2.1 (available: v0.3.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+51000a35bc99aeffdc092bf2226ab562eedb9eff" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:6475c868a6d27846ca172efb246699580b64b57a5b3744ef73949e850a31b38a" "/opt/rustwide/cargo-home/bin/cargo" "+51000a35bc99aeffdc092bf2226ab562eedb9eff" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1c9c5d89fe8d160ea39c189738f48218f9a1cc135701a10a37e999304902655
[INFO] running `Command { std: "docker" "start" "-a" "d1c9c5d89fe8d160ea39c189738f48218f9a1cc135701a10a37e999304902655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1c9c5d89fe8d160ea39c189738f48218f9a1cc135701a10a37e999304902655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1c9c5d89fe8d160ea39c189738f48218f9a1cc135701a10a37e999304902655", kill_on_drop: false }`
[INFO] [stdout] d1c9c5d89fe8d160ea39c189738f48218f9a1cc135701a10a37e999304902655
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:6475c868a6d27846ca172efb246699580b64b57a5b3744ef73949e850a31b38a" "/opt/rustwide/cargo-home/bin/cargo" "+51000a35bc99aeffdc092bf2226ab562eedb9eff" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00e874747fbf1e583a2bb74cf9562e33ede71baab0570dec96cfd1cc1ee6ed55
[INFO] running `Command { std: "docker" "start" "-a" "00e874747fbf1e583a2bb74cf9562e33ede71baab0570dec96cfd1cc1ee6ed55", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling bitcoin-io v0.1.3
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking hex-conservative v0.2.1
[INFO] [stderr]     Checking chf v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_test v1.0.177
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.48s
[INFO] running `Command { std: "docker" "inspect" "00e874747fbf1e583a2bb74cf9562e33ede71baab0570dec96cfd1cc1ee6ed55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00e874747fbf1e583a2bb74cf9562e33ede71baab0570dec96cfd1cc1ee6ed55", kill_on_drop: false }`
[INFO] [stdout] 00e874747fbf1e583a2bb74cf9562e33ede71baab0570dec96cfd1cc1ee6ed55