[INFO] fetching crate json-fmt 0.2.1...
[INFO] checking json-fmt-0.2.1 against master#5ad98b4026d5172f27615b105658bc8bfd677be8 for pr-129422
[INFO] extracting crate json-fmt 0.2.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate json-fmt 0.2.1 on toolchain 5ad98b4026d5172f27615b105658bc8bfd677be8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate json-fmt 0.2.1
[INFO] finished tweaking crates.io crate json-fmt 0.2.1
[INFO] tweaked toml for crates.io crate json-fmt 0.2.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate json-fmt 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb4e602fc26815013788032b70c48e68c6fe0652858de115d47a85a191f3874e
[INFO] running `Command { std: "docker" "start" "-a" "eb4e602fc26815013788032b70c48e68c6fe0652858de115d47a85a191f3874e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb4e602fc26815013788032b70c48e68c6fe0652858de115d47a85a191f3874e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb4e602fc26815013788032b70c48e68c6fe0652858de115d47a85a191f3874e", kill_on_drop: false }`
[INFO] [stdout] eb4e602fc26815013788032b70c48e68c6fe0652858de115d47a85a191f3874e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 157d10d83337ca6c00447478a3608c12c08f81511ef0595c47e7df8c6b9dc73f
[INFO] running `Command { std: "docker" "start" "-a" "157d10d83337ca6c00447478a3608c12c08f81511ef0595c47e7df8c6b9dc73f", kill_on_drop: false }`
[INFO] [stderr]     Checking json-fmt v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "157d10d83337ca6c00447478a3608c12c08f81511ef0595c47e7df8c6b9dc73f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "157d10d83337ca6c00447478a3608c12c08f81511ef0595c47e7df8c6b9dc73f", kill_on_drop: false }`
[INFO] [stdout] 157d10d83337ca6c00447478a3608c12c08f81511ef0595c47e7df8c6b9dc73f