[INFO] fetching crate ezflags 0.1.3...
[INFO] checking ezflags-0.1.3 against master#bbe853615821442ef11d6cd42a30a73432b38d89 for pr-154205
[INFO] extracting crate ezflags 0.1.3 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate ezflags 0.1.3
[INFO] finished tweaking crates.io crate ezflags 0.1.3
[INFO] tweaked toml for crates.io crate ezflags 0.1.3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ezflags 0.1.3 on toolchain bbe853615821442ef11d6cd42a30a73432b38d89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ezflags 0.1.3 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" "+bbe853615821442ef11d6cd42a30a73432b38d89" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80056ec15b151cf475e73d4992470260d5f8dc960b181f946c0e4448770bdef1
[INFO] running `Command { std: "docker" "start" "-a" "80056ec15b151cf475e73d4992470260d5f8dc960b181f946c0e4448770bdef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80056ec15b151cf475e73d4992470260d5f8dc960b181f946c0e4448770bdef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80056ec15b151cf475e73d4992470260d5f8dc960b181f946c0e4448770bdef1", kill_on_drop: false }`
[INFO] [stdout] 80056ec15b151cf475e73d4992470260d5f8dc960b181f946c0e4448770bdef1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dd9e1ef98eede640bfa2f189b13f945b79f691b29a98c7131df7b014b18eeca
[INFO] running `Command { std: "docker" "start" "-a" "6dd9e1ef98eede640bfa2f189b13f945b79f691b29a98c7131df7b014b18eeca", kill_on_drop: false }`
[INFO] [stderr]     Checking ezflags v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "6dd9e1ef98eede640bfa2f189b13f945b79f691b29a98c7131df7b014b18eeca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dd9e1ef98eede640bfa2f189b13f945b79f691b29a98c7131df7b014b18eeca", kill_on_drop: false }`
[INFO] [stdout] 6dd9e1ef98eede640bfa2f189b13f945b79f691b29a98c7131df7b014b18eeca