[INFO] fetching crate seymour-protocol 0.1.4...
[INFO] checking seymour-protocol-0.1.4 against master#4bd30785eb6e55f317b41b7c278f438807eeb174 for pr-102737-1
[INFO] extracting crate seymour-protocol 0.1.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate seymour-protocol 0.1.4 on toolchain 4bd30785eb6e55f317b41b7c278f438807eeb174
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4bd30785eb6e55f317b41b7c278f438807eeb174" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate seymour-protocol 0.1.4
[INFO] finished tweaking crates.io crate seymour-protocol 0.1.4
[INFO] tweaked toml for crates.io crate seymour-protocol 0.1.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4bd30785eb6e55f317b41b7c278f438807eeb174" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4bd30785eb6e55f317b41b7c278f438807eeb174" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror v1.0.37
[INFO] [stderr]   Downloaded thiserror-impl v1.0.37
[INFO] [stderr]   Downloaded quote v1.0.21
[INFO] [stderr]   Downloaded proc-macro2 v1.0.46
[INFO] [stderr]   Downloaded syn v1.0.102
[INFO] [stderr]   Downloaded unicode-ident v1.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+4bd30785eb6e55f317b41b7c278f438807eeb174" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3920b4a7d5115ef2f546f79fc2c4cccea6cfa07185ac978a471ed1201c366f2b
[INFO] running `Command { std: "docker" "start" "-a" "3920b4a7d5115ef2f546f79fc2c4cccea6cfa07185ac978a471ed1201c366f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3920b4a7d5115ef2f546f79fc2c4cccea6cfa07185ac978a471ed1201c366f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3920b4a7d5115ef2f546f79fc2c4cccea6cfa07185ac978a471ed1201c366f2b", kill_on_drop: false }`
[INFO] [stdout] 3920b4a7d5115ef2f546f79fc2c4cccea6cfa07185ac978a471ed1201c366f2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+4bd30785eb6e55f317b41b7c278f438807eeb174" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c9397d6a35db784c2a8a9fbb43611be76e4fe948854b5ef8da7805786867b2f
[INFO] running `Command { std: "docker" "start" "-a" "7c9397d6a35db784c2a8a9fbb43611be76e4fe948854b5ef8da7805786867b2f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]     Checking seymour-protocol v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.48s
[INFO] running `Command { std: "docker" "inspect" "7c9397d6a35db784c2a8a9fbb43611be76e4fe948854b5ef8da7805786867b2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c9397d6a35db784c2a8a9fbb43611be76e4fe948854b5ef8da7805786867b2f", kill_on_drop: false }`
[INFO] [stdout] 7c9397d6a35db784c2a8a9fbb43611be76e4fe948854b5ef8da7805786867b2f