[INFO] fetching crate MBrane 1.0.10...
[INFO] checking MBrane-1.0.10 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate MBrane 1.0.10 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate MBrane 1.0.10 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate MBrane 1.0.10
[INFO] finished tweaking crates.io crate MBrane 1.0.10
[INFO] tweaked toml for crates.io crate MBrane 1.0.10 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eee525c7bdaa3e6d54eeb89850f696e85f6f53c63eea0943bd15dba41fef8e55
[INFO] running `Command { std: "docker" "start" "-a" "eee525c7bdaa3e6d54eeb89850f696e85f6f53c63eea0943bd15dba41fef8e55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eee525c7bdaa3e6d54eeb89850f696e85f6f53c63eea0943bd15dba41fef8e55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eee525c7bdaa3e6d54eeb89850f696e85f6f53c63eea0943bd15dba41fef8e55", kill_on_drop: false }`
[INFO] [stdout] eee525c7bdaa3e6d54eeb89850f696e85f6f53c63eea0943bd15dba41fef8e55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7847ff5081500045f4c1025fa6dde21575ee94ae59644257fc365a8db4aff29d
[INFO] running `Command { std: "docker" "start" "-a" "7847ff5081500045f4c1025fa6dde21575ee94ae59644257fc365a8db4aff29d", kill_on_drop: false }`
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking MBrane v1.0.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.86s
[INFO] running `Command { std: "docker" "inspect" "7847ff5081500045f4c1025fa6dde21575ee94ae59644257fc365a8db4aff29d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7847ff5081500045f4c1025fa6dde21575ee94ae59644257fc365a8db4aff29d", kill_on_drop: false }`
[INFO] [stdout] 7847ff5081500045f4c1025fa6dde21575ee94ae59644257fc365a8db4aff29d