[INFO] cloning repository https://github.com/notdeckvrd/riddler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/notdeckvrd/riddler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotdeckvrd%2Friddler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotdeckvrd%2Friddler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 11098c2c9842a7e06dc46deb0cd50385977c7d03
[INFO] checking notdeckvrd/riddler against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotdeckvrd%2Friddler" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/notdeckvrd/riddler 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 git repo https://github.com/notdeckvrd/riddler
[INFO] finished tweaking git repo https://github.com/notdeckvrd/riddler
[INFO] tweaked toml for git repo https://github.com/notdeckvrd/riddler written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/notdeckvrd/riddler already has a lockfile, it will not be regenerated
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] b7a6613e3efa8078cbede940ea31cb8c483ccd042364c16b9e789bfbca930cfe
[INFO] running `Command { std: "docker" "start" "-a" "b7a6613e3efa8078cbede940ea31cb8c483ccd042364c16b9e789bfbca930cfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7a6613e3efa8078cbede940ea31cb8c483ccd042364c16b9e789bfbca930cfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7a6613e3efa8078cbede940ea31cb8c483ccd042364c16b9e789bfbca930cfe", kill_on_drop: false }`
[INFO] [stdout] b7a6613e3efa8078cbede940ea31cb8c483ccd042364c16b9e789bfbca930cfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 2ecef003a12ca1a16270904ce9fcda7b81921070f77f0e4bed3044c0ca16bfeb
[INFO] running `Command { std: "docker" "start" "-a" "2ecef003a12ca1a16270904ce9fcda7b81921070f77f0e4bed3044c0ca16bfeb", 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] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking riddler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.35s
[INFO] running `Command { std: "docker" "inspect" "2ecef003a12ca1a16270904ce9fcda7b81921070f77f0e4bed3044c0ca16bfeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ecef003a12ca1a16270904ce9fcda7b81921070f77f0e4bed3044c0ca16bfeb", kill_on_drop: false }`
[INFO] [stdout] 2ecef003a12ca1a16270904ce9fcda7b81921070f77f0e4bed3044c0ca16bfeb