[INFO] cloning repository https://github.com/spyrexd/iot-shell
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/spyrexd/iot-shell" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspyrexd%2Fiot-shell", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspyrexd%2Fiot-shell'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7cb586fb636aa74317fa667f60b9fc0a013ae496
[INFO] checking spyrexd/iot-shell against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspyrexd%2Fiot-shell" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/spyrexd/iot-shell on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/spyrexd/iot-shell
[INFO] finished tweaking git repo https://github.com/spyrexd/iot-shell
[INFO] tweaked toml for git repo https://github.com/spyrexd/iot-shell written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/spyrexd/iot-shell 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: release
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc3f45ca8962e0b5622ef0498369d1d72567a6e32c4c05e318356ab2a452cf7b
[INFO] running `Command { std: "docker" "start" "-a" "bc3f45ca8962e0b5622ef0498369d1d72567a6e32c4c05e318356ab2a452cf7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc3f45ca8962e0b5622ef0498369d1d72567a6e32c4c05e318356ab2a452cf7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc3f45ca8962e0b5622ef0498369d1d72567a6e32c4c05e318356ab2a452cf7b", kill_on_drop: false }`
[INFO] [stdout] bc3f45ca8962e0b5622ef0498369d1d72567a6e32c4c05e318356ab2a452cf7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08dea47046479be6f20d93d7d61a38e3c03bbfdad35817759ec0411b6d81b42f
[INFO] running `Command { std: "docker" "start" "-a" "08dea47046479be6f20d93d7d61a38e3c03bbfdad35817759ec0411b6d81b42f", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: release
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking subprocess v0.2.4
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking iot-shell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "08dea47046479be6f20d93d7d61a38e3c03bbfdad35817759ec0411b6d81b42f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08dea47046479be6f20d93d7d61a38e3c03bbfdad35817759ec0411b6d81b42f", kill_on_drop: false }`
[INFO] [stdout] 08dea47046479be6f20d93d7d61a38e3c03bbfdad35817759ec0411b6d81b42f