[INFO] cloning repository https://github.com/raviqqe/subtyped-hm-type-inference [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/raviqqe/subtyped-hm-type-inference" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraviqqe%2Fsubtyped-hm-type-inference", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraviqqe%2Fsubtyped-hm-type-inference'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5537748704b5b516f8960faa18639d6b31c2800d [INFO] checking raviqqe/subtyped-hm-type-inference against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraviqqe%2Fsubtyped-hm-type-inference" "/workspace/builds/worker-89/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-89/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/raviqqe/subtyped-hm-type-inference on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/raviqqe/subtyped-hm-type-inference [INFO] finished tweaking git repo https://github.com/raviqqe/subtyped-hm-type-inference [INFO] tweaked toml for git repo https://github.com/raviqqe/subtyped-hm-type-inference written to /workspace/builds/worker-89/source/Cargo.toml [INFO] crate git repo https://github.com/raviqqe/subtyped-hm-type-inference already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 23e79b3dff9dbbcc4043b42d24c901068315393dac5aaa84639d6412c6125871 [INFO] running `Command { std: "docker" "start" "-a" "23e79b3dff9dbbcc4043b42d24c901068315393dac5aaa84639d6412c6125871", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "23e79b3dff9dbbcc4043b42d24c901068315393dac5aaa84639d6412c6125871", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "23e79b3dff9dbbcc4043b42d24c901068315393dac5aaa84639d6412c6125871", kill_on_drop: false }` [INFO] [stdout] 23e79b3dff9dbbcc4043b42d24c901068315393dac5aaa84639d6412c6125871 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3512232d8e8b85f1d4c13d2bad2c04851b872034bdc0843f180f70539341eb76 [INFO] running `Command { std: "docker" "start" "-a" "3512232d8e8b85f1d4c13d2bad2c04851b872034bdc0843f180f70539341eb76", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.78 [INFO] [stderr] Checking ppv-lite86 v0.2.9 [INFO] [stderr] Checking getrandom v0.1.15 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking hm-type-inference v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.11s [INFO] running `Command { std: "docker" "inspect" "3512232d8e8b85f1d4c13d2bad2c04851b872034bdc0843f180f70539341eb76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3512232d8e8b85f1d4c13d2bad2c04851b872034bdc0843f180f70539341eb76", kill_on_drop: false }` [INFO] [stdout] 3512232d8e8b85f1d4c13d2bad2c04851b872034bdc0843f180f70539341eb76