[INFO] cloning repository https://github.com/erithmetic/rust-intro
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/erithmetic/rust-intro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferithmetic%2Frust-intro"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferithmetic%2Frust-intro'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d67bdc3fd9a8757ad3836cc8edc612950848f6be
[INFO] checking erithmetic/rust-intro against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferithmetic%2Frust-intro" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/erithmetic/rust-intro on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/erithmetic/rust-intro
[INFO] finished tweaking git repo https://github.com/erithmetic/rust-intro
[INFO] tweaked toml for git repo https://github.com/erithmetic/rust-intro written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/erithmetic/rust-intro already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 622733d40ebad374dde8e12d2b02e58ebaf17afc8a6c1bd274e2582fc799f4a7
[INFO] running `"docker" "start" "-a" "622733d40ebad374dde8e12d2b02e58ebaf17afc8a6c1bd274e2582fc799f4a7"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking serde v1.0.101
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking file_io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.88s
[INFO] running `"docker" "inspect" "622733d40ebad374dde8e12d2b02e58ebaf17afc8a6c1bd274e2582fc799f4a7"`
[INFO] running `"docker" "rm" "-f" "622733d40ebad374dde8e12d2b02e58ebaf17afc8a6c1bd274e2582fc799f4a7"`
[INFO] [stdout] 622733d40ebad374dde8e12d2b02e58ebaf17afc8a6c1bd274e2582fc799f4a7