[INFO] cloning repository https://github.com/rukarangi/rust-programming-techniques
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rukarangi/rust-programming-techniques" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frukarangi%2Frust-programming-techniques", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frukarangi%2Frust-programming-techniques'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 89256df4b5272a0ced1446257e461f63e5ba5dcb
[INFO] checking rukarangi/rust-programming-techniques against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frukarangi%2Frust-programming-techniques" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rukarangi/rust-programming-techniques on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rukarangi/rust-programming-techniques
[INFO] finished tweaking git repo https://github.com/rukarangi/rust-programming-techniques
[INFO] tweaked toml for git repo https://github.com/rukarangi/rust-programming-techniques written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/rukarangi/rust-programming-techniques already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7c5661c8222f9905738ab351b2144a58089ff21888cb6231e375613c97aee89c
[INFO] running `Command { std: "docker" "start" "-a" "7c5661c8222f9905738ab351b2144a58089ff21888cb6231e375613c97aee89c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c5661c8222f9905738ab351b2144a58089ff21888cb6231e375613c97aee89c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c5661c8222f9905738ab351b2144a58089ff21888cb6231e375613c97aee89c", kill_on_drop: false }`
[INFO] [stdout] 7c5661c8222f9905738ab351b2144a58089ff21888cb6231e375613c97aee89c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2a9e1aa2efaee185027f9d5ef66e3ecebe0710901b0e89b2d7ac58707f6593c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a2a9e1aa2efaee185027f9d5ef66e3ecebe0710901b0e89b2d7ac58707f6593c", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking rust-programming-techniques v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking rust-programming-techniques v0.1.0 (/tmp/fixit)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "a2a9e1aa2efaee185027f9d5ef66e3ecebe0710901b0e89b2d7ac58707f6593c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2a9e1aa2efaee185027f9d5ef66e3ecebe0710901b0e89b2d7ac58707f6593c", kill_on_drop: false }`
[INFO] [stdout] a2a9e1aa2efaee185027f9d5ef66e3ecebe0710901b0e89b2d7ac58707f6593c