[INFO] cloning repository https://github.com/oussamarouabah/rust_by_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oussamarouabah/rust_by_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foussamarouabah%2Frust_by_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foussamarouabah%2Frust_by_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6789ea30e7ba194f5994b36d81b68dc308cdb621
[INFO] checking oussamarouabah/rust_by_example against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foussamarouabah%2Frust_by_example" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oussamarouabah/rust_by_example 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/oussamarouabah/rust_by_example
[INFO] finished tweaking git repo https://github.com/oussamarouabah/rust_by_example
[INFO] tweaked toml for git repo https://github.com/oussamarouabah/rust_by_example written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/oussamarouabah/rust_by_example 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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] cc9effc758999ca947162a11bc57f6de4605cac1ab8a5c05077366f0ee83b022
[INFO] running `Command { std: "docker" "start" "-a" "cc9effc758999ca947162a11bc57f6de4605cac1ab8a5c05077366f0ee83b022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc9effc758999ca947162a11bc57f6de4605cac1ab8a5c05077366f0ee83b022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc9effc758999ca947162a11bc57f6de4605cac1ab8a5c05077366f0ee83b022", kill_on_drop: false }`
[INFO] [stdout] cc9effc758999ca947162a11bc57f6de4605cac1ab8a5c05077366f0ee83b022
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f7b59b45a9cbe1a78d1585c3da72a4772108a35d5a2ee7a11c8f00e0470490f9
[INFO] running `Command { std: "docker" "start" "-a" "f7b59b45a9cbe1a78d1585c3da72a4772108a35d5a2ee7a11c8f00e0470490f9", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking rust_by_example v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/formating/bin/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/functions/bin/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/const/bin/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/binding/bin/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/tuples/bin/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/literals/bin/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/arrays/bin/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/struct/bin/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/enum/bin/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/linked_list/bin/main.rs from 2018 edition to 2021
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.98s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking rust_by_example v0.1.0 (/tmp/fixit)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.28s
[INFO] running `Command { std: "docker" "inspect" "f7b59b45a9cbe1a78d1585c3da72a4772108a35d5a2ee7a11c8f00e0470490f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7b59b45a9cbe1a78d1585c3da72a4772108a35d5a2ee7a11c8f00e0470490f9", kill_on_drop: false }`
[INFO] [stdout] f7b59b45a9cbe1a78d1585c3da72a4772108a35d5a2ee7a11c8f00e0470490f9