[INFO] cloning repository https://github.com/RajivKurien/Dining_Philosophers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RajivKurien/Dining_Philosophers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRajivKurien%2FDining_Philosophers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRajivKurien%2FDining_Philosophers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bdaba33bcf72c35cb9f9a7b7f54acc982ebc5f1d
[INFO] checking RajivKurien/Dining_Philosophers against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRajivKurien%2FDining_Philosophers" "/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/RajivKurien/Dining_Philosophers 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/RajivKurien/Dining_Philosophers
[INFO] finished tweaking git repo https://github.com/RajivKurien/Dining_Philosophers
[INFO] tweaked toml for git repo https://github.com/RajivKurien/Dining_Philosophers written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/RajivKurien/Dining_Philosophers 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded env_logger v0.6.1
[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] [stdout] 78e0524870c21d12f80463b9bff5f59a223981e44ec6cba96cf4744136a73841
[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" "78e0524870c21d12f80463b9bff5f59a223981e44ec6cba96cf4744136a73841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78e0524870c21d12f80463b9bff5f59a223981e44ec6cba96cf4744136a73841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78e0524870c21d12f80463b9bff5f59a223981e44ec6cba96cf4744136a73841", kill_on_drop: false }`
[INFO] [stdout] 78e0524870c21d12f80463b9bff5f59a223981e44ec6cba96cf4744136a73841
[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] 7ed9db1d343eb8bcc3ae1a0c3e0371833259b23e247c7279abd05e1b67ead680
[INFO] running `Command { std: "docker" "start" "-a" "7ed9db1d343eb8bcc3ae1a0c3e0371833259b23e247c7279abd05e1b67ead680", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   libc v0.2.55: default, use_std
[INFO] [stderr] 
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex v1.1.6
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking Dining_Philosophers v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/dining_philosophers/philosopher/state_machine.rs (1 fix)
[INFO] [stderr]        Fixed src/dining_philosophers/resource_hierarchy_impl/right_thinking.rs (4 fixes)
[INFO] [stderr]        Fixed src/dining_philosophers/resource_hierarchy_impl/thinking.rs (8 fixes)
[INFO] [stderr]        Fixed src/dining_philosophers/resource_hierarchy_impl/left_thinking.rs (4 fixes)
[INFO] [stderr]        Fixed src/main.rs (1 fix)
[INFO] [stderr]        Fixed src/dining_philosophers/resource_hierarchy_impl/eating.rs (3 fixes)
[INFO] [stderr]        Fixed src/dining_philosophers/philosopher/philosopher.rs (3 fixes)
[INFO] [stdout] warning: associated function is never used: `drop_right`
[INFO] [stdout]   --> src/dining_philosophers/resource_hierarchy_impl/eating.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn drop_right(&mut self, table_interaction: TableInteraction) -> LeftThinking {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/dining_philosophers/resource_hierarchy_impl/left_thinking.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(left_fork: Fork, table_interaction: TableInteraction) -> LeftThinking {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `history`
[INFO] [stdout]   --> src/dining_philosophers/philosopher/philosopher.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn history(&self) -> &Vec<State> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `id`
[INFO] [stdout]   --> src/dining_philosophers/philosopher/philosopher.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn id(&self) -> usize {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Dining_Philosophers` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `dining_philosophers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Dining_Philosophers` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `dining_philosophers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.01s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking Dining_Philosophers v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: associated function is never used: `drop_right`
[INFO] [stdout]   --> src/dining_philosophers/resource_hierarchy_impl/eating.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn drop_right(&mut self, table_interaction: TableInteraction) -> LeftThinking {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/dining_philosophers/resource_hierarchy_impl/left_thinking.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(left_fork: Fork, table_interaction: TableInteraction) -> LeftThinking {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `history`
[INFO] [stdout]   --> src/dining_philosophers/philosopher/philosopher.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn history(&self) -> &Vec<State> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `id`
[INFO] [stdout]   --> src/dining_philosophers/philosopher/philosopher.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn id(&self) -> usize {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Dining_Philosophers` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `dining_philosophers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Dining_Philosophers` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `dining_philosophers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.83s
[INFO] running `Command { std: "docker" "inspect" "7ed9db1d343eb8bcc3ae1a0c3e0371833259b23e247c7279abd05e1b67ead680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ed9db1d343eb8bcc3ae1a0c3e0371833259b23e247c7279abd05e1b67ead680", kill_on_drop: false }`
[INFO] [stdout] 7ed9db1d343eb8bcc3ae1a0c3e0371833259b23e247c7279abd05e1b67ead680