[INFO] cloning repository https://github.com/abigger87/RustAlgorithms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/abigger87/RustAlgorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabigger87%2FRustAlgorithms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabigger87%2FRustAlgorithms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 14e3bd073f08fc24757d3aea4abaad3f9d198d48
[INFO] checking abigger87/RustAlgorithms against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabigger87%2FRustAlgorithms" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
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[INFO] validating manifest of git repo https://github.com/abigger87/RustAlgorithms 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/abigger87/RustAlgorithms
[INFO] finished tweaking git repo https://github.com/abigger87/RustAlgorithms
[INFO] tweaked toml for git repo https://github.com/abigger87/RustAlgorithms written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/abigger87/RustAlgorithms 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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 195ec15be30b42c919b3efb8b416fc80a1f57d75ced3aa602536ade15277f1ed
[INFO] running `Command { std: "docker" "start" "-a" "195ec15be30b42c919b3efb8b416fc80a1f57d75ced3aa602536ade15277f1ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "195ec15be30b42c919b3efb8b416fc80a1f57d75ced3aa602536ade15277f1ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "195ec15be30b42c919b3efb8b416fc80a1f57d75ced3aa602536ade15277f1ed", kill_on_drop: false }`
[INFO] [stdout] 195ec15be30b42c919b3efb8b416fc80a1f57d75ced3aa602536ade15277f1ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 5d05aa88c925460e748054bf9c183c2c39c4f7ccb1544e691b5f3334783bc7bb
[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" "5d05aa88c925460e748054bf9c183c2c39c4f7ccb1544e691b5f3334783bc7bb", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]     Checking restaurant v0.1.0 (/tmp/fixit/restaurant)
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stdout] warning: function is never used: `fix_incorrect_order`
[INFO] [stdout]  --> restaurant/src/back_of_house.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn fix_incorrect_order() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cook_order`
[INFO] [stdout]  --> restaurant/src/back_of_house.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn cook_order() {}
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Soup`
[INFO] [stdout]  --> restaurant/src/back_of_house.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Soup,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Salad`
[INFO] [stdout]   --> restaurant/src/back_of_house.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Salad,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `seasonal_fruit`
[INFO] [stdout]   --> restaurant/src/back_of_house.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     seasonal_fruit: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `seat_at_table`
[INFO] [stdout]  --> restaurant/src/front_of_house.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fn seat_at_table() {}
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `take_order`
[INFO] [stdout]  --> restaurant/src/front_of_house.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn take_order() {}
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `serve_order`
[INFO] [stdout]  --> restaurant/src/front_of_house.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn serve_order() {}
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `take_payment`
[INFO] [stdout]  --> restaurant/src/front_of_house.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn take_payment() {}
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `serve_order`
[INFO] [stdout]  --> restaurant/src/lib.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn serve_order() {}
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eat_at_restaurant`
[INFO] [stdout]  --> restaurant/src/lib.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn eat_at_restaurant() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking rust v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/main.rs (1 fix)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.95s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stdout] warning: function is never used: `fix_incorrect_order`
[INFO] [stdout]  --> restaurant/src/back_of_house.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn fix_incorrect_order() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cook_order`
[INFO] [stdout]  --> restaurant/src/back_of_house.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn cook_order() {}
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Soup`
[INFO] [stdout]  --> restaurant/src/back_of_house.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Soup,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Salad`
[INFO] [stdout]   --> restaurant/src/back_of_house.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Salad,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `seasonal_fruit`
[INFO] [stdout]   --> restaurant/src/back_of_house.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     seasonal_fruit: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `seat_at_table`
[INFO] [stdout]  --> restaurant/src/front_of_house.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fn seat_at_table() {}
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `take_order`
[INFO] [stdout]  --> restaurant/src/front_of_house.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn take_order() {}
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `serve_order`
[INFO] [stdout]  --> restaurant/src/front_of_house.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn serve_order() {}
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rust v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: function is never used: `take_payment`
[INFO] [stdout]  --> restaurant/src/front_of_house.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn take_payment() {}
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `serve_order`
[INFO] [stdout]  --> restaurant/src/lib.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn serve_order() {}
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eat_at_restaurant`
[INFO] [stdout]  --> restaurant/src/lib.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn eat_at_restaurant() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "5d05aa88c925460e748054bf9c183c2c39c4f7ccb1544e691b5f3334783bc7bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d05aa88c925460e748054bf9c183c2c39c4f7ccb1544e691b5f3334783bc7bb", kill_on_drop: false }`
[INFO] [stdout] 5d05aa88c925460e748054bf9c183c2c39c4f7ccb1544e691b5f3334783bc7bb