[INFO] cloning repository https://github.com/gero0/match_examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gero0/match_examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgero0%2Fmatch_examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgero0%2Fmatch_examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 50b1f2aaea819b0897ff1e8c00ef62b09420b8d4
[INFO] checking gero0/match_examples against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgero0%2Fmatch_examples" "/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/gero0/match_examples 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/gero0/match_examples
[INFO] finished tweaking git repo https://github.com/gero0/match_examples
[INFO] tweaked toml for git repo https://github.com/gero0/match_examples written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/gero0/match_examples 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] [stdout] bdb98a95a0e8d5fd1e47b57a2a399fcfcb22d7cb44ca1ac57680d20b72d32df5
[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" "bdb98a95a0e8d5fd1e47b57a2a399fcfcb22d7cb44ca1ac57680d20b72d32df5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdb98a95a0e8d5fd1e47b57a2a399fcfcb22d7cb44ca1ac57680d20b72d32df5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdb98a95a0e8d5fd1e47b57a2a399fcfcb22d7cb44ca1ac57680d20b72d32df5", kill_on_drop: false }`
[INFO] [stdout] bdb98a95a0e8d5fd1e47b57a2a399fcfcb22d7cb44ca1ac57680d20b72d32df5
[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] 7d0b45473cd9a05d2dc427924ed0f0f0fb3965aecfefd126b2fb9c41278d9249
[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" "7d0b45473cd9a05d2dc427924ed0f0f0fb3965aecfefd126b2fb9c41278d9249", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking match_examples v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating examples/option.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/basics.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/enums.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed examples/basics.rs (2 fixes)
[INFO] [stdout] warning: function is never used: `drinking`
[INFO] [stdout]   --> examples/basics.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn drinking(age: u32) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `conditions`
[INFO] [stdout]   --> examples/basics.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn conditions(n: u32) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check_tuple`
[INFO] [stdout]   --> examples/basics.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn check_tuple(tuple: (u32, u32)) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed examples/enums.rs (1 fix)
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Pixel`
[INFO] [stdout]  --> examples/enums.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Pixel {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Command`
[INFO] [stdout]  --> examples/enums.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum Command {
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `execute`
[INFO] [stdout]   --> examples/enums.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn execute(_command: Command) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.63s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking match_examples v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: function is never used: `drinking`
[INFO] [stdout]   --> examples/basics.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn drinking(age: u32) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `conditions`
[INFO] [stdout]   --> examples/basics.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn conditions(n: u32) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check_tuple`
[INFO] [stdout]   --> examples/basics.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn check_tuple(tuple: (u32, u32)) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Pixel`
[INFO] [stdout]  --> examples/enums.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Pixel {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Command`
[INFO] [stdout]  --> examples/enums.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum Command {
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `execute`
[INFO] [stdout]   --> examples/enums.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn execute(_command: Command) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "7d0b45473cd9a05d2dc427924ed0f0f0fb3965aecfefd126b2fb9c41278d9249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d0b45473cd9a05d2dc427924ed0f0f0fb3965aecfefd126b2fb9c41278d9249", kill_on_drop: false }`
[INFO] [stdout] 7d0b45473cd9a05d2dc427924ed0f0f0fb3965aecfefd126b2fb9c41278d9249