[INFO] cloning repository https://github.com/notronaldmcdonald/stupid-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/notronaldmcdonald/stupid-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotronaldmcdonald%2Fstupid-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotronaldmcdonald%2Fstupid-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eac5398187206946d153d7aa1e090f1db0dcaba6
[INFO] checking notronaldmcdonald/stupid-lang against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotronaldmcdonald%2Fstupid-lang" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/notronaldmcdonald/stupid-lang 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/notronaldmcdonald/stupid-lang
[INFO] finished tweaking git repo https://github.com/notronaldmcdonald/stupid-lang
[INFO] tweaked toml for git repo https://github.com/notronaldmcdonald/stupid-lang written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/notronaldmcdonald/stupid-lang 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 749745e61360fddb351aa056fbf81d6e9c733b778dbfb7ac5bbe4ac614fa3b8d
[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" "749745e61360fddb351aa056fbf81d6e9c733b778dbfb7ac5bbe4ac614fa3b8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "749745e61360fddb351aa056fbf81d6e9c733b778dbfb7ac5bbe4ac614fa3b8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "749745e61360fddb351aa056fbf81d6e9c733b778dbfb7ac5bbe4ac614fa3b8d", kill_on_drop: false }`
[INFO] [stdout] 749745e61360fddb351aa056fbf81d6e9c733b778dbfb7ac5bbe4ac614fa3b8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] f29830b2ed43e4adb6f894ebaf221b696d1779ef1be34eee9254885cc9f3cc6f
[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" "f29830b2ed43e4adb6f894ebaf221b696d1779ef1be34eee9254885cc9f3cc6f", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking stupid-lang v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/lang/math.rs (1 fix)
[INFO] [stderr]        Fixed src/lang/parser/mod.rs (2 fixes)
[INFO] [stdout] warning: enum is never used: `Token`
[INFO] [stdout]   --> src/lang/parser/keywords.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum Token {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/lang/parser/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `val`
[INFO] [stdout]   --> src/lang/parser/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     val: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Token`
[INFO] [stdout]   --> src/lang/parser/keywords.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum Token {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/lang/parser/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `val`
[INFO] [stdout]   --> src/lang/parser/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     val: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.67s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking stupid-lang v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: enum is never used: `Token`
[INFO] [stdout]   --> src/lang/parser/keywords.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum Token {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/lang/parser/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `val`
[INFO] [stdout]   --> src/lang/parser/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     val: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Token`
[INFO] [stdout]   --> src/lang/parser/keywords.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum Token {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/lang/parser/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `val`
[INFO] [stdout]   --> src/lang/parser/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     val: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "f29830b2ed43e4adb6f894ebaf221b696d1779ef1be34eee9254885cc9f3cc6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f29830b2ed43e4adb6f894ebaf221b696d1779ef1be34eee9254885cc9f3cc6f", kill_on_drop: false }`
[INFO] [stdout] f29830b2ed43e4adb6f894ebaf221b696d1779ef1be34eee9254885cc9f3cc6f