[INFO] cloning repository https://github.com/Laegel/rox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Laegel/rox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLaegel%2Frox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLaegel%2Frox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5bee60f9d5eeb04bbeefd574aa929be39f3c5e7a
[INFO] checking Laegel/rox against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLaegel%2Frox" "/workspace/builds/worker-27/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-27/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Laegel/rox 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/Laegel/rox
[INFO] finished tweaking git repo https://github.com/Laegel/rox
[INFO] tweaked toml for git repo https://github.com/Laegel/rox written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate git repo https://github.com/Laegel/rox 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 363514d82312c2ffc66eb6a43656e0e7399926ddd86e1b176f27e5bdac403514
[INFO] running `Command { std: "docker" "start" "-a" "363514d82312c2ffc66eb6a43656e0e7399926ddd86e1b176f27e5bdac403514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "363514d82312c2ffc66eb6a43656e0e7399926ddd86e1b176f27e5bdac403514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "363514d82312c2ffc66eb6a43656e0e7399926ddd86e1b176f27e5bdac403514", kill_on_drop: false }`
[INFO] [stdout] 363514d82312c2ffc66eb6a43656e0e7399926ddd86e1b176f27e5bdac403514
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 36e09b9b0addcca8256873db5310c86699048befabc9232ec9874a0668c009f8
[INFO] running `Command { std: "docker" "start" "-a" "36e09b9b0addcca8256873db5310c86699048befabc9232ec9874a0668c009f8", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking rust-lox v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stdout] warning: variant is never constructed: `Eof`
[INFO] [stdout]   --> src/token.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     Eof,
[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: `to_string`
[INFO] [stdout]   --> src/token.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn to_string(self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `LoxError`
[INFO] [stdout]  --> src/errors.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct LoxError {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Unary`
[INFO] [stdout]  --> src/expr.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Unary(Token, Box<Expr>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Binary`
[INFO] [stdout]  --> src/expr.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Binary(Box<Expr>, Token, Box<Expr>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Grouping`
[INFO] [stdout]  --> src/expr.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Grouping(Box<Expr>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Literal`
[INFO] [stdout]  --> src/expr.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Literal(Token),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print`
[INFO] [stdout]   --> src/expr.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn print(&mut self, expr: &Expr) -> String {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating src/bin/repl.rs from 2018 edition to 2021
[INFO] [stdout] warning: variant is never constructed: `Eof`
[INFO] [stdout]   --> src/token.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     Eof,
[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: `to_string`
[INFO] [stdout]   --> src/token.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn to_string(self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `LoxError`
[INFO] [stdout]  --> src/errors.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct LoxError {
[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 6.07s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking rust-lox v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: variant is never constructed: `Eof`
[INFO] [stdout]   --> src/token.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     Eof,
[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: `to_string`
[INFO] [stdout]   --> src/token.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn to_string(self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `LoxError`
[INFO] [stdout]  --> src/errors.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct LoxError {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Eof`
[INFO] [stdout]   --> src/token.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     Eof,
[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: `to_string`
[INFO] [stdout]   --> src/token.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn to_string(self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `LoxError`
[INFO] [stdout]  --> src/errors.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct LoxError {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Unary`
[INFO] [stdout]  --> src/expr.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Unary(Token, Box<Expr>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Binary`
[INFO] [stdout]  --> src/expr.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Binary(Box<Expr>, Token, Box<Expr>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Grouping`
[INFO] [stdout]  --> src/expr.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Grouping(Box<Expr>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Literal`
[INFO] [stdout]  --> src/expr.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Literal(Token),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print`
[INFO] [stdout]   --> src/expr.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn print(&mut self, expr: &Expr) -> String {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "36e09b9b0addcca8256873db5310c86699048befabc9232ec9874a0668c009f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36e09b9b0addcca8256873db5310c86699048befabc9232ec9874a0668c009f8", kill_on_drop: false }`
[INFO] [stdout] 36e09b9b0addcca8256873db5310c86699048befabc9232ec9874a0668c009f8