[INFO] cloning repository https://github.com/ThePerkinrex/TestLang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ThePerkinrex/TestLang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThePerkinrex%2FTestLang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThePerkinrex%2FTestLang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 738e07cfec8e821ce0546e0ad68b0c1a1e1ba4b7
[INFO] checking ThePerkinrex/TestLang against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThePerkinrex%2FTestLang" "/workspace/builds/worker-115/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-115/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ThePerkinrex/TestLang 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/ThePerkinrex/TestLang
[INFO] finished tweaking git repo https://github.com/ThePerkinrex/TestLang
[INFO] tweaked toml for git repo https://github.com/ThePerkinrex/TestLang written to /workspace/builds/worker-115/source/Cargo.toml
[INFO] crate git repo https://github.com/ThePerkinrex/TestLang 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-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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] f685542e83f5b131deb0e267ff6ba7bca7a672615f845968330ed337b10da313
[INFO] running `Command { std: "docker" "start" "-a" "f685542e83f5b131deb0e267ff6ba7bca7a672615f845968330ed337b10da313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f685542e83f5b131deb0e267ff6ba7bca7a672615f845968330ed337b10da313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f685542e83f5b131deb0e267ff6ba7bca7a672615f845968330ed337b10da313", kill_on_drop: false }`
[INFO] [stdout] f685542e83f5b131deb0e267ff6ba7bca7a672615f845968330ed337b10da313
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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] 591f76e434fd8770ee97b453834ed56e4e5d713d1c65d8ebfca6b7e39cab29f9
[INFO] running `Command { std: "docker" "start" "-a" "591f76e434fd8770ee97b453834ed56e4e5d713d1c65d8ebfca6b7e39cab29f9", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking lang v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/span/location.rs (1 fix)
[INFO] [stderr]        Fixed src/backend/mod.rs (1 fix)
[INFO] [stderr]        Fixed src/backend/js.rs (4 fixes)
[INFO] [stdout] warning: variant is never constructed: `Err`
[INFO] [stdout]    --> src/ast/types.rs:123:2
[INFO] [stdout]     |
[INFO] [stdout] 123 |     Err,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Define`
[INFO] [stdout]   --> src/ast/expr.rs:31:2
[INFO] [stdout]    |
[INFO] [stdout] 31 |     Define(Ident, Box<Span<Expr>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DefineMut`
[INFO] [stdout]   --> src/ast/expr.rs:32:2
[INFO] [stdout]    |
[INFO] [stdout] 32 |     DefineMut(Ident, Box<Span<Expr>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `None`
[INFO] [stdout]   --> src/ast/expr.rs:34:2
[INFO] [stdout]    |
[INFO] [stdout] 34 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Never`
[INFO] [stdout]   --> src/ast/value.rs:15:2
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Never,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `map`
[INFO] [stdout]    --> src/scope.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn map<U: Clone, F: Fn(T) -> U>(mut self, f: &F) -> Scope<U> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Err`
[INFO] [stdout]    --> src/ast/types.rs:123:2
[INFO] [stdout]     |
[INFO] [stdout] 123 |     Err,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Define`
[INFO] [stdout]   --> src/ast/expr.rs:31:2
[INFO] [stdout]    |
[INFO] [stdout] 31 |     Define(Ident, Box<Span<Expr>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DefineMut`
[INFO] [stdout]   --> src/ast/expr.rs:32:2
[INFO] [stdout]    |
[INFO] [stdout] 32 |     DefineMut(Ident, Box<Span<Expr>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `None`
[INFO] [stdout]   --> src/ast/expr.rs:34:2
[INFO] [stdout]    |
[INFO] [stdout] 34 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Never`
[INFO] [stdout]   --> src/ast/value.rs:15:2
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Never,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `map`
[INFO] [stdout]    --> src/scope.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn map<U: Clone, F: Fn(T) -> U>(mut self, f: &F) -> Scope<U> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.46s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking lang v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: variant is never constructed: `Err`
[INFO] [stdout]    --> src/ast/types.rs:123:2
[INFO] [stdout]     |
[INFO] [stdout] 123 |     Err,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Define`
[INFO] [stdout]   --> src/ast/expr.rs:31:2
[INFO] [stdout]    |
[INFO] [stdout] 31 |     Define(Ident, Box<Span<Expr>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DefineMut`
[INFO] [stdout]   --> src/ast/expr.rs:32:2
[INFO] [stdout]    |
[INFO] [stdout] 32 |     DefineMut(Ident, Box<Span<Expr>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `None`
[INFO] [stdout]   --> src/ast/expr.rs:34:2
[INFO] [stdout]    |
[INFO] [stdout] 34 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Never`
[INFO] [stdout]   --> src/ast/value.rs:15:2
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Never,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `map`
[INFO] [stdout]    --> src/scope.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn map<U: Clone, F: Fn(T) -> U>(mut self, f: &F) -> Scope<U> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Err`
[INFO] [stdout]    --> src/ast/types.rs:123:2
[INFO] [stdout]     |
[INFO] [stdout] 123 |     Err,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Define`
[INFO] [stdout]   --> src/ast/expr.rs:31:2
[INFO] [stdout]    |
[INFO] [stdout] 31 |     Define(Ident, Box<Span<Expr>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DefineMut`
[INFO] [stdout]   --> src/ast/expr.rs:32:2
[INFO] [stdout]    |
[INFO] [stdout] 32 |     DefineMut(Ident, Box<Span<Expr>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `None`
[INFO] [stdout]   --> src/ast/expr.rs:34:2
[INFO] [stdout]    |
[INFO] [stdout] 34 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Never`
[INFO] [stdout]   --> src/ast/value.rs:15:2
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Never,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `map`
[INFO] [stdout]    --> src/scope.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn map<U: Clone, F: Fn(T) -> U>(mut self, f: &F) -> Scope<U> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.26s
[INFO] running `Command { std: "docker" "inspect" "591f76e434fd8770ee97b453834ed56e4e5d713d1c65d8ebfca6b7e39cab29f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "591f76e434fd8770ee97b453834ed56e4e5d713d1c65d8ebfca6b7e39cab29f9", kill_on_drop: false }`
[INFO] [stdout] 591f76e434fd8770ee97b453834ed56e4e5d713d1c65d8ebfca6b7e39cab29f9