[INFO] cloning repository https://github.com/mchesser/pchip
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mchesser/pchip" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmchesser%2Fpchip", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmchesser%2Fpchip'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 52c7096826868b8d79924bc9dcde66159a6bd29e
[INFO] checking mchesser/pchip against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmchesser%2Fpchip" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mchesser/pchip on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mchesser/pchip
[INFO] finished tweaking git repo https://github.com/mchesser/pchip
[INFO] tweaked toml for git repo https://github.com/mchesser/pchip written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/mchesser/pchip already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6614cda406d600863f9ff49014b4806ffd8ef522ee2806718e746c84bb9f595a
[INFO] running `Command { std: "docker" "start" "-a" "6614cda406d600863f9ff49014b4806ffd8ef522ee2806718e746c84bb9f595a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6614cda406d600863f9ff49014b4806ffd8ef522ee2806718e746c84bb9f595a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6614cda406d600863f9ff49014b4806ffd8ef522ee2806718e746c84bb9f595a", kill_on_drop: false }`
[INFO] [stdout] 6614cda406d600863f9ff49014b4806ffd8ef522ee2806718e746c84bb9f595a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17eefae94a7d3c859731de0a3e4455f62a06dd22b6bfd0f6cc4da422b8b08a0e
[INFO] running `Command { std: "docker" "start" "-a" "17eefae94a7d3c859731de0a3e4455f62a06dd22b6bfd0f6cc4da422b8b08a0e", kill_on_drop: false }`
[INFO] [stderr]     Checking pchip v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer.rs:186:16
[INFO] [stdout]     |
[INFO] [stdout] 186 |             '0'...'9' => {
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/main.rs:30:35
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let mut input = String::new();;
[INFO] [stdout]    |                                   ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer.rs:186:16
[INFO] [stdout]     |
[INFO] [stdout] 186 |             '0'...'9' => {
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/main.rs:30:35
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let mut input = String::new();;
[INFO] [stdout]    |                                   ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `SpecialRegId`
[INFO] [stdout]  --> src/dlx/asm.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub type SpecialRegId = usize;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `TrapId`
[INFO] [stdout]  --> src/dlx/asm.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type TrapId = usize;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Unknown`
[INFO] [stdout]   --> src/dlx/asm.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Unknown(LabelId),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `HEAP_POINTER`
[INFO] [stdout]   --> src/dlx/codegen.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | const HEAP_POINTER: RegId = 15;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Uint`
[INFO] [stdout]   --> src/lexer.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     Uint,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `escape_HACK` should have a snake case name
[INFO] [stdout]    --> src/parser.rs:424:21
[INFO] [stdout]     |
[INFO] [stdout] 424 |                 let escape_HACK = value.chars().filter(|&x| x == '\\').count() as i32;
[INFO] [stdout]     |                     ^^^^^^^^^^^ help: convert the identifier to snake case: `escape_hack`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `SpecialRegId`
[INFO] [stdout]  --> src/dlx/asm.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub type SpecialRegId = usize;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `TrapId`
[INFO] [stdout]  --> src/dlx/asm.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type TrapId = usize;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Unknown`
[INFO] [stdout]   --> src/dlx/asm.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Unknown(LabelId),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `HEAP_POINTER`
[INFO] [stdout]   --> src/dlx/codegen.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | const HEAP_POINTER: RegId = 15;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Uint`
[INFO] [stdout]   --> src/lexer.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     Uint,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `escape_HACK` should have a snake case name
[INFO] [stdout]    --> src/parser.rs:424:21
[INFO] [stdout]     |
[INFO] [stdout] 424 |                 let escape_HACK = value.chars().filter(|&x| x == '\\').count() as i32;
[INFO] [stdout]     |                     ^^^^^^^^^^^ help: convert the identifier to snake case: `escape_hack`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "17eefae94a7d3c859731de0a3e4455f62a06dd22b6bfd0f6cc4da422b8b08a0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17eefae94a7d3c859731de0a3e4455f62a06dd22b6bfd0f6cc4da422b8b08a0e", kill_on_drop: false }`
[INFO] [stdout] 17eefae94a7d3c859731de0a3e4455f62a06dd22b6bfd0f6cc4da422b8b08a0e