[INFO] updating cached repository https://github.com/mchesser/pchip
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 52c7096826868b8d79924bc9dcde66159a6bd29e
[INFO] checking mchesser/pchip against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmchesser%2Fpchip" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mchesser/pchip on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-2/source/Cargo.toml
[INFO] crate git repo https://github.com/mchesser/pchip already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8c4229f0a22828647d67be8228bc72ddcbe274d40800d533f15f9a028cc32077
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "8c4229f0a22828647d67be8228bc72ddcbe274d40800d533f15f9a028cc32077"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking pchip v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer.rs:186:16
[INFO] [stderr]     |
[INFO] [stderr] 186 |             '0'...'9' => {
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/main.rs:30:35
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let mut input = String::new();;
[INFO] [stderr]    |                                   ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer.rs:186:16
[INFO] [stderr]     |
[INFO] [stderr] 186 |             '0'...'9' => {
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/main.rs:30:35
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let mut input = String::new();;
[INFO] [stderr]    |                                   ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `SpecialRegId`
[INFO] [stderr]  --> src/dlx/asm.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub type SpecialRegId = usize;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `TrapId`
[INFO] [stderr]  --> src/dlx/asm.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub type TrapId = usize;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Unknown`
[INFO] [stderr]   --> src/dlx/asm.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Unknown(LabelId),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `HEAP_POINTER`
[INFO] [stderr]   --> src/dlx/codegen.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | const HEAP_POINTER: RegId = 15;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Uint`
[INFO] [stderr]   --> src/lexer.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     Uint,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `escape_HACK` should have a snake case name
[INFO] [stderr]    --> src/parser.rs:424:21
[INFO] [stderr]     |
[INFO] [stderr] 424 |                 let escape_HACK = value.chars().filter(|&x| x == '\\').count() as i32;
[INFO] [stderr]     |                     ^^^^^^^^^^^ help: convert the identifier to snake case: `escape_hack`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `SpecialRegId`
[INFO] [stderr]  --> src/dlx/asm.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub type SpecialRegId = usize;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `TrapId`
[INFO] [stderr]  --> src/dlx/asm.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub type TrapId = usize;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Unknown`
[INFO] [stderr]   --> src/dlx/asm.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Unknown(LabelId),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `HEAP_POINTER`
[INFO] [stderr]   --> src/dlx/codegen.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | const HEAP_POINTER: RegId = 15;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Uint`
[INFO] [stderr]   --> src/lexer.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     Uint,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `escape_HACK` should have a snake case name
[INFO] [stderr]    --> src/parser.rs:424:21
[INFO] [stderr]     |
[INFO] [stderr] 424 |                 let escape_HACK = value.chars().filter(|&x| x == '\\').count() as i32;
[INFO] [stderr]     |                     ^^^^^^^^^^^ help: convert the identifier to snake case: `escape_hack`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.30s
[INFO] running `"docker" "inspect" "8c4229f0a22828647d67be8228bc72ddcbe274d40800d533f15f9a028cc32077"`
[INFO] running `"docker" "rm" "-f" "8c4229f0a22828647d67be8228bc72ddcbe274d40800d533f15f9a028cc32077"`
[INFO] [stdout] 8c4229f0a22828647d67be8228bc72ddcbe274d40800d533f15f9a028cc32077