[INFO] updating cached repository https://github.com/EMattfolk/FallGameJam2021
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 14e12e47439ab0bb69ba4cb78305b9d873fca3aa
[INFO] checking EMattfolk/FallGameJam2021/14e12e47439ab0bb69ba4cb78305b9d873fca3aa against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEMattfolk%2FFallGameJam2021" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EMattfolk/FallGameJam2021 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/EMattfolk/FallGameJam2021
[INFO] finished tweaking git repo https://github.com/EMattfolk/FallGameJam2021
[INFO] tweaked toml for git repo https://github.com/EMattfolk/FallGameJam2021 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/EMattfolk/FallGameJam2021 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17ac0e9faff137152a0d970ab86a540a6426e87af20fbf8550b5f310853c5f1e
[INFO] running `Command { std: "docker" "start" "-a" "17ac0e9faff137152a0d970ab86a540a6426e87af20fbf8550b5f310853c5f1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17ac0e9faff137152a0d970ab86a540a6426e87af20fbf8550b5f310853c5f1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17ac0e9faff137152a0d970ab86a540a6426e87af20fbf8550b5f310853c5f1e", kill_on_drop: false }`
[INFO] [stdout] 17ac0e9faff137152a0d970ab86a540a6426e87af20fbf8550b5f310853c5f1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ab11aa76d59fbfd7527cb9788f604265f68fec17e54508542963945003e37ab
[INFO] running `Command { std: "docker" "start" "-a" "4ab11aa76d59fbfd7527cb9788f604265f68fec17e54508542963945003e37ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling beef v0.5.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking sungod v0.3.1
[INFO] [stderr]    Compiling sylt v0.2.0 (/opt/rustwide/workdir/sylt)
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking sylt-macro v0.2.0 (/opt/rustwide/workdir/sylt-macro)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> sylt-macro/src/macro.rs:464:9
[INFO] [stdout]     |
[INFO] [stdout] 464 |     let mut link = if let Some(link) = link.get_mut(&module) {
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> sylt-macro/src/macro.rs:464:9
[INFO] [stdout]     |
[INFO] [stdout] 464 |     let mut link = if let Some(link) = link.get_mut(&module) {
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling logos-derive v0.12.0
[INFO] [stderr]    Compiling gumdrop_derive v0.8.0
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> sylt-macro/src/macro.rs:464:9
[INFO] [stdout]     |
[INFO] [stdout] 464 |     let mut link = if let Some(link) = link.get_mut(&module) {
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking gumdrop v0.8.0
[INFO] [stderr]     Checking logos v0.12.0
[INFO] [stderr]     Checking sylt-tokenizer v0.2.0 (/opt/rustwide/workdir/sylt-tokenizer)
[INFO] [stderr]     Checking sylt-common v0.2.0 (/opt/rustwide/workdir/sylt-common)
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking sylt-parser v0.2.0 (/opt/rustwide/workdir/sylt-parser)
[INFO] [stderr]     Checking sylt-std v0.2.0 (/opt/rustwide/workdir/sylt-std)
[INFO] [stderr]     Checking sylt-machine v0.2.0 (/opt/rustwide/workdir/sylt-machine)
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> sylt-parser/src/parser.rs:851:5
[INFO] [stdout]     |
[INFO] [stdout] 851 |     drop(enum_name);
[INFO] [stdout]     |     ^^^^^---------^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          argument has type `&Identifier`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 851 -     drop(enum_name);
[INFO] [stdout] 851 +     let _ = enum_name;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking sylt-compiler v0.2.0 (/opt/rustwide/workdir/sylt-compiler)
[INFO] [stdout] warning: field `span` is never read
[INFO] [stdout]   --> sylt-compiler/src/compiler.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct Upvalue {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 43 |     span: Span,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Upvalue` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LoopFrame` is never constructed
[INFO] [stdout]   --> sylt-compiler/src/compiler.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 | struct LoopFrame {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `scope` is never read
[INFO] [stdout]   --> sylt-compiler/src/bytecode.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct BytecodeContext {
[INFO] [stdout]    |        --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     scope: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BytecodeContext` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `span` is never read
[INFO] [stdout]   --> sylt-compiler/src/compiler.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct Upvalue {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 43 |     span: Span,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Upvalue` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LoopFrame` is never constructed
[INFO] [stdout]   --> sylt-compiler/src/compiler.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 | struct LoopFrame {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `scope` is never read
[INFO] [stdout]   --> sylt-compiler/src/bytecode.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct BytecodeContext {
[INFO] [stdout]    |        --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     scope: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BytecodeContext` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> sylt-parser/src/parser.rs:851:5
[INFO] [stdout]     |
[INFO] [stdout] 851 |     drop(enum_name);
[INFO] [stdout]     |     ^^^^^---------^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          argument has type `&Identifier`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 851 -     drop(enum_name);
[INFO] [stdout] 851 +     let _ = enum_name;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.02s
[INFO] running `Command { std: "docker" "inspect" "4ab11aa76d59fbfd7527cb9788f604265f68fec17e54508542963945003e37ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ab11aa76d59fbfd7527cb9788f604265f68fec17e54508542963945003e37ab", kill_on_drop: false }`
[INFO] [stdout] 4ab11aa76d59fbfd7527cb9788f604265f68fec17e54508542963945003e37ab