[INFO] cloning repository https://github.com/theidiotmachine/WA1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/theidiotmachine/WA1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheidiotmachine%2FWA1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheidiotmachine%2FWA1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f93c8ff5268eaf13da4a53b04c9819ba563c692
[INFO] checking theidiotmachine/WA1 against master#4c60a0ea5b2385d7400df9db1ad04e96f2a4c154 for 92191_revert
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheidiotmachine%2FWA1" "/workspace/builds/worker-29/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/theidiotmachine/WA1 on toolchain 4c60a0ea5b2385d7400df9db1ad04e96f2a4c154
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/theidiotmachine/WA1
[INFO] finished tweaking git repo https://github.com/theidiotmachine/WA1
[INFO] tweaked toml for git repo https://github.com/theidiotmachine/WA1 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate git repo https://github.com/theidiotmachine/WA1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02a2630c2c4e3430fbe91857878d93a5ed211d3aae59938922823f8b49f21c27
[INFO] running `Command { std: "docker" "start" "-a" "02a2630c2c4e3430fbe91857878d93a5ed211d3aae59938922823f8b49f21c27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02a2630c2c4e3430fbe91857878d93a5ed211d3aae59938922823f8b49f21c27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02a2630c2c4e3430fbe91857878d93a5ed211d3aae59938922823f8b49f21c27", kill_on_drop: false }`
[INFO] [stdout] 02a2630c2c4e3430fbe91857878d93a5ed211d3aae59938922823f8b49f21c27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c87841b47a8d20d44d4eb85d1e0abb764d3a47128a51ac9f79ab3f9230c86f5e
[INFO] running `Command { std: "docker" "start" "-a" "c87841b47a8d20d44d4eb85d1e0abb764d3a47128a51ac9f79ab3f9230c86f5e", kill_on_drop: false }`
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[INFO] [stderr]    Compiling unicode-xid v0.2.0
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[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.50.0
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[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling bitflags v1.2.1
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[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]    Compiling wasmtime-runtime v0.8.0
[INFO] [stderr]     Checking goblin v0.1.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
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[INFO] [stderr]    Compiling cranelift-entity v0.50.0
[INFO] [stderr]     Checking wa1-types v0.1.0 (/opt/rustwide/workdir/wa1-types)
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]     Checking string-interner v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.50.0
[INFO] [stderr]     Checking cranelift-bforest v0.50.0
[INFO] [stderr]     Checking wa1-errs v0.0.1 (/opt/rustwide/workdir/wa1-errs)
[INFO] [stderr]     Checking faerie v0.13.0
[INFO] [stderr]     Checking wa1-lexer v0.0.1 (/opt/rustwide/workdir/wa1-lexer)
[INFO] [stderr]     Checking wa1-ast v0.4.0 (/opt/rustwide/workdir/wa1-ast)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> wa1-lexer/src/lib.rs:341:21
[INFO] [stdout]     |
[INFO] [stdout] 341 | /                     ::std::mem::replace(
[INFO] [stdout] 342 | |                         &mut self.before_last_open,
[INFO] [stdout] 343 | |                         ::std::mem::replace(&mut self.last_three, LookBehind::new()),
[INFO] [stdout] 344 | |                     );
[INFO] [stdout]     | |______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> wa1-lexer/src/lib.rs:341:21
[INFO] [stdout]     |
[INFO] [stdout] 341 | /                     ::std::mem::replace(
[INFO] [stdout] 342 | |                         &mut self.before_last_open,
[INFO] [stdout] 343 | |                         ::std::mem::replace(&mut self.last_three, LookBehind::new()),
[INFO] [stdout] 344 | |                     );
[INFO] [stdout]     | |______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking wa1-parser v0.0.1 (/opt/rustwide/workdir/wa1-parser)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> wa1-parser/src/parser/mod.rs:173:17
[INFO] [stdout]     |
[INFO] [stdout] 173 |                 replace(&mut self.look_ahead, look_ahead);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> wa1-parser/src/parser/mod.rs:173:17
[INFO] [stdout]     |
[INFO] [stdout] 173 |                 replace(&mut self.look_ahead, look_ahead);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking wa1-generator v0.0.1 (/opt/rustwide/workdir/wa1-generator)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking wa1 v0.1.0 (/opt/rustwide/workdir/wa1)
[INFO] [stderr]    Compiling cranelift-codegen v0.50.0
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SymTabEvent`
[INFO] [stdout]   --> wa1-generator/src/wasm/wasm_object_file.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     SymTabEvent = 4,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `WasmSymInfoKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> wa1-generator/src/wasm/wasm_object_file.rs:7:10
[INFO] [stdout]    |
[INFO] [stdout] 7  | #[derive(Debug, Clone, Copy)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SymTabTable`
[INFO] [stdout]   --> wa1-generator/src/wasm/wasm_object_file.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     SymTabTable = 5,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `WasmSymInfoKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> wa1-generator/src/wasm/wasm_object_file.rs:7:10
[INFO] [stdout]    |
[INFO] [stdout] 7  | #[derive(Debug, Clone, Copy)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SymTabEvent`
[INFO] [stdout]   --> wa1-generator/src/wasm/wasm_object_file.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     SymTabEvent = 4,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `WasmSymInfoKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> wa1-generator/src/wasm/wasm_object_file.rs:7:10
[INFO] [stdout]    |
[INFO] [stdout] 7  | #[derive(Debug, Clone, Copy)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SymTabTable`
[INFO] [stdout]   --> wa1-generator/src/wasm/wasm_object_file.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     SymTabTable = 5,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `WasmSymInfoKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> wa1-generator/src/wasm/wasm_object_file.rs:7:10
[INFO] [stdout]    |
[INFO] [stdout] 7  | #[derive(Debug, Clone, Copy)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking cranelift-frontend v0.50.0
[INFO] [stderr]     Checking cranelift-native v0.50.0
[INFO] [stderr]     Checking cranelift-wasm v0.50.0
[INFO] [stderr]     Checking zstd-safe v2.0.3+zstd.1.4.4
[INFO] [stderr]     Checking zstd v0.5.1+zstd.1.4.4
[INFO] [stderr]     Checking wasmtime-debug v0.8.0
[INFO] [stderr]     Checking wasmtime-jit v0.8.0
[INFO] [stderr]     Checking wasmtime v0.8.0
[INFO] [stderr]     Checking test-runner v0.1.0 (/opt/rustwide/workdir/test-runner)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 32s
[INFO] running `Command { std: "docker" "inspect" "c87841b47a8d20d44d4eb85d1e0abb764d3a47128a51ac9f79ab3f9230c86f5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c87841b47a8d20d44d4eb85d1e0abb764d3a47128a51ac9f79ab3f9230c86f5e", kill_on_drop: false }`
[INFO] [stdout] c87841b47a8d20d44d4eb85d1e0abb764d3a47128a51ac9f79ab3f9230c86f5e