[INFO] cloning repository https://github.com/yusuke-tkhs/nand2tetris
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yusuke-tkhs/nand2tetris" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyusuke-tkhs%2Fnand2tetris", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyusuke-tkhs%2Fnand2tetris'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c53b892c3f4132dc4befc19782f3851a1f28a821
[INFO] checking yusuke-tkhs/nand2tetris against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyusuke-tkhs%2Fnand2tetris" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yusuke-tkhs/nand2tetris on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yusuke-tkhs/nand2tetris
[INFO] finished tweaking git repo https://github.com/yusuke-tkhs/nand2tetris
[INFO] tweaked toml for git repo https://github.com/yusuke-tkhs/nand2tetris written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/yusuke-tkhs/nand2tetris 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anyhow v1.0.66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2e15dad5ba746d1342ae1a2939466c0fd5c967f493e81ea9c0be53a8212e4f8
[INFO] running `Command { std: "docker" "start" "-a" "e2e15dad5ba746d1342ae1a2939466c0fd5c967f493e81ea9c0be53a8212e4f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2e15dad5ba746d1342ae1a2939466c0fd5c967f493e81ea9c0be53a8212e4f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2e15dad5ba746d1342ae1a2939466c0fd5c967f493e81ea9c0be53a8212e4f8", kill_on_drop: false }`
[INFO] [stdout] e2e15dad5ba746d1342ae1a2939466c0fd5c967f493e81ea9c0be53a8212e4f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8537edb823db6e520eacbbc41e4962ce1480049c189ccdff906536326d401e13
[INFO] running `Command { std: "docker" "start" "-a" "8537edb823db6e520eacbbc41e4962ce1480049c189ccdff906536326d401e13", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking combine v4.6.6
[INFO] [stderr]     Checking schema v0.1.0 (/opt/rustwide/workdir/schema)
[INFO] [stdout] warning: the item `Keyword` is imported redundantly
[INFO] [stdout]   --> schema/src/jack/token_analyzer/class_parser/class_variable_parser.rs:50:34
[INFO] [stdout]    |
[INFO] [stdout] 48 |     use super::*;
[INFO] [stdout]    |         -------- the item `Keyword` is already imported here
[INFO] [stdout] 49 |     use crate::jack::token_analyzer::tests::{easy_parser_assert_token, tokens};
[INFO] [stdout] 50 |     use crate::jack::tokenizer::{Keyword, Symbol};
[INFO] [stdout]    |                                  ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Keyword` is imported redundantly
[INFO] [stdout]    --> schema/src/jack/token_analyzer/class_parser/subroutine_parser.rs:140:34
[INFO] [stdout]     |
[INFO] [stdout] 138 |     use super::*;
[INFO] [stdout]     |         -------- the item `Keyword` is already imported here
[INFO] [stdout] 139 |     use crate::jack::token_analyzer::tests::{easy_parser_assert_token, tokens};
[INFO] [stdout] 140 |     use crate::jack::tokenizer::{Keyword, Symbol};
[INFO] [stdout]     |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking vm_translator v0.1.0 (/opt/rustwide/workdir/vm_translator)
[INFO] [stderr]     Checking compiler v0.1.0 (/opt/rustwide/workdir/compiler)
[INFO] [stderr]     Checking assembler v0.1.0 (/opt/rustwide/workdir/assembler)
[INFO] [stdout] warning: the item `AssemblerCodeBlock` is imported redundantly
[INFO] [stdout]  --> vm_translator/src/semantics/to_assembler.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use super::*;
[INFO] [stdout]   |     -------- the item `AssemblerCodeBlock` is already imported here
[INFO] [stdout] 8 | use crate::semantics;
[INFO] [stdout] 9 | use assembler_code::AssemblerCodeBlock;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AssemblerCodeBlock` is imported redundantly
[INFO] [stdout]  --> vm_translator/src/semantics/to_assembler.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use super::*;
[INFO] [stdout]   |     -------- the item `AssemblerCodeBlock` is already imported here
[INFO] [stdout] 8 | use crate::semantics;
[INFO] [stdout] 9 | use assembler_code::AssemblerCodeBlock;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.58s
[INFO] running `Command { std: "docker" "inspect" "8537edb823db6e520eacbbc41e4962ce1480049c189ccdff906536326d401e13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8537edb823db6e520eacbbc41e4962ce1480049c189ccdff906536326d401e13", kill_on_drop: false }`
[INFO] [stdout] 8537edb823db6e520eacbbc41e4962ce1480049c189ccdff906536326d401e13