[INFO] cloning repository https://github.com/TheFlies/rust-kaleidoscope
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheFlies/rust-kaleidoscope" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheFlies%2Frust-kaleidoscope", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheFlies%2Frust-kaleidoscope'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d2f70b6377b32fd742d63e48e8a52e18ab6615b
[INFO] checking TheFlies/rust-kaleidoscope against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheFlies%2Frust-kaleidoscope" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheFlies/rust-kaleidoscope on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TheFlies/rust-kaleidoscope
[INFO] finished tweaking git repo https://github.com/TheFlies/rust-kaleidoscope
[INFO] tweaked toml for git repo https://github.com/TheFlies/rust-kaleidoscope written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/TheFlies/rust-kaleidoscope 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2499dc72055c8064dbe19b9aa1b9cf27b488ef54403a94cf123bc9fc0f161b85
[INFO] running `Command { std: "docker" "start" "-a" "2499dc72055c8064dbe19b9aa1b9cf27b488ef54403a94cf123bc9fc0f161b85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2499dc72055c8064dbe19b9aa1b9cf27b488ef54403a94cf123bc9fc0f161b85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2499dc72055c8064dbe19b9aa1b9cf27b488ef54403a94cf123bc9fc0f161b85", kill_on_drop: false }`
[INFO] [stdout] 2499dc72055c8064dbe19b9aa1b9cf27b488ef54403a94cf123bc9fc0f161b85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f73e1c63a1501cf62663ce38475715aed54f7a9217935d8e0707148320ca4ab
[INFO] running `Command { std: "docker" "start" "-a" "6f73e1c63a1501cf62663ce38475715aed54f7a9217935d8e0707148320ca4ab", kill_on_drop: false }`
[INFO] [stderr]     Checking rkaley v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `source` is never read
[INFO] [stdout]   --> src/lexer.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Lexer<'a> {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 27 |     chars: Peekable<Chars<'a>>,
[INFO] [stdout] 28 |     source: &'a str,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Lexer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `source` is never read
[INFO] [stdout]   --> src/lexer.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Lexer<'a> {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 27 |     chars: Peekable<Chars<'a>>,
[INFO] [stdout] 28 |     source: &'a str,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Lexer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rkaley::lexer::Lexer`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rkaley::lexer::Lexer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rkaley::lexer::Lexer`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rkaley::lexer::Lexer;
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "6f73e1c63a1501cf62663ce38475715aed54f7a9217935d8e0707148320ca4ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f73e1c63a1501cf62663ce38475715aed54f7a9217935d8e0707148320ca4ab", kill_on_drop: false }`
[INFO] [stdout] 6f73e1c63a1501cf62663ce38475715aed54f7a9217935d8e0707148320ca4ab
[INFO] checking TheFlies/rust-kaleidoscope against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheFlies%2Frust-kaleidoscope" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheFlies/rust-kaleidoscope on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TheFlies/rust-kaleidoscope
[INFO] finished tweaking git repo https://github.com/TheFlies/rust-kaleidoscope
[INFO] tweaked toml for git repo https://github.com/TheFlies/rust-kaleidoscope written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/TheFlies/rust-kaleidoscope 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 028cd79574c455120d1277fdabea7d642c58666c2adce623ad15c03ed1f0c33e
[INFO] running `Command { std: "docker" "start" "-a" "028cd79574c455120d1277fdabea7d642c58666c2adce623ad15c03ed1f0c33e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "028cd79574c455120d1277fdabea7d642c58666c2adce623ad15c03ed1f0c33e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "028cd79574c455120d1277fdabea7d642c58666c2adce623ad15c03ed1f0c33e", kill_on_drop: false }`
[INFO] [stdout] 028cd79574c455120d1277fdabea7d642c58666c2adce623ad15c03ed1f0c33e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ba0fea5cdb62b52b74216321f5be47ef29edb894bd56588437efb42c87c4e9c
[INFO] running `Command { std: "docker" "start" "-a" "8ba0fea5cdb62b52b74216321f5be47ef29edb894bd56588437efb42c87c4e9c", kill_on_drop: false }`
[INFO] [stderr]     Checking rkaley v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `source` is never read
[INFO] [stdout]   --> src/lexer.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Lexer<'a> {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 27 |     chars: Peekable<Chars<'a>>,
[INFO] [stdout] 28 |     source: &'a str,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Lexer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `source` is never read
[INFO] [stdout]   --> src/lexer.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Lexer<'a> {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 27 |     chars: Peekable<Chars<'a>>,
[INFO] [stdout] 28 |     source: &'a str,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Lexer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rkaley::lexer::Lexer`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rkaley::lexer::Lexer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rkaley::lexer::Lexer`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rkaley::lexer::Lexer;
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "8ba0fea5cdb62b52b74216321f5be47ef29edb894bd56588437efb42c87c4e9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ba0fea5cdb62b52b74216321f5be47ef29edb894bd56588437efb42c87c4e9c", kill_on_drop: false }`
[INFO] [stdout] 8ba0fea5cdb62b52b74216321f5be47ef29edb894bd56588437efb42c87c4e9c