[INFO] fetching crate carbon-assembler 1.6.7...
[INFO] checking carbon-assembler-1.6.7 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate carbon-assembler 1.6.7 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate carbon-assembler 1.6.7
[INFO] finished tweaking crates.io crate carbon-assembler 1.6.7
[INFO] tweaked toml for crates.io crate carbon-assembler 1.6.7 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate carbon-assembler 1.6.7 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate carbon-assembler 1.6.7 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap v4.3.15
[INFO] [stderr]   Downloaded clap_builder v4.3.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 449f560495d653a3992bf7e6d816dc864ae60adf0d5a9544d2008015ab1cb00c
[INFO] running `Command { std: "docker" "start" "-a" "449f560495d653a3992bf7e6d816dc864ae60adf0d5a9544d2008015ab1cb00c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "449f560495d653a3992bf7e6d816dc864ae60adf0d5a9544d2008015ab1cb00c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "449f560495d653a3992bf7e6d816dc864ae60adf0d5a9544d2008015ab1cb00c", kill_on_drop: false }`
[INFO] [stdout] 449f560495d653a3992bf7e6d816dc864ae60adf0d5a9544d2008015ab1cb00c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4aa421b00facfbd27bca543b399c8eaf810caa8b0a51ed9695baa6ff7b84a258
[INFO] running `Command { std: "docker" "start" "-a" "4aa421b00facfbd27bca543b399c8eaf810caa8b0a51ed9695baa6ff7b84a258", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling rustix v0.38.4
[INFO] [stderr]     Checking linux-raw-sys v0.4.3
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]    Compiling quote v1.0.31
[INFO] [stderr]    Compiling syn v2.0.26
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking clap_builder v4.3.15
[INFO] [stderr]    Compiling logos-codegen v0.13.0
[INFO] [stderr]    Compiling clap_derive v4.3.12
[INFO] [stderr]    Compiling logos-derive v0.13.0
[INFO] [stderr]     Checking logos v0.13.0
[INFO] [stderr]     Checking clap v4.3.15
[INFO] [stderr]     Checking carbon-assembler v1.6.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/backend/assembler.rs:99:33
[INFO] [stdout]    |
[INFO] [stdout] 99 | ...                   _ => unreachable!()
[INFO] [stdout]    |                       ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/backend/assembler.rs:99:33
[INFO] [stdout]    |
[INFO] [stdout] 92 | ...                   CarbonOperand::Cond(c) => word |= write_cond(c),
[INFO] [stdout]    |                       ---------------------- matches some of the same values
[INFO] [stdout] 93 | ...                   CarbonOperand::Reg(r) => word |= r,
[INFO] [stdout]    |                       --------------------- matches some of the same values
[INFO] [stdout] 94 | ...                   CarbonOperand::JmpAddr(a) => {
[INFO] [stdout]    |                       ------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 98 | ...                   CarbonOperand::Label(_) => (),
[INFO] [stdout]    |                       ----------------------- matches some of the same values
[INFO] [stdout] 99 | ...                   _ => unreachable!()
[INFO] [stdout]    |                       ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/backend/assembler.rs:99:33
[INFO] [stdout]    |
[INFO] [stdout] 99 | ...                   _ => unreachable!()
[INFO] [stdout]    |                       ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/backend/assembler.rs:99:33
[INFO] [stdout]    |
[INFO] [stdout] 92 | ...                   CarbonOperand::Cond(c) => word |= write_cond(c),
[INFO] [stdout]    |                       ---------------------- matches some of the same values
[INFO] [stdout] 93 | ...                   CarbonOperand::Reg(r) => word |= r,
[INFO] [stdout]    |                       --------------------- matches some of the same values
[INFO] [stdout] 94 | ...                   CarbonOperand::JmpAddr(a) => {
[INFO] [stdout]    |                       ------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 98 | ...                   CarbonOperand::Label(_) => (),
[INFO] [stdout]    |                       ----------------------- matches some of the same values
[INFO] [stdout] 99 | ...                   _ => unreachable!()
[INFO] [stdout]    |                       ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pos` is never used
[INFO] [stdout]   --> src/frontend/parser.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl TokenBuffer {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn pos(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pos` is never used
[INFO] [stdout]   --> src/frontend/parser.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl TokenBuffer {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn pos(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 42.59s
[INFO] running `Command { std: "docker" "inspect" "4aa421b00facfbd27bca543b399c8eaf810caa8b0a51ed9695baa6ff7b84a258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aa421b00facfbd27bca543b399c8eaf810caa8b0a51ed9695baa6ff7b84a258", kill_on_drop: false }`
[INFO] [stdout] 4aa421b00facfbd27bca543b399c8eaf810caa8b0a51ed9695baa6ff7b84a258