[INFO] cloning repository https://github.com/aQaTL/lox-v2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aQaTL/lox-v2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FaQaTL%2Flox-v2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FaQaTL%2Flox-v2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] adda3f916e9ac7623d634b7f74938dbdd5249da7
[INFO] checking aQaTL/lox-v2/adda3f916e9ac7623d634b7f74938dbdd5249da7 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FaQaTL%2Flox-v2" "/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/aQaTL/lox-v2 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/aQaTL/lox-v2
[INFO] finished tweaking git repo https://github.com/aQaTL/lox-v2
[INFO] tweaked toml for git repo https://github.com/aQaTL/lox-v2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/aQaTL/lox-v2 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] 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] a2b6c64b4aff58d24e4f9c47de6958aefb74b2f1e0efc0396b4a40c9ffca909c
[INFO] running `Command { std: "docker" "start" "-a" "a2b6c64b4aff58d24e4f9c47de6958aefb74b2f1e0efc0396b4a40c9ffca909c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2b6c64b4aff58d24e4f9c47de6958aefb74b2f1e0efc0396b4a40c9ffca909c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2b6c64b4aff58d24e4f9c47de6958aefb74b2f1e0efc0396b4a40c9ffca909c", kill_on_drop: false }`
[INFO] [stdout] a2b6c64b4aff58d24e4f9c47de6958aefb74b2f1e0efc0396b4a40c9ffca909c
[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] db06a78b5a4fff13d3fa123191494d488ffafa8f0879ca7433969913fe14d8aa
[INFO] running `Command { std: "docker" "start" "-a" "db06a78b5a4fff13d3fa123191494d488ffafa8f0879ca7433969913fe14d8aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling thiserror v1.0.47
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]    Compiling thiserror-impl v1.0.47
[INFO] [stderr]     Checking lox-v2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/vm.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 166 | ...                   (ObjectKind::String, ObjectKind::String) => {
[INFO] [stdout]     |                       ---------------------------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 173 | ...                   _ => {
[INFO] [stdout]     |                       ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `debug` is never read
[INFO] [stdout]   --> src/compiler.rs:48:2
[INFO] [stdout]    |
[INFO] [stdout] 45 | struct Compiler<'a, 'b, 'c> {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 48 |     debug: bool,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/vm.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 166 | ...                   (ObjectKind::String, ObjectKind::String) => {
[INFO] [stdout]     |                       ---------------------------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 173 | ...                   _ => {
[INFO] [stdout]     |                       ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `debug` is never read
[INFO] [stdout]   --> src/compiler.rs:48:2
[INFO] [stdout]    |
[INFO] [stdout] 45 | struct Compiler<'a, 'b, 'c> {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 48 |     debug: bool,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.82s
[INFO] running `Command { std: "docker" "inspect" "db06a78b5a4fff13d3fa123191494d488ffafa8f0879ca7433969913fe14d8aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db06a78b5a4fff13d3fa123191494d488ffafa8f0879ca7433969913fe14d8aa", kill_on_drop: false }`
[INFO] [stdout] db06a78b5a4fff13d3fa123191494d488ffafa8f0879ca7433969913fe14d8aa