[INFO] cloning repository https://github.com/TinBryn/lox.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TinBryn/lox.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTinBryn%2Flox.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTinBryn%2Flox.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] abae7bbf3e26369e7d62f055caac04af672d8e85
[INFO] checking TinBryn/lox.rs against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTinBryn%2Flox.rs" "/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/TinBryn/lox.rs 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/TinBryn/lox.rs
[INFO] finished tweaking git repo https://github.com/TinBryn/lox.rs
[INFO] tweaked toml for git repo https://github.com/TinBryn/lox.rs written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/TinBryn/lox.rs 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] 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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 015ea9dadf4f394dcbaed0052db5ef4889a5dd3a8d68a112c3c31157bb90a91a
[INFO] running `Command { std: "docker" "start" "-a" "015ea9dadf4f394dcbaed0052db5ef4889a5dd3a8d68a112c3c31157bb90a91a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "015ea9dadf4f394dcbaed0052db5ef4889a5dd3a8d68a112c3c31157bb90a91a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "015ea9dadf4f394dcbaed0052db5ef4889a5dd3a8d68a112c3c31157bb90a91a", kill_on_drop: false }`
[INFO] [stdout] 015ea9dadf4f394dcbaed0052db5ef4889a5dd3a8d68a112c3c31157bb90a91a
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a338c92b4306f48657c76cf9f4dce29e9057052c0587a0f8b57080920536cbee
[INFO] running `Command { std: "docker" "start" "-a" "a338c92b4306f48657c76cf9f4dce29e9057052c0587a0f8b57080920536cbee", kill_on_drop: false }`
[INFO] [stderr]     Checking lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `row` and `col` are never read
[INFO] [stdout]    --> src/token.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub struct TokenMeta {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 144 |     pub row: usize,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 145 |     pub col: usize,
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TokenMeta` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `meta` is never read
[INFO] [stdout]    --> src/token.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 149 | pub struct Token {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] 150 |     pub kind: TokenKind,
[INFO] [stdout] 151 |     pub meta: TokenMeta,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `row` and `col` are never read
[INFO] [stdout]    --> src/token.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub struct TokenMeta {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 144 |     pub row: usize,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 145 |     pub col: usize,
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TokenMeta` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `meta` is never read
[INFO] [stdout]    --> src/token.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 149 | pub struct Token {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] 150 |     pub kind: TokenKind,
[INFO] [stdout] 151 |     pub meta: TokenMeta,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings 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 0.34s
[INFO] running `Command { std: "docker" "inspect" "a338c92b4306f48657c76cf9f4dce29e9057052c0587a0f8b57080920536cbee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a338c92b4306f48657c76cf9f4dce29e9057052c0587a0f8b57080920536cbee", kill_on_drop: false }`
[INFO] [stdout] a338c92b4306f48657c76cf9f4dce29e9057052c0587a0f8b57080920536cbee
[INFO] checking TinBryn/lox.rs against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTinBryn%2Flox.rs" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TinBryn/lox.rs 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/TinBryn/lox.rs
[INFO] finished tweaking git repo https://github.com/TinBryn/lox.rs
[INFO] tweaked toml for git repo https://github.com/TinBryn/lox.rs written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/TinBryn/lox.rs 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e8eb79605c30efd293cb6ab615d31b411b5373a38903fc3701835fe6590482fd
[INFO] running `Command { std: "docker" "start" "-a" "e8eb79605c30efd293cb6ab615d31b411b5373a38903fc3701835fe6590482fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8eb79605c30efd293cb6ab615d31b411b5373a38903fc3701835fe6590482fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8eb79605c30efd293cb6ab615d31b411b5373a38903fc3701835fe6590482fd", kill_on_drop: false }`
[INFO] [stdout] e8eb79605c30efd293cb6ab615d31b411b5373a38903fc3701835fe6590482fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] fb50d995f9ce5713b693074393172ed07047777773c7bb65c1e897a0963344e6
[INFO] running `Command { std: "docker" "start" "-a" "fb50d995f9ce5713b693074393172ed07047777773c7bb65c1e897a0963344e6", kill_on_drop: false }`
[INFO] [stderr]     Checking lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `row` and `col` are never read
[INFO] [stdout]    --> src/token.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub struct TokenMeta {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 144 |     pub row: usize,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 145 |     pub col: usize,
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TokenMeta` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `meta` is never read
[INFO] [stdout]    --> src/token.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 149 | pub struct Token {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] 150 |     pub kind: TokenKind,
[INFO] [stdout] 151 |     pub meta: TokenMeta,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `row` and `col` are never read
[INFO] [stdout]    --> src/token.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub struct TokenMeta {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 144 |     pub row: usize,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 145 |     pub col: usize,
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TokenMeta` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `meta` is never read
[INFO] [stdout]    --> src/token.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 149 | pub struct Token {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] 150 |     pub kind: TokenKind,
[INFO] [stdout] 151 |     pub meta: TokenMeta,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "fb50d995f9ce5713b693074393172ed07047777773c7bb65c1e897a0963344e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb50d995f9ce5713b693074393172ed07047777773c7bb65c1e897a0963344e6", kill_on_drop: false }`
[INFO] [stdout] fb50d995f9ce5713b693074393172ed07047777773c7bb65c1e897a0963344e6