[INFO] cloning repository https://github.com/kinseytamsin/rlox [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kinseytamsin/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkinseytamsin%2Frlox", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkinseytamsin%2Frlox'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 16a135c1689fcaa4f2e7e4dd708630fee87ebe61 [INFO] checking kinseytamsin/rlox against master#b286722878e18db29a7fbe672be7c4d3b02e8e4d for pr-127655 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkinseytamsin%2Frlox" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kinseytamsin/rlox on toolchain b286722878e18db29a7fbe672be7c4d3b02e8e4d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kinseytamsin/rlox [INFO] finished tweaking git repo https://github.com/kinseytamsin/rlox [INFO] tweaked toml for git repo https://github.com/kinseytamsin/rlox written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/kinseytamsin/rlox 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" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking kinseytamsin/rlox against try#6a5749073f2ebf59d7740d30e50a932a85756ee7 for pr-127655 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkinseytamsin%2Frlox" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kinseytamsin/rlox on toolchain 6a5749073f2ebf59d7740d30e50a932a85756ee7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kinseytamsin/rlox [INFO] finished tweaking git repo https://github.com/kinseytamsin/rlox [INFO] tweaked toml for git repo https://github.com/kinseytamsin/rlox written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/kinseytamsin/rlox 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" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking kinseytamsin/rlox against try#6a5749073f2ebf59d7740d30e50a932a85756ee7 for pr-127655 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkinseytamsin%2Frlox" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kinseytamsin/rlox on toolchain 6a5749073f2ebf59d7740d30e50a932a85756ee7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kinseytamsin/rlox [INFO] finished tweaking git repo https://github.com/kinseytamsin/rlox [INFO] tweaked toml for git repo https://github.com/kinseytamsin/rlox written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/kinseytamsin/rlox 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" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded thiserror-impl v1.0.9 [INFO] [stderr] Downloaded thiserror v1.0.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 32af12b74d92e6cd6e62c4ef6ec7104e4f020fff49a780923e5c63f5294da86d [INFO] running `Command { std: "docker" "start" "-a" "32af12b74d92e6cd6e62c4ef6ec7104e4f020fff49a780923e5c63f5294da86d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "32af12b74d92e6cd6e62c4ef6ec7104e4f020fff49a780923e5c63f5294da86d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32af12b74d92e6cd6e62c4ef6ec7104e4f020fff49a780923e5c63f5294da86d", kill_on_drop: false }` [INFO] [stdout] 32af12b74d92e6cd6e62c4ef6ec7104e4f020fff49a780923e5c63f5294da86d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 51d25602a5b5375899c63873ede2d43d42868d673c01fd71bc9932befa733760 [INFO] running `Command { std: "docker" "start" "-a" "51d25602a5b5375899c63873ede2d43d42868d673c01fd71bc9932befa733760", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.7 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.12 [INFO] [stderr] Compiling anyhow v1.0.26 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking unicode-xid v0.1.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking unicode-segmentation v1.6.0 [INFO] [stderr] Checking heck v0.3.1 [INFO] [stderr] Checking quote v0.6.13 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking generate-ast v0.1.0 (/opt/rustwide/workdir/tool/generate-ast) [INFO] [stderr] Compiling thiserror-impl v1.0.9 [INFO] [stderr] Checking thiserror v1.0.9 [INFO] [stderr] Checking rlox v0.1.0 (/opt/rustwide/workdir/rlox) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> rlox/src/token.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | String(&'a str), [INFO] [stdout] | ------ ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Literal` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 26 | String(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> rlox/src/token.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | String(&'a str), [INFO] [stdout] | ------ ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Literal` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 26 | String(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> rlox/src/token.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | Number(f64), [INFO] [stdout] | ------ ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Literal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 27 | Number(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `kind`, `lexeme`, `literal`, and `line` are never read [INFO] [stdout] --> rlox/src/token.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 31 | pub struct Token<'a> { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 32 | kind: TokenKind, [INFO] [stdout] | ^^^^ [INFO] [stdout] 33 | lexeme: &'a str, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 34 | literal: Option>, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 35 | line: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> rlox/src/token.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | Number(f64), [INFO] [stdout] | ------ ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Literal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 27 | Number(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `kind`, `lexeme`, `literal`, and `line` are never read [INFO] [stdout] --> rlox/src/token.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 31 | pub struct Token<'a> { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 32 | kind: TokenKind, [INFO] [stdout] | ^^^^ [INFO] [stdout] 33 | lexeme: &'a str, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 34 | literal: Option>, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 35 | line: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.96s [INFO] running `Command { std: "docker" "inspect" "51d25602a5b5375899c63873ede2d43d42868d673c01fd71bc9932befa733760", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51d25602a5b5375899c63873ede2d43d42868d673c01fd71bc9932befa733760", kill_on_drop: false }` [INFO] [stdout] 51d25602a5b5375899c63873ede2d43d42868d673c01fd71bc9932befa733760