[INFO] cloning repository https://github.com/jtran/liquid-lox [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jtran/liquid-lox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtran%2Fliquid-lox", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtran%2Fliquid-lox'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3c700da2c39f26f6aa33d85dca84afdf966ac316 [INFO] checking jtran/liquid-lox against master#c29082fe7dc6e902169cacbae165562a7e4a1fd6 for pr-120805 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtran%2Fliquid-lox" "/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/jtran/liquid-lox on toolchain c29082fe7dc6e902169cacbae165562a7e4a1fd6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c29082fe7dc6e902169cacbae165562a7e4a1fd6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jtran/liquid-lox [INFO] finished tweaking git repo https://github.com/jtran/liquid-lox [INFO] tweaked toml for git repo https://github.com/jtran/liquid-lox written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/jtran/liquid-lox 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" "+c29082fe7dc6e902169cacbae165562a7e4a1fd6" "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 jtran/liquid-lox against try#a76cc2633df38feca72f20156e7d9e4b074337f3 for pr-120805 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtran%2Fliquid-lox" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jtran/liquid-lox on toolchain a76cc2633df38feca72f20156e7d9e4b074337f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a76cc2633df38feca72f20156e7d9e4b074337f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jtran/liquid-lox [INFO] finished tweaking git repo https://github.com/jtran/liquid-lox [INFO] tweaked toml for git repo https://github.com/jtran/liquid-lox written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/jtran/liquid-lox 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" "+a76cc2633df38feca72f20156e7d9e4b074337f3" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+a76cc2633df38feca72f20156e7d9e4b074337f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ea9981bb38d910b795520049a84482050283233ee0871fefb01d21afde86b332 [INFO] running `Command { std: "docker" "start" "-a" "ea9981bb38d910b795520049a84482050283233ee0871fefb01d21afde86b332", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ea9981bb38d910b795520049a84482050283233ee0871fefb01d21afde86b332", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea9981bb38d910b795520049a84482050283233ee0871fefb01d21afde86b332", kill_on_drop: false }` [INFO] [stdout] ea9981bb38d910b795520049a84482050283233ee0871fefb01d21afde86b332 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+a76cc2633df38feca72f20156e7d9e4b074337f3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 65383557c77374ae864243eea50c1df17606f5b934c3929d30d424cf6cd5831d [INFO] running `Command { std: "docker" "start" "-a" "65383557c77374ae864243eea50c1df17606f5b934c3929d30d424cf6cd5831d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling syn v1.0.71 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking argparse v0.2.2 [INFO] [stderr] Checking unicode-segmentation v1.3.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling num-derive v0.3.3 [INFO] [stderr] Checking lox v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/resolver.rs:485:26 [INFO] [stdout] | [INFO] [stdout] 485 | .and_modify(|mut state| { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/resolver.rs:523:26 [INFO] [stdout] | [INFO] [stdout] 523 | .and_modify(|mut state| { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/vm.rs:129:13 [INFO] [stdout] | [INFO] [stdout] 129 | let mut frame = &mut self.frames[frames_len - 1]; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `slots` is never read [INFO] [stdout] --> src/vm.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 28 | pub struct CallFrame { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 31 | slots: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CallFrame` 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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/resolver.rs:485:26 [INFO] [stdout] | [INFO] [stdout] 485 | .and_modify(|mut state| { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/resolver.rs:523:26 [INFO] [stdout] | [INFO] [stdout] 523 | .and_modify(|mut state| { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/vm.rs:129:13 [INFO] [stdout] | [INFO] [stdout] 129 | let mut frame = &mut self.frames[frames_len - 1]; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `slots` is never read [INFO] [stdout] --> src/vm.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 28 | pub struct CallFrame { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 31 | slots: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CallFrame` 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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.92s [INFO] running `Command { std: "docker" "inspect" "65383557c77374ae864243eea50c1df17606f5b934c3929d30d424cf6cd5831d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65383557c77374ae864243eea50c1df17606f5b934c3929d30d424cf6cd5831d", kill_on_drop: false }` [INFO] [stdout] 65383557c77374ae864243eea50c1df17606f5b934c3929d30d424cf6cd5831d