[INFO] cloning repository https://github.com/cbiffle/uf2l [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cbiffle/uf2l" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbiffle%2Fuf2l", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbiffle%2Fuf2l'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c983c9931a0170fbffa491f1207a74a1e532ba1a [INFO] checking cbiffle/uf2l against master#8424f8e8cdf07010967a57584fd647b30e930d4d for pr-120095 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbiffle%2Fuf2l" "/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/cbiffle/uf2l on toolchain 8424f8e8cdf07010967a57584fd647b30e930d4d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cbiffle/uf2l [INFO] finished tweaking git repo https://github.com/cbiffle/uf2l [INFO] tweaked toml for git repo https://github.com/cbiffle/uf2l written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/cbiffle/uf2l 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" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "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 cbiffle/uf2l against try#047472f299946caf090d1b5608ae4bd9f0416256+rustflags=-Ddereferencing_mut_binding for pr-120095 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbiffle%2Fuf2l" "/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/cbiffle/uf2l on toolchain 047472f299946caf090d1b5608ae4bd9f0416256 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cbiffle/uf2l [INFO] finished tweaking git repo https://github.com/cbiffle/uf2l [INFO] tweaked toml for git repo https://github.com/cbiffle/uf2l written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/cbiffle/uf2l 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" "+047472f299946caf090d1b5608ae4bd9f0416256" "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 goblin v0.5.1 [INFO] [stderr] Downloaded zerocopy-derive v0.3.1 [INFO] [stderr] Downloaded sysinfo v0.23.12 [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" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 61514c96b758af1740ee140e95461c0705cb9839441e0243fca7ccdec8a839c0 [INFO] running `Command { std: "docker" "start" "-a" "61514c96b758af1740ee140e95461c0705cb9839441e0243fca7ccdec8a839c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "61514c96b758af1740ee140e95461c0705cb9839441e0243fca7ccdec8a839c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "61514c96b758af1740ee140e95461c0705cb9839441e0243fca7ccdec8a839c0", kill_on_drop: false }` [INFO] [stdout] 61514c96b758af1740ee140e95461c0705cb9839441e0243fca7ccdec8a839c0 [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 -Ddereferencing_mut_binding" "-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" "+047472f299946caf090d1b5608ae4bd9f0416256" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5050d8c3f36bd30a244015cf338b0128d5edcedfe267d47f7182f82e68359e34 [INFO] running `Command { std: "docker" "start" "-a" "5050d8c3f36bd30a244015cf338b0128d5edcedfe267d47f7182f82e68359e34", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.38 [INFO] [stderr] Compiling unicode-xid v0.2.3 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling syn v1.0.93 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling libc v0.2.125 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling serde_derive v1.0.137 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Compiling rayon-core v1.9.3 [INFO] [stderr] Compiling serde_json v1.0.81 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling itoa v1.0.2 [INFO] [stderr] Compiling ryu v1.0.10 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Compiling anyhow v1.0.57 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Compiling sysinfo v0.23.12 [INFO] [stderr] Checking clap_lex v0.2.0 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.8 [INFO] [stderr] Compiling indexmap v1.8.1 [INFO] [stderr] Compiling rayon v1.5.3 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking once_cell v1.11.0 [INFO] [stderr] Checking plain v0.2.3 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking crossbeam-channel v0.5.4 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling scroll_derive v0.11.0 [INFO] [stderr] Compiling zerocopy-derive v0.3.1 [INFO] [stderr] Compiling clap_derive v3.1.18 [INFO] [stderr] Checking scroll v0.11.0 [INFO] [stderr] Checking zerocopy v0.6.1 [INFO] [stderr] Checking goblin v0.5.1 [INFO] [stderr] Checking clap v3.1.18 [INFO] [stderr] Compiling uf2l v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `global` [INFO] [stdout] --> src/main.rs:643:5 [INFO] [stdout] | [INFO] [stdout] 643 | global: &GlobalFlags, [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_global` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `global` [INFO] [stdout] --> src/main.rs:643:5 [INFO] [stdout] | [INFO] [stdout] 643 | global: &GlobalFlags, [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_global` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.34s [INFO] running `Command { std: "docker" "inspect" "5050d8c3f36bd30a244015cf338b0128d5edcedfe267d47f7182f82e68359e34", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5050d8c3f36bd30a244015cf338b0128d5edcedfe267d47f7182f82e68359e34", kill_on_drop: false }` [INFO] [stdout] 5050d8c3f36bd30a244015cf338b0128d5edcedfe267d47f7182f82e68359e34