[INFO] cloning repository https://github.com/z78078/squeeze [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/z78078/squeeze" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fz78078%2Fsqueeze", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fz78078%2Fsqueeze'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 36de2ab032f4fc6c9d2c5d5614f1781df9a258d9 [INFO] checking z78078/squeeze against master#69a5d2481e856a5a18885390b8cf6950b9ff8dd3 for pr-96376 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fz78078%2Fsqueeze" "/workspace/builds/worker-91/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-91/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/z78078/squeeze on toolchain 69a5d2481e856a5a18885390b8cf6950b9ff8dd3 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+69a5d2481e856a5a18885390b8cf6950b9ff8dd3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/z78078/squeeze [INFO] finished tweaking git repo https://github.com/z78078/squeeze [INFO] tweaked toml for git repo https://github.com/z78078/squeeze written to /workspace/builds/worker-91/source/Cargo.toml [INFO] crate git repo https://github.com/z78078/squeeze already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+69a5d2481e856a5a18885390b8cf6950b9ff8dd3" "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-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+69a5d2481e856a5a18885390b8cf6950b9ff8dd3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bb54f52cf1b9d10c59725c8db301cb4cff04bc052aac0f02d09502394fefa9d3 [INFO] running `Command { std: "docker" "start" "-a" "bb54f52cf1b9d10c59725c8db301cb4cff04bc052aac0f02d09502394fefa9d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bb54f52cf1b9d10c59725c8db301cb4cff04bc052aac0f02d09502394fefa9d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb54f52cf1b9d10c59725c8db301cb4cff04bc052aac0f02d09502394fefa9d3", kill_on_drop: false }` [INFO] [stdout] bb54f52cf1b9d10c59725c8db301cb4cff04bc052aac0f02d09502394fefa9d3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+69a5d2481e856a5a18885390b8cf6950b9ff8dd3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 97371e85a0e257afd0dae0417d882263092adb0afc2c682eb6bc989f1484e234 [INFO] running `Command { std: "docker" "start" "-a" "97371e85a0e257afd0dae0417d882263092adb0afc2c682eb6bc989f1484e234", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.88 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling libc v0.2.117 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling clap_derive v3.1.4 [INFO] [stderr] Checking clap v3.1.6 [INFO] [stderr] Checking squeeze v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 34.51s [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/compressor/lz77.rs:5:24 [INFO] [stdout] | [INFO] [stdout] 5 | fn compress(&self, input: &[u8]) [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/compressor/lz77.rs:11:26 [INFO] [stdout] | [INFO] [stdout] 11 | fn uncompress(&self, input: &[u8]) [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/compressor/lz77.rs:5:24 [INFO] [stdout] | [INFO] [stdout] 5 | fn compress(&self, input: &[u8]) [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/compressor/lz77.rs:11:26 [INFO] [stdout] | [INFO] [stdout] 11 | fn uncompress(&self, input: &[u8]) [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [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] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/compressor/lz77.rs:5:24 [INFO] [stdout] | [INFO] [stdout] 5 | fn compress(&self, input: &[u8]) [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/compressor/lz77.rs:5:24 [INFO] [stdout] | [INFO] [stdout] 5 | fn compress(&self, input: &[u8]) [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/compressor/lz77.rs:11:26 [INFO] [stdout] | [INFO] [stdout] 11 | fn uncompress(&self, input: &[u8]) [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/compressor/lz77.rs:11:26 [INFO] [stdout] | [INFO] [stdout] 11 | fn uncompress(&self, input: &[u8]) [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [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] running `Command { std: "docker" "inspect" "97371e85a0e257afd0dae0417d882263092adb0afc2c682eb6bc989f1484e234", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "97371e85a0e257afd0dae0417d882263092adb0afc2c682eb6bc989f1484e234", kill_on_drop: false }` [INFO] [stdout] 97371e85a0e257afd0dae0417d882263092adb0afc2c682eb6bc989f1484e234