[INFO] cloning repository https://github.com/cpdean/gzip_simulator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cpdean/gzip_simulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcpdean%2Fgzip_simulator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcpdean%2Fgzip_simulator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 64e3baccf0f914fee4175e0494e83af83e218a6c [INFO] checking cpdean/gzip_simulator against try#b32fc44666c052e7cf07ab471bfb6f9ec571902f for pr-138676 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcpdean%2Fgzip_simulator" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cpdean/gzip_simulator on toolchain b32fc44666c052e7cf07ab471bfb6f9ec571902f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cpdean/gzip_simulator [INFO] finished tweaking git repo https://github.com/cpdean/gzip_simulator [INFO] tweaked toml for git repo https://github.com/cpdean/gzip_simulator written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/cpdean/gzip_simulator 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" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "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 cpdean/gzip_simulator against try#b32fc44666c052e7cf07ab471bfb6f9ec571902f for pr-138676 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcpdean%2Fgzip_simulator" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cpdean/gzip_simulator on toolchain b32fc44666c052e7cf07ab471bfb6f9ec571902f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cpdean/gzip_simulator [INFO] finished tweaking git repo https://github.com/cpdean/gzip_simulator [INFO] tweaked toml for git repo https://github.com/cpdean/gzip_simulator written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/cpdean/gzip_simulator 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" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "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] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7707f7215811db34407e8177408781997a1c9b399bc4f0b86a5ef825bbcdc851 [INFO] running `Command { std: "docker" "start" "-a" "7707f7215811db34407e8177408781997a1c9b399bc4f0b86a5ef825bbcdc851", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7707f7215811db34407e8177408781997a1c9b399bc4f0b86a5ef825bbcdc851", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7707f7215811db34407e8177408781997a1c9b399bc4f0b86a5ef825bbcdc851", kill_on_drop: false }` [INFO] [stdout] 7707f7215811db34407e8177408781997a1c9b399bc4f0b86a5ef825bbcdc851 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a3036408e71ab518d1f04f9b05082904e68b5727154c62043460b513c295cf15 [INFO] running `Command { std: "docker" "start" "-a" "a3036408e71ab518d1f04f9b05082904e68b5727154c62043460b513c295cf15", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.48 [INFO] [stderr] Checking termion v1.5.1 [INFO] [stderr] Checking gunzip_simulator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:13:40 [INFO] [stdout] | [INFO] [stdout] 13 | type Result = result::Result>; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 13 | type Result = result::Result>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `GzipComponent::*` [INFO] [stdout] --> src/main.rs:242:13 [INFO] [stdout] | [INFO] [stdout] 242 | use GzipComponent::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:13:40 [INFO] [stdout] | [INFO] [stdout] 13 | type Result = result::Result>; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 13 | type Result = result::Result>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:139:17 [INFO] [stdout] | [INFO] [stdout] 129 | break; [INFO] [stdout] | ----- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 139 | in_match = false; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:139:17 [INFO] [stdout] | [INFO] [stdout] 129 | break; [INFO] [stdout] | ----- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 139 | in_match = false; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `current_byte_to_find` is never read [INFO] [stdout] --> src/main.rs:52:17 [INFO] [stdout] | [INFO] [stdout] 52 | let mut current_byte_to_find = bytes[read_position]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `current_byte_to_find` is never read [INFO] [stdout] --> src/main.rs:52:17 [INFO] [stdout] | [INFO] [stdout] 52 | let mut current_byte_to_find = bytes[read_position]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get` is never used [INFO] [stdout] --> src/main.rs:168:12 [INFO] [stdout] | [INFO] [stdout] 26 | impl Gzipped { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 168 | pub fn get(&self, index: usize) -> Option> { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get` is never used [INFO] [stdout] --> src/main.rs:168:12 [INFO] [stdout] | [INFO] [stdout] 26 | impl Gzipped { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 168 | pub fn get(&self, index: usize) -> Option> { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_printing` is never used [INFO] [stdout] --> src/main.rs:225:8 [INFO] [stdout] | [INFO] [stdout] 225 | fn test_printing() -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_byte_getter` is never used [INFO] [stdout] --> src/main.rs:334:8 [INFO] [stdout] | [INFO] [stdout] 334 | fn test_byte_getter() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.41s [INFO] running `Command { std: "docker" "inspect" "a3036408e71ab518d1f04f9b05082904e68b5727154c62043460b513c295cf15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3036408e71ab518d1f04f9b05082904e68b5727154c62043460b513c295cf15", kill_on_drop: false }` [INFO] [stdout] a3036408e71ab518d1f04f9b05082904e68b5727154c62043460b513c295cf15