[INFO] cloning repository https://github.com/pmsanford/arithmetic-coding [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pmsanford/arithmetic-coding" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmsanford%2Farithmetic-coding", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmsanford%2Farithmetic-coding'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d16d496585f02aeef6aa9b56abb3896cd441e3d5 [INFO] checking pmsanford/arithmetic-coding against master#5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea for pr-124336 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmsanford%2Farithmetic-coding" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pmsanford/arithmetic-coding on toolchain 5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/pmsanford/arithmetic-coding [INFO] finished tweaking git repo https://github.com/pmsanford/arithmetic-coding [INFO] tweaked toml for git repo https://github.com/pmsanford/arithmetic-coding written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/pmsanford/arithmetic-coding 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" "+5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea" "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 pmsanford/arithmetic-coding against try#311f8b6ca41358db8ae08490a9ca0916f11e9de3 for pr-124336 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmsanford%2Farithmetic-coding" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pmsanford/arithmetic-coding on toolchain 311f8b6ca41358db8ae08490a9ca0916f11e9de3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+311f8b6ca41358db8ae08490a9ca0916f11e9de3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/pmsanford/arithmetic-coding [INFO] finished tweaking git repo https://github.com/pmsanford/arithmetic-coding [INFO] tweaked toml for git repo https://github.com/pmsanford/arithmetic-coding written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/pmsanford/arithmetic-coding 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" "+311f8b6ca41358db8ae08490a9ca0916f11e9de3" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+311f8b6ca41358db8ae08490a9ca0916f11e9de3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 19f6bec0fe8ad1a07f870b40755ea207257a50a1fbccbaf4ab35b27a036475da [INFO] running `Command { std: "docker" "start" "-a" "19f6bec0fe8ad1a07f870b40755ea207257a50a1fbccbaf4ab35b27a036475da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "19f6bec0fe8ad1a07f870b40755ea207257a50a1fbccbaf4ab35b27a036475da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "19f6bec0fe8ad1a07f870b40755ea207257a50a1fbccbaf4ab35b27a036475da", kill_on_drop: false }` [INFO] [stdout] 19f6bec0fe8ad1a07f870b40755ea207257a50a1fbccbaf4ab35b27a036475da [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+311f8b6ca41358db8ae08490a9ca0916f11e9de3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f4c9b661f9e41d60502dce91db80c24855adea607c9a2a667a54aefeb3bb1c34 [INFO] running `Command { std: "docker" "start" "-a" "f4c9b661f9e41d60502dce91db80c24855adea607c9a2a667a54aefeb3bb1c34", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.33 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling anyhow v1.0.31 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.12 [INFO] [stderr] Compiling proc-macro-error v0.4.12 [INFO] [stderr] Compiling indexmap v1.4.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking os_str_bytes v2.3.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.1 [INFO] [stderr] Checking clap v3.0.0-beta.1 [INFO] [stderr] Checking dobbs-ari-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/io.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Read` [INFO] [stdout] --> src/io.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::Read; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/io.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Read` [INFO] [stdout] --> src/io.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::Read; [INFO] [stdout] | ^^^^^^^^^^^^^ [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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.60s [INFO] running `Command { std: "docker" "inspect" "f4c9b661f9e41d60502dce91db80c24855adea607c9a2a667a54aefeb3bb1c34", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4c9b661f9e41d60502dce91db80c24855adea607c9a2a667a54aefeb3bb1c34", kill_on_drop: false }` [INFO] [stdout] f4c9b661f9e41d60502dce91db80c24855adea607c9a2a667a54aefeb3bb1c34