[INFO] cloning repository https://github.com/garyemerson/kindle_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/garyemerson/kindle_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaryemerson%2Fkindle_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaryemerson%2Fkindle_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 82aa658b8ec3442181ccb917383d809c92ea9f88 [INFO] checking garyemerson/kindle_rust against master#dfdbe30004a095ad63951c4cd6e10a9a971a7399 for pr-120932 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaryemerson%2Fkindle_rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/garyemerson/kindle_rust on toolchain dfdbe30004a095ad63951c4cd6e10a9a971a7399 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dfdbe30004a095ad63951c4cd6e10a9a971a7399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-1-tc1/source/.cargo/config [INFO] started tweaking git repo https://github.com/garyemerson/kindle_rust [INFO] finished tweaking git repo https://github.com/garyemerson/kindle_rust [INFO] tweaked toml for git repo https://github.com/garyemerson/kindle_rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/garyemerson/kindle_rust 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" "+dfdbe30004a095ad63951c4cd6e10a9a971a7399" "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 garyemerson/kindle_rust against master#ba824a2e25948a86596ccf7594afe548020e86e6 for pr-120932 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaryemerson%2Fkindle_rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/garyemerson/kindle_rust on toolchain ba824a2e25948a86596ccf7594afe548020e86e6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ba824a2e25948a86596ccf7594afe548020e86e6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config [INFO] started tweaking git repo https://github.com/garyemerson/kindle_rust [INFO] finished tweaking git repo https://github.com/garyemerson/kindle_rust [INFO] tweaked toml for git repo https://github.com/garyemerson/kindle_rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/garyemerson/kindle_rust 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" "+ba824a2e25948a86596ccf7594afe548020e86e6" "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 garyemerson/kindle_rust against master#ba824a2e25948a86596ccf7594afe548020e86e6 for pr-120932 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaryemerson%2Fkindle_rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/garyemerson/kindle_rust on toolchain ba824a2e25948a86596ccf7594afe548020e86e6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ba824a2e25948a86596ccf7594afe548020e86e6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config [INFO] started tweaking git repo https://github.com/garyemerson/kindle_rust [INFO] finished tweaking git repo https://github.com/garyemerson/kindle_rust [INFO] tweaked toml for git repo https://github.com/garyemerson/kindle_rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/garyemerson/kindle_rust 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" "+ba824a2e25948a86596ccf7594afe548020e86e6" "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 quote v0.6.6 [INFO] [stderr] Downloaded num-derive v0.2.2 [INFO] [stderr] Downloaded gif v0.10.0 [INFO] [stderr] Downloaded proc-macro2 v0.4.13 [INFO] [stderr] Downloaded image v0.19.0 [INFO] [stderr] Downloaded num-traits v0.2.5 [INFO] [stderr] Downloaded rayon v1.0.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+ba824a2e25948a86596ccf7594afe548020e86e6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 729dfb5e953dafece9ae374746dc0e0e0311d06f09a5fc72e4bb6e3912b6fed4 [INFO] running `Command { std: "docker" "start" "-a" "729dfb5e953dafece9ae374746dc0e0e0311d06f09a5fc72e4bb6e3912b6fed4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "729dfb5e953dafece9ae374746dc0e0e0311d06f09a5fc72e4bb6e3912b6fed4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "729dfb5e953dafece9ae374746dc0e0e0311d06f09a5fc72e4bb6e3912b6fed4", kill_on_drop: false }` [INFO] [stdout] 729dfb5e953dafece9ae374746dc0e0e0311d06f09a5fc72e4bb6e3912b6fed4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+ba824a2e25948a86596ccf7594afe548020e86e6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b227e28610a1e298b8686e1364c405ba46c5dfd3430916b05d7d6b5616ae88f1 [INFO] running `Command { std: "docker" "start" "-a" "b227e28610a1e298b8686e1364c405ba46c5dfd3430916b05d7d6b5616ae88f1", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Checking cfg-if v0.1.5 [INFO] [stderr] Compiling num-traits v0.2.5 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling proc-macro2 v0.4.13 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling getrandom v0.1.12 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Checking adler32 v1.0.3 [INFO] [stderr] Compiling rayon v1.0.2 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking inflate v0.4.3 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking gif v0.10.0 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Compiling quote v0.6.6 [INFO] [stderr] Checking deflate v0.7.18 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking memmap v0.6.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.0 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking png v0.12.0 [INFO] [stderr] Compiling num-derive v0.2.2 [INFO] [stderr] Checking jpeg-decoder v0.1.15 [INFO] [stderr] Checking image v0.19.0 [INFO] [stderr] Checking kindle_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `stdout` [INFO] [stdout] --> src/main.rs:5:28 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{Read, stdin, stdout, Write}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Rng`, `thread_rng` [INFO] [stdout] --> src/main.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 18 | use rand::{thread_rng, Rng}; [INFO] [stdout] | ^^^^^^^^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `stdout` [INFO] [stdout] --> src/main.rs:5:28 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{Read, stdin, stdout, Write}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Rng`, `thread_rng` [INFO] [stdout] --> src/main.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 18 | use rand::{thread_rng, Rng}; [INFO] [stdout] | ^^^^^^^^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:157:16 [INFO] [stdout] | [INFO] [stdout] 157 | inner: Box>, [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 an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 157 | inner: Box>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:157:16 [INFO] [stdout] | [INFO] [stdout] 157 | inner: Box>, [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 an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 157 | inner: Box>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:326:5 [INFO] [stdout] | [INFO] [stdout] 324 | return; [INFO] [stdout] | ------ any code following this expression is unreachable [INFO] [stdout] 325 | [INFO] [stdout] 326 | env::set_var("RUST_BACKTRACE", "1"); [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:326:5 [INFO] [stdout] | [INFO] [stdout] 324 | return; [INFO] [stdout] | ------ any code following this expression is unreachable [INFO] [stdout] 325 | [INFO] [stdout] 326 | env::set_var("RUST_BACKTRACE", "1"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/main.rs:5:36 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{Read, stdin, stdout, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/main.rs:5:36 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{Read, stdin, stdout, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `waveform_mode` [INFO] [stdout] --> src/main.rs:77:11 [INFO] [stdout] | [INFO] [stdout] 77 | fn foobar(waveform_mode: u32, update_mode: u32, update_marker: u32, ) -> Result<(), String> { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_waveform_mode` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `update_mode` [INFO] [stdout] --> src/main.rs:77:31 [INFO] [stdout] | [INFO] [stdout] 77 | fn foobar(waveform_mode: u32, update_mode: u32, update_marker: u32, ) -> Result<(), String> { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_update_mode` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `update_marker` [INFO] [stdout] --> src/main.rs:77:49 [INFO] [stdout] | [INFO] [stdout] 77 | fn foobar(waveform_mode: u32, update_mode: u32, update_marker: u32, ) -> Result<(), String> { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_update_marker` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `waveform_mode` [INFO] [stdout] --> src/main.rs:77:11 [INFO] [stdout] | [INFO] [stdout] 77 | fn foobar(waveform_mode: u32, update_mode: u32, update_marker: u32, ) -> Result<(), String> { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_waveform_mode` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `update_mode` [INFO] [stdout] --> src/main.rs:77:31 [INFO] [stdout] | [INFO] [stdout] 77 | fn foobar(waveform_mode: u32, update_mode: u32, update_marker: u32, ) -> Result<(), String> { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_update_mode` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `update_marker` [INFO] [stdout] --> src/main.rs:77:49 [INFO] [stdout] | [INFO] [stdout] 77 | fn foobar(waveform_mode: u32, update_mode: u32, update_marker: u32, ) -> Result<(), String> { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_update_marker` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `height` [INFO] [stdout] --> src/main.rs:290:5 [INFO] [stdout] | [INFO] [stdout] 290 | height: u32, [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `height` [INFO] [stdout] --> src/main.rs:290:5 [INFO] [stdout] | [INFO] [stdout] 290 | height: u32, [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `foo_draw` is never used [INFO] [stdout] --> src/main.rs:285:4 [INFO] [stdout] | [INFO] [stdout] 285 | fn foo_draw( [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `foo_draw` is never used [INFO] [stdout] --> src/main.rs:285:4 [INFO] [stdout] | [INFO] [stdout] 285 | fn foo_draw( [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.03s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.9 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "b227e28610a1e298b8686e1364c405ba46c5dfd3430916b05d7d6b5616ae88f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b227e28610a1e298b8686e1364c405ba46c5dfd3430916b05d7d6b5616ae88f1", kill_on_drop: false }` [INFO] [stdout] b227e28610a1e298b8686e1364c405ba46c5dfd3430916b05d7d6b5616ae88f1