[INFO] cloning repository https://github.com/sjeohp/waveform_space [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sjeohp/waveform_space" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjeohp%2Fwaveform_space", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjeohp%2Fwaveform_space'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 32314502d94bda1e2d9c13474d8ef19a6143d003 [INFO] checking sjeohp/waveform_space against master#c3def263a44e07e09ae6d57abfc8650227fb4972 for pr-118833 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjeohp%2Fwaveform_space" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sjeohp/waveform_space on toolchain c3def263a44e07e09ae6d57abfc8650227fb4972 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c3def263a44e07e09ae6d57abfc8650227fb4972" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sjeohp/waveform_space [INFO] finished tweaking git repo https://github.com/sjeohp/waveform_space [INFO] tweaked toml for git repo https://github.com/sjeohp/waveform_space written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/sjeohp/waveform_space 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" "+c3def263a44e07e09ae6d57abfc8650227fb4972" "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 sjeohp/waveform_space against try#29596578cb5035fa2b7ac7fbdfea23fab38836e7 for pr-118833 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjeohp%2Fwaveform_space" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sjeohp/waveform_space on toolchain 29596578cb5035fa2b7ac7fbdfea23fab38836e7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+29596578cb5035fa2b7ac7fbdfea23fab38836e7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sjeohp/waveform_space [INFO] finished tweaking git repo https://github.com/sjeohp/waveform_space [INFO] tweaked toml for git repo https://github.com/sjeohp/waveform_space written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/sjeohp/waveform_space 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" "+29596578cb5035fa2b7ac7fbdfea23fab38836e7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking sjeohp/waveform_space against try#29596578cb5035fa2b7ac7fbdfea23fab38836e7 for pr-118833 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjeohp%2Fwaveform_space" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sjeohp/waveform_space on toolchain 29596578cb5035fa2b7ac7fbdfea23fab38836e7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+29596578cb5035fa2b7ac7fbdfea23fab38836e7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sjeohp/waveform_space [INFO] finished tweaking git repo https://github.com/sjeohp/waveform_space [INFO] tweaked toml for git repo https://github.com/sjeohp/waveform_space written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/sjeohp/waveform_space 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" "+29596578cb5035fa2b7ac7fbdfea23fab38836e7" "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 num-complex v0.1.36 [INFO] [stderr] Downloaded rustfft v1.0.1 [INFO] [stderr] Downloaded stream-dct v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+29596578cb5035fa2b7ac7fbdfea23fab38836e7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 29a5f97a34464d91dc4d3b978dd83d53d3ca70d59235b8e326e38db244eef112 [INFO] running `Command { std: "docker" "start" "-a" "29a5f97a34464d91dc4d3b978dd83d53d3ca70d59235b8e326e38db244eef112", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "29a5f97a34464d91dc4d3b978dd83d53d3ca70d59235b8e326e38db244eef112", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "29a5f97a34464d91dc4d3b978dd83d53d3ca70d59235b8e326e38db244eef112", kill_on_drop: false }` [INFO] [stdout] 29a5f97a34464d91dc4d3b978dd83d53d3ca70d59235b8e326e38db244eef112 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+29596578cb5035fa2b7ac7fbdfea23fab38836e7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1e95a43b1ec0713d01500d91d84beecdf8f5d675742df969ff041d8a2c694743 [INFO] running `Command { std: "docker" "start" "-a" "1e95a43b1ec0713d01500d91d84beecdf8f5d675742df969ff041d8a2c694743", kill_on_drop: false }` [INFO] [stderr] Checking num-traits v0.1.37 [INFO] [stderr] Checking libc v0.2.21 [INFO] [stderr] Checking rustc-serialize v0.3.23 [INFO] [stderr] Checking stream-dct v0.1.0 [INFO] [stderr] Checking rand v0.3.15 [INFO] [stderr] Checking num-integer v0.1.33 [INFO] [stderr] Checking num-iter v0.1.33 [INFO] [stderr] Checking num-bigint v0.1.37 [INFO] [stderr] Checking num-complex v0.1.36 [INFO] [stderr] Checking num-rational v0.1.36 [INFO] [stderr] Checking num v0.1.37 [INFO] [stderr] Checking rustfft v1.0.1 [INFO] [stderr] Checking waveform_space v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::iter::Peekable` [INFO] [stdout] --> src/lib.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::iter::Peekable; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::iter::Peekable` [INFO] [stdout] --> src/lib.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::iter::Peekable; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `filterbank` [INFO] [stdout] --> src/lib.rs:130:10 [INFO] [stdout] | [INFO] [stdout] 130 | let mut filterbank = [0; 26]; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filterbank` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:130:6 [INFO] [stdout] | [INFO] [stdout] 130 | let mut filterbank = [0; 26]; [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `filterbank` [INFO] [stdout] --> src/lib.rs:130:10 [INFO] [stdout] | [INFO] [stdout] 130 | let mut filterbank = [0; 26]; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filterbank` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:130:6 [INFO] [stdout] | [INFO] [stdout] 130 | let mut filterbank = [0; 26]; [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `z` [INFO] [stdout] --> src/lib.rs:184:7 [INFO] [stdout] | [INFO] [stdout] 184 | for z in 0..10 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_z` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.13s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.23 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "1e95a43b1ec0713d01500d91d84beecdf8f5d675742df969ff041d8a2c694743", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e95a43b1ec0713d01500d91d84beecdf8f5d675742df969ff041d8a2c694743", kill_on_drop: false }` [INFO] [stdout] 1e95a43b1ec0713d01500d91d84beecdf8f5d675742df969ff041d8a2c694743