[INFO] cloning repository https://github.com/jeremyvaartjes/open_podcast_utilities
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jeremyvaartjes/open_podcast_utilities" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremyvaartjes%2Fopen_podcast_utilities", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremyvaartjes%2Fopen_podcast_utilities'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf4258a1ec1a44910b04f2c3268b7a43ccb14264
[INFO] checking jeremyvaartjes/open_podcast_utilities against master#dfdbe30004a095ad63951c4cd6e10a9a971a7399 for pr-120932
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremyvaartjes%2Fopen_podcast_utilities" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jeremyvaartjes/open_podcast_utilities 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] started tweaking git repo https://github.com/jeremyvaartjes/open_podcast_utilities
[INFO] finished tweaking git repo https://github.com/jeremyvaartjes/open_podcast_utilities
[INFO] tweaked toml for git repo https://github.com/jeremyvaartjes/open_podcast_utilities written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jeremyvaartjes/open_podcast_utilities 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 jeremyvaartjes/open_podcast_utilities against master#ba824a2e25948a86596ccf7594afe548020e86e6 for pr-120932
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremyvaartjes%2Fopen_podcast_utilities" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jeremyvaartjes/open_podcast_utilities 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] started tweaking git repo https://github.com/jeremyvaartjes/open_podcast_utilities
[INFO] finished tweaking git repo https://github.com/jeremyvaartjes/open_podcast_utilities
[INFO] tweaked toml for git repo https://github.com/jeremyvaartjes/open_podcast_utilities written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jeremyvaartjes/open_podcast_utilities 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 jeremyvaartjes/open_podcast_utilities against master#ba824a2e25948a86596ccf7594afe548020e86e6 for pr-120932
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremyvaartjes%2Fopen_podcast_utilities" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jeremyvaartjes/open_podcast_utilities 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] started tweaking git repo https://github.com/jeremyvaartjes/open_podcast_utilities
[INFO] finished tweaking git repo https://github.com/jeremyvaartjes/open_podcast_utilities
[INFO] tweaked toml for git repo https://github.com/jeremyvaartjes/open_podcast_utilities written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jeremyvaartjes/open_podcast_utilities 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 ulid v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d7e76cc35d8d05a8ff0e38499a8edecd8876930eb3fa1dc8bc5d7a3231565bfc
[INFO] running `Command { std: "docker" "start" "-a" "d7e76cc35d8d05a8ff0e38499a8edecd8876930eb3fa1dc8bc5d7a3231565bfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7e76cc35d8d05a8ff0e38499a8edecd8876930eb3fa1dc8bc5d7a3231565bfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7e76cc35d8d05a8ff0e38499a8edecd8876930eb3fa1dc8bc5d7a3231565bfc", kill_on_drop: false }`
[INFO] [stdout] d7e76cc35d8d05a8ff0e38499a8edecd8876930eb3fa1dc8bc5d7a3231565bfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 0839e057c3bc2724cc16bb454ae2c78d6cff5b0f6baa585531e0f1753c9585e2
[INFO] running `Command { std: "docker" "start" "-a" "0839e057c3bc2724cc16bb454ae2c78d6cff5b0f6baa585531e0f1753c9585e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ulid v1.0.0
[INFO] [stderr]     Checking csv v1.2.1
[INFO] [stderr]     Checking oputil v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `sort` is never used
[INFO] [stdout]   --> src/directory.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Directory {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 98 |     pub fn sort (&mut self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compare_strings_case_invariant` is never used
[INFO] [stdout]    --> src/directory.rs:108:4
[INFO] [stdout]     |
[INFO] [stdout] 108 | fn compare_strings_case_invariant(a: &String, b: &String) -> std::cmp::Ordering {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `sort` is never used
[INFO] [stdout]   --> src/directory.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Directory {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 98 |     pub fn sort (&mut self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compare_strings_case_invariant` is never used
[INFO] [stdout]    --> src/directory.rs:108:4
[INFO] [stdout]     |
[INFO] [stdout] 108 | fn compare_strings_case_invariant(a: &String, b: &String) -> std::cmp::Ordering {
[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 2.29s
[INFO] running `Command { std: "docker" "inspect" "0839e057c3bc2724cc16bb454ae2c78d6cff5b0f6baa585531e0f1753c9585e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0839e057c3bc2724cc16bb454ae2c78d6cff5b0f6baa585531e0f1753c9585e2", kill_on_drop: false }`
[INFO] [stdout] 0839e057c3bc2724cc16bb454ae2c78d6cff5b0f6baa585531e0f1753c9585e2