[INFO] updating cached repository https://github.com/sidju/reed
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] df24302d2462a4b0c0bfce0c6d78dc68e096bab0
[INFO] checking sidju/reed against try#6024cfef3a82f9a7688f07054f1650081bad3af5 for pr-74130
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsidju%2Freed" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sidju/reed on toolchain 6024cfef3a82f9a7688f07054f1650081bad3af5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sidju/reed
[INFO] finished tweaking git repo https://github.com/sidju/reed
[INFO] tweaked toml for git repo https://github.com/sidju/reed written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/sidju/reed already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "fetch" "--locked" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0692f9947d673c6a86ab457e9843c3e64ee6c510a67c7f9ccca7f16c31b1950
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b0692f9947d673c6a86ab457e9843c3e64ee6c510a67c7f9ccca7f16c31b1950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0692f9947d673c6a86ab457e9843c3e64ee6c510a67c7f9ccca7f16c31b1950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0692f9947d673c6a86ab457e9843c3e64ee6c510a67c7f9ccca7f16c31b1950", kill_on_drop: false }`
[INFO] [stdout] b0692f9947d673c6a86ab457e9843c3e64ee6c510a67c7f9ccca7f16c31b1950
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 110a51da8a4107c1c65ebdaf688419a3b355e29d60a9ad25302e49cc61a093b9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "110a51da8a4107c1c65ebdaf688419a3b355e29d60a9ad25302e49cc61a093b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking humantime v2.0.0
[INFO] [stderr]     Checking xml-rs v0.8.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]     Checking bit-set v0.5.1
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking serde_json v1.0.50
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking plist v0.5.3
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking fancy-regex v0.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]     Checking syntect v4.1.0
[INFO] [stderr]     Checking hired v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `append_file`
[INFO] [stdout]   --> src/file.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn append_file(filepath: &str, data: &[String]) -> Result<(), &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `append`
[INFO] [stdout]   --> src/file.rs:77:4
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn append(filepath: &str, data: &[String]) -> std::io::Result<()> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `append_file`
[INFO] [stdout]   --> src/file.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn append_file(filepath: &str, data: &[String]) -> Result<(), &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `append`
[INFO] [stdout]   --> src/file.rs:77:4
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn append(filepath: &str, data: &[String]) -> std::io::Result<()> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.14s
[INFO] running `Command { std: "docker" "inspect" "110a51da8a4107c1c65ebdaf688419a3b355e29d60a9ad25302e49cc61a093b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "110a51da8a4107c1c65ebdaf688419a3b355e29d60a9ad25302e49cc61a093b9", kill_on_drop: false }`
[INFO] [stdout] 110a51da8a4107c1c65ebdaf688419a3b355e29d60a9ad25302e49cc61a093b9