[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#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsidju%2Freed" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sidju/reed on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "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-14/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" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1162c1ea34b0f5b477ddc798ce42f4763270bae9ab6a0d29b2cfa345ab1369b4
[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" "1162c1ea34b0f5b477ddc798ce42f4763270bae9ab6a0d29b2cfa345ab1369b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1162c1ea34b0f5b477ddc798ce42f4763270bae9ab6a0d29b2cfa345ab1369b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1162c1ea34b0f5b477ddc798ce42f4763270bae9ab6a0d29b2cfa345ab1369b4", kill_on_drop: false }`
[INFO] [stdout] 1162c1ea34b0f5b477ddc798ce42f4763270bae9ab6a0d29b2cfa345ab1369b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 271a3797b18252b06f69180149fead90f99c840b0091c331903eee2bfd6d305d
[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" "271a3797b18252b06f69180149fead90f99c840b0091c331903eee2bfd6d305d", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking humantime v2.0.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking xml-rs v0.8.1
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking bit-set v0.5.1
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking flate2 v1.0.14
[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 plist v0.5.3
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking serde_json v1.0.50
[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 1m 00s
[INFO] running `Command { std: "docker" "inspect" "271a3797b18252b06f69180149fead90f99c840b0091c331903eee2bfd6d305d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "271a3797b18252b06f69180149fead90f99c840b0091c331903eee2bfd6d305d", kill_on_drop: false }`
[INFO] [stdout] 271a3797b18252b06f69180149fead90f99c840b0091c331903eee2bfd6d305d