[INFO] cloning repository https://github.com/YanLong-111/RustLearning-RustStruct
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/YanLong-111/RustLearning-RustStruct" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYanLong-111%2FRustLearning-RustStruct", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYanLong-111%2FRustLearning-RustStruct'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 27b77e743aa796656dd435433bdbc25e74d02274
[INFO] testing YanLong-111/RustLearning-RustStruct against master#9e297bf54d31eb3b30067208ff9af4416945a2ed for pr-125507
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYanLong-111%2FRustLearning-RustStruct" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/YanLong-111/RustLearning-RustStruct on toolchain 9e297bf54d31eb3b30067208ff9af4416945a2ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/YanLong-111/RustLearning-RustStruct
[INFO] finished tweaking git repo https://github.com/YanLong-111/RustLearning-RustStruct
[INFO] tweaked toml for git repo https://github.com/YanLong-111/RustLearning-RustStruct written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/YanLong-111/RustLearning-RustStruct 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" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "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] testing YanLong-111/RustLearning-RustStruct against try#61a9ac64344e91d62f5496627ff363d177f9daab for pr-125507
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYanLong-111%2FRustLearning-RustStruct" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/YanLong-111/RustLearning-RustStruct on toolchain 61a9ac64344e91d62f5496627ff363d177f9daab
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61a9ac64344e91d62f5496627ff363d177f9daab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/YanLong-111/RustLearning-RustStruct
[INFO] finished tweaking git repo https://github.com/YanLong-111/RustLearning-RustStruct
[INFO] tweaked toml for git repo https://github.com/YanLong-111/RustLearning-RustStruct written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/YanLong-111/RustLearning-RustStruct 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" "+61a9ac64344e91d62f5496627ff363d177f9daab" "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] testing YanLong-111/RustLearning-RustStruct against try#61a9ac64344e91d62f5496627ff363d177f9daab for pr-125507
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYanLong-111%2FRustLearning-RustStruct" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/YanLong-111/RustLearning-RustStruct on toolchain 61a9ac64344e91d62f5496627ff363d177f9daab
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61a9ac64344e91d62f5496627ff363d177f9daab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/YanLong-111/RustLearning-RustStruct
[INFO] finished tweaking git repo https://github.com/YanLong-111/RustLearning-RustStruct
[INFO] tweaked toml for git repo https://github.com/YanLong-111/RustLearning-RustStruct written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/YanLong-111/RustLearning-RustStruct 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" "+61a9ac64344e91d62f5496627ff363d177f9daab" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+61a9ac64344e91d62f5496627ff363d177f9daab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed30e890805b609ec30fcd2437a52148423e6f70f001e05e1a1571f90bc35d52
[INFO] running `Command { std: "docker" "start" "-a" "ed30e890805b609ec30fcd2437a52148423e6f70f001e05e1a1571f90bc35d52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed30e890805b609ec30fcd2437a52148423e6f70f001e05e1a1571f90bc35d52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed30e890805b609ec30fcd2437a52148423e6f70f001e05e1a1571f90bc35d52", kill_on_drop: false }`
[INFO] [stdout] ed30e890805b609ec30fcd2437a52148423e6f70f001e05e1a1571f90bc35d52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+61a9ac64344e91d62f5496627ff363d177f9daab" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a74eb9ca68ec7fb0c563abf17c69a11944744652efe944f255a93c46f327b11
[INFO] running `Command { std: "docker" "start" "-a" "6a74eb9ca68ec7fb0c563abf17c69a11944744652efe944f255a93c46f327b11", kill_on_drop: false }`
[INFO] [stderr]    Compiling RustStruct v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let a = User {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `user_name` and `active` are never read
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct User {
[INFO] [stdout]   |        ---- fields in this struct
[INFO] [stdout] 3 |     user_name: String,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 4 |     user_age: u64,
[INFO] [stdout] 5 |     active: bool,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_user` is never used
[INFO] [stdout]   --> src/main.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn build_user(_user_age: u64, _user_name: String) -> User {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `new_user` is never used
[INFO] [stdout]   --> src/main.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn new_user(user_age: u64, user_name: String) -> User {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "6a74eb9ca68ec7fb0c563abf17c69a11944744652efe944f255a93c46f327b11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a74eb9ca68ec7fb0c563abf17c69a11944744652efe944f255a93c46f327b11", kill_on_drop: false }`
[INFO] [stdout] 6a74eb9ca68ec7fb0c563abf17c69a11944744652efe944f255a93c46f327b11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+61a9ac64344e91d62f5496627ff363d177f9daab" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8676cc9ca9239de6919f6b7de5d93e409423c0bc1b7cd86f6b87920aa9f06dda
[INFO] running `Command { std: "docker" "start" "-a" "8676cc9ca9239de6919f6b7de5d93e409423c0bc1b7cd86f6b87920aa9f06dda", kill_on_drop: false }`
[INFO] [stderr]    Compiling RustStruct v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let a = User {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `user_name` and `active` are never read
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct User {
[INFO] [stdout]   |        ---- fields in this struct
[INFO] [stdout] 3 |     user_name: String,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 4 |     user_age: u64,
[INFO] [stdout] 5 |     active: bool,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_user` is never used
[INFO] [stdout]   --> src/main.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn build_user(_user_age: u64, _user_name: String) -> User {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `new_user` is never used
[INFO] [stdout]   --> src/main.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn new_user(user_age: u64, user_name: String) -> User {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "8676cc9ca9239de6919f6b7de5d93e409423c0bc1b7cd86f6b87920aa9f06dda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8676cc9ca9239de6919f6b7de5d93e409423c0bc1b7cd86f6b87920aa9f06dda", kill_on_drop: false }`
[INFO] [stdout] 8676cc9ca9239de6919f6b7de5d93e409423c0bc1b7cd86f6b87920aa9f06dda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+61a9ac64344e91d62f5496627ff363d177f9daab" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b480249326a4aa38ab61a96b2feb816b3a581f183c48058813e9bfbb8e124d95
[INFO] running `Command { std: "docker" "start" "-a" "b480249326a4aa38ab61a96b2feb816b3a581f183c48058813e9bfbb8e124d95", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/main.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let a = User {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `user_name` and `active` are never read
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | struct User {
[INFO] [stderr]   |        ---- fields in this struct
[INFO] [stderr] 3 |     user_name: String,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 4 |     user_age: u64,
[INFO] [stderr] 5 |     active: bool,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `build_user` is never used
[INFO] [stderr]   --> src/main.rs:27:4
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn build_user(_user_age: u64, _user_name: String) -> User {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `new_user` is never used
[INFO] [stderr]   --> src/main.rs:36:4
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn new_user(user_age: u64, user_name: String) -> User {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `RustStruct` (bin "RustStruct" test) generated 4 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/RustStruct-b9e109cf0b6538d0)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b480249326a4aa38ab61a96b2feb816b3a581f183c48058813e9bfbb8e124d95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b480249326a4aa38ab61a96b2feb816b3a581f183c48058813e9bfbb8e124d95", kill_on_drop: false }`
[INFO] [stdout] b480249326a4aa38ab61a96b2feb816b3a581f183c48058813e9bfbb8e124d95