[INFO] cloning repository https://github.com/afshin-dev/rust-sample
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/afshin-dev/rust-sample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fafshin-dev%2Frust-sample", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fafshin-dev%2Frust-sample'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 55006905b7ae877a0f545833a30a1297b0221a08
[INFO] testing afshin-dev/rust-sample against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fafshin-dev%2Frust-sample" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/afshin-dev/rust-sample
[INFO] finished tweaking git repo https://github.com/afshin-dev/rust-sample
[INFO] tweaked toml for git repo https://github.com/afshin-dev/rust-sample written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/afshin-dev/rust-sample on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/afshin-dev/rust-sample 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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 afshin-dev/rust-sample against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fafshin-dev%2Frust-sample" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/afshin-dev/rust-sample
[INFO] finished tweaking git repo https://github.com/afshin-dev/rust-sample
[INFO] tweaked toml for git repo https://github.com/afshin-dev/rust-sample written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/afshin-dev/rust-sample on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/afshin-dev/rust-sample 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77ec2c609dfbf650de0633f47a1e4ef9d845688be448e2aee3ca815627f515c7
[INFO] running `Command { std: "docker" "start" "-a" "77ec2c609dfbf650de0633f47a1e4ef9d845688be448e2aee3ca815627f515c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77ec2c609dfbf650de0633f47a1e4ef9d845688be448e2aee3ca815627f515c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77ec2c609dfbf650de0633f47a1e4ef9d845688be448e2aee3ca815627f515c7", kill_on_drop: false }`
[INFO] [stdout] 77ec2c609dfbf650de0633f47a1e4ef9d845688be448e2aee3ca815627f515c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9f5c5639a4fbf361bc5abdf73845c58b5f8a43eb4a9c488d52c7f14276deb8f
[INFO] running `Command { std: "docker" "start" "-a" "e9f5c5639a4fbf361bc5abdf73845c58b5f8a43eb4a9c488d52c7f14276deb8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling rust-sample v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]  --> src/bin/rc-01.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Parent {
[INFO] [stdout]   |        ------ field in this struct
[INFO] [stdout] 5 |     name: String ,
[INFO] [stdout] 6 |     id : i128,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/bin/rc-01.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | struct Child {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 10 |     name: String,
[INFO] [stdout] 11 |     id: i128,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/bin/conversion-from.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Failed(u8), // u8 = code number
[INFO] [stdout]    |     ------ ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RetrunCode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 17 -     Failed(u8), // u8 = code number
[INFO] [stdout] 17 +     Failed(()), // u8 = code number
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Intermediate` and `Professinal` are never constructed
[INFO] [stdout]  --> src/bin/compare-enum.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Degree {
[INFO] [stdout]   |      ------ variants in this enum
[INFO] [stdout] 3 |     Beginner, // 1
[INFO] [stdout] 4 |     Intermediate, // 2
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 5 |     Advanced, // 3
[INFO] [stdout] 6 |     Professinal, // 4
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Degree` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `f1`, `f2`, `f3`, `f4`, and `f5` are never read
[INFO] [stdout]  --> src/bin/struct-update-syntax.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Stc {
[INFO] [stdout]   |        --- fields in this struct
[INFO] [stdout] 4 |     f1: i32,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 5 |     f2: bool,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 6 |     f3: u8,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 7 |     f4: String,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 8 |     f5: u128,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Stc` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Fire`, `Water`, and `Soil` are never constructed
[INFO] [stdout]  --> src/bin/match-guard-with-enum.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Element {
[INFO] [stdout]   |      ------- variants in this enum
[INFO] [stdout] 2 |     Fire, 
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 3 |     Water,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 4 |     Soil,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Trait1` is never used
[INFO] [stdout]  --> src/bin/generic-structure.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait Trait1 {
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Trait2` is never used
[INFO] [stdout]  --> src/bin/generic-structure.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | trait Trait2 {
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Trait3` is never used
[INFO] [stdout]   --> src/bin/generic-structure.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | trait Trait3 {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Struct` is never constructed
[INFO] [stdout]   --> src/bin/generic-structure.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Struct<T, U> 
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]  --> src/bin/loop-label.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |         'inner: loop {
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Developer` and `DevOpsEngineer` are never constructed
[INFO] [stdout]   --> src/bin/if-let.rs:16:2
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum Role {
[INFO] [stdout]    |      ---- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 16 |  Developer,
[INFO] [stdout]    |  ^^^^^^^^^
[INFO] [stdout] 17 |  DevOpsEngineer
[INFO] [stdout]    |  ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Role` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `show_default` is never used
[INFO] [stdout]  --> src/bin/show-defaut.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn show_default<T>(o: T) -> i32
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `health` and `soul_type` are never read
[INFO] [stdout]   --> src/bin/type-state-01.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub struct Body {
[INFO] [stdout]    |                ---- fields in this struct
[INFO] [stdout] 19 |         pub name: String,
[INFO] [stdout] 20 |         pub health : i32 ,
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout] 21 |         pub soul_type : SoulType,
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]  --> src/bin/look-at-test-01.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn add (x: i32 , y: i32) -> i32 {
[INFO] [stdout]   |    ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `src/bin/../../cargo.toml`: No such file or directory (os error 2)
[INFO] [stdout]  --> src/bin/print-cargo-config.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | const CONFIG: &'static str = include_str!("../../cargo.toml");
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-sample` (bin "print-cargo-config") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `duration` is never read
[INFO] [stdout]   --> src/bin/impl-generic.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct Football {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 31 |     duration: i64 , // in min
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `round` is never read
[INFO] [stdout]   --> src/bin/impl-generic.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct Tenis {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 42 |     round: i32 , 
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e9f5c5639a4fbf361bc5abdf73845c58b5f8a43eb4a9c488d52c7f14276deb8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9f5c5639a4fbf361bc5abdf73845c58b5f8a43eb4a9c488d52c7f14276deb8f", kill_on_drop: false }`
[INFO] [stdout] e9f5c5639a4fbf361bc5abdf73845c58b5f8a43eb4a9c488d52c7f14276deb8f
