[INFO] cloning repository https://github.com/Jibbril/rust-observer-actix-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jibbril/rust-observer-actix-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJibbril%2Frust-observer-actix-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJibbril%2Frust-observer-actix-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a20f7727c59df6f568f666b549f215cc8cf9b56
[INFO] checking Jibbril/rust-observer-actix-test/9a20f7727c59df6f568f666b549f215cc8cf9b56 against try#52ae2445414b2a196b318d85c2819995c6e5f1aa for pr-133397
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJibbril%2Frust-observer-actix-test" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jibbril/rust-observer-actix-test on toolchain 52ae2445414b2a196b318d85c2819995c6e5f1aa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52ae2445414b2a196b318d85c2819995c6e5f1aa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Jibbril/rust-observer-actix-test
[INFO] finished tweaking git repo https://github.com/Jibbril/rust-observer-actix-test
[INFO] tweaked toml for git repo https://github.com/Jibbril/rust-observer-actix-test written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Jibbril/rust-observer-actix-test 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" "+52ae2445414b2a196b318d85c2819995c6e5f1aa" "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 actix v0.13.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+52ae2445414b2a196b318d85c2819995c6e5f1aa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a9591848387aef8553d1cbe34ffa96da09a409920d6edb7b8332664345b9b2f
[INFO] running `Command { std: "docker" "start" "-a" "5a9591848387aef8553d1cbe34ffa96da09a409920d6edb7b8332664345b9b2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a9591848387aef8553d1cbe34ffa96da09a409920d6edb7b8332664345b9b2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a9591848387aef8553d1cbe34ffa96da09a409920d6edb7b8332664345b9b2f", kill_on_drop: false }`
[INFO] [stdout] 5a9591848387aef8553d1cbe34ffa96da09a409920d6edb7b8332664345b9b2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+52ae2445414b2a196b318d85c2819995c6e5f1aa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55930ffd65e26eb2dc26354f2e140822b10f067e6c545202b9989799d8cba891
[INFO] running `Command { std: "docker" "start" "-a" "55930ffd65e26eb2dc26354f2e140822b10f067e6c545202b9989799d8cba891", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]     Checking pin-project-lite v0.2.13
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[INFO] [stderr]    Compiling unicode-ident v1.0.12
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[INFO] [stderr]     Checking bytes v1.5.0
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[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/participant.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Participant {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 3 |     pub name: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Participant` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/participant.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Participant {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 3 |     pub name: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Participant` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/random_generator.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct RandomGenerator {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 11 |     pub id: u64,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RandomGenerator` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/random_generator.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct RandomGenerator {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 11 |     pub id: u64,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RandomGenerator` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]  --> src/scoreboard.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct ScoreBoard {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 8 |     pub id: u64,
[INFO] [stdout]   |         ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ScoreBoard` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]  --> src/scoreboard.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct ScoreBoard {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 8 |     pub id: u64,
[INFO] [stdout]   |         ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ScoreBoard` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.08s
[INFO] running `Command { std: "docker" "inspect" "55930ffd65e26eb2dc26354f2e140822b10f067e6c545202b9989799d8cba891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55930ffd65e26eb2dc26354f2e140822b10f067e6c545202b9989799d8cba891", kill_on_drop: false }`
[INFO] [stdout] 55930ffd65e26eb2dc26354f2e140822b10f067e6c545202b9989799d8cba891