[INFO] cloning repository https://github.com/SephiroBV/spooky_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SephiroBV/spooky_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSephiroBV%2Fspooky_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSephiroBV%2Fspooky_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f99c37008ae5a7f1abb2c38e40b06399153c8f32
[INFO] checking SephiroBV/spooky_rust against master#30840c53f414b753cb08f14620906572f88dda4b for pr-123531
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSephiroBV%2Fspooky_rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SephiroBV/spooky_rust on toolchain 30840c53f414b753cb08f14620906572f88dda4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30840c53f414b753cb08f14620906572f88dda4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SephiroBV/spooky_rust
[INFO] finished tweaking git repo https://github.com/SephiroBV/spooky_rust
[INFO] tweaked toml for git repo https://github.com/SephiroBV/spooky_rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SephiroBV/spooky_rust 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" "+30840c53f414b753cb08f14620906572f88dda4b" "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] checking SephiroBV/spooky_rust against try#18fb860b8a8e7ca508746882328061d0fe352543 for pr-123531
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSephiroBV%2Fspooky_rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SephiroBV/spooky_rust on toolchain 18fb860b8a8e7ca508746882328061d0fe352543
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18fb860b8a8e7ca508746882328061d0fe352543" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SephiroBV/spooky_rust
[INFO] finished tweaking git repo https://github.com/SephiroBV/spooky_rust
[INFO] tweaked toml for git repo https://github.com/SephiroBV/spooky_rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/SephiroBV/spooky_rust 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" "+18fb860b8a8e7ca508746882328061d0fe352543" "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] checking SephiroBV/spooky_rust against try#18fb860b8a8e7ca508746882328061d0fe352543 for pr-123531
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSephiroBV%2Fspooky_rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SephiroBV/spooky_rust on toolchain 18fb860b8a8e7ca508746882328061d0fe352543
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18fb860b8a8e7ca508746882328061d0fe352543" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SephiroBV/spooky_rust
[INFO] finished tweaking git repo https://github.com/SephiroBV/spooky_rust
[INFO] tweaked toml for git repo https://github.com/SephiroBV/spooky_rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/SephiroBV/spooky_rust 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" "+18fb860b8a8e7ca508746882328061d0fe352543" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+18fb860b8a8e7ca508746882328061d0fe352543" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2b684880065b42e8fc059f5d62ecbb629e086ea47f41e6909f068feb62266ae
[INFO] running `Command { std: "docker" "start" "-a" "b2b684880065b42e8fc059f5d62ecbb629e086ea47f41e6909f068feb62266ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2b684880065b42e8fc059f5d62ecbb629e086ea47f41e6909f068feb62266ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2b684880065b42e8fc059f5d62ecbb629e086ea47f41e6909f068feb62266ae", kill_on_drop: false }`
[INFO] [stdout] b2b684880065b42e8fc059f5d62ecbb629e086ea47f41e6909f068feb62266ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+18fb860b8a8e7ca508746882328061d0fe352543" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4226d6280e0c2674dc577452431a5fec61682e0cb70fc61307c606d265539d7
[INFO] running `Command { std: "docker" "start" "-a" "a4226d6280e0c2674dc577452431a5fec61682e0cb70fc61307c606d265539d7", kill_on_drop: false }`
[INFO] [stderr]     Checking spooky v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/v1.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Person {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 12 |     pub fn new(name: impl Into<String>, weight: u16) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KILOGRAMS_TO_POUNDS_RATIO` is never used
[INFO] [stdout]  --> src/v2.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const KILOGRAMS_TO_POUNDS_RATIO: f64 = 2.20462;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `POUNDS_TO_KILOGRAMS_RATIO` is never used
[INFO] [stdout]  --> src/v2.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const POUNDS_TO_KILOGRAMS_RATIO: f64 = 0.453592;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `represent_in_kilograms`, and `represent_in_pounds` are never used
[INFO] [stdout]   --> src/v2.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Person {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 20 |     pub fn new(name: impl Into<String>, weight: Weight) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn represent_in_kilograms(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn represent_in_pounds(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Kilogram` and `Pound` are never constructed
[INFO] [stdout]   --> src/v2.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub enum Weight {
[INFO] [stdout]    |          ------ variants in this enum
[INFO] [stdout] 44 |     Kilogram(u16),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 45 |     Pound(u16),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Weight` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_pounds` and `to_kilograms` are never used
[INFO] [stdout]   --> src/v2.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl Weight {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] 49 |     pub fn to_pounds(self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn to_kilograms(self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `KILOGRAMS_TO_POUNDS_RATIO` is never used
[INFO] [stdout]  --> src/v3.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const KILOGRAMS_TO_POUNDS_RATIO: f64 = 2.20462;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `POUNDS_TO_KILOGRAMS_RATIO` is never used
[INFO] [stdout]  --> src/v3.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const POUNDS_TO_KILOGRAMS_RATIO: f64 = 0.453592;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/v3.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl<T> Person<T> {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 17 |     pub fn new(name: impl Into<String>, weight: u16) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `represent_in_kilograms` is never used
[INFO] [stdout]   --> src/v3.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Person<Pound> {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 26 |     pub fn represent_in_kilograms(self) -> Person<Kilogram> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `represent_in_pounds` is never used
[INFO] [stdout]   --> src/v3.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl Person<Kilogram> {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] 35 |     pub fn represent_in_pounds(self) -> Person<Pound> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/v3.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | impl<T> Weight<T> {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 62 |     fn new(value: u16) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_kilograms` is never used
[INFO] [stdout]   --> src/v3.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | impl Weight<Pound> {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 71 |     pub fn to_kilograms(self) -> Weight<Kilogram> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_pounds` is never used
[INFO] [stdout]   --> src/v3.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 77 | impl Weight<Kilogram> {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] 78 |     pub fn to_pounds(self) -> Weight<Pound> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/v4.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl<T> Person<T> {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 17 |     pub fn new(name: impl Into<String>, weight: u16) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "a4226d6280e0c2674dc577452431a5fec61682e0cb70fc61307c606d265539d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4226d6280e0c2674dc577452431a5fec61682e0cb70fc61307c606d265539d7", kill_on_drop: false }`
[INFO] [stdout] a4226d6280e0c2674dc577452431a5fec61682e0cb70fc61307c606d265539d7