[INFO] cloning repository https://github.com/JanPrzystal/fixed_math
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JanPrzystal/fixed_math" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJanPrzystal%2Ffixed_math", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJanPrzystal%2Ffixed_math'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5703b0d13df6b54b9687bed19e221847a08db420
[INFO] checking JanPrzystal/fixed_math against try#3298c2ca5e390fd0d104357fdeec514a152a9561 for pr-136490
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJanPrzystal%2Ffixed_math" "/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/JanPrzystal/fixed_math on toolchain 3298c2ca5e390fd0d104357fdeec514a152a9561
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3298c2ca5e390fd0d104357fdeec514a152a9561" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JanPrzystal/fixed_math
[INFO] finished tweaking git repo https://github.com/JanPrzystal/fixed_math
[INFO] tweaked toml for git repo https://github.com/JanPrzystal/fixed_math written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/JanPrzystal/fixed_math 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" "+3298c2ca5e390fd0d104357fdeec514a152a9561" "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 JanPrzystal/fixed_math against try#3298c2ca5e390fd0d104357fdeec514a152a9561 for pr-136490
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJanPrzystal%2Ffixed_math" "/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/JanPrzystal/fixed_math on toolchain 3298c2ca5e390fd0d104357fdeec514a152a9561
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3298c2ca5e390fd0d104357fdeec514a152a9561" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JanPrzystal/fixed_math
[INFO] finished tweaking git repo https://github.com/JanPrzystal/fixed_math
[INFO] tweaked toml for git repo https://github.com/JanPrzystal/fixed_math written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/JanPrzystal/fixed_math 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" "+3298c2ca5e390fd0d104357fdeec514a152a9561" "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-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+3298c2ca5e390fd0d104357fdeec514a152a9561" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 974a934dc620757d37c728a5ad3ed07d0e86cb69afc0796b8295509f41eec2bc
[INFO] running `Command { std: "docker" "start" "-a" "974a934dc620757d37c728a5ad3ed07d0e86cb69afc0796b8295509f41eec2bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "974a934dc620757d37c728a5ad3ed07d0e86cb69afc0796b8295509f41eec2bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "974a934dc620757d37c728a5ad3ed07d0e86cb69afc0796b8295509f41eec2bc", kill_on_drop: false }`
[INFO] [stdout] 974a934dc620757d37c728a5ad3ed07d0e86cb69afc0796b8295509f41eec2bc
[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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+3298c2ca5e390fd0d104357fdeec514a152a9561" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2957abb9c95a621b80ea20ba199bc7c8bbe44d3507ec4e81d10b04531022e02c
[INFO] running `Command { std: "docker" "start" "-a" "2957abb9c95a621b80ea20ba199bc7c8bbe44d3507ec4e81d10b04531022e02c", kill_on_drop: false }`
[INFO] [stderr]     Checking fixed_math v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated items `from_float`, `from_decimal`, `to_int`, and `to_float` are never used
[INFO] [stdout]   --> src/mixed_number.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Number{
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 22 |     fn from_float (decimal: f32) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn from_decimal (number: i32, digits_after_decimal: u32) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     fn to_int(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn to_float(&self) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_float`, `from_decimal`, `to_int`, and `to_float` are never used
[INFO] [stdout]   --> src/mixed_number.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Number{
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 22 |     fn from_float (decimal: f32) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn from_decimal (number: i32, digits_after_decimal: u32) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     fn to_int(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn to_float(&self) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "2957abb9c95a621b80ea20ba199bc7c8bbe44d3507ec4e81d10b04531022e02c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2957abb9c95a621b80ea20ba199bc7c8bbe44d3507ec4e81d10b04531022e02c", kill_on_drop: false }`
[INFO] [stdout] 2957abb9c95a621b80ea20ba199bc7c8bbe44d3507ec4e81d10b04531022e02c