[INFO] cloning repository https://github.com/trvswgnr/crab-fp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/trvswgnr/crab-fp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrvswgnr%2Fcrab-fp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrvswgnr%2Fcrab-fp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 25f2f8da51b18f9565d99f8324aed68d6abe3e37
[INFO] checking trvswgnr/crab-fp against try#1779a8680dcd39c56ed600627cf6742ef07ed78c for pr-149045
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrvswgnr%2Fcrab-fp" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/trvswgnr/crab-fp
[INFO] finished tweaking git repo https://github.com/trvswgnr/crab-fp
[INFO] tweaked toml for git repo https://github.com/trvswgnr/crab-fp written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/trvswgnr/crab-fp on toolchain 1779a8680dcd39c56ed600627cf6742ef07ed78c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/trvswgnr/crab-fp 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" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "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 trvswgnr/crab-fp against try#1779a8680dcd39c56ed600627cf6742ef07ed78c for pr-149045
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrvswgnr%2Fcrab-fp" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/trvswgnr/crab-fp
[INFO] finished tweaking git repo https://github.com/trvswgnr/crab-fp
[INFO] tweaked toml for git repo https://github.com/trvswgnr/crab-fp written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/trvswgnr/crab-fp on toolchain 1779a8680dcd39c56ed600627cf6742ef07ed78c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/trvswgnr/crab-fp 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" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b915c4758fa2a464e45e929597d5dee6bfdc08c974bf457cf7e1218b6a16e2dd
[INFO] running `Command { std: "docker" "start" "-a" "b915c4758fa2a464e45e929597d5dee6bfdc08c974bf457cf7e1218b6a16e2dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b915c4758fa2a464e45e929597d5dee6bfdc08c974bf457cf7e1218b6a16e2dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b915c4758fa2a464e45e929597d5dee6bfdc08c974bf457cf7e1218b6a16e2dd", kill_on_drop: false }`
[INFO] [stdout] b915c4758fa2a464e45e929597d5dee6bfdc08c974bf457cf7e1218b6a16e2dd
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e288dcc2f8b3b484c6e2e708af65a05c0256599c4ea2c31ab0d09d61d38b8ef
[INFO] running `Command { std: "docker" "start" "-a" "7e288dcc2f8b3b484c6e2e708af65a05c0256599c4ea2c31ab0d09d61d38b8ef", kill_on_drop: false }`
[INFO] [stderr]     Checking crab-fp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `inherent_str_constructors` has been stable since 1.87.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:28:49
[INFO] [stdout]    |
[INFO] [stdout] 28 | #![cfg_attr(feature = "no_std", no_std, feature(inherent_str_constructors))]
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `inherent_str_constructors` has been stable since 1.87.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:28:49
[INFO] [stdout]    |
[INFO] [stdout] 28 | #![cfg_attr(feature = "no_std", no_std, feature(inherent_str_constructors))]
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BUFFER_SIZE` is never used
[INFO] [stdout]  --> src/fixed_string.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const BUFFER_SIZE: usize = 256;
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `String` is never constructed
[INFO] [stdout]   --> src/fixed_string.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct String {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/fixed_string.rs:18:18
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl String {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 18 |     pub const fn new() -> Self {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub const fn len(&self) -> usize {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub const fn available_space(&self) -> usize {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn push_str(&mut self, s: &str) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn push(&mut self, c: char) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn as_str(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn as_mut_str(&mut self) -> &mut str {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ToString` is never used
[INFO] [stdout]   --> src/fixed_string.rs:66:11
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub trait ToString {
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "7e288dcc2f8b3b484c6e2e708af65a05c0256599c4ea2c31ab0d09d61d38b8ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e288dcc2f8b3b484c6e2e708af65a05c0256599c4ea2c31ab0d09d61d38b8ef", kill_on_drop: false }`
[INFO] [stdout] 7e288dcc2f8b3b484c6e2e708af65a05c0256599c4ea2c31ab0d09d61d38b8ef
