[INFO] cloning repository https://github.com/kishu279/simple-rust-backend
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kishu279/simple-rust-backend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkishu279%2Fsimple-rust-backend", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkishu279%2Fsimple-rust-backend'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64552833c787726d4ef878191d0bf5a35702fcc4
[INFO] checking kishu279/simple-rust-backend against try#5d96fa0e954d77528204a1ba3b8847ec083c779b for pr-153457
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkishu279%2Fsimple-rust-backend" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kishu279/simple-rust-backend
[INFO] finished tweaking git repo https://github.com/kishu279/simple-rust-backend
[INFO] tweaked toml for git repo https://github.com/kishu279/simple-rust-backend written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kishu279/simple-rust-backend on toolchain 5d96fa0e954d77528204a1ba3b8847ec083c779b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5d96fa0e954d77528204a1ba3b8847ec083c779b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kishu279/simple-rust-backend 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" "+5d96fa0e954d77528204a1ba3b8847ec083c779b" "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
[INFO] checking kishu279/simple-rust-backend against try#5d96fa0e954d77528204a1ba3b8847ec083c779b for pr-153457
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkishu279%2Fsimple-rust-backend" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kishu279/simple-rust-backend
[INFO] finished tweaking git repo https://github.com/kishu279/simple-rust-backend
[INFO] tweaked toml for git repo https://github.com/kishu279/simple-rust-backend written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kishu279/simple-rust-backend on toolchain 5d96fa0e954d77528204a1ba3b8847ec083c779b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5d96fa0e954d77528204a1ba3b8847ec083c779b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kishu279/simple-rust-backend 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" "+5d96fa0e954d77528204a1ba3b8847ec083c779b" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5d96fa0e954d77528204a1ba3b8847ec083c779b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd7cb80a3ebe0833f2a2d8894945de81b7d7921f81560293669a90c40bc6a0e2
[INFO] running `Command { std: "docker" "start" "-a" "bd7cb80a3ebe0833f2a2d8894945de81b7d7921f81560293669a90c40bc6a0e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd7cb80a3ebe0833f2a2d8894945de81b7d7921f81560293669a90c40bc6a0e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd7cb80a3ebe0833f2a2d8894945de81b7d7921f81560293669a90c40bc6a0e2", kill_on_drop: false }`
[INFO] [stdout] bd7cb80a3ebe0833f2a2d8894945de81b7d7921f81560293669a90c40bc6a0e2
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5d96fa0e954d77528204a1ba3b8847ec083c779b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f05998af8857832beb7a309b1f0c0864d9f1603d3c4646a05a22a6cdb5908f73
[INFO] running `Command { std: "docker" "start" "-a" "f05998af8857832beb7a309b1f0c0864d9f1603d3c4646a05a22a6cdb5908f73", kill_on_drop: false }`
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking rust-backend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `fmt::format` and `io::Read`
[INFO] [stdout]  --> src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fmt::format, io::Read};
[INFO] [stdout]   |           ^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `fmt::format` and `io::Read`
[INFO] [stdout]  --> src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fmt::format, io::Read};
[INFO] [stdout]   |           ^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "f05998af8857832beb7a309b1f0c0864d9f1603d3c4646a05a22a6cdb5908f73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f05998af8857832beb7a309b1f0c0864d9f1603d3c4646a05a22a6cdb5908f73", kill_on_drop: false }`
[INFO] [stdout] f05998af8857832beb7a309b1f0c0864d9f1603d3c4646a05a22a6cdb5908f73