[INFO] cloning repository https://github.com/ylambda/bar-graph
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ylambda/bar-graph" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fylambda%2Fbar-graph", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fylambda%2Fbar-graph'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 24ce06f68b2585126b9ef89a6fa4fc35006bebdb
[INFO] building ylambda/bar-graph against try#0179c3cb935eb588d407cb784f436ae84d99db5c for pr-107620-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fylambda%2Fbar-graph" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ylambda/bar-graph on toolchain 0179c3cb935eb588d407cb784f436ae84d99db5c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0179c3cb935eb588d407cb784f436ae84d99db5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ylambda/bar-graph
[INFO] finished tweaking git repo https://github.com/ylambda/bar-graph
[INFO] tweaked toml for git repo https://github.com/ylambda/bar-graph written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ylambda/bar-graph 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" "+0179c3cb935eb588d407cb784f436ae84d99db5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+0179c3cb935eb588d407cb784f436ae84d99db5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e2ea311c52d4cd0d95bfe73af3fd78f85a810c082f46e72bdc71332ec837c7c
[INFO] running `Command { std: "docker" "start" "-a" "2e2ea311c52d4cd0d95bfe73af3fd78f85a810c082f46e72bdc71332ec837c7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e2ea311c52d4cd0d95bfe73af3fd78f85a810c082f46e72bdc71332ec837c7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e2ea311c52d4cd0d95bfe73af3fd78f85a810c082f46e72bdc71332ec837c7c", kill_on_drop: false }`
[INFO] [stdout] 2e2ea311c52d4cd0d95bfe73af3fd78f85a810c082f46e72bdc71332ec837c7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+0179c3cb935eb588d407cb784f436ae84d99db5c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38e845aadf6cbdc4db4c06f0492342b929249fef598ec9424f289c27fa216a81
[INFO] running `Command { std: "docker" "start" "-a" "38e845aadf6cbdc4db4c06f0492342b929249fef598ec9424f289c27fa216a81", kill_on_drop: false }`
[INFO] [stderr]    Compiling bar_graph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::prelude`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "38e845aadf6cbdc4db4c06f0492342b929249fef598ec9424f289c27fa216a81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38e845aadf6cbdc4db4c06f0492342b929249fef598ec9424f289c27fa216a81", kill_on_drop: false }`
[INFO] [stdout] 38e845aadf6cbdc4db4c06f0492342b929249fef598ec9424f289c27fa216a81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+0179c3cb935eb588d407cb784f436ae84d99db5c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c48d556dfd4ec5080b72c4b9e30549a57e1b6ae3deba8baac76a5b589f505298
[INFO] running `Command { std: "docker" "start" "-a" "c48d556dfd4ec5080b72c4b9e30549a57e1b6ae3deba8baac76a5b589f505298", kill_on_drop: false }`
[INFO] [stderr]    Compiling bar_graph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::prelude`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "c48d556dfd4ec5080b72c4b9e30549a57e1b6ae3deba8baac76a5b589f505298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c48d556dfd4ec5080b72c4b9e30549a57e1b6ae3deba8baac76a5b589f505298", kill_on_drop: false }`
[INFO] [stdout] c48d556dfd4ec5080b72c4b9e30549a57e1b6ae3deba8baac76a5b589f505298