[INFO] fetching crate gnu-echo-rs 0.1.0...
[INFO] testing gnu-echo-rs-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate gnu-echo-rs 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate gnu-echo-rs 0.1.0
[INFO] finished tweaking crates.io crate gnu-echo-rs 0.1.0
[INFO] tweaked toml for crates.io crate gnu-echo-rs 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate gnu-echo-rs 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate gnu-echo-rs 0.1.0 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ascii_converter v0.3.0
[INFO] [stderr]   Downloaded aho-corasick v1.0.2
[INFO] [stderr]   Downloaded regex v1.8.4
[INFO] [stderr]   Downloaded regex-syntax v0.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9688a35cf3d7c9b3a0c82abdff1fe841068e9c71eb1fb1ef5af4f6909efcd7a
[INFO] running `Command { std: "docker" "start" "-a" "e9688a35cf3d7c9b3a0c82abdff1fe841068e9c71eb1fb1ef5af4f6909efcd7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9688a35cf3d7c9b3a0c82abdff1fe841068e9c71eb1fb1ef5af4f6909efcd7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9688a35cf3d7c9b3a0c82abdff1fe841068e9c71eb1fb1ef5af4f6909efcd7a", kill_on_drop: false }`
[INFO] [stdout] e9688a35cf3d7c9b3a0c82abdff1fe841068e9c71eb1fb1ef5af4f6909efcd7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f4ea91d8001cd32a64a47a770a2384e1a8a41e401e7c392b843038aacc29748
[INFO] running `Command { std: "docker" "start" "-a" "9f4ea91d8001cd32a64a47a770a2384e1a8a41e401e7c392b843038aacc29748", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling regex-syntax v0.7.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ascii_converter v0.3.0
[INFO] [stderr]    Compiling aho-corasick v1.0.2
[INFO] [stderr]    Compiling regex v1.8.4
[INFO] [stderr]    Compiling gnu-echo-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.57s
[INFO] running `Command { std: "docker" "inspect" "9f4ea91d8001cd32a64a47a770a2384e1a8a41e401e7c392b843038aacc29748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f4ea91d8001cd32a64a47a770a2384e1a8a41e401e7c392b843038aacc29748", kill_on_drop: false }`
[INFO] [stdout] 9f4ea91d8001cd32a64a47a770a2384e1a8a41e401e7c392b843038aacc29748
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2ab845eada70bb651870edf05e68f81bcf2f4ce9903b8f26eb6172648e2287d
[INFO] running `Command { std: "docker" "start" "-a" "b2ab845eada70bb651870edf05e68f81bcf2f4ce9903b8f26eb6172648e2287d", kill_on_drop: false }`
[INFO] [stderr]    Compiling gnu-echo-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "b2ab845eada70bb651870edf05e68f81bcf2f4ce9903b8f26eb6172648e2287d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2ab845eada70bb651870edf05e68f81bcf2f4ce9903b8f26eb6172648e2287d", kill_on_drop: false }`
[INFO] [stdout] b2ab845eada70bb651870edf05e68f81bcf2f4ce9903b8f26eb6172648e2287d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fcd7c393d87c2f8be08b1f1ae1f2c6a93195e2fe07c33d15d698e29ba70a15a3
[INFO] running `Command { std: "docker" "start" "-a" "fcd7c393d87c2f8be08b1f1ae1f2c6a93195e2fe07c33d15d698e29ba70a15a3", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/gnu_echo_rs-f02ebd24b44e2f45)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fcd7c393d87c2f8be08b1f1ae1f2c6a93195e2fe07c33d15d698e29ba70a15a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcd7c393d87c2f8be08b1f1ae1f2c6a93195e2fe07c33d15d698e29ba70a15a3", kill_on_drop: false }`
[INFO] [stdout] fcd7c393d87c2f8be08b1f1ae1f2c6a93195e2fe07c33d15d698e29ba70a15a3