[INFO] fetching crate sconcat 0.2.1...
[INFO] testing sconcat-0.2.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate sconcat 0.2.1 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate sconcat 0.2.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sconcat 0.2.1
[INFO] finished tweaking crates.io crate sconcat 0.2.1
[INFO] tweaked toml for crates.io crate sconcat 0.2.1 written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a38244faeed48b40ded0847f7fe662753e26b638a8f087f0464cde22aa2fd98
[INFO] running `Command { std: "docker" "start" "-a" "6a38244faeed48b40ded0847f7fe662753e26b638a8f087f0464cde22aa2fd98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a38244faeed48b40ded0847f7fe662753e26b638a8f087f0464cde22aa2fd98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a38244faeed48b40ded0847f7fe662753e26b638a8f087f0464cde22aa2fd98", kill_on_drop: false }`
[INFO] [stdout] 6a38244faeed48b40ded0847f7fe662753e26b638a8f087f0464cde22aa2fd98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d236ee5294db876c3098d9796f101a1461e2ef531707b3033d3004c7d6bd3d00
[INFO] running `Command { std: "docker" "start" "-a" "d236ee5294db876c3098d9796f101a1461e2ef531707b3033d3004c7d6bd3d00", kill_on_drop: false }`
[INFO] [stderr]    Compiling sconcat v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "d236ee5294db876c3098d9796f101a1461e2ef531707b3033d3004c7d6bd3d00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d236ee5294db876c3098d9796f101a1461e2ef531707b3033d3004c7d6bd3d00", kill_on_drop: false }`
[INFO] [stdout] d236ee5294db876c3098d9796f101a1461e2ef531707b3033d3004c7d6bd3d00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07e94f7b970c5db6153abfb912571d99ab6276e88fd3235a9e9164870aa35bba
[INFO] running `Command { std: "docker" "start" "-a" "07e94f7b970c5db6153abfb912571d99ab6276e88fd3235a9e9164870aa35bba", kill_on_drop: false }`
[INFO] [stderr]    Compiling sconcat v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "07e94f7b970c5db6153abfb912571d99ab6276e88fd3235a9e9164870aa35bba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07e94f7b970c5db6153abfb912571d99ab6276e88fd3235a9e9164870aa35bba", kill_on_drop: false }`
[INFO] [stdout] 07e94f7b970c5db6153abfb912571d99ab6276e88fd3235a9e9164870aa35bba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] da8c745b9a08ec9c538a12b7d9b5f8bab0b729996618243df857a5f08286cc10
[INFO] running `Command { std: "docker" "start" "-a" "da8c745b9a08ec9c538a12b7d9b5f8bab0b729996618243df857a5f08286cc10", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sconcat-cfd973e757644ee8)
[INFO] [stdout] running 3 tests
[INFO] [stdout] test cat::tests::it_works ... ok
[INFO] [stdout] test tests::readme_example_works ... ok
[INFO] [stderr]    Doc-tests sconcat
[INFO] [stdout] test cat::tests::formatting ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - (line 46) ... ok
[INFO] [stdout] test src/lib.rs - (line 59) ... ok
[INFO] [stdout] test src/lib.rs - (line 30) ... ok
[INFO] [stdout] test src/lib.rs - (line 77) ... ok
[INFO] [stdout] test src/cat.rs - cat::Cat (line 264) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "da8c745b9a08ec9c538a12b7d9b5f8bab0b729996618243df857a5f08286cc10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da8c745b9a08ec9c538a12b7d9b5f8bab0b729996618243df857a5f08286cc10", kill_on_drop: false }`
[INFO] [stdout] da8c745b9a08ec9c538a12b7d9b5f8bab0b729996618243df857a5f08286cc10