[INFO] fetching crate rsgraph 0.1.1...
[INFO] testing rsgraph-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rsgraph 0.1.1 into /workspace/builds/worker-48/source
[INFO] validating manifest of crates.io crate rsgraph 0.1.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rsgraph 0.1.1
[INFO] finished tweaking crates.io crate rsgraph 0.1.1
[INFO] tweaked toml for crates.io crate rsgraph 0.1.1 written to /workspace/builds/worker-48/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c28b098878f2b6edb5e9e4bca3741c4f91f8367ad7acecdefb90f2b6a9a4af35
[INFO] running `Command { std: "docker" "start" "-a" "c28b098878f2b6edb5e9e4bca3741c4f91f8367ad7acecdefb90f2b6a9a4af35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c28b098878f2b6edb5e9e4bca3741c4f91f8367ad7acecdefb90f2b6a9a4af35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c28b098878f2b6edb5e9e4bca3741c4f91f8367ad7acecdefb90f2b6a9a4af35", kill_on_drop: false }`
[INFO] [stdout] c28b098878f2b6edb5e9e4bca3741c4f91f8367ad7acecdefb90f2b6a9a4af35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46aa48f3205a06f17e3951339e00730acef9d443328306208aa4ec10adbf3a62
[INFO] running `Command { std: "docker" "start" "-a" "46aa48f3205a06f17e3951339e00730acef9d443328306208aa4ec10adbf3a62", kill_on_drop: false }`
[INFO] [stderr]    Compiling rsgraph v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "46aa48f3205a06f17e3951339e00730acef9d443328306208aa4ec10adbf3a62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46aa48f3205a06f17e3951339e00730acef9d443328306208aa4ec10adbf3a62", kill_on_drop: false }`
[INFO] [stdout] 46aa48f3205a06f17e3951339e00730acef9d443328306208aa4ec10adbf3a62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c032fb008128587159e2fbb9de9f85703e015e4524a27e366b6825c68cc6f53b
[INFO] running `Command { std: "docker" "start" "-a" "c032fb008128587159e2fbb9de9f85703e015e4524a27e366b6825c68cc6f53b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rsgraph v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rsgraph`
[INFO] [stdout]  --> examples/api_doc.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rsgraph;
[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 0.43s
[INFO] running `Command { std: "docker" "inspect" "c032fb008128587159e2fbb9de9f85703e015e4524a27e366b6825c68cc6f53b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c032fb008128587159e2fbb9de9f85703e015e4524a27e366b6825c68cc6f53b", kill_on_drop: false }`
[INFO] [stdout] c032fb008128587159e2fbb9de9f85703e015e4524a27e366b6825c68cc6f53b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 074faae25a3209c9ca4843520ddf447e114dc9d48bc8ddcef8988d43d4acff55
[INFO] running `Command { std: "docker" "start" "-a" "074faae25a3209c9ca4843520ddf447e114dc9d48bc8ddcef8988d43d4acff55", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `rsgraph`
[INFO] [stderr]  --> examples/api_doc.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rsgraph;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rsgraph` (example "api_doc") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rsgraph-3fcc8e98711a72bd)
[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] [stderr]    Doc-tests rsgraph
[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" "074faae25a3209c9ca4843520ddf447e114dc9d48bc8ddcef8988d43d4acff55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "074faae25a3209c9ca4843520ddf447e114dc9d48bc8ddcef8988d43d4acff55", kill_on_drop: false }`
[INFO] [stdout] 074faae25a3209c9ca4843520ddf447e114dc9d48bc8ddcef8988d43d4acff55