[INFO] cloning repository https://github.com/sagebind/stability
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sagebind/stability" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsagebind%2Fstability", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsagebind%2Fstability'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b3e510ff7047e06a4342509c24f0b50d9a4b81a3
[INFO] testing sagebind/stability against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsagebind%2Fstability" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sagebind/stability 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 git repo https://github.com/sagebind/stability
[INFO] finished tweaking git repo https://github.com/sagebind/stability
[INFO] tweaked toml for git repo https://github.com/sagebind/stability written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/sagebind/stability already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 385f4073adcb237c0daf9c5463e4fad4c241b516fc53c3ea119d09c45d646719
[INFO] running `Command { std: "docker" "start" "-a" "385f4073adcb237c0daf9c5463e4fad4c241b516fc53c3ea119d09c45d646719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "385f4073adcb237c0daf9c5463e4fad4c241b516fc53c3ea119d09c45d646719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "385f4073adcb237c0daf9c5463e4fad4c241b516fc53c3ea119d09c45d646719", kill_on_drop: false }`
[INFO] [stdout] 385f4073adcb237c0daf9c5463e4fad4c241b516fc53c3ea119d09c45d646719
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] b76604a4fa9f794c2e16c0daf1619e1d8d45d1af88c419951240864bb9b718af
[INFO] running `Command { std: "docker" "start" "-a" "b76604a4fa9f794c2e16c0daf1619e1d8d45d1af88c419951240864bb9b718af", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling stability v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.44s
[INFO] running `Command { std: "docker" "inspect" "b76604a4fa9f794c2e16c0daf1619e1d8d45d1af88c419951240864bb9b718af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b76604a4fa9f794c2e16c0daf1619e1d8d45d1af88c419951240864bb9b718af", kill_on_drop: false }`
[INFO] [stdout] b76604a4fa9f794c2e16c0daf1619e1d8d45d1af88c419951240864bb9b718af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] d845af263d2e3ff3be79cc208b76d2752ec7a3aa1b30b98ed2c0c86e6f8ddd5f
[INFO] running `Command { std: "docker" "start" "-a" "d845af263d2e3ff3be79cc208b76d2752ec7a3aa1b30b98ed2c0c86e6f8ddd5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling stability v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "d845af263d2e3ff3be79cc208b76d2752ec7a3aa1b30b98ed2c0c86e6f8ddd5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d845af263d2e3ff3be79cc208b76d2752ec7a3aa1b30b98ed2c0c86e6f8ddd5f", kill_on_drop: false }`
[INFO] [stdout] d845af263d2e3ff3be79cc208b76d2752ec7a3aa1b30b98ed2c0c86e6f8ddd5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 55d229ed5366c87f15bca94e7d741d7da3b7784fda0ae5fc3054bc9ae14049ca
[INFO] running `Command { std: "docker" "start" "-a" "55d229ed5366c87f15bca94e7d741d7da3b7784fda0ae5fc3054bc9ae14049ca", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stability-de090455bdaed984)
[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 stability
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - unstable (line 77) ... ok
[INFO] [stdout] test src/lib.rs - unstable (line 65) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.42s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "55d229ed5366c87f15bca94e7d741d7da3b7784fda0ae5fc3054bc9ae14049ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55d229ed5366c87f15bca94e7d741d7da3b7784fda0ae5fc3054bc9ae14049ca", kill_on_drop: false }`
[INFO] [stdout] 55d229ed5366c87f15bca94e7d741d7da3b7784fda0ae5fc3054bc9ae14049ca