[INFO] fetching crate rtc 0.0.1...
[INFO] testing rtc-0.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rtc 0.0.1 into /workspace/builds/worker-52/source
[INFO] validating manifest of crates.io crate rtc 0.0.1 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 rtc 0.0.1
[INFO] finished tweaking crates.io crate rtc 0.0.1
[INFO] tweaked toml for crates.io crate rtc 0.0.1 written to /workspace/builds/worker-52/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] d749dcab6cf3ef04e09376002ef7289a756d3f7fd99fa9c23774d838ebdbeddc
[INFO] running `Command { std: "docker" "start" "-a" "d749dcab6cf3ef04e09376002ef7289a756d3f7fd99fa9c23774d838ebdbeddc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d749dcab6cf3ef04e09376002ef7289a756d3f7fd99fa9c23774d838ebdbeddc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d749dcab6cf3ef04e09376002ef7289a756d3f7fd99fa9c23774d838ebdbeddc", kill_on_drop: false }`
[INFO] [stdout] d749dcab6cf3ef04e09376002ef7289a756d3f7fd99fa9c23774d838ebdbeddc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 2261b3163cf4edbd23ec3a3d98e8bb398382ecaa2199a1bb52edffec51231981
[INFO] running `Command { std: "docker" "start" "-a" "2261b3163cf4edbd23ec3a3d98e8bb398382ecaa2199a1bb52edffec51231981", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rtc v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "2261b3163cf4edbd23ec3a3d98e8bb398382ecaa2199a1bb52edffec51231981", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2261b3163cf4edbd23ec3a3d98e8bb398382ecaa2199a1bb52edffec51231981", kill_on_drop: false }`
[INFO] [stdout] 2261b3163cf4edbd23ec3a3d98e8bb398382ecaa2199a1bb52edffec51231981
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 67f7b6ea8483c40190f1310bb8a113792cb0a6d314b950a61f2ffdb0c265002f
[INFO] running `Command { std: "docker" "start" "-a" "67f7b6ea8483c40190f1310bb8a113792cb0a6d314b950a61f2ffdb0c265002f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rtc v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "67f7b6ea8483c40190f1310bb8a113792cb0a6d314b950a61f2ffdb0c265002f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67f7b6ea8483c40190f1310bb8a113792cb0a6d314b950a61f2ffdb0c265002f", kill_on_drop: false }`
[INFO] [stdout] 67f7b6ea8483c40190f1310bb8a113792cb0a6d314b950a61f2ffdb0c265002f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 07eb1b92aaf858a85940b8e64005fa15c91bfc3ecd77709d6cb785b8bedf6004
[INFO] running `Command { std: "docker" "start" "-a" "07eb1b92aaf858a85940b8e64005fa15c91bfc3ecd77709d6cb785b8bedf6004", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rtc-b2347ac306a0f0fd)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rtc
[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" "07eb1b92aaf858a85940b8e64005fa15c91bfc3ecd77709d6cb785b8bedf6004", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07eb1b92aaf858a85940b8e64005fa15c91bfc3ecd77709d6cb785b8bedf6004", kill_on_drop: false }`
[INFO] [stdout] 07eb1b92aaf858a85940b8e64005fa15c91bfc3ecd77709d6cb785b8bedf6004