[INFO] fetching crate bifrost-webrtc 0.1.0-alpha...
[INFO] testing bifrost-webrtc-0.1.0-alpha against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate bifrost-webrtc 0.1.0-alpha into /workspace/builds/worker-84/source
[INFO] validating manifest of crates.io crate bifrost-webrtc 0.1.0-alpha on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bifrost-webrtc 0.1.0-alpha
[INFO] finished tweaking crates.io crate bifrost-webrtc 0.1.0-alpha
[INFO] tweaked toml for crates.io crate bifrost-webrtc 0.1.0-alpha written to /workspace/builds/worker-84/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd8a71cdb566f3f529a6f6f269d334ea9664cc61781542f514f0d21813105ac8
[INFO] running `Command { std: "docker" "start" "-a" "dd8a71cdb566f3f529a6f6f269d334ea9664cc61781542f514f0d21813105ac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd8a71cdb566f3f529a6f6f269d334ea9664cc61781542f514f0d21813105ac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd8a71cdb566f3f529a6f6f269d334ea9664cc61781542f514f0d21813105ac8", kill_on_drop: false }`
[INFO] [stdout] dd8a71cdb566f3f529a6f6f269d334ea9664cc61781542f514f0d21813105ac8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d947252d0b530017a1199a536f715bfee9c4243943cb653a16189d9ed42d53ed
[INFO] running `Command { std: "docker" "start" "-a" "d947252d0b530017a1199a536f715bfee9c4243943cb653a16189d9ed42d53ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling bifrost-webrtc v0.1.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "d947252d0b530017a1199a536f715bfee9c4243943cb653a16189d9ed42d53ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d947252d0b530017a1199a536f715bfee9c4243943cb653a16189d9ed42d53ed", kill_on_drop: false }`
[INFO] [stdout] d947252d0b530017a1199a536f715bfee9c4243943cb653a16189d9ed42d53ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53316572dad87e6feba03f750458dd9f077976d926612049f8109aaf6d3c15ac
[INFO] running `Command { std: "docker" "start" "-a" "53316572dad87e6feba03f750458dd9f077976d926612049f8109aaf6d3c15ac", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bifrost-webrtc v0.1.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "53316572dad87e6feba03f750458dd9f077976d926612049f8109aaf6d3c15ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53316572dad87e6feba03f750458dd9f077976d926612049f8109aaf6d3c15ac", kill_on_drop: false }`
[INFO] [stdout] 53316572dad87e6feba03f750458dd9f077976d926612049f8109aaf6d3c15ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9b70ed3a24c82b1b993ea901205e9f96e09135904f14a0af05de31e2a55122d7
[INFO] running `Command { std: "docker" "start" "-a" "9b70ed3a24c82b1b993ea901205e9f96e09135904f14a0af05de31e2a55122d7", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bifrost_webrtc-0dd908e2b188d9af)
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]    Doc-tests bifrost-webrtc
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "9b70ed3a24c82b1b993ea901205e9f96e09135904f14a0af05de31e2a55122d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b70ed3a24c82b1b993ea901205e9f96e09135904f14a0af05de31e2a55122d7", kill_on_drop: false }`
[INFO] [stdout] 9b70ed3a24c82b1b993ea901205e9f96e09135904f14a0af05de31e2a55122d7