[INFO] fetching crate fibril 0.0.8...
[INFO] testing fibril-0.0.8 against 1.90.0 for beta-1.91-3
[INFO] extracting crate fibril 0.0.8 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate fibril 0.0.8
[INFO] finished tweaking crates.io crate fibril 0.0.8
[INFO] tweaked toml for crates.io crate fibril 0.0.8 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fibril 0.0.8 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 65 packages to latest compatible versions
[INFO] [stderr]       Adding corosensei v0.1.4 (available: v0.3.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded corosensei v0.1.4
[INFO] [stderr]   Downloaded fibril_core v0.0.7
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.33.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.33.0
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.33.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.33.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.33.0
[INFO] [stderr]   Downloaded windows-sys v0.33.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8cb3219a278f62491d5cb83962398097cbcacd7fdc9b2b25a964cf859beee30a
[INFO] running `Command { std: "docker" "start" "-a" "8cb3219a278f62491d5cb83962398097cbcacd7fdc9b2b25a964cf859beee30a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cb3219a278f62491d5cb83962398097cbcacd7fdc9b2b25a964cf859beee30a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cb3219a278f62491d5cb83962398097cbcacd7fdc9b2b25a964cf859beee30a", kill_on_drop: false }`
[INFO] [stdout] 8cb3219a278f62491d5cb83962398097cbcacd7fdc9b2b25a964cf859beee30a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b3c53743ce0507e5ba65723c99ff01c85cd16ac173a78921e9e2656d9c8d7e1
[INFO] running `Command { std: "docker" "start" "-a" "6b3c53743ce0507e5ba65723c99ff01c85cd16ac173a78921e9e2656d9c8d7e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling fibril_core v0.0.7
[INFO] [stderr]    Compiling fibril v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `CHANNEL_NIGHTLY`
[INFO] [stdout]   --> src/lib.rs:14:22
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![cfg_attr(all(doc, CHANNEL_NIGHTLY), feature(doc_auto_cfg))]
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(CHANNEL_NIGHTLY)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(CHANNEL_NIGHTLY)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "6b3c53743ce0507e5ba65723c99ff01c85cd16ac173a78921e9e2656d9c8d7e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b3c53743ce0507e5ba65723c99ff01c85cd16ac173a78921e9e2656d9c8d7e1", kill_on_drop: false }`
[INFO] [stdout] 6b3c53743ce0507e5ba65723c99ff01c85cd16ac173a78921e9e2656d9c8d7e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db721949a335e59e364b033959c3595c71cae5ffc95600f79e0357d8e93bf79b
[INFO] running `Command { std: "docker" "start" "-a" "db721949a335e59e364b033959c3595c71cae5ffc95600f79e0357d8e93bf79b", kill_on_drop: false }`
[INFO] [stderr]    Compiling fibril v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `CHANNEL_NIGHTLY`
[INFO] [stdout]   --> src/lib.rs:14:22
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![cfg_attr(all(doc, CHANNEL_NIGHTLY), feature(doc_auto_cfg))]
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(CHANNEL_NIGHTLY)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(CHANNEL_NIGHTLY)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `CHANNEL_NIGHTLY`
[INFO] [stdout]   --> src/lib.rs:14:22
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![cfg_attr(all(doc, CHANNEL_NIGHTLY), feature(doc_auto_cfg))]
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(CHANNEL_NIGHTLY)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(CHANNEL_NIGHTLY)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "db721949a335e59e364b033959c3595c71cae5ffc95600f79e0357d8e93bf79b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db721949a335e59e364b033959c3595c71cae5ffc95600f79e0357d8e93bf79b", kill_on_drop: false }`
[INFO] [stdout] db721949a335e59e364b033959c3595c71cae5ffc95600f79e0357d8e93bf79b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1c339c40de3c2aac853c9c13a64f4aa92291d867a6635920fe553003d8fcc3d0
[INFO] running `Command { std: "docker" "start" "-a" "1c339c40de3c2aac853c9c13a64f4aa92291d867a6635920fe553003d8fcc3d0", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition name: `CHANNEL_NIGHTLY`
[INFO] [stderr]   --> src/lib.rs:14:22
[INFO] [stderr]    |
[INFO] [stderr] 14 | #![cfg_attr(all(doc, CHANNEL_NIGHTLY), feature(doc_auto_cfg))]
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(CHANNEL_NIGHTLY)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(CHANNEL_NIGHTLY)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `fibril` (lib) generated 1 warning
[INFO] [stderr] warning: `fibril` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fibril-80e6d1b6d449b64b)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fibril
[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] [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" "1c339c40de3c2aac853c9c13a64f4aa92291d867a6635920fe553003d8fcc3d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c339c40de3c2aac853c9c13a64f4aa92291d867a6635920fe553003d8fcc3d0", kill_on_drop: false }`
[INFO] [stdout] 1c339c40de3c2aac853c9c13a64f4aa92291d867a6635920fe553003d8fcc3d0