[INFO] fetching crate stackful 0.1.5...
[INFO] checking stackful-0.1.5 against 1.95.0 for pr-155915
[INFO] extracting crate stackful 0.1.5 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate stackful 0.1.5
[INFO] finished tweaking crates.io crate stackful 0.1.5
[INFO] tweaked toml for crates.io crate stackful 0.1.5 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stackful 0.1.5 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate stackful 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded value-bag v1.0.0-alpha.9
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.8
[INFO] [stderr]   Downloaded ctor v0.1.22
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.30
[INFO] [stderr]   Downloaded gloo-timers v0.2.4
[INFO] [stderr]   Downloaded async-lock v2.5.0
[INFO] [stderr]   Downloaded async-global-executor v2.0.4
[INFO] [stderr]   Downloaded blocking v1.2.0
[INFO] [stderr]   Downloaded async-task v4.2.0
[INFO] [stderr]   Downloaded async-process v1.4.0
[INFO] [stderr]   Downloaded quote v1.0.16
[INFO] [stderr]   Downloaded event-listener v2.5.2
[INFO] [stderr]   Downloaded async-std v1.11.0
[INFO] [stderr]   Downloaded syn v1.0.89
[INFO] [stderr]   Downloaded libc v0.2.125
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 646c6dd423b71965f4cbd91f4e6fb19a73533769af7a4eb855652addd8500201
[INFO] running `Command { std: "docker" "start" "-a" "646c6dd423b71965f4cbd91f4e6fb19a73533769af7a4eb855652addd8500201", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "646c6dd423b71965f4cbd91f4e6fb19a73533769af7a4eb855652addd8500201", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "646c6dd423b71965f4cbd91f4e6fb19a73533769af7a4eb855652addd8500201", kill_on_drop: false }`
[INFO] [stdout] 646c6dd423b71965f4cbd91f4e6fb19a73533769af7a4eb855652addd8500201
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2eb77898949cc0d6b16c5a4343b488660f6101a3f7e0ab73d94d97ee73d718c9
[INFO] running `Command { std: "docker" "start" "-a" "2eb77898949cc0d6b16c5a4343b488660f6101a3f7e0ab73d94d97ee73d718c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking event-listener v2.5.2
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking async-task v4.2.0
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking futures-channel v0.3.21
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking async-lock v2.5.0
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling stackful v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking blocking v1.2.0
[INFO] [stderr]    Compiling ctor v0.1.22
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]     Checking futures-util v0.3.21
[INFO] [stderr]     Checking polling v2.2.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking async-io v1.6.0
[INFO] [stderr]     Checking async-global-executor v2.0.4
[INFO] [stderr]     Checking async-process v1.4.0
[INFO] [stderr]     Checking async-std v1.11.0
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stdout] warning: unexpected `cfg` condition value: `stacker`
[INFO] [stdout]   --> src/generator.rs:29:11
[INFO] [stdout]    |
[INFO] [stdout] 29 |     #[cfg(feature = "stacker")]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `future`, `futures-executor`, and `nightly`
[INFO] [stdout]    = help: consider adding `stacker` as a feature in `Cargo.toml`
[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 value: `stacker`
[INFO] [stdout]   --> src/generator.rs:53:19
[INFO] [stdout]    |
[INFO] [stdout] 53 |             #[cfg(feature = "stacker")]
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `future`, `futures-executor`, and `nightly`
[INFO] [stdout]    = help: consider adding `stacker` as a feature in `Cargo.toml`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `stacker`
[INFO] [stdout]    --> src/generator.rs:114:15
[INFO] [stdout]     |
[INFO] [stdout] 114 |         #[cfg(feature = "stacker")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `future`, `futures-executor`, and `nightly`
[INFO] [stdout]     = help: consider adding `stacker` as a feature in `Cargo.toml`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `stacker`
[INFO] [stdout]    --> src/generator.rs:140:15
[INFO] [stdout]     |
[INFO] [stdout] 140 |         #[cfg(feature = "stacker")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `future`, `futures-executor`, and `nightly`
[INFO] [stdout]     = help: consider adding `stacker` as a feature in `Cargo.toml`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `stacker`
[INFO] [stdout]    --> src/generator.rs:122:23
[INFO] [stdout]     |
[INFO] [stdout] 122 |                 #[cfg(feature = "stacker")]
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `future`, `futures-executor`, and `nightly`
[INFO] [stdout]     = help: consider adding `stacker` as a feature in `Cargo.toml`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `stacker`
[INFO] [stdout]    --> src/generator.rs:133:23
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 #[cfg(feature = "stacker")]
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `future`, `futures-executor`, and `nightly`
[INFO] [stdout]     = help: consider adding `stacker` as a feature in `Cargo.toml`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `stacker`
[INFO] [stdout]   --> src/generator.rs:29:11
[INFO] [stdout]    |
[INFO] [stdout] 29 |     #[cfg(feature = "stacker")]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `future`, `futures-executor`, and `nightly`
[INFO] [stdout]    = help: consider adding `stacker` as a feature in `Cargo.toml`
[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 value: `stacker`
[INFO] [stdout]   --> src/generator.rs:53:19
[INFO] [stdout]    |
[INFO] [stdout] 53 |             #[cfg(feature = "stacker")]
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `future`, `futures-executor`, and `nightly`
[INFO] [stdout]    = help: consider adding `stacker` as a feature in `Cargo.toml`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `stacker`
[INFO] [stdout]    --> src/generator.rs:114:15
[INFO] [stdout]     |
[INFO] [stdout] 114 |         #[cfg(feature = "stacker")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `future`, `futures-executor`, and `nightly`
[INFO] [stdout]     = help: consider adding `stacker` as a feature in `Cargo.toml`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `stacker`
[INFO] [stdout]    --> src/generator.rs:140:15
[INFO] [stdout]     |
[INFO] [stdout] 140 |         #[cfg(feature = "stacker")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `future`, `futures-executor`, and `nightly`
[INFO] [stdout]     = help: consider adding `stacker` as a feature in `Cargo.toml`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `stacker`
[INFO] [stdout]    --> src/generator.rs:122:23
[INFO] [stdout]     |
[INFO] [stdout] 122 |                 #[cfg(feature = "stacker")]
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `future`, `futures-executor`, and `nightly`
[INFO] [stdout]     = help: consider adding `stacker` as a feature in `Cargo.toml`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `stacker`
[INFO] [stdout]    --> src/generator.rs:133:23
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 #[cfg(feature = "stacker")]
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `future`, `futures-executor`, and `nightly`
[INFO] [stdout]     = help: consider adding `stacker` as a feature in `Cargo.toml`
[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] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.53s
[INFO] running `Command { std: "docker" "inspect" "2eb77898949cc0d6b16c5a4343b488660f6101a3f7e0ab73d94d97ee73d718c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eb77898949cc0d6b16c5a4343b488660f6101a3f7e0ab73d94d97ee73d718c9", kill_on_drop: false }`
[INFO] [stdout] 2eb77898949cc0d6b16c5a4343b488660f6101a3f7e0ab73d94d97ee73d718c9
