[INFO] crate reducer 2.0.0-alpha.2 is already in cache
[INFO] checking reducer-2.0.0-alpha.2 against master#4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb for pr-64672
[INFO] extracting crate reducer 2.0.0-alpha.2 into work/builds/worker-2/source
[INFO] validating manifest of crates.io crate reducer 2.0.0-alpha.2 on toolchain 4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate reducer 2.0.0-alpha.2
[INFO] removed 2 missing examples
[INFO] finished tweaking crates.io crate reducer 2.0.0-alpha.2
[INFO] tweaked toml for crates.io crate reducer 2.0.0-alpha.2 written to work/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate reducer 2.0.0-alpha.2 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e76cb27a54f6cbbd464d30ab05e134019beacff624324c2b3641f72ebda92305
[INFO] running `"docker" "start" "-a" "e76cb27a54f6cbbd464d30ab05e134019beacff624324c2b3641f72ebda92305"`
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking instant v0.1.1
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[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling num-complex v0.2.3
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[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling ui-sys v0.1.3
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[INFO] [stderr]     Checking memchr v2.2.0
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[INFO] [stderr]     Checking nix v0.14.1
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[INFO] [stderr]    Compiling xml-rs v0.7.0
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[INFO] [stderr]     Checking x11-dl v2.18.3
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.17
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[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking rayon-core v1.5.0
[INFO] [stderr]     Checking rusttype v0.7.7
[INFO] [stderr]    Compiling glutin v0.19.0
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
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[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling synstructure v0.10.2
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[INFO] [stderr]     Checking wayland-commons v0.21.13
[INFO] [stderr]     Checking parking_lot v0.7.1
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[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]    Compiling derivative v1.0.2
[INFO] [stderr]    Compiling conrod_derive v0.65.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
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[INFO] [stderr]    Compiling proptest-derive v0.1.2
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.6
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking reducer v2.0.0-alpha.2 (/opt/rustwide/workdir)
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[INFO] [stderr] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> benches/async.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(async_await)]
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 56s
[INFO] running `"docker" "inspect" "e76cb27a54f6cbbd464d30ab05e134019beacff624324c2b3641f72ebda92305"`
[INFO] running `"docker" "rm" "-f" "e76cb27a54f6cbbd464d30ab05e134019beacff624324c2b3641f72ebda92305"`
[INFO] [stdout] e76cb27a54f6cbbd464d30ab05e134019beacff624324c2b3641f72ebda92305